PDB Short entry for 4QOZ
HEADER    RNA/HYDROLASE/RNA BINDING PROTEIN       21-JUN-14   4QOZ              
TITLE     CRYSTAL STRUCTURE OF THE HISTONE MRNA STEM-LOOP, STEM-LOOP BINDING    
TITLE    2 PROTEIN (PHOSPHORYLATED), AND 3'HEXO TERNARY COMPLEX                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HISTONE MRNA STEM-LOOP;                                    
COMPND   3 CHAIN: A, D;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 3'-5' EXORIBONUCLEASE 1;                                   
COMPND   7 CHAIN: B, E;                                                         
COMPND   8 FRAGMENT: SAP DOMAIN AND NUCLEASE DOMAIN (UNP RESIDUES 55-349);      
COMPND   9 SYNONYM: 3'-5' EXONUCLEASE ERI1, ERI-1 HOMOLOG, HISTONE MRNA 3'-END- 
COMPND  10 SPECIFIC EXORIBONUCLEASE, HISTONE MRNA 3'-EXONUCLEASE 1, PROTEIN     
COMPND  11 3'HEXO, HEXO;                                                        
COMPND  12 EC: 3.1.-.-;                                                         
COMPND  13 ENGINEERED: YES;                                                     
COMPND  14 MOL_ID: 3;                                                           
COMPND  15 MOLECULE: HISTONE RNA HAIRPIN-BINDING PROTEIN;                       
COMPND  16 CHAIN: C;                                                            
COMPND  17 FRAGMENT: RNA-BINDING DOMAIN (UNP RESIDUES 125-223);                 
COMPND  18 SYNONYM: HISTONE STEM-LOOP-BINDING PROTEIN;                          
COMPND  19 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   5 ORGANISM_COMMON: HUMAN;                                              
SOURCE   6 ORGANISM_TAXID: 9606;                                                
SOURCE   7 GENE: ERI1, 3'EXO, THEX1;                                            
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  10 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) STAR;                            
SOURCE  11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  12 EXPRESSION_SYSTEM_PLASMID: PET24D;                                   
SOURCE  13 MOL_ID: 3;                                                           
SOURCE  14 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  15 ORGANISM_COMMON: HUMAN;                                              
SOURCE  16 ORGANISM_TAXID: 9606;                                                
SOURCE  17 GENE: SLBP, HBP;                                                     
SOURCE  18 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE  19 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE  20 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE  21 EXPRESSION_SYSTEM_STRAIN: SF9                                        
KEYWDS    HISTONE MRNA 3'-END PROCESSING, HISTONE MRNA TRANSLATION, MICRORNA    
KEYWDS   2 HOMEOSTASIS, 5.8S RRNA 3'-END MATURATION, ZFP100, LSM11,             
KEYWDS   3 PHOSPHORYLATION, NUCLEUS, RNA-HYDROLASE-RNA BINDING PROTEIN COMPLEX  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.TAN,L.TONG                                                          
REVDAT   2   06-AUG-14 4QOZ    1       JRNL                                     
REVDAT   1   23-JUL-14 4QOZ    0                                                
JRNL        AUTH   J.ZHANG,D.TAN,E.F.DEROSE,L.PERERA,Z.DOMINSKI,W.F.MARZLUFF,   
JRNL        AUTH 2 L.TONG,T.M.HALL                                              
JRNL        TITL   MOLECULAR MECHANISMS FOR THE REGULATION OF HISTONE MRNA      
JRNL        TITL 2 STEM-LOOP-BINDING PROTEIN BY PHOSPHORYLATION.                
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 111 E2937 2014              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   25002523                                                     
JRNL        DOI    10.1073/PNAS.1406381111                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8.2_1309)                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-                     
REMARK   3               : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO,              
REMARK   3               : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL            
REMARK   3               : MORIARTY,REETAL PAI,RANDY READ,JANE                  
REMARK   3               : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM             
REMARK   3               : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH,             
REMARK   3               : LAURENT STORONI,TOM TERWILLIGER,PETER                
REMARK   3               : ZWART                                                
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.17                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.330                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 40611                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.196                           
REMARK   3   R VALUE            (WORKING SET) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.245                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.920                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1997                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 38.1742 -  4.9597    0.90     3909   202  0.1763 0.2025        
REMARK   3     2  4.9597 -  3.9380    0.94     3934   204  0.1471 0.2071        
REMARK   3     3  3.9380 -  3.4406    0.94     3928   204  0.1691 0.2223        
REMARK   3     4  3.4406 -  3.1261    0.95     3926   203  0.1872 0.2463        
REMARK   3     5  3.1261 -  2.9022    0.95     3940   204  0.2162 0.2839        
REMARK   3     6  2.9022 -  2.7311    0.96     3927   202  0.2219 0.2724        
REMARK   3     7  2.7311 -  2.5944    0.96     3943   204  0.2529 0.3059        
REMARK   3     8  2.5944 -  2.4815    0.96     3909   201  0.2480 0.3118        
REMARK   3     9  2.4815 -  2.3859    0.92     3766   195  0.2582 0.3150        
REMARK   3    10  2.3859 -  2.3040    0.84     3432   178  0.2705 0.3286        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.310            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 26.720           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.008           6337                                  
REMARK   3   ANGLE     :  1.120           8742                                  
REMARK   3   CHIRALITY :  0.044            989                                  
REMARK   3   PLANARITY :  0.006            950                                  
REMARK   3   DIHEDRAL  : 14.322           2588                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : 1                                           
REMARK   3   NCS GROUP : 1                                                      
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4QOZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-JUL-14.                  
REMARK 100 THE RCSB ID CODE IS RCSB086330.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-JUN-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.075                              
REMARK 200  MONOCHROMATOR                  : ROSENBAUM-ROCK DOUBLE CRYSTAL      
REMARK 200                                   SAGITTAL FOCUSING SI(111)          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 40611                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.304                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 38.169                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.2                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : 0.09200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 84.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.48000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: COMO                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.47                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 8% W/V TACSIMATE, PH 6.0, 18% W/V        
REMARK 280  PEG3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       41.05350            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       64.36100            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       45.75250            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       64.36100            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       41.05350            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       45.75250            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4370 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 20990 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, A, C                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 2500 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16360 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     THR B    55                                                      
REMARK 465     SER B    56                                                      
REMARK 465     SER B    57                                                      
REMARK 465     ALA B    58                                                      
REMARK 465     SER B    59                                                      
REMARK 465     ASP B    60                                                      
REMARK 465     LEU B   117                                                      
REMARK 465     LYS B   118                                                      
REMARK 465     GLU B   119                                                      
REMARK 465     SER B   120                                                      
REMARK 465     ASN B   121                                                      
REMARK 465     PHE B   122                                                      
REMARK 465     ALA B   123                                                      
REMARK 465     ASP B   124                                                      
REMARK 465     PRO B   271                                                      
REMARK 465     ARG B   272                                                      
REMARK 465     SER B   273                                                      
REMARK 465     LYS B   349                                                      
REMARK 465     LEU B   350                                                      
REMARK 465     GLU B   351                                                      
REMARK 465     HIS B   352                                                      
REMARK 465     HIS B   353                                                      
REMARK 465     HIS B   354                                                      
REMARK 465     HIS B   355                                                      
REMARK 465     HIS B   356                                                      
REMARK 465     HIS B   357                                                      
REMARK 465     MET C   104                                                      
REMARK 465     GLY C   105                                                      
REMARK 465     SER C   106                                                      
REMARK 465     SER C   107                                                      
REMARK 465     HIS C   108                                                      
REMARK 465     HIS C   109                                                      
REMARK 465     HIS C   110                                                      
REMARK 465     HIS C   111                                                      
REMARK 465     HIS C   112                                                      
REMARK 465     HIS C   113                                                      
REMARK 465     SER C   114                                                      
REMARK 465     SER C   115                                                      
REMARK 465     GLY C   116                                                      
REMARK 465     LEU C   117                                                      
REMARK 465     VAL C   118                                                      
REMARK 465     PRO C   119                                                      
REMARK 465     ARG C   120                                                      
REMARK 465     GLY C   121                                                      
REMARK 465     SER C   122                                                      
REMARK 465     HIS C   123                                                      
REMARK 465     MET C   124                                                      
REMARK 465     PRO C   125                                                      
REMARK 465     ALA C   126                                                      
REMARK 465     PRO C   200                                                      
REMARK 465     ALA C   201                                                      
REMARK 465     GLU C   202                                                      
REMARK 465     GLU C   203                                                      
REMARK 465     GLY C   204                                                      
REMARK 465     CYS C   205                                                      
REMARK 465     ASP C   206                                                      
REMARK 465     LEU C   207                                                      
REMARK 465     GLN C   208                                                      
REMARK 465     GLU C   209                                                      
REMARK 465     ILE C   210                                                      
REMARK 465     HIS C   211                                                      
REMARK 465     PRO C   212                                                      
REMARK 465     VAL C   213                                                      
REMARK 465     ASP C   214                                                      
REMARK 465     LEU C   215                                                      
REMARK 465     GLU C   216                                                      
REMARK 465     SER C   217                                                      
REMARK 465     ALA C   218                                                      
REMARK 465     GLU C   219                                                      
REMARK 465     SER C   220                                                      
REMARK 465     SER C   221                                                      
REMARK 465     SER C   222                                                      
REMARK 465     GLU C   223                                                      
REMARK 465       C D     1                                                      
REMARK 465       C D     2                                                      
REMARK 465       A D     3                                                      
REMARK 465       A D     4                                                      
REMARK 465       A D     5                                                      
REMARK 465       G D     6                                                      
REMARK 465       G D     7                                                      
REMARK 465       C D     8                                                      
REMARK 465     THR E    55                                                      
REMARK 465     SER E    56                                                      
REMARK 465     SER E    57                                                      
REMARK 465     ALA E    58                                                      
REMARK 465     SER E    59                                                      
REMARK 465     ASP E    60                                                      
REMARK 465     LEU E   117                                                      
REMARK 465     LYS E   118                                                      
REMARK 465     GLU E   119                                                      
REMARK 465     SER E   120                                                      
REMARK 465     ASN E   121                                                      
REMARK 465     PHE E   122                                                      
REMARK 465     ALA E   123                                                      
REMARK 465     ASP E   124                                                      
REMARK 465     ARG E   272                                                      
REMARK 465     SER E   273                                                      
REMARK 465     GLU E   351                                                      
REMARK 465     HIS E   352                                                      
REMARK 465     HIS E   353                                                      
REMARK 465     HIS E   354                                                      
REMARK 465     HIS E   355                                                      
REMARK 465     HIS E   356                                                      
REMARK 465     HIS E   357                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   N    PHE B    61     O    HOH B   493              2.11            
REMARK 500   NH2  ARG E   317     O    LEU E   334              2.15            
REMARK 500   O    HOH B   436     O    HOH B   460              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O2'    U D     9     OD2  ASP E   184     4456     2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500      C A   1   N1  -  C2  -  O2  ANGL. DEV. =   3.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER B  62       25.32    -78.95                                   
REMARK 500    ILE B 178      -73.24    -84.81                                   
REMARK 500    THR B 221      -74.45   -107.74                                   
REMARK 500    ILE E 178      -70.75    -85.64                                   
REMARK 500    THR E 221      -73.78   -110.23                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH D 115        DISTANCE =  9.29 ANGSTROMS                       
REMARK 525    HOH D 116        DISTANCE =  6.73 ANGSTROMS                       
REMARK 525    HOH D 117        DISTANCE =  9.38 ANGSTROMS                       
REMARK 525    HOH D 118        DISTANCE =  6.85 ANGSTROMS                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4L8R   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE HISTONE MRNA STEM-LOOP, STEM-LOOP           
REMARK 900 BINDING PROTEIN (UNPHOSPHORYLATED), AND 3'HEXO TERNARY               
REMARK 900 COMPLEX                                                              
DBREF  4QOZ B   55   349  UNP    Q8IV48   ERI1_HUMAN      55    349             
DBREF  4QOZ C  125   223  UNP    Q14493   SLBP_HUMAN     125    223             
DBREF  4QOZ E   55   349  UNP    Q8IV48   ERI1_HUMAN      55    349             
DBREF  4QOZ A    1    26  PDB    4QOZ     4QOZ             1     26             
DBREF  4QOZ D    1    26  PDB    4QOZ     4QOZ             1     26             
SEQADV 4QOZ LEU B  350  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ GLU B  351  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS B  352  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS B  353  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS B  354  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS B  355  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS B  356  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS B  357  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ MET C  104  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ GLY C  105  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ SER C  106  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ SER C  107  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ HIS C  108  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ HIS C  109  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ HIS C  110  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ HIS C  111  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ HIS C  112  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ HIS C  113  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ SER C  114  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ SER C  115  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ GLY C  116  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ LEU C  117  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ VAL C  118  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ PRO C  119  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ ARG C  120  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ GLY C  121  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ SER C  122  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ HIS C  123  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ MET C  124  UNP  Q14493              EXPRESSION TAG                 
SEQADV 4QOZ LEU E  350  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ GLU E  351  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS E  352  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS E  353  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS E  354  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS E  355  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS E  356  UNP  Q8IV48              EXPRESSION TAG                 
SEQADV 4QOZ HIS E  357  UNP  Q8IV48              EXPRESSION TAG                 
SEQRES   1 A   26    C   C   A   A   A   G   G   C   U   C   U   U   U          
SEQRES   2 A   26    U   C   A   G   A   G   C   C   A   C   C   C   A          
SEQRES   1 B  303  THR SER SER ALA SER ASP PHE SER ASP PRO VAL TYR LYS          
SEQRES   2 B  303  GLU ILE ALA ILE THR ASN GLY CYS ILE ASN ARG MET SER          
SEQRES   3 B  303  LYS GLU GLU LEU ARG ALA LYS LEU SER GLU PHE LYS LEU          
SEQRES   4 B  303  GLU THR ARG GLY VAL LYS ASP VAL LEU LYS LYS ARG LEU          
SEQRES   5 B  303  LYS ASN TYR TYR LYS LYS GLN LYS LEU MET LEU LYS GLU          
SEQRES   6 B  303  SER ASN PHE ALA ASP SER TYR TYR ASP TYR ILE CYS ILE          
SEQRES   7 B  303  ILE ASP PHE GLU ALA THR CYS GLU GLU GLY ASN PRO PRO          
SEQRES   8 B  303  GLU PHE VAL HIS GLU ILE ILE GLU PHE PRO VAL VAL LEU          
SEQRES   9 B  303  LEU ASN THR HIS THR LEU GLU ILE GLU ASP THR PHE GLN          
SEQRES  10 B  303  GLN TYR VAL ARG PRO GLU ILE ASN THR GLN LEU SER ASP          
SEQRES  11 B  303  PHE CYS ILE SER LEU THR GLY ILE THR GLN ASP GLN VAL          
SEQRES  12 B  303  ASP ARG ALA ASP THR PHE PRO GLN VAL LEU LYS LYS VAL          
SEQRES  13 B  303  ILE ASP TRP MET LYS LEU LYS GLU LEU GLY THR LYS TYR          
SEQRES  14 B  303  LYS TYR SER LEU LEU THR ASP GLY SER TRP ASP MET SER          
SEQRES  15 B  303  LYS PHE LEU ASN ILE GLN CYS GLN LEU SER ARG LEU LYS          
SEQRES  16 B  303  TYR PRO PRO PHE ALA LYS LYS TRP ILE ASN ILE ARG LYS          
SEQRES  17 B  303  SER TYR GLY ASN PHE TYR LYS VAL PRO ARG SER GLN THR          
SEQRES  18 B  303  LYS LEU THR ILE MET LEU GLU LYS LEU GLY MET ASP TYR          
SEQRES  19 B  303  ASP GLY ARG PRO HIS CYS GLY LEU ASP ASP SER LYS ASN          
SEQRES  20 B  303  ILE ALA ARG ILE ALA VAL ARG MET LEU GLN ASP GLY CYS          
SEQRES  21 B  303  GLU LEU ARG ILE ASN GLU LYS MET HIS ALA GLY GLN LEU          
SEQRES  22 B  303  MET SER VAL SER SER SER LEU PRO ILE GLU GLY THR PRO          
SEQRES  23 B  303  PRO PRO GLN MET PRO HIS PHE ARG LYS LEU GLU HIS HIS          
SEQRES  24 B  303  HIS HIS HIS HIS                                              
SEQRES   1 C  120  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 C  120  LEU VAL PRO ARG GLY SER HIS MET PRO ALA ASP PHE GLU          
SEQRES   3 C  120  THR ASP GLU SER VAL LEU MET ARG ARG GLN LYS GLN ILE          
SEQRES   4 C  120  ASN TYR GLY LYS ASN THR ILE ALA TYR ASP ARG TYR ILE          
SEQRES   5 C  120  LYS GLU VAL PRO ARG HIS LEU ARG GLN PRO GLY ILE HIS          
SEQRES   6 C  120  PRO LYS TPO PRO ASN LYS PHE LYS LYS TYR SER ARG ARG          
SEQRES   7 C  120  SER TRP ASP GLN GLN ILE LYS LEU TRP LYS VAL ALA LEU          
SEQRES   8 C  120  HIS PHE TRP ASP PRO PRO ALA GLU GLU GLY CYS ASP LEU          
SEQRES   9 C  120  GLN GLU ILE HIS PRO VAL ASP LEU GLU SER ALA GLU SER          
SEQRES  10 C  120  SER SER GLU                                                  
SEQRES   1 D   26    C   C   A   A   A   G   G   C   U   C   U   U   U          
SEQRES   2 D   26    U   C   A   G   A   G   C   C   A   C   C   C   A          
SEQRES   1 E  303  THR SER SER ALA SER ASP PHE SER ASP PRO VAL TYR LYS          
SEQRES   2 E  303  GLU ILE ALA ILE THR ASN GLY CYS ILE ASN ARG MET SER          
SEQRES   3 E  303  LYS GLU GLU LEU ARG ALA LYS LEU SER GLU PHE LYS LEU          
SEQRES   4 E  303  GLU THR ARG GLY VAL LYS ASP VAL LEU LYS LYS ARG LEU          
SEQRES   5 E  303  LYS ASN TYR TYR LYS LYS GLN LYS LEU MET LEU LYS GLU          
SEQRES   6 E  303  SER ASN PHE ALA ASP SER TYR TYR ASP TYR ILE CYS ILE          
SEQRES   7 E  303  ILE ASP PHE GLU ALA THR CYS GLU GLU GLY ASN PRO PRO          
SEQRES   8 E  303  GLU PHE VAL HIS GLU ILE ILE GLU PHE PRO VAL VAL LEU          
SEQRES   9 E  303  LEU ASN THR HIS THR LEU GLU ILE GLU ASP THR PHE GLN          
SEQRES  10 E  303  GLN TYR VAL ARG PRO GLU ILE ASN THR GLN LEU SER ASP          
SEQRES  11 E  303  PHE CYS ILE SER LEU THR GLY ILE THR GLN ASP GLN VAL          
SEQRES  12 E  303  ASP ARG ALA ASP THR PHE PRO GLN VAL LEU LYS LYS VAL          
SEQRES  13 E  303  ILE ASP TRP MET LYS LEU LYS GLU LEU GLY THR LYS TYR          
SEQRES  14 E  303  LYS TYR SER LEU LEU THR ASP GLY SER TRP ASP MET SER          
SEQRES  15 E  303  LYS PHE LEU ASN ILE GLN CYS GLN LEU SER ARG LEU LYS          
SEQRES  16 E  303  TYR PRO PRO PHE ALA LYS LYS TRP ILE ASN ILE ARG LYS          
SEQRES  17 E  303  SER TYR GLY ASN PHE TYR LYS VAL PRO ARG SER GLN THR          
SEQRES  18 E  303  LYS LEU THR ILE MET LEU GLU LYS LEU GLY MET ASP TYR          
SEQRES  19 E  303  ASP GLY ARG PRO HIS CYS GLY LEU ASP ASP SER LYS ASN          
SEQRES  20 E  303  ILE ALA ARG ILE ALA VAL ARG MET LEU GLN ASP GLY CYS          
SEQRES  21 E  303  GLU LEU ARG ILE ASN GLU LYS MET HIS ALA GLY GLN LEU          
SEQRES  22 E  303  MET SER VAL SER SER SER LEU PRO ILE GLU GLY THR PRO          
SEQRES  23 E  303  PRO PRO GLN MET PRO HIS PHE ARG LYS LEU GLU HIS HIS          
SEQRES  24 E  303  HIS HIS HIS HIS                                              
MODRES 4QOZ TPO C  171  THR  PHOSPHOTHREONINE                                   
HET    TPO  C 171      11                                                       
HETNAM     TPO PHOSPHOTHREONINE                                                 
HETSYN     TPO PHOSPHONOTHREONINE                                               
FORMUL   3  TPO    C4 H10 N O6 P                                                
FORMUL   6  HOH   *297(H2 O)                                                    
HELIX    1   1 ASP B   63  ARG B   78  1                                  16    
HELIX    2   2 SER B   80  PHE B   91  1                                  12    
HELIX    3   3 VAL B   98  LEU B  115  1                                  18    
HELIX    4   4 SER B  183  GLY B  191  1                                   9    
HELIX    5   5 THR B  193  ARG B  199  1                                   7    
HELIX    6   6 THR B  202  LYS B  217  1                                  16    
HELIX    7   7 SER B  232  LYS B  237  1                                   6    
HELIX    8   8 LYS B  237  SER B  246  1                                  10    
HELIX    9   9 PRO B  251  ALA B  254  5                                   4    
HELIX   10  10 ILE B  260  LYS B  269  1                                  10    
HELIX   11  11 LYS B  276  LEU B  284  1                                   9    
HELIX   12  12 CYS B  294  ASP B  312  1                                  19    
HELIX   13  13 ASP C  131  ASN C  147  1                                  17    
HELIX   14  14 THR C  148  VAL C  158  1                                  11    
HELIX   15  15 SER C  179  HIS C  195  1                                  17    
HELIX   16  16 PHE C  196  ASP C  198  5                                   3    
HELIX   17  17 ASP E   63  ARG E   78  1                                  16    
HELIX   18  18 SER E   80  PHE E   91  1                                  12    
HELIX   19  19 VAL E   98  MET E  116  1                                  19    
HELIX   20  20 SER E  183  GLY E  191  1                                   9    
HELIX   21  21 THR E  193  ARG E  199  1                                   7    
HELIX   22  22 THR E  202  LYS E  217  1                                  16    
HELIX   23  23 SER E  232  LYS E  237  1                                   6    
HELIX   24  24 LYS E  237  ARG E  247  1                                  11    
HELIX   25  25 PRO E  251  ALA E  254  5                                   4    
HELIX   26  26 ILE E  260  LYS E  269  1                                  10    
HELIX   27  27 LYS E  276  LEU E  284  1                                   9    
HELIX   28  28 CYS E  294  ASP E  312  1                                  19    
SHEET    1   A 3 GLU B 136  ALA B 137  0                                        
SHEET    2   A 3 ILE B 151  ASN B 160 -1  O  ILE B 152   N  GLU B 136           
SHEET    3   A 3 ILE B 166  TYR B 173 -1  O  GLN B 172   N  PHE B 154           
SHEET    1   B 7 GLU B 136  ALA B 137  0                                        
SHEET    2   B 7 ILE B 151  ASN B 160 -1  O  ILE B 152   N  GLU B 136           
SHEET    3   B 7 TYR B 129  ILE B 132 -1  N  ILE B 132   O  VAL B 157           
SHEET    4   B 7 TYR B 225  THR B 229  1  O  LEU B 228   N  CYS B 131           
SHEET    5   B 7 LYS B 256  ASN B 259  1  O  ILE B 258   N  LEU B 227           
SHEET    6   B 7 GLU B 320  HIS B 323 -1  O  GLU B 320   N  TRP B 257           
SHEET    7   B 7 GLN B 326  SER B 329 -1  O  MET B 328   N  LYS B 321           
SHEET    1   C 3 GLU E 136  ALA E 137  0                                        
SHEET    2   C 3 ILE E 151  ASN E 160 -1  O  ILE E 152   N  GLU E 136           
SHEET    3   C 3 ILE E 166  TYR E 173 -1  O  ASP E 168   N  LEU E 158           
SHEET    1   D 7 GLU E 136  ALA E 137  0                                        
SHEET    2   D 7 ILE E 151  ASN E 160 -1  O  ILE E 152   N  GLU E 136           
SHEET    3   D 7 TYR E 129  ILE E 132 -1  N  ILE E 132   O  VAL E 157           
SHEET    4   D 7 TYR E 225  THR E 229  1  O  SER E 226   N  CYS E 131           
SHEET    5   D 7 LYS E 256  ASN E 259  1  O  ILE E 258   N  LEU E 227           
SHEET    6   D 7 GLU E 320  HIS E 323 -1  O  GLU E 320   N  TRP E 257           
SHEET    7   D 7 GLN E 326  SER E 329 -1  O  GLN E 326   N  HIS E 323           
LINK         C   LYS C 170                 N   TPO C 171     1555   1555  1.33  
LINK         C   TPO C 171                 N   PRO C 172     1555   1555  1.35  
CRYST1   82.107   91.505  128.722  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.012179  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010928  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007769        0.00000