PDB Short entry for 4NKU
HEADER    TRANSFERASE/RNA                         13-NOV-13   4NKU              
TITLE     STRUCTURE OF CID1 IN COMPLEX WITH ITS SHORT PRODUCT APU               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: POLY(A) RNA POLYMERASE PROTEIN CID1;                       
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 40-377;                                       
COMPND   5 SYNONYM: CAFFEINE-INDUCED DEATH PROTEIN 1;                           
COMPND   6 EC: 2.7.7.-;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES;                                                       
COMPND   9 MOL_ID: 2;                                                           
COMPND  10 MOLECULE: 5'-R(*AP*U)-3';                                            
COMPND  11 CHAIN: D, H;                                                         
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SCHIZOSACCHAROMYCES POMBE;                      
SOURCE   3 ORGANISM_COMMON: FISSION YEAST;                                      
SOURCE   4 ORGANISM_TAXID: 4896;                                                
SOURCE   5 GENE: CID1, SPAC19D5.03;                                             
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21 STAR;                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET42-BASED;                              
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 SYNTHETIC: YES                                                       
KEYWDS    POLY(U) POLYMERASE, NUCLEOTIDYL TRANFER DOMAIN, PAP-ASSOCIATED        
KEYWDS   2 DOMAIN, UTP BINDING, TRANSFERASE-RNA COMPLEX                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.MUNOZ-TELLO,C.GABUS,S.THORE                                         
REVDAT   3   26-MAR-14 4NKU    1       JRNL                                     
REVDAT   2   15-JAN-14 4NKU    1       JRNL                                     
REVDAT   1   18-DEC-13 4NKU    0                                                
JRNL        AUTH   P.MUNOZ-TELLO,C.GABUS,S.THORE                                
JRNL        TITL   A CRITICAL SWITCH IN THE ENZYMATIC PROPERTIES OF THE CID1    
JRNL        TITL 2 PROTEIN DECIPHERED FROM ITS PRODUCT-BOUND CRYSTAL STRUCTURE. 
JRNL        REF    NUCLEIC ACIDS RES.            V.  42  3372 2014              
JRNL        REFN                   ISSN 0305-1048                               
JRNL        PMID   24322298                                                     
JRNL        DOI    10.1093/NAR/GKT1278                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.94 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8.1_1168)                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VICENT 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) : 1.94                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 45.34                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 49569                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.181                           
REMARK   3   R VALUE            (WORKING SET) : 0.179                           
REMARK   3   FREE R VALUE                     : 0.226                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.040                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2001                            
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 45.3497 -  4.6739    0.98     3455   140  0.1816 0.2185        
REMARK   3     2  4.6739 -  3.7103    1.00     3439   140  0.1494 0.1689        
REMARK   3     3  3.7103 -  3.2415    1.00     3414   145  0.1619 0.2040        
REMARK   3     4  3.2415 -  2.9452    1.00     3418   141  0.1839 0.2227        
REMARK   3     5  2.9452 -  2.7341    1.00     3395   156  0.1899 0.2290        
REMARK   3     6  2.7341 -  2.5729    1.00     3376   146  0.1947 0.2747        
REMARK   3     7  2.5729 -  2.4441    1.00     3424   131  0.1847 0.2512        
REMARK   3     8  2.4441 -  2.3377    1.00     3371   148  0.1854 0.2603        
REMARK   3     9  2.3377 -  2.2477    1.00     3392   150  0.1881 0.2605        
REMARK   3    10  2.2477 -  2.1701    0.99     3422   133  0.1972 0.2723        
REMARK   3    11  2.1701 -  2.1023    1.00     3359   147  0.1963 0.2709        
REMARK   3    12  2.1023 -  2.0422    0.99     3348   148  0.1985 0.2799        
REMARK   3    13  2.0422 -  1.9884    0.99     3396   142  0.2079 0.2323        
REMARK   3    14  1.9884 -  1.9400    0.99     3359   134  0.2175 0.2720        
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)     : 0.180            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.770           
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      :  0.007           5339                                  
REMARK   3   ANGLE     :  1.077           7220                                  
REMARK   3   CHIRALITY :  0.078            794                                  
REMARK   3   PLANARITY :  0.006            899                                  
REMARK   3   DIHEDRAL  : 15.364           2013                                  
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 : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4NKU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-NOV-13.                  
REMARK 100 THE RCSB ID CODE IS RCSB083329.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 04-JUN-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.1                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-4                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9394                             
REMARK 200  MONOCHROMATOR                  : CHANNEL CUT 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 : XDS PACKAGE                        
REMARK 200  DATA SCALING SOFTWARE          : XDS PACKAGE                        
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 49569                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.940                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.337                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.09300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.1400                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.94                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.08600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.280                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 4EP7                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.86                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M IMIDAZOLE/MES, PH 6.1, 20%         
REMARK 280  GLYCEROL, 10% PEG4000, 126 MM HALOGENS (SODIUM IODIDE, SODIUM       
REMARK 280  BROMIDE, SODIUM FLUORIDE), 10 MM TCEP, VAPOR DIFFUSION, SITTING     
REMARK 280  DROP, TEMPERATURE 291K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       38.54500            
REMARK 290   SMTRY3   2  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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1190 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16230 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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: 1000 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15530 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, H                                  
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     GLY A    37                                                      
REMARK 465     SER A   110                                                      
REMARK 465     ARG A   111                                                      
REMARK 465     VAL A   112                                                      
REMARK 465     GLN A   113                                                      
REMARK 465     SER A   114                                                      
REMARK 465     ASP A   115                                                      
REMARK 465     ALA A   309                                                      
REMARK 465     THR A   310                                                      
REMARK 465     GLU A   311                                                      
REMARK 465     HIS A   312                                                      
REMARK 465     THR A   313                                                      
REMARK 465     GLY A   314                                                      
REMARK 465     SER A   315                                                      
REMARK 465     ALA A   316                                                      
REMARK 465     ASP A   317                                                      
REMARK 465     GLN A   318                                                      
REMARK 465     ILE A   319                                                      
REMARK 465     ILE A   320                                                      
REMARK 465     LYS A   321                                                      
REMARK 465     ASP A   322                                                      
REMARK 465     GLY B    37                                                      
REMARK 465     ASP B    38                                                      
REMARK 465     SER B   110                                                      
REMARK 465     ARG B   111                                                      
REMARK 465     VAL B   112                                                      
REMARK 465     GLN B   113                                                      
REMARK 465     SER B   114                                                      
REMARK 465     ASP B   115                                                      
REMARK 465     ARG B   137                                                      
REMARK 465     ALA B   138                                                      
REMARK 465     ARG B   139                                                      
REMARK 465     ASP B   148                                                      
REMARK 465     THR B   149                                                      
REMARK 465     LYS B   150                                                      
REMARK 465     ASN B   151                                                      
REMARK 465     GLY B   152                                                      
REMARK 465     PHE B   153                                                      
REMARK 465     GLY B   154                                                      
REMARK 465     ALA B   155                                                      
REMARK 465     SER B   156                                                      
REMARK 465     GLU B   311                                                      
REMARK 465     HIS B   312                                                      
REMARK 465     THR B   313                                                      
REMARK 465     GLY B   314                                                      
REMARK 465     SER B   315                                                      
REMARK 465     ALA B   316                                                      
REMARK 465     ASP B   317                                                      
REMARK 465     GLN B   318                                                      
REMARK 465     ILE B   319                                                      
REMARK 465     ILE B   320                                                      
REMARK 465     LYS B   321                                                      
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  BR     BR B   402     O    HOH B   593              2.01            
REMARK 500   O    HOH A   573     O    HOH A   605              2.04            
REMARK 500   OH   TYR B   370     O    HOH B   535              2.06            
REMARK 500   O    HOH A   610     O    HOH A   689              2.07            
REMARK 500   O3'    U H    59     O    HOH H   103              2.10            
REMARK 500   OP1    U H    59     O    HOH H   102              2.11            
REMARK 500   OP1    U D    59     O    HOH D   206              2.11            
REMARK 500   O    HOH A   672     O    HOH D   201              2.17            
REMARK 500   O    ALA A   138     O    HOH A   616              2.17            
REMARK 500   OH   TYR A   370     O    HOH A   629              2.19            
REMARK 500   O    HOH A   683     O    HOH A   685              2.19            
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   O    HOH B   592     O    HOH B   644     2656     2.15            
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    ILE A 140       87.60     66.77                                   
REMARK 500    THR A 208     -150.68   -112.04                                   
REMARK 500    VAL A 225      -61.04   -106.47                                   
REMARK 500    TRP A 306       66.30   -104.99                                   
REMARK 500    SER A 365      177.00    -57.38                                   
REMARK 500    PRO A 367      108.20     14.95                                   
REMARK 500    THR B 208     -152.81   -107.55                                   
REMARK 500    TRP B 306       69.25   -115.11                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 TYR A  366     PRO A  367                 -131.71                    
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 A 576        DISTANCE =  5.01 ANGSTROMS                       
REMARK 525    HOH A 639        DISTANCE =  5.51 ANGSTROMS                       
REMARK 525    HOH A 660        DISTANCE =  5.98 ANGSTROMS                       
REMARK 525    HOH B 595        DISTANCE =  6.13 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 401  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 680   O                                                      
REMARK 620 2 HOH A 619   O    52.6                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR B 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR D 101                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4NKT   RELATED DB: PDB                                   
DBREF  4NKU A   40   377  UNP    O13833   CID1_SCHPO      40    377             
DBREF  4NKU B   40   377  UNP    O13833   CID1_SCHPO      40    377             
DBREF  4NKU D   58    59  PDB    4NKU     4NKU            58     59             
DBREF  4NKU H   58    59  PDB    4NKU     4NKU            58     59             
SEQADV 4NKU GLY A   37  UNP  O13833              EXPRESSION TAG                 
SEQADV 4NKU ASP A   38  UNP  O13833              EXPRESSION TAG                 
SEQADV 4NKU MET A   39  UNP  O13833              EXPRESSION TAG                 
SEQADV 4NKU ALA A  160  UNP  O13833    ASP   160 ENGINEERED MUTATION            
SEQADV 4NKU GLY B   37  UNP  O13833              EXPRESSION TAG                 
SEQADV 4NKU ASP B   38  UNP  O13833              EXPRESSION TAG                 
SEQADV 4NKU MET B   39  UNP  O13833              EXPRESSION TAG                 
SEQADV 4NKU ALA B  160  UNP  O13833    ASP   160 ENGINEERED MUTATION            
SEQRES   1 A  341  GLY ASP MET SER HIS LYS GLU PHE THR LYS PHE CYS TYR          
SEQRES   2 A  341  GLU VAL TYR ASN GLU ILE LYS ILE SER ASP LYS GLU PHE          
SEQRES   3 A  341  LYS GLU LYS ARG ALA ALA LEU ASP THR LEU ARG LEU CYS          
SEQRES   4 A  341  LEU LYS ARG ILE SER PRO ASP ALA GLU LEU VAL ALA PHE          
SEQRES   5 A  341  GLY SER LEU GLU SER GLY LEU ALA LEU LYS ASN SER ASP          
SEQRES   6 A  341  MET ASP LEU CYS VAL LEU MET ASP SER ARG VAL GLN SER          
SEQRES   7 A  341  ASP THR ILE ALA LEU GLN PHE TYR GLU GLU LEU ILE ALA          
SEQRES   8 A  341  GLU GLY PHE GLU GLY LYS PHE LEU GLN ARG ALA ARG ILE          
SEQRES   9 A  341  PRO ILE ILE LYS LEU THR SER ASP THR LYS ASN GLY PHE          
SEQRES  10 A  341  GLY ALA SER PHE GLN CYS ALA ILE GLY PHE ASN ASN ARG          
SEQRES  11 A  341  LEU ALA ILE HIS ASN THR LEU LEU LEU SER SER TYR THR          
SEQRES  12 A  341  LYS LEU ASP ALA ARG LEU LYS PRO MET VAL LEU LEU VAL          
SEQRES  13 A  341  LYS HIS TRP ALA LYS ARG LYS GLN ILE ASN SER PRO TYR          
SEQRES  14 A  341  PHE GLY THR LEU SER SER TYR GLY TYR VAL LEU MET VAL          
SEQRES  15 A  341  LEU TYR TYR LEU ILE HIS VAL ILE LYS PRO PRO VAL PHE          
SEQRES  16 A  341  PRO ASN LEU LEU LEU SER PRO LEU LYS GLN GLU LYS ILE          
SEQRES  17 A  341  VAL ASP GLY PHE ASP VAL GLY PHE ASP ASP LYS LEU GLU          
SEQRES  18 A  341  ASP ILE PRO PRO SER GLN ASN TYR SER SER LEU GLY SER          
SEQRES  19 A  341  LEU LEU HIS GLY PHE PHE ARG PHE TYR ALA TYR LYS PHE          
SEQRES  20 A  341  GLU PRO ARG GLU LYS VAL VAL THR PHE ARG ARG PRO ASP          
SEQRES  21 A  341  GLY TYR LEU THR LYS GLN GLU LYS GLY TRP THR SER ALA          
SEQRES  22 A  341  THR GLU HIS THR GLY SER ALA ASP GLN ILE ILE LYS ASP          
SEQRES  23 A  341  ARG TYR ILE LEU ALA ILE GLU ASP PRO PHE GLU ILE SER          
SEQRES  24 A  341  HIS ASN VAL GLY ARG THR VAL SER SER SER GLY LEU TYR          
SEQRES  25 A  341  ARG ILE ARG GLY GLU PHE MET ALA ALA SER ARG LEU LEU          
SEQRES  26 A  341  ASN SER ARG SER TYR PRO ILE PRO TYR ASP SER LEU PHE          
SEQRES  27 A  341  GLU GLU ALA                                                  
SEQRES   1 B  341  GLY ASP MET SER HIS LYS GLU PHE THR LYS PHE CYS TYR          
SEQRES   2 B  341  GLU VAL TYR ASN GLU ILE LYS ILE SER ASP LYS GLU PHE          
SEQRES   3 B  341  LYS GLU LYS ARG ALA ALA LEU ASP THR LEU ARG LEU CYS          
SEQRES   4 B  341  LEU LYS ARG ILE SER PRO ASP ALA GLU LEU VAL ALA PHE          
SEQRES   5 B  341  GLY SER LEU GLU SER GLY LEU ALA LEU LYS ASN SER ASP          
SEQRES   6 B  341  MET ASP LEU CYS VAL LEU MET ASP SER ARG VAL GLN SER          
SEQRES   7 B  341  ASP THR ILE ALA LEU GLN PHE TYR GLU GLU LEU ILE ALA          
SEQRES   8 B  341  GLU GLY PHE GLU GLY LYS PHE LEU GLN ARG ALA ARG ILE          
SEQRES   9 B  341  PRO ILE ILE LYS LEU THR SER ASP THR LYS ASN GLY PHE          
SEQRES  10 B  341  GLY ALA SER PHE GLN CYS ALA ILE GLY PHE ASN ASN ARG          
SEQRES  11 B  341  LEU ALA ILE HIS ASN THR LEU LEU LEU SER SER TYR THR          
SEQRES  12 B  341  LYS LEU ASP ALA ARG LEU LYS PRO MET VAL LEU LEU VAL          
SEQRES  13 B  341  LYS HIS TRP ALA LYS ARG LYS GLN ILE ASN SER PRO TYR          
SEQRES  14 B  341  PHE GLY THR LEU SER SER TYR GLY TYR VAL LEU MET VAL          
SEQRES  15 B  341  LEU TYR TYR LEU ILE HIS VAL ILE LYS PRO PRO VAL PHE          
SEQRES  16 B  341  PRO ASN LEU LEU LEU SER PRO LEU LYS GLN GLU LYS ILE          
SEQRES  17 B  341  VAL ASP GLY PHE ASP VAL GLY PHE ASP ASP LYS LEU GLU          
SEQRES  18 B  341  ASP ILE PRO PRO SER GLN ASN TYR SER SER LEU GLY SER          
SEQRES  19 B  341  LEU LEU HIS GLY PHE PHE ARG PHE TYR ALA TYR LYS PHE          
SEQRES  20 B  341  GLU PRO ARG GLU LYS VAL VAL THR PHE ARG ARG PRO ASP          
SEQRES  21 B  341  GLY TYR LEU THR LYS GLN GLU LYS GLY TRP THR SER ALA          
SEQRES  22 B  341  THR GLU HIS THR GLY SER ALA ASP GLN ILE ILE LYS ASP          
SEQRES  23 B  341  ARG TYR ILE LEU ALA ILE GLU ASP PRO PHE GLU ILE SER          
SEQRES  24 B  341  HIS ASN VAL GLY ARG THR VAL SER SER SER GLY LEU TYR          
SEQRES  25 B  341  ARG ILE ARG GLY GLU PHE MET ALA ALA SER ARG LEU LEU          
SEQRES  26 B  341  ASN SER ARG SER TYR PRO ILE PRO TYR ASP SER LEU PHE          
SEQRES  27 B  341  GLU GLU ALA                                                  
SEQRES   1 D    2    A   U                                                      
SEQRES   1 H    2    A   U                                                      
HET     MG  A 401       1                                                       
HET     MG  A 402       1                                                       
HET     BR  A 403       1                                                       
HET     MG  B 401       1                                                       
HET     BR  B 402       1                                                       
HET     BR  D 101       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      BR BROMIDE ION                                                      
FORMUL   5   MG    3(MG 2+)                                                     
FORMUL   7   BR    3(BR 1-)                                                     
FORMUL  11  HOH   *356(H2 O)                                                    
HELIX    1   1 HIS A   41  LYS A   56  1                                  16    
HELIX    2   2 SER A   58  ARG A   78  1                                  21    
HELIX    3   3 GLY A   89  GLY A   94  1                                   6    
HELIX    4   4 ILE A  117  GLU A  128  1                                  12    
HELIX    5   5 ASN A  165  ASP A  182  1                                  18    
HELIX    6   6 ARG A  184  LYS A  199  1                                  16    
HELIX    7   7 SER A  203  GLY A  207  5                                   5    
HELIX    8   8 SER A  210  VAL A  225  1                                  16    
HELIX    9   9 LYS A  255  ILE A  259  5                                   5    
HELIX   10  10 SER A  267  LYS A  282  1                                  16    
HELIX   11  11 THR A  300  GLY A  305  1                                   6    
HELIX   12  12 SER A  343  SER A  363  1                                  21    
HELIX   13  13 PRO A  369  GLU A  375  5                                   7    
HELIX   14  14 HIS B   41  LYS B   56  1                                  16    
HELIX   15  15 SER B   58  ARG B   78  1                                  21    
HELIX   16  16 GLY B   89  GLY B   94  1                                   6    
HELIX   17  17 ILE B  117  GLU B  128  1                                  12    
HELIX   18  18 ASN B  165  ASP B  182  1                                  18    
HELIX   19  19 ARG B  184  LYS B  199  1                                  16    
HELIX   20  20 SER B  203  GLY B  207  5                                   5    
HELIX   21  21 SER B  210  VAL B  225  1                                  16    
HELIX   22  22 ASN B  233  SER B  237  5                                   5    
HELIX   23  23 LYS B  255  ILE B  259  5                                   5    
HELIX   24  24 SER B  267  LYS B  282  1                                  16    
HELIX   25  25 THR B  300  GLY B  305  1                                   6    
HELIX   26  26 ASN B  337  VAL B  342  5                                   6    
HELIX   27  27 SER B  343  ASN B  362  1                                  20    
HELIX   28  28 PRO B  369  GLU B  375  5                                   7    
SHEET    1   A 5 GLU A  84  PHE A  88  0                                        
SHEET    2   A 5 MET A 102  LEU A 107 -1  O  CYS A 105   N  VAL A  86           
SHEET    3   A 5 CYS A 159  PHE A 163  1  O  GLY A 162   N  LEU A 104           
SHEET    4   A 5 ILE A 143  ASP A 148 -1  N  LEU A 145   O  CYS A 159           
SHEET    5   A 5 PHE A 130  PHE A 134 -1  N  LYS A 133   O  LYS A 144           
SHEET    1   B 2 ILE A 244  VAL A 245  0                                        
SHEET    2   B 2 PHE A 248  ASP A 249 -1  O  PHE A 248   N  VAL A 245           
SHEET    1   C 5 GLU B  84  PHE B  88  0                                        
SHEET    2   C 5 MET B 102  LEU B 107 -1  O  LEU B 107   N  GLU B  84           
SHEET    3   C 5 CYS B 159  PHE B 163  1  O  ALA B 160   N  LEU B 104           
SHEET    4   C 5 ILE B 142  SER B 147 -1  N  LEU B 145   O  CYS B 159           
SHEET    5   C 5 GLU B 131  LEU B 135 -1  N  LEU B 135   O  ILE B 142           
SHEET    1   D 2 ILE B 244  VAL B 245  0                                        
SHEET    2   D 2 PHE B 248  ASP B 249 -1  O  PHE B 248   N  VAL B 245           
SHEET    1   E 2 VAL B 289  VAL B 290  0                                        
SHEET    2   E 2 ALA B 327  ILE B 328  1  O  ALA B 327   N  VAL B 290           
LINK        MG    MG A 401                 O   HOH A 680     1555   1555  2.07  
LINK        MG    MG B 401                 O   HOH B 644     1555   1555  2.73  
LINK        MG    MG A 401                 O   HOH A 619     1555   1555  2.84  
CISPEP   1 LYS A  227    PRO A  228          0        -4.50                     
CISPEP   2 LYS B  227    PRO B  228          0        -6.20                     
CISPEP   3 TYR B  366    PRO B  367          0         0.53                     
SITE     1 AC1  3 HOH A 517  HOH A 619  HOH A 680                               
SITE     1 AC2  2 THR A  45  HOH A 573                                          
SITE     1 AC3  2 LEU B  74  HOH B 644                                          
SITE     1 AC4  3 LYS B 193  HOH B 593    U H  59                               
SITE     1 AC5  3 LYS A 193  HOH A 609    U D  59                               
CRYST1   54.020   77.090   81.830  90.00  90.71  90.00 P 1 21 1      4          
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      0.018512  0.000000  0.000229        0.00000                         
SCALE2      0.000000  0.012972  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012221        0.00000