PDB Short entry for 1PUF
HEADER    TRANSCRIPTION/DNA                       24-JUN-03   1PUF              
TITLE     CRYSTAL STRUCTURE OF HOXA9 AND PBX1 HOMEODOMAINS BOUND TO             
TITLE    2 DNA                                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-                                                        
COMPND   3 D(*AP*CP*TP*CP*TP*AP*TP*GP*AP*TP*TP*TP*AP*CP*GP*AP*CP*GP*CP          
COMPND   4 *T)-3';                                                              
COMPND   5 CHAIN: D;                                                            
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: 5'-                                                        
COMPND   9 D(*TP*AP*GP*CP*GP*TP*CP*GP*TP*AP*AP*AP*TP*CP*AP*TP*AP*GP*AP          
COMPND  10 *G)-3';                                                              
COMPND  11 CHAIN: E;                                                            
COMPND  12 ENGINEERED: YES;                                                     
COMPND  13 MOL_ID: 3;                                                           
COMPND  14 MOLECULE: HOMEOBOX PROTEIN HOX-A9;                                   
COMPND  15 CHAIN: A;                                                            
COMPND  16 FRAGMENT: RESIDUES 193-269;                                          
COMPND  17 SYNONYM: HOX-1.7;                                                    
COMPND  18 ENGINEERED: YES;                                                     
COMPND  19 OTHER_DETAILS: HOMEODOMAIN;                                          
COMPND  20 MOL_ID: 4;                                                           
COMPND  21 MOLECULE: PRE-B-CELL LEUKEMIA TRANSCRIPTION FACTOR-1;                
COMPND  22 CHAIN: B;                                                            
COMPND  23 FRAGMENT: RESIDUES 233-305;                                          
COMPND  24 SYNONYM: HOMEOBOX PROTEIN PBX1, HOMEOBOX PROTEIN PRL;                
COMPND  25 ENGINEERED: YES;                                                     
COMPND  26 OTHER_DETAILS: HOMEODOMAIN                                           
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   7 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   8 ORGANISM_TAXID: 10090;                                               
SOURCE   9 GENE: HOXA9;                                                         
SOURCE  10 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  11 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  12 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) CODON + -RIL;                    
SOURCE  13 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  14 EXPRESSION_SYSTEM_PLASMID: PET28A+;                                  
SOURCE  15 MOL_ID: 4;                                                           
SOURCE  16 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  17 ORGANISM_COMMON: HUMAN;                                              
SOURCE  18 ORGANISM_TAXID: 9606;                                                
SOURCE  19 GENE: PBX1;                                                          
SOURCE  20 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE  21 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE  22 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  23 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  24 EXPRESSION_SYSTEM_PLASMID: PET11D                                    
KEYWDS    HOMEODOMIAN, PROTEIN-DNA COMPLEX, HOX HEXAPEPTIDE, TALE               
KEYWDS   2 HOMEODOMAIN, HOMEODOMAIN INTERACTION, TRANSCRIPTION/DNA              
KEYWDS   3 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.A.LARONDE-LEBLANC,C.WOLBERGER                                       
REVDAT   2   24-FEB-09 1PUF    1       VERSN                                    
REVDAT   1   02-SEP-03 1PUF    0                                                
JRNL        AUTH   N.A.LARONDE-LEBLANC,C.WOLBERGER                              
JRNL        TITL   STRUCTURE OF HOXA9 AND PBX1 BOUND TO DNA: HOX                
JRNL        TITL 2 HEXAPEPTIDE AND DNA RECOGNITION ANTERIOR TO                  
JRNL        TITL 3 POSTERIOR                                                    
JRNL        REF    GENES DEV.                    V.  17  2060 2003              
JRNL        REFN                   ISSN 0890-9369                               
JRNL        PMID   12923056                                                     
JRNL        DOI    10.1101/GAD.1103303                                          
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,             
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.97                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1537852.390                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 28839                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM IN CNS                   
REMARK   3   R VALUE            (WORKING SET) : 0.233                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2873                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 93.50                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4155                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3220                       
REMARK   3   BIN FREE R VALUE                    : 0.3550                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 456                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.017                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1268                                    
REMARK   3   NUCLEIC ACID ATOMS       : 814                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 247                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 31.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 48.70                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -2.44000                                             
REMARK   3    B22 (A**2) : -8.53000                                             
REMARK   3    B33 (A**2) : 10.98000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.29                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.26                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.35                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.28                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.43                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 18.50                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.37                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.540 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.480 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.970 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.980 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION_REP.PARAM                                  
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1PUF COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-JUN-03.                  
REMARK 100 THE RCSB ID CODE IS RCSB019574.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-SEP-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X4A                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9116                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 28839                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.6                               
REMARK 200  DATA REDUNDANCY                : 4.300                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 20.00                    
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.80                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.26000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1B72                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.45                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.03                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, HEPES, COBALTIC HEXAMINE,      
REMARK 280  DITHIOTHRIETOL, EDTA, PH 7.5, VAPOR DIFFUSION, HANGING DROP,        
REMARK 280  TEMPERATURE 292K, PH 7.50                                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.08500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.08500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       30.38450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       57.42650            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       30.38450            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       57.42650            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       54.08500            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       30.38450            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       57.42650            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       54.08500            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       30.38450            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       57.42650            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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: TETRAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, A, B                            
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER;            
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASN A 227    CG   OD1  ND2                                       
REMARK 470     TYR A 236    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     GLU A 237    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 240    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 265    CG   CD   CE   NZ                                   
REMARK 470     ASP A 266    CG   OD1  OD2                                       
REMARK 470     LYS A 269    CG   CD   CE   NZ                                   
REMARK 470     GLU B 246    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 250    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 263    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 297    CG   CD   CE   NZ                                   
REMARK 470     GLU B 300    CB   CG   CD   OE1  OE2                             
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   OE1  GLU A   221     O    HOH A   320              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 A   317     O    HOH A   317     3555     2.14            
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     DT D  12   O3' -  P   -  OP2 ANGL. DEV. =   8.6 DEGREES          
REMARK 500     DC D  14   O3' -  P   -  OP2 ANGL. DEV. =   7.6 DEGREES          
REMARK 500     DC D  17   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500     DA E  37   C5' -  C4' -  C3' ANGL. DEV. = -13.0 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 A 204       -2.23    -52.48                                   
REMARK 500    ASN B 258       73.44   -172.29                                   
REMARK 500    GLU B 300      -44.50     85.10                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DT D  11         0.08    SIDE_CHAIN                              
REMARK 500     DC D  17         0.10    SIDE_CHAIN                              
REMARK 500     DC E  24         0.08    SIDE_CHAIN                              
REMARK 500     DA E  37         0.09    SIDE_CHAIN                              
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 B 338        DISTANCE =  5.58 ANGSTROMS                       
REMARK 525    HOH E  79        DISTANCE =  5.45 ANGSTROMS                       
REMARK 525    HOH E  84        DISTANCE =  8.02 ANGSTROMS                       
REMARK 525    HOH B 350        DISTANCE =  8.67 ANGSTROMS                       
REMARK 525    HOH B 353        DISTANCE =  5.23 ANGSTROMS                       
REMARK 525    HOH A 318        DISTANCE =  5.28 ANGSTROMS                       
REMARK 525    HOH B 354        DISTANCE =  5.76 ANGSTROMS                       
REMARK 525    HOH A 323        DISTANCE =  6.63 ANGSTROMS                       
REMARK 525    HOH A 326        DISTANCE =  7.61 ANGSTROMS                       
REMARK 525    HOH B 364        DISTANCE = 10.05 ANGSTROMS                       
REMARK 525    HOH B 365        DISTANCE =  7.92 ANGSTROMS                       
REMARK 525    HOH B 368        DISTANCE =  5.82 ANGSTROMS                       
REMARK 525    HOH A 333        DISTANCE =  6.08 ANGSTROMS                       
REMARK 525    HOH A 335        DISTANCE =  7.31 ANGSTROMS                       
REMARK 525    HOH A 339        DISTANCE =  5.48 ANGSTROMS                       
DBREF  1PUF A  193   269  UNP    P09631   HXA9_MOUSE     193    269             
DBREF  1PUF B  233   305  UNP    P40424   PBX1_HUMAN     233    305             
DBREF  1PUF D    1    20  PDB    1PUF     1PUF             1     20             
DBREF  1PUF E   21    40  PDB    1PUF     1PUF            21     40             
SEQRES   1 D   20   DA  DC  DT  DC  DT  DA  DT  DG  DA  DT  DT  DT  DA          
SEQRES   2 D   20   DC  DG  DA  DC  DG  DC  DT                                  
SEQRES   1 E   20   DT  DA  DG  DC  DG  DT  DC  DG  DT  DA  DA  DA  DT          
SEQRES   2 E   20   DC  DA  DT  DA  DG  DA  DG                                  
SEQRES   1 A   77  ASN ASN PRO ALA ALA ASN TRP LEU HIS ALA ARG SER THR          
SEQRES   2 A   77  ARG LYS LYS ARG CYS PRO TYR THR LYS HIS GLN THR LEU          
SEQRES   3 A   77  GLU LEU GLU LYS GLU PHE LEU PHE ASN MET TYR LEU THR          
SEQRES   4 A   77  ARG ASP ARG ARG TYR GLU VAL ALA ARG LEU LEU ASN LEU          
SEQRES   5 A   77  THR GLU ARG GLN VAL LYS ILE TRP PHE GLN ASN ARG ARG          
SEQRES   6 A   77  MET LYS MET LYS LYS ILE ASN LYS ASP ARG ALA LYS              
SEQRES   1 B   73  ALA ARG ARG LYS ARG ARG ASN PHE ASN LYS GLN ALA THR          
SEQRES   2 B   73  GLU ILE LEU ASN GLU TYR PHE TYR SER HIS LEU SER ASN          
SEQRES   3 B   73  PRO TYR PRO SER GLU GLU ALA LYS GLU GLU LEU ALA LYS          
SEQRES   4 B   73  LYS CYS GLY ILE THR VAL SER GLN VAL SER ASN TRP PHE          
SEQRES   5 B   73  GLY ASN LYS ARG ILE ARG TYR LYS LYS ASN ILE GLY LYS          
SEQRES   6 B   73  PHE GLN GLU GLU ALA ASN ILE TYR                              
FORMUL   5  HOH   *247(H2 O)                                                    
HELIX    1   1 THR A  213  ASN A  227  1                                  15    
HELIX    2   2 THR A  231  ASN A  243  1                                  13    
HELIX    3   3 THR A  245  ALA A  268  1                                  24    
HELIX    4   4 ASN B  241  HIS B  255  1                                  15    
HELIX    5   5 SER B  262  GLY B  274  1                                  13    
HELIX    6   6 THR B  276  ASN B  294  1                                  19    
HELIX    7   7 GLU B  300  TYR B  305  1                                   6    
CRYST1   60.769  114.853  108.170  90.00  90.00  90.00 C 2 2 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      0.016456  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008707  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009245        0.00000