PDB Short entry for 1A1A
HEADER    COMPLEX (TRANSFERASE/PEPTIDE)           10-DEC-97   1A1A              
TITLE     C-SRC (SH2 DOMAIN WITH C188A MUTATION) COMPLEXED WITH ACE-FORMYL      
TITLE    2 PHOSPHOTYR-GLU-(N,N-DIPENTYL AMINE)                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: C-SRC TYROSINE KINASE;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: SH2 DOMAIN;                                                
COMPND   5 EC: 2.7.1.112;                                                       
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: ACE-FORMYL PHOSPHOTYR-GLU-(N,N-DIPENTYL AMINE);            
COMPND  10 CHAIN: C, D;                                                         
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   6 GENE: SRC;                                                           
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE  10 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET11B;                                   
SOURCE  12 EXPRESSION_SYSTEM_GENE: SRC;                                         
SOURCE  13 MOL_ID: 2                                                            
KEYWDS    COMPLEX (TRANSFERASE-PEPTIDE), COMPLEX (TRANSFERASE-PEPTIDE) COMPLEX  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.SHEWCHUK,S.JORDAN                                                   
REVDAT   4   07-MAR-18 1A1A    1       REMARK                                   
REVDAT   3   10-AUG-11 1A1A    1       LINK   VERSN                             
REVDAT   2   24-FEB-09 1A1A    1       VERSN                                    
REVDAT   1   08-APR-98 1A1A    0                                                
JRNL        AUTH   P.S.CHARIFSON,L.M.SHEWCHUK,W.ROCQUE,C.W.HUMMEL,S.R.JORDAN,   
JRNL        AUTH 2 C.MOHR,G.J.PACOFSKY,M.R.PEEL,M.RODRIGUEZ,D.D.STERNBACH,      
JRNL        AUTH 3 T.G.CONSLER                                                  
JRNL        TITL   PEPTIDE LIGANDS OF PP60(C-SRC) SH2 DOMAINS: A THERMODYNAMIC  
JRNL        TITL 2 AND STRUCTURAL STUDY.                                        
JRNL        REF    BIOCHEMISTRY                  V.  36  6283 1997              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   9174343                                                      
JRNL        DOI    10.1021/BI970019N                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 100000.000                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 16781                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.10                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1740                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 194                                     
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  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.017                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.440                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.06                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.300                           
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) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : UNRESTRAINED                                            
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  : PARAM19X.PRO                                   
REMARK   3  PARAMETER FILE  2  : PARAM19.PTA                                    
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPH19X.PRO                                    
REMARK   3  TOPOLOGY FILE  2   : TOPH19.PTA                                     
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: PARTIALLY REFINED                         
REMARK   4                                                                      
REMARK   4 1A1A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170268.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : SEP-94                             
REMARK 200  TEMPERATURE           (KELVIN) : 103                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : SIEMENS                            
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : COLLIMATOR                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IIC                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : R-AXIS                             
REMARK 200  DATA SCALING SOFTWARE          : R-AXIS                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18250                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.8                               
REMARK 200  DATA REDUNDANCY                : 2.700                              
REMARK 200  R MERGE                    (I) : 0.06400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.6800                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.25                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.99                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.13200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1SHD                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 1.0 M      
REMARK 280  LI2SO4, 2% PEG8000 AT 4C. THE CRYSTAL WAS SOAKED IN 25% GLYCEROL    
REMARK 280  PRIOR TO DATA COLLECTION., PH 8.0, TEMPERATURE 277K                 
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       25.70000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       37.30000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       32.70000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       37.30000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       25.70000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       32.70000            
REMARK 290   SMTRY3   4  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: A, C, B, 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     MET A   143                                                      
REMARK 465     MET B   143                                                      
REMARK 465     ASP B   144                                                      
REMARK 465     SER B   145                                                      
REMARK 465     ILE B   146                                                      
REMARK 465     GLN B   147                                                      
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     ASP A 144    CG   OD1  OD2                                       
REMARK 470     LYS A 184    CG   CD   CE   NZ                                   
REMARK 470     ASN A 196    CG   OD1  ND2                                       
REMARK 470     LYS A 198    CG   CD   CE   NZ                                   
REMARK 470     GLU B 169    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 184    CG   CD   CE   NZ                                   
REMARK 470     ASN B 196    CG   OD1  ND2                                       
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   HH   TYR A   152     H2   HOH A   506              0.82            
REMARK 500  HH11  ARG A   208     H2   HOH A   580              0.87            
REMARK 500   H1   HOH A   529     H1   HOH A   544              1.03            
REMARK 500   H    GLN A   222     H2   HOH A   581              1.05            
REMARK 500   HG   SER A   188     CF   PTH C   101              1.05            
REMARK 500   H    LEU B   226     H2   HOH B   556              1.10            
REMARK 500   H    ASP A   238     H1   HOH A   642              1.10            
REMARK 500   HG   SER A   145     H2   HOH A   664              1.12            
REMARK 500   H    ARG B   243     H1   HOH B   539              1.13            
REMARK 500   HZ2  LYS A   209     H1   HOH A   659              1.14            
REMARK 500   H2   HOH A   604     H1   HOH C   603              1.16            
REMARK 500   HH   TYR A   216     H1   HOH A   519              1.19            
REMARK 500   H1   HOH A   516     H2   HOH B   635              1.21            
REMARK 500   H    ILE A   217     H2   HOH A   518              1.22            
REMARK 500   H    LYS B   209     H2   HOH B   630              1.23            
REMARK 500   H    ILE B   217     H1   HOH B   537              1.24            
REMARK 500   HZ2  LYS B   206     H2   HOH B   688              1.24            
REMARK 500  HH21  ARG B   159     H1   HOH B   658              1.24            
REMARK 500   H    VAL A   247     H1   HOH A   565              1.27            
REMARK 500   H1   HOH A   578     H2   HOH A   605              1.27            
REMARK 500   H    PTH D   101     H1   HOH D   587              1.27            
REMARK 500   H    ALA B   237     H2   HOH B   634              1.35            
REMARK 500   HZ3  LYS A   209     H2   HOH A   636              1.35            
REMARK 500   OG   SER A   188     CF   PTH C   101              1.40            
REMARK 500   HZ3  LYS A   206     O    HOH A   657              1.59            
REMARK 500   O    HOH A   550     O    HOH B   669              2.12            
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  HD22  ASN B   224     O    HOH A   529     4456     0.67            
REMARK 500  HH12  ARG B   159     H1   HOH A   503     3745     0.91            
REMARK 500   O    GLU A   169    HH22  ARG B   172     4456     0.97            
REMARK 500  HD22  ASN B   224     H1   HOH A   529     4456     1.16            
REMARK 500   O    SER A   219     HE   ARG B   208     2654     1.26            
REMARK 500  HH12  ARG B   159     O    HOH A   503     3745     1.35            
REMARK 500   ND2  ASN B   224     O    HOH A   529     4456     1.40            
REMARK 500   OH   TYR B   216     H1   HOH A   521     2655     1.56            
REMARK 500   O    ASN B   224     H2   HOH A   544     4456     1.57            
REMARK 500   O    HOH A   665     O    HOH B   589     3755     1.65            
REMARK 500   O    GLU A   169     NH2  ARG B   172     4456     1.86            
REMARK 500   OH   TYR B   216     O    HOH A   521     2655     1.98            
REMARK 500   O    HOH A   693     O    HOH B   538     4556     2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    SER A 188   CB    SER A 188   OG      0.081                       
REMARK 500    HIS A 204   NE2   HIS A 204   CD2    -0.083                       
REMARK 500    HIS A 242   NE2   HIS A 242   CD2    -0.077                       
REMARK 500    HIS B 204   NE2   HIS B 204   CD2    -0.071                       
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    TRP A 151   CD1 -  CG  -  CD2 ANGL. DEV. =   6.6 DEGREES          
REMARK 500    TRP A 151   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.2 DEGREES          
REMARK 500    ARG A 158   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500    ARG A 158   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.4 DEGREES          
REMARK 500    TRP B 151   CD1 -  CG  -  CD2 ANGL. DEV. =   7.8 DEGREES          
REMARK 500    TRP B 151   CB  -  CG  -  CD1 ANGL. DEV. =  -7.8 DEGREES          
REMARK 500    TRP B 151   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    TRP B 151   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.5 DEGREES          
REMARK 500    ARG B 158   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.9 DEGREES          
REMARK 500    GLU B 169   CA  -  C   -  N   ANGL. DEV. = -14.8 DEGREES          
REMARK 500    ARG B 208   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 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    ALA A 197      -44.81   -165.61                                   
REMARK 500    THR A 245      -82.02   -110.67                                   
REMARK 500    ASN B 167       68.77   -105.46                                   
REMARK 500    ALA B 168     -150.97   -179.84                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    LEU A 176         12.87                                           
REMARK 500    GLU B 169         22.52                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACE C 100                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACE D 100                 
DBREF  1A1A A  144   249  UNP    P12931   SRC_HUMAN      143    248             
DBREF  1A1A B  144   249  UNP    P12931   SRC_HUMAN      143    248             
DBREF  1A1A C  100   103  PDB    1A1A     1A1A           100    103             
DBREF  1A1A D  100   103  PDB    1A1A     1A1A           100    103             
SEQADV 1A1A SER A  188  UNP  P12931    CYS   187 ENGINEERED                     
SEQADV 1A1A SER B  188  UNP  P12931    CYS   187 ENGINEERED                     
SEQRES   1 A  107  MET ASP SER ILE GLN ALA GLU GLU TRP TYR PHE GLY LYS          
SEQRES   2 A  107  ILE THR ARG ARG GLU SER GLU ARG LEU LEU LEU ASN ALA          
SEQRES   3 A  107  GLU ASN PRO ARG GLY THR PHE LEU VAL ARG GLU SER GLU          
SEQRES   4 A  107  THR THR LYS GLY ALA TYR SER LEU SER VAL SER ASP PHE          
SEQRES   5 A  107  ASP ASN ALA LYS GLY LEU ASN VAL LYS HIS TYR LYS ILE          
SEQRES   6 A  107  ARG LYS LEU ASP SER GLY GLY PHE TYR ILE THR SER ARG          
SEQRES   7 A  107  THR GLN PHE ASN SER LEU GLN GLN LEU VAL ALA TYR TYR          
SEQRES   8 A  107  SER LYS HIS ALA ASP GLY LEU CYS HIS ARG LEU THR THR          
SEQRES   9 A  107  VAL CYS PRO                                                  
SEQRES   1 C    4  ACE PTH GLU DIP                                              
SEQRES   1 B  107  MET ASP SER ILE GLN ALA GLU GLU TRP TYR PHE GLY LYS          
SEQRES   2 B  107  ILE THR ARG ARG GLU SER GLU ARG LEU LEU LEU ASN ALA          
SEQRES   3 B  107  GLU ASN PRO ARG GLY THR PHE LEU VAL ARG GLU SER GLU          
SEQRES   4 B  107  THR THR LYS GLY ALA TYR SER LEU SER VAL SER ASP PHE          
SEQRES   5 B  107  ASP ASN ALA LYS GLY LEU ASN VAL LYS HIS TYR LYS ILE          
SEQRES   6 B  107  ARG LYS LEU ASP SER GLY GLY PHE TYR ILE THR SER ARG          
SEQRES   7 B  107  THR GLN PHE ASN SER LEU GLN GLN LEU VAL ALA TYR TYR          
SEQRES   8 B  107  SER LYS HIS ALA ASP GLY LEU CYS HIS ARG LEU THR THR          
SEQRES   9 B  107  VAL CYS PRO                                                  
SEQRES   1 D    4  ACE PTH GLU DIP                                              
MODRES 1A1A PTH C  101  TYR  CE1-METHYLENE-HYDROXY-PHOSPHOTYROSINE              
MODRES 1A1A PTH D  101  TYR  CE1-METHYLENE-HYDROXY-PHOSPHOTYROSINE              
HET    ACE  C 100       3                                                       
HET    PTH  C 101      20                                                       
HET    DIP  C 103      11                                                       
HET    ACE  D 100       3                                                       
HET    PTH  D 101      20                                                       
HET    DIP  D 103      11                                                       
HETNAM     ACE ACETYL GROUP                                                     
HETNAM     PTH CE1-METHYLENE-HYDROXY-PHOSPHOTYROSINE                            
HETNAM     DIP DIPENTYLAMINE                                                    
FORMUL   2  ACE    2(C2 H4 O)                                                   
FORMUL   2  PTH    2(C10 H14 N O7 P)                                            
FORMUL   2  DIP    2(C10 H23 N)                                                 
FORMUL   5  HOH   *194(H2 O)                                                    
HELIX    1   1 SER A  145  ALA A  148  5                                   4    
HELIX    2   2 ARG A  158  LEU A  165  1                                   8    
HELIX    3   3 LEU A  226  LYS A  235  1                                  10    
HELIX    4   4 ARG B  158  LEU B  165  1                                   8    
HELIX    5   5 LEU B  226  LYS B  235  1                                  10    
SHEET    1   A 3 PHE A 175  GLU A 179  0                                        
SHEET    2   A 3 TYR A 187  ASP A 195 -1  N  SER A 190   O  LEU A 176           
SHEET    3   A 3 GLY A 199  ILE A 207 -1  N  ILE A 207   O  TYR A 187           
SHEET    1   B 3 PHE B 175  GLU B 179  0                                        
SHEET    2   B 3 TYR B 187  ASP B 195 -1  N  SER B 190   O  LEU B 176           
SHEET    3   B 3 GLY B 199  ILE B 207 -1  N  ILE B 207   O  TYR B 187           
LINK         C   ACE C 100                 N   PTH C 101     1555   1555  1.33  
LINK         C   PTH C 101                 N   GLU C 102     1555   1555  1.33  
LINK         N   DIP C 103                 C   GLU C 102     1555   1555  1.38  
LINK         C   ACE D 100                 N   PTH D 101     1555   1555  1.34  
LINK         C   PTH D 101                 N   GLU D 102     1555   1555  1.33  
LINK         N   DIP D 103                 C   GLU D 102     1555   1555  1.35  
SITE     1 AC1  4 ARG A 158  HOH C 500  HOH B 577  HOH B 669                    
SITE     1 AC2  5 ARG B 158  HOH A 525  HOH B 534  HOH D 587                    
SITE     2 AC2  5 HOH B 588                                                     
CRYST1   51.400   65.400   74.600  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      0.019455  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015291  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013405        0.00000                         
MTRIX1   1 -0.786600  0.290600 -0.544800       98.50270    1                    
MTRIX2   1  0.268200  0.955600  0.122400       -0.33460    1                    
MTRIX3   1  0.556100 -0.049800 -0.829600       29.40450    1