PDB Short entry for 4NXR
HEADER    SIGNALING PROTEIN/PEPTIDE               09-DEC-13   4NXR              
TITLE     CRYSTAL STRUCTURE OF T-CELL LYMPHOMA INVASION AND METASTASIS-1 PDZ    
TITLE    2 DOMAIN QUADRUPLE MUTANT (QM) IN COMPLEX WITH NEUREXIN-1 PEPTIDE      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: T-LYMPHOMA INVASION AND METASTASIS-INDUCING PROTEIN 1;     
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: PDZ DOMAIN;                                                
COMPND   5 SYNONYM: TIAM-1;                                                     
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: NEUREXIN-2-BETA PEPTIDE;                                   
COMPND  10 CHAIN: B;                                                            
COMPND  11 FRAGMENT: UNP RESIDUE 659-666;                                       
COMPND  12 SYNONYM: NEUREXIN II-BETA PEPTIDE;                                   
COMPND  13 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 STRAIN: HUMAN;                                                       
SOURCE   6 GENE: TIAM1;                                                         
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET21A-6HIS-RTEV;                         
SOURCE  12 MOL_ID: 2;                                                           
SOURCE  13 SYNTHETIC: YES;                                                      
SOURCE  14 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  15 ORGANISM_COMMON: HUMAN;                                              
SOURCE  16 ORGANISM_TAXID: 9606                                                 
KEYWDS    BETA BARREL FOLD PROTEIN, PDZ DOMAIN, PEPTIDE BINDING, SPECIFICITY    
KEYWDS   2 MUTANT, SCAFFOLD SIGNALING PROTEIN FOR CELL ADHESION AND CELL        
KEYWDS   3 JUNCTION, SIGNALING DOMAIN, SIGNALING PROTEIN-PEPTIDE COMPLEX        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    X.LIU,D.C.SPECKHARD,T.R.SHEPHERD,S.R.HENGEL,E.J.FUENTES               
REVDAT   4   20-SEP-23 4NXR    1       REMARK                                   
REVDAT   3   21-DEC-22 4NXR    1       REMARK SEQADV                            
REVDAT   2   15-FEB-17 4NXR    1       JRNL                                     
REVDAT   1   13-MAY-15 4NXR    0                                                
JRNL        AUTH   X.LIU,D.C.SPECKHARD,T.R.SHEPHERD,Y.J.SUN,S.R.HENGEL,L.YU,    
JRNL        AUTH 2 C.A.FOWLER,L.GAKHAR,E.J.FUENTES                              
JRNL        TITL   DISTINCT ROLES FOR CONFORMATIONAL DYNAMICS IN PROTEIN-LIGAND 
JRNL        TITL 2 INTERACTIONS.                                                
JRNL        REF    STRUCTURE                     V.  24  2053 2016              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   27998539                                                     
JRNL        DOI    10.1016/J.STR.2016.08.019                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8.4_1496)                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.06                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.640                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 6821                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.149                           
REMARK   3   R VALUE            (WORKING SET) : 0.147                           
REMARK   3   FREE R VALUE                     : 0.195                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.560                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 311                             
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 39.0661 -  3.0157    1.00     2981   150  0.1320 0.1459        
REMARK   3     2  3.0157 -  2.3938    1.00     2953   140  0.1630 0.2248        
REMARK   3     3  2.3938 -  2.0912    1.00     2998   151  0.1532 0.2427        
REMARK   3     4  2.0912 -  1.9000    0.96     2881   124  0.1537 0.2334        
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)     : 0.150            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.870           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 11.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.008            832                                  
REMARK   3   ANGLE     :  1.157           1118                                  
REMARK   3   CHIRALITY :  0.045            120                                  
REMARK   3   PLANARITY :  0.005            142                                  
REMARK   3   DIHEDRAL  : 14.309            312                                  
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 4NXR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JAN-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000083788.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-DEC-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 4.2.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL SI(111)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NOIR-1                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 6821                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 39.060                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.7                               
REMARK 200  DATA REDUNDANCY                : 6.700                              
REMARK 200  R MERGE                    (I) : 0.03300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 39.7000                            
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) : 1.94                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.03500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 11.00                              
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 3KZD                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 32.61                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.83                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM ACETATE, 0.1M HEPES,         
REMARK 280  PH=7.5, 22% PEG 4000, PH 6.8, VAPOR DIFFUSION, HANGING DROP,        
REMARK 280  TEMPERATURE 291K                                                    
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       13.17900            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       30.97100            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       25.16150            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       30.97100            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       13.17900            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       25.16150            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1640 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 6410 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   N    ASN B     1     S    ANS B   100              1.51            
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    MET A 839      -76.78   -111.61                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     ANS B  100                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ANS B 100                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3KZD   RELATED DB: PDB                                   
REMARK 900 THE T-CELL LYMPHOMA INVASION AND METASTASIS-1 PDZ DOMAIN WILD TYPE   
REMARK 900 IN APO STATE                                                         
REMARK 900 RELATED ID: 3KZE   RELATED DB: PDB                                   
REMARK 900 THE T-CELL LYMPHOMA INVASION AND METASTASIS-1 PDZ DOMAIN WILD TYPE   
REMARK 900 IN MODEL PEPTIDE-BOUND STATE                                         
REMARK 900 RELATED ID: 4GVD   RELATED DB: PDB                                   
REMARK 900 THE T-CELL LYMPHOMA INVASION AND METASTASIS-1 PDZ DOMAIN WILD TYPE   
REMARK 900 IN SDC1-BOUND STATE                                                  
REMARK 900 RELATED ID: 4GVC   RELATED DB: PDB                                   
REMARK 900 THE T-CELL LYMPHOMA INVASION AND METASTASIS-1 PDZ DOMAIN WILD TYPE   
REMARK 900 IN PSDC1-BOUND STATE                                                 
REMARK 900 RELATED ID: 4NXQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4NXP   RELATED DB: PDB                                   
DBREF  4NXR A  841   930  UNP    Q13009   TIAM1_HUMAN    841    930             
DBREF  4NXR B    1     8  UNP    P58401   NRX2B_HUMAN    659    666             
SEQADV 4NXR GLY A  837  UNP  Q13009              EXPRESSION TAG                 
SEQADV 4NXR ALA A  838  UNP  Q13009              EXPRESSION TAG                 
SEQADV 4NXR MET A  839  UNP  Q13009              EXPRESSION TAG                 
SEQADV 4NXR GLY A  840  UNP  Q13009              EXPRESSION TAG                 
SEQADV 4NXR HIS A  844  UNP  Q13009    GLN   844 VARIANT                        
SEQADV 4NXR MET A  911  UNP  Q13009    LEU   911 ENGINEERED MUTATION            
SEQADV 4NXR GLU A  912  UNP  Q13009    LYS   912 ENGINEERED MUTATION            
SEQADV 4NXR PHE A  915  UNP  Q13009    LEU   915 ENGINEERED MUTATION            
SEQADV 4NXR VAL A  920  UNP  Q13009    LEU   920 ENGINEERED MUTATION            
SEQRES   1 A   94  GLY ALA MET GLY LYS VAL THR HIS SER ILE HIS ILE GLU          
SEQRES   2 A   94  LYS SER ASP THR ALA ALA ASP THR TYR GLY PHE SER LEU          
SEQRES   3 A   94  SER SER VAL GLU GLU ASP GLY ILE ARG ARG LEU TYR VAL          
SEQRES   4 A   94  ASN SER VAL LYS GLU THR GLY LEU ALA SER LYS LYS GLY          
SEQRES   5 A   94  LEU LYS ALA GLY ASP GLU ILE LEU GLU ILE ASN ASN ARG          
SEQRES   6 A   94  ALA ALA ASP ALA LEU ASN SER SER MET MET GLU ASP PHE          
SEQRES   7 A   94  PHE SER GLN PRO SER VAL GLY LEU LEU VAL ARG THR TYR          
SEQRES   8 A   94  PRO GLU LEU                                                  
SEQRES   1 B    8  ASN LYS ASP LYS GLU TYR TYR VAL                              
HET    EPE  A1001      15                                                       
HET    ANS  B 100      16                                                       
HETNAM     EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID              
HETNAM     ANS 5-(DIMETHYLAMINO)-1-NAPHTHALENESULFONIC ACID(DANSYL              
HETNAM   2 ANS  ACID)                                                           
HETSYN     EPE HEPES                                                            
HETSYN     ANS DANSYL ACID                                                      
FORMUL   3  EPE    C8 H18 N2 O4 S                                               
FORMUL   4  ANS    C12 H13 N O3 S                                               
FORMUL   5  HOH   *99(H2 O)                                                     
HELIX    1   1 SER A  851  THR A  853  5                                   3    
HELIX    2   2 GLY A  882  LYS A  887  1                                   6    
HELIX    3   3 ASP A  904  LEU A  906  5                                   3    
HELIX    4   4 ASN A  907  GLN A  917  1                                  11    
SHEET    1   A 4 VAL A 842  GLU A 849  0                                        
SHEET    2   A 4 SER A 919  THR A 926 -1  O  THR A 926   N  VAL A 842           
SHEET    3   A 4 GLU A 894  ILE A 898 -1  N  GLU A 894   O  ARG A 925           
SHEET    4   A 4 ARG A 901  ALA A 902 -1  O  ARG A 901   N  ILE A 898           
SHEET    1   B 3 ILE A 870  ASN A 876  0                                        
SHEET    2   B 3 SER A 861  GLU A 867 -1  N  SER A 861   O  ASN A 876           
SHEET    3   B 3 LYS B   2  TYR B   7 -1  O  LYS B   4   N  SER A 864           
SITE     1 AC1 12 ALA A 838  ASP A 868  GLY A 869  LYS A 879                    
SITE     2 AC1 12 GLU A 897  ASN A 900  TYR A 927  HOH A1146                    
SITE     3 AC1 12 HOH A1161  HOH A1181  TYR B   7  HOH B 203                    
SITE     1 AC2  6 ARG A 901  ASN A 907  SER A 909  ASP A 913                    
SITE     2 AC2  6 PHE A 914  ASN B   1                                          
CRYST1   26.358   50.323   61.942  90.00  90.00  90.00 P 21 21 21    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      0.037939  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.019872  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016144        0.00000