GenomeNet

Database: PDB
Entry: 5MNX
LinkDB: 5MNX
Original site: 5MNX 
HEADER    HYDROLASE                               13-DEC-16   5MNX              
TITLE     NEUTRON STRUCTURE OF CATIONIC TRYPSIN IN COMPLEX WITH 2-AMINOPYRIDINE 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CATIONIC TRYPSIN;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: BETA-TRYPSIN;                                               
COMPND   5 EC: 3.4.21.4                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE;                                             
SOURCE   4 ORGANISM_TAXID: 9913                                                 
KEYWDS    HYDROGEN BONDING, PROTONATION, PROTEIN-LIGAND INTERACTION, HYDROLASE  
EXPDTA    NEUTRON DIFFRACTION                                                   
AUTHOR    J.SCHIEBEL,T.E.SCHRADER,A.OSTERMANN,A.HEINE,G.KLEBE                   
REVDAT   4   17-JAN-24 5MNX    1       REMARK                                   
REVDAT   3   14-NOV-18 5MNX    1       REMARK                                   
REVDAT   2   23-AUG-17 5MNX    1       ATOM                                     
REVDAT   1   24-MAY-17 5MNX    0                                                
JRNL        AUTH   J.SCHIEBEL,R.GASPARI,A.SANDNER,K.NGO,H.D.GERBER,A.CAVALLI,   
JRNL        AUTH 2 A.OSTERMANN,A.HEINE,G.KLEBE                                  
JRNL        TITL   CHARGES SHIFT PROTONATION: NEUTRON DIFFRACTION REVEALS THAT  
JRNL        TITL 2 ANILINE AND 2-AMINOPYRIDINE BECOME PROTONATED UPON BINDING   
JRNL        TITL 3 TO TRYPSIN.                                                  
JRNL        REF    ANGEW. CHEM. INT. ED. ENGL.   V.  56  4887 2017              
JRNL        REFN                   ESSN 1521-3773                               
JRNL        PMID   28371253                                                     
JRNL        DOI    10.1002/ANIE.201701038                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.42 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (DEV_2429)                                    
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 : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.42                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 22.17                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.350                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 38107                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.168                           
REMARK   3   R VALUE            (WORKING SET) : 0.166                           
REMARK   3   FREE R VALUE                     : 0.206                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.020                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1913                            
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 22.1683 -  3.4188    0.99     3022   146  0.1493 0.1655        
REMARK   3     2  3.4188 -  2.7152    0.99     2910   129  0.1573 0.1817        
REMARK   3     3  2.7152 -  2.3724    0.97     2798   145  0.1381 0.1621        
REMARK   3     4  2.3724 -  2.1557    0.89     2530   135  0.1413 0.1867        
REMARK   3     5  2.1557 -  2.0013    0.94     2679   135  0.1410 0.1845        
REMARK   3     6  2.0013 -  1.8834    0.94     2649   153  0.1470 0.1986        
REMARK   3     7  1.8834 -  1.7891    0.95     2663   151  0.1574 0.1948        
REMARK   3     8  1.7891 -  1.7112    0.95     2714   128  0.1677 0.2519        
REMARK   3     9  1.7112 -  1.6454    0.94     2637   146  0.1718 0.2333        
REMARK   3    10  1.6454 -  1.5886    0.91     2589   126  0.2177 0.2487        
REMARK   3    11  1.5886 -  1.5390    0.89     2502   135  0.2089 0.2652        
REMARK   3    12  1.5390 -  1.4950    0.85     2377   149  0.2162 0.2665        
REMARK   3    13  1.4950 -  1.4556    0.80     2217   138  0.2527 0.3144        
REMARK   3    14  1.4556 -  1.4201    0.68     1907    97  0.3383 0.3769        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
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)     : 0.160            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 18.610           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.005           3622                                  
REMARK   3   ANGLE     :  0.980           6201                                  
REMARK   3   CHIRALITY :  0.085            256                                  
REMARK   3   PLANARITY :  0.006            791                                  
REMARK   3   DIHEDRAL  : 11.602            911                                  
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 5MNX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-DEC-16.                  
REMARK 100 THE DEPOSITION ID IS D_1200002712.                                   
REMARK 230                                                                      
REMARK 230 EXPERIMENTAL DETAILS                                                 
REMARK 230  EXPERIMENT TYPE                : NEUTRON DIFFRACTION                
REMARK 230  DATE OF DATA COLLECTION        : 25-JUL-15                          
REMARK 230  TEMPERATURE           (KELVIN) : 295.0                              
REMARK 230  PH                             : 7.50                               
REMARK 230  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 230                                                                      
REMARK 230  NEUTRON SOURCE                 : NUCLEAR REACTOR                    
REMARK 230  BEAMLINE                       : BIODIFF                            
REMARK 230  WAVELENGTH OR RANGE        (A) : 2.675                              
REMARK 230  MONOCHROMATOR                  : NULL                               
REMARK 230  OPTICS                         : NULL                               
REMARK 230                                                                      
REMARK 230  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 230  DETECTOR MANUFACTURER          : MAATEL BIODIFF                     
REMARK 230  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 230  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 230                                                                      
REMARK 230  NUMBER OF UNIQUE REFLECTIONS   : 38142                              
REMARK 230  RESOLUTION RANGE HIGH      (A) : 1.420                              
REMARK 230  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 230  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 230                                                                      
REMARK 230 OVERALL.                                                             
REMARK 230  COMPLETENESS FOR RANGE     (%) : 90.7                               
REMARK 230  DATA REDUNDANCY                : 2.600                              
REMARK 230  R MERGE                    (I) : 0.09400                            
REMARK 230  R SYM                      (I) : NULL                               
REMARK 230  <I/SIGMA(I)> FOR THE DATA SET  : 8.4930                             
REMARK 230                                                                      
REMARK 230 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 230  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.42                     
REMARK 230  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.45                     
REMARK 230  COMPLETENESS FOR SHELL     (%) : 69.9                               
REMARK 230  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 230  R MERGE FOR SHELL          (I) : 0.41400                            
REMARK 230  R SYM FOR SHELL            (I) : NULL                               
REMARK 230  <I/SIGMA(I)> FOR SHELL         : 2.051                              
REMARK 230                                                                      
REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 230 SOFTWARE USED : PHASER                                               
REMARK 230 STARTING MODEL: 4I8H                                                 
REMARK 230                                                                      
REMARK 230 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): NULL                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 0.1 M HEPES PH   
REMARK 280  7.5, 16% (W/V) PEG 8000, VAPOR DIFFUSION, SITTING DROP,             
REMARK 280  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       27.54800            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       33.81550            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.35050            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       33.81550            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.54800            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.35050            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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     SER A  61    CB   OG                                             
REMARK 470     LYS A 109    CG   CD   CE   NZ                                   
REMARK 470     SER A 113    OG                                                  
REMARK 470     SER A 122    OG                                                  
REMARK 470     SER A 127    OG                                                  
REMARK 470     LYS A 145    CD   CE   NZ                                        
REMARK 470     SER A 146    OG                                                  
REMARK 470     THR A 149    OG1  CG2                                            
REMARK 470     SER A 166    OG                                                  
REMARK 470     SER A 167    OG                                                  
REMARK 470     LYS A 169    CE   NZ                                             
REMARK 470     SER A 170    OG                                                  
REMARK 470     GLU A 186    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 188A   CE   NZ                                             
REMARK 470     GLN A 192    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 204    CE   NZ                                             
REMARK 470     LYS A 222    CD   CE   NZ                                        
REMARK 470     SER A 236    OG                                                  
REMARK 470     LYS A 239    CE   NZ                                             
REMARK 470     GLN A 240    CG   CD   OE1  NE2                                  
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   OD1  ASP A   153     D1   DOD A   405              1.54            
REMARK 500   OE1  GLU A    77     D2   DOD A   410              1.59            
REMARK 500   OD1  ASP A   189     D2   DOD A   411              1.60            
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   HH   TYR A    59     OD1  ASP A   153     4545     1.54            
REMARK 500   DH   TYR A    59     OD1  ASP A   153     4545     1.54            
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    ASP A  71      -77.07   -119.51                                   
REMARK 500    ASN A 115     -157.51   -143.20                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 301  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  70   OE1                                                    
REMARK 620 2 ASN A  72   O    91.5                                              
REMARK 620 3 VAL A  75   O   167.3  82.7                                        
REMARK 620 4 GLU A  80   OE2 100.1 158.0  89.2                                  
REMARK 620 5 DOD A 410   O    86.8  86.6 104.0  75.6                            
REMARK 620 6 DOD A 453   O    80.8 101.6  89.3  98.7 165.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue 2AP A 302                 
DBREF  5MNX A   16   245  UNP    P00760   TRY1_BOVIN      24    246             
SEQRES   1 A  223  ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO          
SEQRES   2 A  223  TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY          
SEQRES   3 A  223  GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA          
SEQRES   4 A  223  HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU          
SEQRES   5 A  223  ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE          
SEQRES   6 A  223  SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER          
SEQRES   7 A  223  ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS          
SEQRES   8 A  223  SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER          
SEQRES   9 A  223  LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU          
SEQRES  10 A  223  ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER          
SEQRES  11 A  223  TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU          
SEQRES  12 A  223  SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE          
SEQRES  13 A  223  THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY          
SEQRES  14 A  223  LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL          
SEQRES  15 A  223  CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER          
SEQRES  16 A  223  GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS          
SEQRES  17 A  223  VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA          
SEQRES  18 A  223  SER ASN                                                      
HET     CA  A 301       1                                                       
HET    2AP  A 302      12                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     2AP 2-AMINOPYRIDINE                                                  
FORMUL   2   CA    CA 2+                                                        
FORMUL   3  2AP    C5 H7 N2 1+                                                  
FORMUL   4  DOD   *134(D2 O)                                                    
HELIX    1 AA1 ALA A   55  TYR A   59  5                                   5    
HELIX    2 AA2 SER A  164  TYR A  172  1                                   9    
HELIX    3 AA3 TYR A  234  SER A  244  1                                  11    
SHEET    1 AA1 7 TYR A  20  THR A  21  0                                        
SHEET    2 AA1 7 LYS A 156  PRO A 161 -1  O  CYS A 157   N  TYR A  20           
SHEET    3 AA1 7 GLN A 135  GLY A 140 -1  N  ILE A 138   O  LEU A 158           
SHEET    4 AA1 7 PRO A 198  CYS A 201 -1  O  VAL A 200   N  LEU A 137           
SHEET    5 AA1 7 LYS A 204  TRP A 215 -1  O  LYS A 204   N  CYS A 201           
SHEET    6 AA1 7 GLY A 226  LYS A 230 -1  O  VAL A 227   N  TRP A 215           
SHEET    7 AA1 7 MET A 180  ALA A 183 -1  N  PHE A 181   O  TYR A 228           
SHEET    1 AA2 7 GLN A  30  ASN A  34  0                                        
SHEET    2 AA2 7 HIS A  40  ASN A  48 -1  O  CYS A  42   N  LEU A  33           
SHEET    3 AA2 7 TRP A  51  SER A  54 -1  O  VAL A  53   N  SER A  45           
SHEET    4 AA2 7 MET A 104  LEU A 108 -1  O  ILE A 106   N  VAL A  52           
SHEET    5 AA2 7 GLN A  81  VAL A  90 -1  N  ILE A  89   O  LEU A 105           
SHEET    6 AA2 7 GLN A  64  LEU A  67 -1  N  VAL A  65   O  ILE A  83           
SHEET    7 AA2 7 GLN A  30  ASN A  34 -1  N  SER A  32   O  ARG A  66           
SSBOND   1 CYS A   22    CYS A  157                          1555   1555  2.03  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.03  
SSBOND   3 CYS A  128    CYS A  232                          1555   1555  2.03  
SSBOND   4 CYS A  136    CYS A  201                          1555   1555  2.04  
SSBOND   5 CYS A  168    CYS A  182                          1555   1555  2.03  
SSBOND   6 CYS A  191    CYS A  220                          1555   1555  2.03  
LINK         OE1 GLU A  70                CA    CA A 301     1555   1555  2.28  
LINK         O   ASN A  72                CA    CA A 301     1555   1555  2.29  
LINK         O   VAL A  75                CA    CA A 301     1555   1555  2.23  
LINK         OE2 GLU A  80                CA    CA A 301     1555   1555  2.38  
LINK        CA    CA A 301                 O   DOD A 410     1555   1555  2.42  
LINK        CA    CA A 301                 O   DOD A 453     1555   1555  2.26  
SITE     1 AC1  6 GLU A  70  ASN A  72  VAL A  75  GLU A  80                    
SITE     2 AC1  6 DOD A 410  DOD A 453                                          
SITE     1 AC2  5 ASP A 189  SER A 190  GLY A 216  GLY A 219                    
SITE     2 AC2  5 GLY A 226                                                     
CRYST1   55.096   58.701   67.631  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      0.018150  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017035  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014786        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system