HEADER    HYDROLASE                               29-APR-09   3H8S              
TITLE     STRUCTURE OF D19N T4 RNASE H IN THE PRESENCE OF DIVALENT MAGNESIUM    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: RIBONUCLEASE H;                                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: RNASE H;                                                    
COMPND   5 EC: 3.1.26.4;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T4;                        
SOURCE   3 ORGANISM_COMMON: BACTERIOPHAGE T4;                                   
SOURCE   4 ORGANISM_TAXID: 10665;                                               
SOURCE   5 STRAIN: T4D;                                                         
SOURCE   6 GENE: 33.2, DAS, RNH;                                                
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) PLYSS;                           
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PNN2202-D19N                              
KEYWDS    HYDROLASE, BPT4 RNASE H, 5'-3' EXONUCLEASE, ENDONUCLEASE, NUCLEASE    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.TOMANICEK,T.C.MUESER                                              
REVDAT   4   06-SEP-23 3H8S    1       REMARK                                   
REVDAT   3   13-OCT-21 3H8S    1       REMARK SEQADV LINK                       
REVDAT   2   01-NOV-17 3H8S    1       REMARK                                   
REVDAT   1   12-MAY-10 3H8S    0                                                
JRNL        AUTH   S.J.TOMANICEK,J.M.DEVOS,T.C.MUESER                           
JRNL        TITL   ADDITIONAL ORDER APPEARS IN THE ABSENCE OF METALS IN A FEN-1 
JRNL        TITL 2 PROTEIN: STRUCTURAL ANALYSIS OF MAGNESIUM BINDING TO         
JRNL        TITL 3 BACTERIOPHAGE T4 RNASEH                                      
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.51 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
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) : 2.51                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.75                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 2.590                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 45.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 10515                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.192                           
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.700                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 494                             
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 30.7560 -  3.9820    0.53     2968   138  0.1600 0.1970        
REMARK   3     2  3.9820 -  3.1620    0.51     2846   143  0.1970 0.2410        
REMARK   3     3  3.1620 -  2.7620    0.42     2330   127  0.2240 0.2680        
REMARK   3     4  2.7620 -  2.5100    0.34     1877    86  0.2150 0.2440        
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              : 0.36                                          
REMARK   3   B_SOL              : 30.44                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.280            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 28.79                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.53                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 8.71600                                              
REMARK   3    B22 (A**2) : 2.87300                                              
REMARK   3    B33 (A**2) : -11.58900                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  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      :  0.002           2393                                  
REMARK   3   ANGLE     :  0.450           3233                                  
REMARK   3   CHIRALITY :  0.034            350                                  
REMARK   3   PLANARITY :  0.002            396                                  
REMARK   3   DIHEDRAL  : 12.849            869                                  
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 3H8S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000052835.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000                    
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 10519                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 45.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 83.1                               
REMARK 200  DATA REDUNDANCY                : 3.000                              
REMARK 200  R MERGE                    (I) : 0.03500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 26.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 55.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.09800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1TFR NATIVE T4 RNASE H                     
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.45                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM NA PIPES, 200 MM MGCL2, 14% PEG   
REMARK 280  8000, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K       
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       26.65600            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       44.04500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       37.64900            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       44.04500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.65600            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       37.64900            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 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     1                                                      
REMARK 465     ASP A     2                                                      
REMARK 465     LEU A     3                                                      
REMARK 465     GLU A     4                                                      
REMARK 465     MET A     5                                                      
REMARK 465     MET A     6                                                      
REMARK 465     LEU A     7                                                      
REMARK 465     ASP A     8                                                      
REMARK 465     GLU A     9                                                      
REMARK 465     ASP A    10                                                      
REMARK 465     ASN A    89                                                      
REMARK 465     ARG A    90                                                      
REMARK 465     GLY A    91                                                      
REMARK 465     LYS A    92                                                      
REMARK 465     ALA A    93                                                      
REMARK 465     ARG A    94                                                      
REMARK 465     GLU A    95                                                      
REMARK 465     GLU A    96                                                      
REMARK 465     SER A    97                                                      
REMARK 465     LYS A   181                                                      
REMARK 465     SER A   182                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASN A 300    CG   OD1  ND2                                       
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 210       32.44    -88.21                                   
REMARK 500    LEU A 295       44.02    -98.04                                   
REMARK 500    LYS A 297       40.11    -82.93                                   
REMARK 500    LEU A 298      -15.13   -143.51                                   
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                              MG A 350  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 348   O                                                      
REMARK 620 2 HOH A 349   O    79.4                                              
REMARK 620 3 HOH A 351   O    80.2  89.4                                        
REMARK 620 4 HOH A 352   O    93.7 172.9  87.8                                  
REMARK 620 5 HOH A 353   O    90.4  88.0 170.5  93.6                            
REMARK 620 6 HOH A 354   O   170.0 105.8 108.1  81.2  81.4                      
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 MG A 350                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1TFR   RELATED DB: PDB                                   
REMARK 900 RNASE H FROM BACTERIOPHAGE T4                                        
REMARK 900 RELATED ID: 2IHN   RELATED DB: PDB                                   
REMARK 900 CO-CRYSTAL OF BACTERIOPHAGE T4 RNASE H WITH A FORK DNA SUBSTRATE     
REMARK 900 RELATED ID: 3H7I   RELATED DB: PDB                                   
REMARK 900 D132N T4 RNASE H IN THE ABSENCE OF DIVALENT METAL IONS               
REMARK 900 RELATED ID: 3H8J   RELATED DB: PDB                                   
REMARK 900 NATIVE T4 RNASE H IN THE ABSENCE OF DIVALENT METAL IONS              
REMARK 900 RELATED ID: 3H8W   RELATED DB: PDB                                   
DBREF  3H8S A    1   305  UNP    P13319   RNH_BPT4         1    305             
SEQADV 3H8S ASN A   19  UNP  P13319    ASP    19 ENGINEERED MUTATION            
SEQRES   1 A  305  MET ASP LEU GLU MET MET LEU ASP GLU ASP TYR LYS GLU          
SEQRES   2 A  305  GLY ILE CYS LEU ILE ASN PHE SER GLN ILE ALA LEU SER          
SEQRES   3 A  305  THR ALA LEU VAL ASN PHE PRO ASP LYS GLU LYS ILE ASN          
SEQRES   4 A  305  LEU SER MET VAL ARG HIS LEU ILE LEU ASN SER ILE LYS          
SEQRES   5 A  305  PHE ASN VAL LYS LYS ALA LYS THR LEU GLY TYR THR LYS          
SEQRES   6 A  305  ILE VAL LEU CYS ILE ASP ASN ALA LYS SER GLY TYR TRP          
SEQRES   7 A  305  ARG ARG ASP PHE ALA TYR TYR TYR LYS LYS ASN ARG GLY          
SEQRES   8 A  305  LYS ALA ARG GLU GLU SER THR TRP ASP TRP GLU GLY TYR          
SEQRES   9 A  305  PHE GLU SER SER HIS LYS VAL ILE ASP GLU LEU LYS ALA          
SEQRES  10 A  305  TYR MET PRO TYR ILE VAL MET ASP ILE ASP LYS TYR GLU          
SEQRES  11 A  305  ALA ASP ASP HIS ILE ALA VAL LEU VAL LYS LYS PHE SER          
SEQRES  12 A  305  LEU GLU GLY HIS LYS ILE LEU ILE ILE SER SER ASP GLY          
SEQRES  13 A  305  ASP PHE THR GLN LEU HIS LYS TYR PRO ASN VAL LYS GLN          
SEQRES  14 A  305  TRP SER PRO MET HIS LYS LYS TRP VAL LYS ILE LYS SER          
SEQRES  15 A  305  GLY SER ALA GLU ILE ASP CYS MET THR LYS ILE LEU LYS          
SEQRES  16 A  305  GLY ASP LYS LYS ASP ASN VAL ALA SER VAL LYS VAL ARG          
SEQRES  17 A  305  SER ASP PHE TRP PHE THR ARG VAL GLU GLY GLU ARG THR          
SEQRES  18 A  305  PRO SER MET LYS THR SER ILE VAL GLU ALA ILE ALA ASN          
SEQRES  19 A  305  ASP ARG GLU GLN ALA LYS VAL LEU LEU THR GLU SER GLU          
SEQRES  20 A  305  TYR ASN ARG TYR LYS GLU ASN LEU VAL LEU ILE ASP PHE          
SEQRES  21 A  305  ASP TYR ILE PRO ASP ASN ILE ALA SER ASN ILE VAL ASN          
SEQRES  22 A  305  TYR TYR ASN SER TYR LYS LEU PRO PRO ARG GLY LYS ILE          
SEQRES  23 A  305  TYR SER TYR PHE VAL LYS ALA GLY LEU SER LYS LEU THR          
SEQRES  24 A  305  ASN SER ILE ASN GLU PHE                                      
HET     MG  A 350       1                                                       
HETNAM      MG MAGNESIUM ION                                                    
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  HOH   *59(H2 O)                                                     
HELIX    1   1 PHE A   20  PHE A   32  1                                  13    
HELIX    2   2 ASN A   39  LEU A   61  1                                  23    
HELIX    3   3 TYR A   77  PHE A   82  5                                   6    
HELIX    4   4 ASP A  100  TYR A  118  1                                  19    
HELIX    5   5 GLU A  130  GLU A  145  1                                  16    
HELIX    6   6 ASP A  155  HIS A  162  5                                   8    
HELIX    7   7 GLY A  183  GLY A  196  1                                  14    
HELIX    8   8 ASP A  197  ASN A  201  5                                   5    
HELIX    9   9 ASP A  210  ARG A  215  1                                   6    
HELIX   10  10 LYS A  225  ASP A  235  1                                  11    
HELIX   11  11 ARG A  236  VAL A  241  5                                   6    
HELIX   12  12 THR A  244  ASP A  259  1                                  16    
HELIX   13  13 PHE A  260  ILE A  263  5                                   4    
HELIX   14  14 PRO A  264  SER A  277  1                                  14    
HELIX   15  15 ARG A  283  ALA A  293  1                                  11    
HELIX   16  16 LEU A  295  PHE A  305  5                                  11    
SHEET    1   A 6 ILE A 122  MET A 124  0                                        
SHEET    2   A 6 LYS A  65  CYS A  69  1  N  LEU A  68   O  MET A 124           
SHEET    3   A 6 ILE A  15  ASN A  19  1  N  CYS A  16   O  LYS A  65           
SHEET    4   A 6 ILE A 149  ILE A 152  1  O  LEU A 150   N  LEU A  17           
SHEET    5   A 6 VAL A 167  SER A 171  1  O  LYS A 168   N  ILE A 151           
SHEET    6   A 6 LYS A 176  TRP A 177 -1  O  LYS A 176   N  SER A 171           
LINK         O   HOH A 348                MG    MG A 350     1555   1555  2.19  
LINK         O   HOH A 349                MG    MG A 350     1555   1555  2.20  
LINK        MG    MG A 350                 O   HOH A 351     1555   1555  2.09  
LINK        MG    MG A 350                 O   HOH A 352     1555   1555  2.19  
LINK        MG    MG A 350                 O   HOH A 353     1555   1555  2.01  
LINK        MG    MG A 350                 O   HOH A 354     1555   1555  2.45  
SITE     1 AC1  6 HOH A 348  HOH A 349  HOH A 351  HOH A 352                    
SITE     2 AC1  6 HOH A 353  HOH A 354                                          
CRYST1   53.312   75.298   88.090  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      0.018758  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013281  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011352        0.00000