HEADER    HYDROLASE                               18-MAR-05   1Z5P              
TITLE     CRYSTAL STRUCTURE OF MTA/ADOHCY NUCLEOSIDASE WITH A LIGAND-FREE PURINE
TITLE    2 BINDING SITE                                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MTA/SAH NUCLEOSIDASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: P46; 5'-METHYLTHIOADENOSINE NUCLEOSIDASE; S-                
COMPND   5 ADENOSYLHOMOCYSTEINE NUCLEOSIDASE;                                   
COMPND   6 EC: 3.2.2.9;                                                         
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 OTHER_DETAILS: RIBOSE BINDING SITE CONTAINS GLYCEROL AND PEG         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: MTNN, MTN, PFS;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PPROEX HTA                                
KEYWDS    MIXED ALPHA/BETA, HYDROLASE                                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.E.LEE,G.D.SMITH,C.HORVATIN,D.J.T.HUANG,K.A.CORNELL,M.K.RISCOE,      
AUTHOR   2 P.L.HOWELL                                                           
REVDAT   5   23-AUG-23 1Z5P    1       REMARK SEQADV HETSYN                     
REVDAT   4   16-NOV-11 1Z5P    1       HETATM                                   
REVDAT   3   13-JUL-11 1Z5P    1       VERSN                                    
REVDAT   2   24-FEB-09 1Z5P    1       VERSN                                    
REVDAT   1   04-OCT-05 1Z5P    0                                                
JRNL        AUTH   J.E.LEE,G.D.SMITH,C.HORVATIN,D.J.T.HUANG,K.A.CORNELL,        
JRNL        AUTH 2 M.K.RISCOE,P.L.HOWELL                                        
JRNL        TITL   STRUCTURAL SNAPSHOTS OF MTA/ADOHCY NUCLEOSIDASE ALONG THE    
JRNL        TITL 2 REACTION COORDINATE PROVIDE INSIGHTS INTO ENZYME AND         
JRNL        TITL 3 NUCLEOSIDE FLEXIBILITY DURING CATALYSIS                      
JRNL        REF    J.MOL.BIOL.                   V. 352   559 2005              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   16109423                                                     
JRNL        DOI    10.1016/J.JMB.2005.07.027                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 31.27                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 999641.700                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 21178                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.206                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2089                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.13                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3078                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3280                       
REMARK   3   BIN FREE R VALUE                    : 0.3290                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.40                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 357                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.017                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1696                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 36                                      
REMARK   3   SOLVENT ATOMS            : 146                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 31.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -5.12000                                             
REMARK   3    B22 (A**2) : 6.11000                                              
REMARK   3    B33 (A**2) : -1.00000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.24                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.17                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.28                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.19                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.970                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.870 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.470 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.190 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 4.340 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 61.73                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : NATIVE2.PARAM                                  
REMARK   3  PARAMETER FILE  3  : GLYCEROL.PARAM                                 
REMARK   3  PARAMETER FILE  4  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NATIVE2.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : GLYCEROL.TOP                                   
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1Z5P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-MAR-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000032330.                                   
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                             : 7.0                                
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          : RIGAKU RU300                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : YALE MIRRORS                       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : D*TREK, CRYSTALCLEAR               
REMARK 200                                   (MSC/RIGAKU)                       
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21178                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 31.270                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : 9.800                              
REMARK 200  R MERGE                    (I) : 0.05600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
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) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.34600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS 1.1                                               
REMARK 200 STARTING MODEL: 1JYS                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.90                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PEG 2000 MME, SODIUM   
REMARK 280  HEPES, ISOPROPANOL, QX-10000024, PH 7.0, VAPOR DIFFUSION,           
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z                                         
REMARK 290       7555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       35.00500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       63.76000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       35.00500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       63.76000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       35.00500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       63.76000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       35.00500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       63.76000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED BY   
REMARK 300 THE TWO-FOLD AXIS: -X, Y, -Z                                         
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 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 350   BIOMT1   2 -1.000000  0.000000  0.000000       70.01000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       69.59000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 516  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 528  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 539  LIES ON A SPECIAL POSITION.                          
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     PHE A    -9                                                      
REMARK 465     GLN A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     ALA A    -6                                                      
REMARK 465     MET A    -5                                                      
REMARK 465     ASP A    -4                                                      
REMARK 465     PRO A    -3                                                      
REMARK 465     GLU A    -2                                                      
REMARK 465     PHE A    -1                                                      
REMARK 465     SER A     0                                                      
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     GLN A 202    CG   CD   OE1  NE2                                  
REMARK 470     HIS A 204    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLU A 209    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   509     O    HOH A   509     3656     1.20            
REMARK 500   C11  PE5 A   401     C11  PE5 A   401     3655     2.03            
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    ASN A 153       29.46   -159.52                                   
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     PE5 A  401                                                       
REMARK 610     PE5 A  402                                                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PE5 A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PE5 A 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 404                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1Z5N   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF MTA/ADOHCY NUCLEOSIDASE GLU12GLN MUTANT         
REMARK 900 COMPLEXED WITH 5-METHYLTHIORIBOSE AND ADENINE                        
REMARK 900 RELATED ID: 1Z5O   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF MTA/ADOHCY NUCLEOSIDASE ASP197ASN MUTANT        
REMARK 900 COMPLEXED WITH 5'-METHYLTHIOADENOSINE                                
DBREF  1Z5P A    1   232  UNP    P24247   MTNN_ECOLI       1    232             
SEQADV 1Z5P PHE A   -9  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P GLN A   -8  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P GLY A   -7  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P ALA A   -6  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P MET A   -5  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P ASP A   -4  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P PRO A   -3  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P GLU A   -2  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P PHE A   -1  UNP  P24247              CLONING ARTIFACT               
SEQADV 1Z5P SER A    0  UNP  P24247              CLONING ARTIFACT               
SEQRES   1 A  242  PHE GLN GLY ALA MET ASP PRO GLU PHE SER MET LYS ILE          
SEQRES   2 A  242  GLY ILE ILE GLY ALA MET GLU GLU GLU VAL THR LEU LEU          
SEQRES   3 A  242  ARG ASP LYS ILE GLU ASN ARG GLN THR ILE SER LEU GLY          
SEQRES   4 A  242  GLY CYS GLU ILE TYR THR GLY GLN LEU ASN GLY THR GLU          
SEQRES   5 A  242  VAL ALA LEU LEU LYS SER GLY ILE GLY LYS VAL ALA ALA          
SEQRES   6 A  242  ALA LEU GLY ALA THR LEU LEU LEU GLU HIS CYS LYS PRO          
SEQRES   7 A  242  ASP VAL ILE ILE ASN THR GLY SER ALA GLY GLY LEU ALA          
SEQRES   8 A  242  PRO THR LEU LYS VAL GLY ASP ILE VAL VAL SER ASP GLU          
SEQRES   9 A  242  ALA ARG TYR HIS ASP ALA ASP VAL THR ALA PHE GLY TYR          
SEQRES  10 A  242  GLU TYR GLY GLN LEU PRO GLY CYS PRO ALA GLY PHE LYS          
SEQRES  11 A  242  ALA ASP ASP LYS LEU ILE ALA ALA ALA GLU ALA CYS ILE          
SEQRES  12 A  242  ALA GLU LEU ASN LEU ASN ALA VAL ARG GLY LEU ILE VAL          
SEQRES  13 A  242  SER GLY ASP ALA PHE ILE ASN GLY SER VAL GLY LEU ALA          
SEQRES  14 A  242  LYS ILE ARG HIS ASN PHE PRO GLN ALA ILE ALA VAL GLU          
SEQRES  15 A  242  MET GLU ALA THR ALA ILE ALA HIS VAL CYS HIS ASN PHE          
SEQRES  16 A  242  ASN VAL PRO PHE VAL VAL VAL ARG ALA ILE SER ASP VAL          
SEQRES  17 A  242  ALA ASP GLN GLN SER HIS LEU SER PHE ASP GLU PHE LEU          
SEQRES  18 A  242  ALA VAL ALA ALA LYS GLN SER SER LEU MET VAL GLU SER          
SEQRES  19 A  242  LEU VAL GLN LYS LEU ALA HIS GLY                              
HET    PE5  A 401      18                                                       
HET    PE5  A 402       8                                                       
HET    GOL  A 403       6                                                       
HET    IPA  A 404       4                                                       
HETNAM     PE5 3,6,9,12,15,18,21,24-OCTAOXAHEXACOSAN-1-OL                       
HETNAM     GOL GLYCEROL                                                         
HETNAM     IPA ISOPROPYL ALCOHOL                                                
HETSYN     PE5 2-(2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-           
HETSYN   2 PE5  ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHANOL; POLYETHYLENE           
HETSYN   3 PE5  GLYCOL PEG400                                                   
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
HETSYN     IPA 2-PROPANOL                                                       
FORMUL   2  PE5    2(C18 H38 O9)                                                
FORMUL   4  GOL    C3 H8 O3                                                     
FORMUL   5  IPA    C3 H8 O                                                      
FORMUL   6  HOH   *146(H2 O)                                                    
HELIX    1   1 MET A    9  ILE A   20  1                                  12    
HELIX    2   2 GLY A   51  LYS A   67  1                                  17    
HELIX    3   3 VAL A  102  GLY A  106  5                                   5    
HELIX    4   4 ASP A  122  LEU A  136  1                                  15    
HELIX    5   5 GLY A  154  PHE A  165  1                                  12    
HELIX    6   6 GLU A  174  PHE A  185  1                                  12    
HELIX    7   7 SER A  206  GLY A  232  1                                  27    
SHEET    1   A11 GLU A  21  LEU A  28  0                                        
SHEET    2   A11 CYS A  31  LEU A  38 -1  O  ILE A  33   N  ILE A  26           
SHEET    3   A11 THR A  41  LYS A  47 -1  O  LEU A  45   N  TYR A  34           
SHEET    4   A11 LYS A   2  GLY A   7  1  N  ILE A   5   O  ALA A  44           
SHEET    5   A11 VAL A  70  THR A  74  1  O  ILE A  72   N  GLY A   4           
SHEET    6   A11 PHE A 189  VAL A 198  1  O  VAL A 192   N  ASN A  73           
SHEET    7   A11 SER A  76  GLY A  79  1  N  GLY A  79   O  ASP A 197           
SHEET    8   A11 ALA A 168  GLU A 172 -1  O  VAL A 171   N  GLY A  78           
SHEET    9   A11 ALA A 140  SER A 147  1  N  LEU A 144   O  ILE A 169           
SHEET   10   A11 ILE A  89  TYR A  97  1  N  VAL A  91   O  VAL A 141           
SHEET   11   A11 PHE A 119  LYS A 120 -1  O  PHE A 119   N  ALA A  95           
SHEET    1   B 8 GLU A  21  LEU A  28  0                                        
SHEET    2   B 8 CYS A  31  LEU A  38 -1  O  ILE A  33   N  ILE A  26           
SHEET    3   B 8 THR A  41  LYS A  47 -1  O  LEU A  45   N  TYR A  34           
SHEET    4   B 8 LYS A   2  GLY A   7  1  N  ILE A   5   O  ALA A  44           
SHEET    5   B 8 VAL A  70  THR A  74  1  O  ILE A  72   N  GLY A   4           
SHEET    6   B 8 PHE A 189  VAL A 198  1  O  VAL A 192   N  ASN A  73           
SHEET    7   B 8 ILE A  89  TYR A  97 -1  N  SER A  92   O  VAL A 191           
SHEET    8   B 8 PHE A 119  LYS A 120 -1  O  PHE A 119   N  ALA A  95           
SITE     1 AC1  8 GLU A 135  LEU A 136  LEU A 220  GLU A 223                    
SITE     2 AC1  8 SER A 224  GLN A 227  HOH A 539  HOH A 547                    
SITE     1 AC2  3 ILE A  50  PRO A 113  PHE A 151                               
SITE     1 AC3  6 GLU A 172  MET A 173  GLU A 174  HOH A 457                    
SITE     2 AC3  6 HOH A 511  HOH A 541                                          
SITE     1 AC4  6 GLY A  78  GLY A  79  ILE A 152  ASP A 197                    
SITE     2 AC4  6 HOH A 476  HOH A 499                                          
CRYST1   70.010  127.520   69.590  90.00  90.00  90.00 C 2 2 2       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      0.014284  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007842  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014370        0.00000