HEADER    TRANSFERASE                             19-FEB-02   1L1R              
TITLE     CRYSTAL STRUCTURE OF APRTASE FROM GIARDIA LAMBLIA COMPLEXED WITH 9-   
TITLE    2 DEAZAADENINE, MG2+ AND PRPP                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ADENINE PHOSPHORIBOSYLTRANSFERASE;                         
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.4.2.7;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GIARDIA INTESTINALIS;                           
SOURCE   3 ORGANISM_TAXID: 5741;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    APRTASE, ADENINE, GIARDIA LAMBLIA, PURINE METABOLISM, CATALYTIC LOOP, 
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.SHI,A.E.SARVER,C.C.WANG,K.S.TANAKA,S.C.ALMO,V.L.SCHRAMM             
REVDAT   5   16-AUG-23 1L1R    1       HETSYN                                   
REVDAT   4   29-JUL-20 1L1R    1       COMPND REMARK SEQADV HETNAM              
REVDAT   4 2                   1       LINK   SITE                              
REVDAT   3   13-JUL-11 1L1R    1       VERSN                                    
REVDAT   2   24-FEB-09 1L1R    1       VERSN                                    
REVDAT   1   27-NOV-02 1L1R    0                                                
JRNL        AUTH   W.SHI,A.E.SARVER,C.C.WANG,K.S.TANAKA,S.C.ALMO,V.L.SCHRAMM    
JRNL        TITL   CLOSED SITE COMPLEXES OF ADENINE PHOSPHORIBOSYLTRANSFERASE   
JRNL        TITL 2 FROM GIARDIA LAMBLIA REVEAL A MECHANISM OF RIBOSYL           
JRNL        TITL 3 MIGRATION.                                                   
JRNL        REF    J.BIOL.CHEM.                  V. 277 39981 2002              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   12171925                                                     
JRNL        DOI    10.1074/JBC.M205596200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
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) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 92.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 13041                          
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) : 0.218                           
REMARK   3   FREE R VALUE                     : 0.262                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1309                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
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) : 1.95                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.07                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 83.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1752                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2720                       
REMARK   3   BIN FREE R VALUE                    : 0.2840                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 8.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 171                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.022                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1345                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 33                                      
REMARK   3   SOLVENT ATOMS            : 79                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.77000                                              
REMARK   3    B22 (A**2) : 4.77000                                              
REMARK   3    B33 (A**2) : -9.54000                                             
REMARK   3    B12 (A**2) : 5.29000                                              
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) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.19                            
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) : 0.30                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.21                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.840                           
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) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 37.93                                                
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  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1L1R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015565.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-JUN-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X9B                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98                               
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                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14082                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 23.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.02                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.80                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.36900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1L1Q                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 44.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, AMMONIUM ACETATE, UREA,        
REMARK 280  SODIUM ACETATE, PH 4.6, VAPOR DIFFUSION, HANGING DROP,              
REMARK 280  TEMPERATURE 291K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       36.24800            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       72.49600            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  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        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       72.49600            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       36.24800            
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 BIOLOGICAL ASSEMBLY IS A DIMER GENERATED FROM THE        
REMARK 300 MONOMER IN THE ASYMMETRIC UNIT BY APPLYING THE CRYSTALLOGRAPHIC 2-   
REMARK 300 FOLD.                                                                
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 5220 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 13850 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -39.0 KCAL/MOL                        
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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       94.09366            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       72.49600            
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 466  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 472  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     MET A     1                                                      
REMARK 465     HIS A   181                                                      
REMARK 465     HIS A   182                                                      
REMARK 465     HIS A   183                                                      
REMARK 465     HIS A   184                                                      
REMARK 465     HIS A   185                                                      
REMARK 465     HIS A   186                                                      
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 102    CG   CD   OE1  NE2                                  
REMARK 470     LYS A 103    CG   CD   CE   NZ                                   
REMARK 470     VAL A 105    CG1  CG2                                            
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    PRO A  53       49.81    -73.61                                   
REMARK 500    GLN A 102      128.40   -170.68                                   
REMARK 500    ALA A 128     -102.38   -103.25                                   
REMARK 500    LYS A 162       58.45     37.17                                   
REMARK 500    ARG A 173       78.77   -102.30                                   
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 400  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 PRP A 301   O3A                                                    
REMARK 620 2 PRP A 301   O1   54.8                                              
REMARK 620 3 PRP A 301   O2  104.8  63.9                                        
REMARK 620 4 PRP A 301   O3  127.9  77.3  64.4                                  
REMARK 620 5 PRP A 301   O3B  55.3  94.6  94.8 159.2                            
REMARK 620 6 HOH A 463   O   138.8 165.1 102.4  91.8  92.3                      
REMARK 620 7 HOH A 464   O    68.0  91.8 151.5  97.4 102.0  99.7                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1L1Q   RELATED DB: PDB                                   
REMARK 900 APRTASE FROM GIARDIA LAMBLIA COMPLEXED WITH 9-DEAZAADENINE AND       
REMARK 900 SULFATE                                                              
DBREF  1L1R A    1   180  UNP    Q967M2   Q967M2_GIALA     1    180             
SEQADV 1L1R HIS A  181  UNP  Q967M2              EXPRESSION TAG                 
SEQADV 1L1R HIS A  182  UNP  Q967M2              EXPRESSION TAG                 
SEQRES   1 A  186  MET THR MET SER VAL ALA ASP ALA HIS ALA LEU ILE LYS          
SEQRES   2 A  186  THR ILE PRO ASP PHE PRO THR LYS GLY ILE ALA PHE LYS          
SEQRES   3 A  186  ASP LEU SER ASP ILE LEU SER THR PRO ALA ALA LEU ASP          
SEQRES   4 A  186  ALA VAL ARG LYS GLU VAL THR ALA HIS TYR LYS ASP VAL          
SEQRES   5 A  186  PRO ILE THR LYS VAL VAL GLY ILE GLU SER ARG GLY PHE          
SEQRES   6 A  186  ILE LEU GLY GLY ILE VAL ALA ASN SER LEU GLY VAL GLY          
SEQRES   7 A  186  PHE VAL ALA LEU ARG LYS ALA GLY LYS LEU PRO GLY ASP          
SEQRES   8 A  186  VAL CYS LYS CYS THR PHE ASP MET GLU TYR GLN LYS GLY          
SEQRES   9 A  186  VAL THR ILE GLU VAL GLN LYS ARG GLN LEU GLY PRO HIS          
SEQRES  10 A  186  ASP VAL VAL LEU LEU HIS ASP ASP VAL LEU ALA THR GLY          
SEQRES  11 A  186  GLY THR LEU LEU ALA ALA ILE GLU LEU CYS GLU THR ALA          
SEQRES  12 A  186  GLY VAL LYS PRO GLU ASN ILE TYR ILE ASN VAL LEU TYR          
SEQRES  13 A  186  GLU ILE GLU ALA LEU LYS GLY ARG GLU LYS VAL GLY GLN          
SEQRES  14 A  186  LYS CYS THR ARG LEU PHE SER VAL ILE ARG GLU HIS HIS          
SEQRES  15 A  186  HIS HIS HIS HIS                                              
HET     MG  A 400       1                                                       
HET    9DA  A 201      10                                                       
HET    PRP  A 301      22                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     9DA 9-DEAZAADENINE                                                   
HETNAM     PRP 1-O-PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOFURANOSE             
HETSYN     PRP ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID; 1-O-                    
HETSYN   2 PRP  PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOSE; 1-O-                
HETSYN   3 PRP  PYROPHOSPHONO-5-O-PHOSPHONO-D-RIBOSE; 1-O-                      
HETSYN   4 PRP  PYROPHOSPHONO-5-O-PHOSPHONO-RIBOSE                              
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  9DA    C6 H6 N4                                                     
FORMUL   4  PRP    C5 H13 O14 P3                                                
FORMUL   5  HOH   *79(H2 O)                                                     
HELIX    1   1 SER A    4  ALA A   10  1                                   7    
HELIX    2   2 LEU A   28  THR A   34  1                                   7    
HELIX    3   3 THR A   34  TYR A   49  1                                  16    
HELIX    4   4 SER A   62  GLY A   64  5                                   3    
HELIX    5   5 PHE A   65  GLY A   76  1                                  12    
HELIX    6   6 ARG A  112  LEU A  114  5                                   3    
HELIX    7   7 GLY A  130  ALA A  143  1                                  14    
HELIX    8   8 LYS A  146  GLU A  148  5                                   3    
HELIX    9   9 GLU A  159  LEU A  161  5                                   3    
HELIX   10  10 LYS A  162  GLN A  169  1                                   8    
SHEET    1   A 2 LYS A  13  ILE A  15  0                                        
SHEET    2   A 2 PHE A  25  ASP A  27 -1  O  ASP A  27   N  LYS A  13           
SHEET    1   B 7 VAL A  92  MET A  99  0                                        
SHEET    2   B 7 GLN A 102  GLN A 110 -1  O  VAL A 105   N  PHE A  97           
SHEET    3   B 7 GLY A  78  LYS A  84 -1  N  ARG A  83   O  GLU A 108           
SHEET    4   B 7 LYS A  56  ILE A  60  1  N  VAL A  57   O  VAL A  80           
SHEET    5   B 7 VAL A 120  LEU A 127  1  O  HIS A 123   N  VAL A  58           
SHEET    6   B 7 ILE A 150  GLU A 157  1  O  TYR A 151   N  LEU A 122           
SHEET    7   B 7 LEU A 174  ARG A 179  1  O  ILE A 178   N  GLU A 157           
LINK         O3A PRP A 301                MG    MG A 400     1555   1555  2.96  
LINK         O1  PRP A 301                MG    MG A 400     1555   1555  2.30  
LINK         O2  PRP A 301                MG    MG A 400     1555   1555  2.55  
LINK         O3  PRP A 301                MG    MG A 400     1555   1555  2.48  
LINK         O3B PRP A 301                MG    MG A 400     1555   1555  2.25  
LINK        MG    MG A 400                 O   HOH A 463     1555   1555  2.12  
LINK        MG    MG A 400                 O   HOH A 464     1555   1555  2.13  
CISPEP   1 PHE A   18    PRO A   19          0         0.20                     
CISPEP   2 GLU A   61    SER A   62          0         0.74                     
CRYST1   54.325   54.325  108.744  90.00  90.00 120.00 P 31 2 1      6          
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      0.018408  0.010628  0.000000        0.00000                         
SCALE2      0.000000  0.021255  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009196        0.00000