PDB Short entry for 2AA0
HEADER    SIGNALING PROTEIN,TRANSFERASE           13-JUL-05   2AA0              
TITLE     CRYSTAL STRUCTURE OF T. GONDII ADENOSINE KINASE COMPLEXED WITH 6-     
TITLE    2 METHYLMERCAPTOPURINE RIBOSIDE                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ADENOSINE KINASE;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: AK; ADENOSINE 5'-PHOSPHOTRANSFERASE;                        
COMPND   5 EC: 2.7.1.20;                                                        
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TOXOPLASMA GONDII;                              
SOURCE   3 ORGANISM_TAXID: 5811;                                                
SOURCE   4 GENE: AK;                                                            
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: PET28A                                    
KEYWDS    RIBOKINASE FOLD; ALPHA/BETA; INTERMEDIATE CONFORMATION, SIGNALING     
KEYWDS   2 PROTEIN, TRANSFERASE                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.ZHANG,M.H.EL KOUNI,S.E.EALICK                                       
REVDAT   4   20-OCT-21 2AA0    1       REMARK SEQADV LINK                       
REVDAT   3   24-FEB-09 2AA0    1       VERSN                                    
REVDAT   2   13-FEB-07 2AA0    1       JRNL                                     
REVDAT   1   25-JUL-06 2AA0    0                                                
JRNL        AUTH   Y.ZHANG,M.H.EL KOUNI,S.E.EALICK                              
JRNL        TITL   SUBSTRATE ANALOGS INDUCE AN INTERMEDIATE CONFORMATIONAL      
JRNL        TITL 2 CHANGE IN TOXOPLASMA GONDII ADENOSINE KINASE                 
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  63   126 2007              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   17242506                                                     
JRNL        DOI    10.1107/S0907444906043654                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 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) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.45                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 922931.750                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 86.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 30495                          
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) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.240                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 8.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2439                            
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) : 1.75                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.86                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.90                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 4696                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2670                       
REMARK   3   BIN FREE R VALUE                    : 0.3050                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.90                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 404                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.015                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2584                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 47                                      
REMARK   3   SOLVENT ATOMS            : 249                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 32.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 13.42000                                             
REMARK   3    B22 (A**2) : -8.70000                                             
REMARK   3    B33 (A**2) : -4.72000                                             
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) : 0.22                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.24                            
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) : 0.27                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.25                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.760                           
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) : 2.630 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.330 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 4.440 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.700 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 55.81                                                
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  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : ACT_PARAM.TXT                                  
REMARK   3  PARAMETER FILE  4  : MTP_PRODRG.PARAM                               
REMARK   3  PARAMETER FILE  5  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER_REP.TOP                                  
REMARK   3  TOPOLOGY FILE  3   : MTA_PRODRG.TOP                                 
REMARK   3  TOPOLOGY FILE  4   : ACT_TOP.TXT                                    
REMARK   3  TOPOLOGY FILE  5   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2AA0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-JUL-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000033671.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 26-OCT-04                          
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                       : 8-BM                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9790                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32789                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.750                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.6                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.09700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.81                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.41300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1LIO                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, AMMONIUM ACETATE, SODIUM       
REMARK 280  CITRATE, 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       30.17400            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       45.97900            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.85050            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       45.97900            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       30.17400            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       30.85050            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     VAL A     3                                                      
REMARK 465     ASP A     4                                                      
REMARK 465     SER A     5                                                      
REMARK 465     SER A     6                                                      
REMARK 465     ASN A     7                                                      
REMARK 465     SER A     8                                                      
REMARK 465     ALA A     9                                                      
REMARK 465     THR A   361                                                      
REMARK 465     SER A   362                                                      
REMARK 465     GLY A   363                                                      
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     THR A  10    OG1  CG2                                            
REMARK 470     ARG A  53    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  80    CG   CD   CE   NZ                                   
REMARK 470     GLU A 105    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 134    CG   CD   CE   NZ                                   
REMARK 470     GLU A 250    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 308    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 309    CG   CD   CE   NZ                                   
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    ALA A  27      144.25   -172.38                                   
REMARK 500    ARG A  83      -48.58     67.40                                   
REMARK 500    ASP A  96       47.37    -97.40                                   
REMARK 500    ALA A 173      -60.84    -92.61                                   
REMARK 500    SER A 198      -51.62     64.98                                   
REMARK 500    THR A 269     -169.47   -129.94                                   
REMARK 500    ASP A 312      137.28   -175.80                                   
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                              NA A2002  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A 268   OD1                                                    
REMARK 620 2 THR A 269   O    92.8                                              
REMARK 620 3 THR A 290   O    84.7 147.0                                        
REMARK 620 4 HOH A3081   O   169.7  93.3  94.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A2003  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 VAL A 348   O                                                      
REMARK 620 2 HIS A 351   O    86.0                                              
REMARK 620 3 GLY A 353   O   110.8 105.0                                        
REMARK 620 4 HOH A3234   O    92.4 138.8 113.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 2001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 2002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 2003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 3001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTP A 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTP A 1002                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DGM   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN                                                     
REMARK 900 RELATED ID: 1LII   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH ADENOSINE AND AMP-PCP                
REMARK 900 RELATED ID: 1LIJ   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH 7-IODOTUBERCIDIN AND AMP-PCP         
REMARK 900 RELATED ID: 1LIK   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN BOUND TO ADENOSINE                                  
REMARK 900 RELATED ID: 1LIO   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN                                                     
REMARK 900 RELATED ID: 2A9Y   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2A9Z   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2AB8   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ABS   RELATED DB: PDB                                   
DBREF  2AA0 A    1   363  UNP    Q9TVW2   ADK_TOXGO        1    363             
SEQADV 2AA0 MET A  -19  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 GLY A  -18  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 SER A  -17  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 SER A  -16  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 HIS A  -15  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 HIS A  -14  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 HIS A  -13  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 HIS A  -12  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 HIS A  -11  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 HIS A  -10  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 SER A   -9  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 SER A   -8  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 GLY A   -7  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 LEU A   -6  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 VAL A   -5  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 PRO A   -4  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 ARG A   -3  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 GLY A   -2  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 SER A   -1  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 HIS A    0  UNP  Q9TVW2              EXPRESSION TAG                 
SEQADV 2AA0 SER A  270  UNP  Q9TVW2    GLY   270 ENGINEERED MUTATION            
SEQADV 2AA0 PHE A  360  UNP  Q9TVW2    SER   360 ENGINEERED MUTATION            
SEQADV 2AA0 THR A  361  UNP  Q9TVW2    LEU   361 ENGINEERED MUTATION            
SEQADV 2AA0 SER A  362  UNP  Q9TVW2    PRO   362 ENGINEERED MUTATION            
SEQADV 2AA0 GLY A  363  UNP  Q9TVW2    CYS   363 ENGINEERED MUTATION            
SEQRES   1 A  383  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  383  LEU VAL PRO ARG GLY SER HIS MET ALA VAL ASP SER SER          
SEQRES   3 A  383  ASN SER ALA THR GLY PRO MET ARG VAL PHE ALA ILE GLY          
SEQRES   4 A  383  ASN PRO ILE LEU ASP LEU VAL ALA GLU VAL PRO SER SER          
SEQRES   5 A  383  PHE LEU ASP GLU PHE PHE LEU LYS ARG GLY ASP ALA THR          
SEQRES   6 A  383  LEU ALA THR PRO GLU GLN MET ARG ILE TYR SER THR LEU          
SEQRES   7 A  383  ASP GLN PHE ASN PRO THR SER LEU PRO GLY GLY SER ALA          
SEQRES   8 A  383  LEU ASN SER VAL ARG VAL VAL GLN LYS LEU LEU ARG LYS          
SEQRES   9 A  383  PRO GLY SER ALA GLY TYR MET GLY ALA ILE GLY ASP ASP          
SEQRES  10 A  383  PRO ARG GLY GLN VAL LEU LYS GLU LEU CYS ASP LYS GLU          
SEQRES  11 A  383  GLY LEU ALA THR ARG PHE MET VAL ALA PRO GLY GLN SER          
SEQRES  12 A  383  THR GLY VAL CYS ALA VAL LEU ILE ASN GLU LYS GLU ARG          
SEQRES  13 A  383  THR LEU CYS THR HIS LEU GLY ALA CYS GLY SER PHE ARG          
SEQRES  14 A  383  LEU PRO GLU ASP TRP THR THR PHE ALA SER GLY ALA LEU          
SEQRES  15 A  383  ILE PHE TYR ALA THR ALA TYR THR LEU THR ALA THR PRO          
SEQRES  16 A  383  LYS ASN ALA LEU GLU VAL ALA GLY TYR ALA HIS GLY ILE          
SEQRES  17 A  383  PRO ASN ALA ILE PHE THR LEU ASN LEU SER ALA PRO PHE          
SEQRES  18 A  383  CYS VAL GLU LEU TYR LYS ASP ALA MET GLN SER LEU LEU          
SEQRES  19 A  383  LEU HIS THR ASN ILE LEU PHE GLY ASN GLU GLU GLU PHE          
SEQRES  20 A  383  ALA HIS LEU ALA LYS VAL HIS ASN LEU VAL ALA ALA GLU          
SEQRES  21 A  383  LYS THR ALA LEU SER THR ALA ASN LYS GLU HIS ALA VAL          
SEQRES  22 A  383  GLU VAL CYS THR GLY ALA LEU ARG LEU LEU THR ALA GLY          
SEQRES  23 A  383  GLN ASN THR SER ALA THR LYS LEU VAL VAL MET THR ARG          
SEQRES  24 A  383  GLY HIS ASN PRO VAL ILE ALA ALA GLU GLN THR ALA ASP          
SEQRES  25 A  383  GLY THR VAL VAL VAL HIS GLU VAL GLY VAL PRO VAL VAL          
SEQRES  26 A  383  ALA ALA GLU LYS ILE VAL ASP THR ASN GLY ALA GLY ASP          
SEQRES  27 A  383  ALA PHE VAL GLY GLY PHE LEU TYR ALA LEU SER GLN GLY          
SEQRES  28 A  383  LYS THR VAL LYS GLN CYS ILE MET CYS GLY ASN ALA CYS          
SEQRES  29 A  383  ALA GLN ASP VAL ILE GLN HIS VAL GLY PHE SER LEU SER          
SEQRES  30 A  383  PHE THR PHE THR SER GLY                                      
HET     CL  A2001       1                                                       
HET     NA  A2002       1                                                       
HET     NA  A2003       1                                                       
HET    ACT  A3001       4                                                       
HET    MTP  A1001      20                                                       
HET    MTP  A1002      20                                                       
HETNAM      CL CHLORIDE ION                                                     
HETNAM      NA SODIUM ION                                                       
HETNAM     ACT ACETATE ION                                                      
HETNAM     MTP 2-HYDROXYMETHYL-5-(6-METHYLSULFANYL-PURIN-9-YL)-                 
HETNAM   2 MTP  TETRAHYDRO-FURAN-3,4-DIOL                                       
HETSYN     MTP 9-BETA-D-RIBOFURANOSYL-6-METHYLTHIOPURINE                        
FORMUL   2   CL    CL 1-                                                        
FORMUL   3   NA    2(NA 1+)                                                     
FORMUL   5  ACT    C2 H3 O2 1-                                                  
FORMUL   6  MTP    2(C11 H14 N4 O4 S)                                           
FORMUL   8  HOH   *249(H2 O)                                                    
HELIX    1   1 PRO A   30  PHE A   37  1                                   8    
HELIX    2   2 THR A   48  MET A   52  5                                   5    
HELIX    3   3 ARG A   53  ASP A   59  1                                   7    
HELIX    4   4 GLN A   60  ASN A   62  5                                   3    
HELIX    5   5 GLY A   69  ARG A   83  1                                  15    
HELIX    6   6 ASP A   97  LYS A  109  1                                  13    
HELIX    7   7 LEU A  142  PHE A  148  5                                   7    
HELIX    8   8 ASP A  153  ALA A  158  1                                   6    
HELIX    9   9 TYR A  169  ALA A  173  5                                   5    
HELIX   10  10 PRO A  175  HIS A  186  1                                  12    
HELIX   11  11 ALA A  199  TYR A  206  1                                   8    
HELIX   12  12 TYR A  206  HIS A  216  1                                  11    
HELIX   13  13 GLU A  224  HIS A  234  1                                  11    
HELIX   14  14 ASN A  248  ALA A  265  1                                  18    
HELIX   15  15 ALA A  306  ILE A  310  5                                   5    
HELIX   16  16 GLY A  315  GLN A  330  1                                  16    
HELIX   17  17 THR A  333  ILE A  349  1                                  17    
SHEET    1   A 9 ALA A 113  ALA A 119  0                                        
SHEET    2   A 9 ALA A  88  GLY A  95  1  N  ILE A  94   O  MET A 117           
SHEET    3   A 9 VAL A  15  ILE A  18  1  N  VAL A  15   O  GLY A  89           
SHEET    4   A 9 ILE A 163  THR A 167  1  O  TYR A 165   N  PHE A  16           
SHEET    5   A 9 ILE A 192  ASN A 196  1  O  ILE A 192   N  PHE A 164           
SHEET    6   A 9 ILE A 219  ASN A 223  1  O  PHE A 221   N  LEU A 195           
SHEET    7   A 9 LEU A 274  ARG A 279  1  O  VAL A 276   N  LEU A 220           
SHEET    8   A 9 ASN A 282  GLN A 289 -1  O  ILE A 285   N  MET A 277           
SHEET    9   A 9 VAL A 295  VAL A 300 -1  O  HIS A 298   N  ALA A 286           
SHEET    1   B 5 ALA A  44  LEU A  46  0                                        
SHEET    2   B 5 GLU A 135  HIS A 141  1  O  THR A 140   N  THR A  45           
SHEET    3   B 5 GLY A 125  ASN A 132 -1  N  LEU A 130   O  THR A 137           
SHEET    4   B 5 ILE A  22  GLU A  28  1  N  LEU A  25   O  CYS A 127           
SHEET    5   B 5 THR A  64  GLY A  68 -1  O  LEU A  66   N  ASP A  24           
LINK         OD1 ASN A 268                NA    NA A2002     1555   1555  2.39  
LINK         O   THR A 269                NA    NA A2002     1555   1555  2.52  
LINK         O   THR A 290                NA    NA A2002     1555   1555  2.55  
LINK         O   VAL A 348                NA    NA A2003     1555   1555  2.28  
LINK         O   HIS A 351                NA    NA A2003     1555   1555  2.24  
LINK         O   GLY A 353                NA    NA A2003     1555   1555  2.30  
LINK        NA    NA A2002                 O   HOH A3081     1555   1555  2.38  
LINK        NA    NA A2003                 O   HOH A3234     1555   1555  2.28  
CISPEP   1 GLY A   11    PRO A   12          0        -0.05                     
SITE     1 AC1  5 ASN A  20  ALA A  71  THR A 167  MTP A1001                    
SITE     2 AC1  5 HOH A3005                                                     
SITE     1 AC2  6 ASN A 268  THR A 269  GLN A 289  THR A 290                    
SITE     2 AC2  6 ALA A 291  HOH A3081                                          
SITE     1 AC3  4 VAL A 348  HIS A 351  GLY A 353  HOH A3234                    
SITE     1 AC4  4 THR A 278  GLY A 317  HOH A3067  HOH A3068                    
SITE     1 AC5 13 ASN A  20  ILE A  22  ASP A  24  GLY A  69                    
SITE     2 AC5 13 SER A  70  ASN A  73  THR A 140  TYR A 169                    
SITE     3 AC5 13 ASP A 318  PHE A 354   CL A2001  HOH A3109                    
SITE     4 AC5 13 HOH A3151                                                     
SITE     1 AC6 11 GLY A 280  VAL A 284  VAL A 302  VAL A 305                    
SITE     2 AC6 11 ALA A 316  GLY A 317  ASN A 342  ALA A 345                    
SITE     3 AC6 11 GLN A 346  HOH A3074  HOH A3247                               
CRYST1   60.348   61.701   91.958  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      0.016571  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016207  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010875        0.00000