HEADER    TRANSFERASE                             23-NOV-03   1RKU              
TITLE     CRYSTAL STRUCTURE OF THRH GENE PRODUCT OF PSEUDOMONAS AERUGINOSA      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HOMOSERINE KINASE;                                         
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA;                         
SOURCE   3 ORGANISM_TAXID: 208964;                                              
SOURCE   4 STRAIN: PAO1;                                                        
SOURCE   5 GENE: THRH;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PPROEX                                    
KEYWDS    PHOSPHOSERINE PHOSPHATASE, PHOSPHOSERINE:HOMOSERINE                   
KEYWDS   2 PHOSPHOTRANSFERASE, THRH, PHOSPHOSERINE PHOSPHORYL DONOR,            
KEYWDS   3 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.K.SINGH,K.YANG,K.SUBRAMANIAN,S.KARTHIKEYAN,T.HUYNH,X.ZHANG,         
AUTHOR   2 M.A.PHILLIPS,H.ZHANG                                                 
REVDAT   4   14-FEB-24 1RKU    1       REMARK SEQADV LINK                       
REVDAT   3   13-JUL-11 1RKU    1       VERSN                                    
REVDAT   2   24-FEB-09 1RKU    1       VERSN                                    
REVDAT   1   30-MAR-04 1RKU    0                                                
JRNL        AUTH   S.K.SINGH,K.YANG,S.KARTHIKEYAN,T.HUYNH,X.ZHANG,M.A.PHILLIPS, 
JRNL        AUTH 2 H.ZHANG                                                      
JRNL        TITL   THE THRH GENE PRODUCT OF PSEUDOMONAS AERUGINOSA IS A DUAL    
JRNL        TITL 2 ACTIVITY ENZYME WITH A NOVEL PHOSPHOSERINE:HOMOSERINE        
JRNL        TITL 3 PHOSPHOTRANSFERASE ACTIVITY.                                 
JRNL        REF    J.BIOL.CHEM.                  V. 279 13166 2004              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   14699121                                                     
JRNL        DOI    10.1074/JBC.M311393200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.47 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.27                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.47                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 71055                          
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 + TEST SET) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.221                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3742                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.47                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.51                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3879                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3110                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 221                          
REMARK   3   BIN FREE R VALUE                    : 0.3880                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3336                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 32                                      
REMARK   3   SOLVENT ATOMS            : 397                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.56                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.19000                                             
REMARK   3    B22 (A**2) : 2.16000                                              
REMARK   3    B33 (A**2) : -0.97000                                             
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.075         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.077         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.050         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.338         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.965                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.954                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3456 ; 0.015 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4664 ; 1.528 ; 1.971       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   410 ; 5.574 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   524 ; 0.100 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2590 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1701 ; 0.212 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   267 ; 0.144 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):     3 ; 0.123 ; 0.200       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    74 ; 0.208 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    29 ; 0.239 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2064 ; 1.016 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3349 ; 1.831 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1392 ; 2.826 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1315 ; 4.445 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1RKU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-DEC-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000020846.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-OCT-02                          
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               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97679                            
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(111)          
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 74797                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.470                              
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     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY                : 18.00                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 48.3600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.47                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.52                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 71.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.44500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SOLVE, DM                                             
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.29                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 1000, SODIUM CACODYLATE, MGCL2, PH   
REMARK 280  6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
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+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
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       65.88600            
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       65.88600            
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       35.87450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       48.61800            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       35.87450            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       48.61800            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       65.88600            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       35.87450            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       48.61800            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       65.88600            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       35.87450            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       48.61800            
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 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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4620 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17750 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   603     O    HOH A   897              1.88            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   750     O    HOH A   750     3655     2.08            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ASP A   7   CB  -  CG  -  OD1 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    ASP B   0   CB  -  CG  -  OD1 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    ASP B   7   CB  -  CG  -  OD1 ANGL. DEV. =   7.3 DEGREES          
REMARK 500    ASP B  35   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP B 120   CB  -  CG  -  OD1 ANGL. DEV. =   5.5 DEGREES          
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    HIS A 186       18.29   -143.24                                   
REMARK 500    LEU B   8      -70.24    -94.08                                   
REMARK 500    THR B  92     -178.57    -69.76                                   
REMARK 500    CYS B 111     -155.33   -147.84                                   
REMARK 500    ASN B 155        4.25    -67.65                                   
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 301  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A   7   OD2                                                    
REMARK 620 2 GLU A   9   O    87.0                                              
REMARK 620 3 ASP A 152   OD1  87.8  89.7                                        
REMARK 620 4 HOH A 719   O    82.4 165.4  79.9                                  
REMARK 620 5 HOH A 814   O    94.8  98.8 171.3  92.2                            
REMARK 620 6 HOH A 843   O   173.1  89.0  86.5 100.4  91.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 302  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 152   OD2                                                    
REMARK 620 2 HOH A 725   O    96.6                                              
REMARK 620 3 HOH A 844   O    82.6  95.0                                        
REMARK 620 4 HOH A 845   O    95.1  97.3 167.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 303  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B   7   OD2                                                    
REMARK 620 2 GLU B   9   O    88.1                                              
REMARK 620 3 ASP B 152   OD1  84.9  93.2                                        
REMARK 620 4 HOH B 748   O   171.6  91.8  86.7                                  
REMARK 620 5 HOH B 780   O    84.3 170.7  80.7  94.8                            
REMARK 620 6 HOH B 846   O    94.5  94.6 172.1  93.8  91.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 304  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 152   OD2                                                    
REMARK 620 2 HOH B 749   O    95.3                                              
REMARK 620 3 HOH B 813   O    95.8  96.1                                        
REMARK 620 4 HOH B 840   O   174.9  83.6  89.3                                  
REMARK 620 5 HOH B 847   O    91.9 166.2  94.9  88.2                            
REMARK 620 6 HOH B 872   O    83.2  85.3 178.4  91.7  83.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 303                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 304                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 404                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 405                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 407                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 406                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1RKV   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF PHOSPHATE COMPLEX OF THRH FROM PSEUDOMONAS AERUGINOSA   
DBREF  1RKU A    1   205  UNP    Q9I2Y2   Q9I2Y2_PSEAE     1    205             
DBREF  1RKU B    1   205  UNP    Q9I2Y2   Q9I2Y2_PSEAE     1    205             
SEQADV 1RKU ASP A    0  UNP  Q9I2Y2              CLONING ARTIFACT               
SEQADV 1RKU ASP B    0  UNP  Q9I2Y2              CLONING ARTIFACT               
SEQRES   1 A  206  ASP MET GLU ILE ALA CYS LEU ASP LEU GLU GLY VAL LEU          
SEQRES   2 A  206  VAL PRO GLU ILE TRP ILE ALA PHE ALA GLU LYS THR GLY          
SEQRES   3 A  206  ILE ASP ALA LEU LYS ALA THR THR ARG ASP ILE PRO ASP          
SEQRES   4 A  206  TYR ASP VAL LEU MET LYS GLN ARG LEU ARG ILE LEU ASP          
SEQRES   5 A  206  GLU HIS GLY LEU LYS LEU GLY ASP ILE GLN GLU VAL ILE          
SEQRES   6 A  206  ALA THR LEU LYS PRO LEU GLU GLY ALA VAL GLU PHE VAL          
SEQRES   7 A  206  ASP TRP LEU ARG GLU ARG PHE GLN VAL VAL ILE LEU SER          
SEQRES   8 A  206  ASP THR PHE TYR GLU PHE SER GLN PRO LEU MET ARG GLN          
SEQRES   9 A  206  LEU GLY PHE PRO THR LEU LEU CYS HIS LYS LEU GLU ILE          
SEQRES  10 A  206  ASP ASP SER ASP ARG VAL VAL GLY TYR GLN LEU ARG GLN          
SEQRES  11 A  206  LYS ASP PRO LYS ARG GLN SER VAL ILE ALA PHE LYS SER          
SEQRES  12 A  206  LEU TYR TYR ARG VAL ILE ALA ALA GLY ASP SER TYR ASN          
SEQRES  13 A  206  ASP THR THR MET LEU SER GLU ALA HIS ALA GLY ILE LEU          
SEQRES  14 A  206  PHE HIS ALA PRO GLU ASN VAL ILE ARG GLU PHE PRO GLN          
SEQRES  15 A  206  PHE PRO ALA VAL HIS THR TYR GLU ASP LEU LYS ARG GLU          
SEQRES  16 A  206  PHE LEU LYS ALA SER SER ARG SER LEU SER LEU                  
SEQRES   1 B  206  ASP MET GLU ILE ALA CYS LEU ASP LEU GLU GLY VAL LEU          
SEQRES   2 B  206  VAL PRO GLU ILE TRP ILE ALA PHE ALA GLU LYS THR GLY          
SEQRES   3 B  206  ILE ASP ALA LEU LYS ALA THR THR ARG ASP ILE PRO ASP          
SEQRES   4 B  206  TYR ASP VAL LEU MET LYS GLN ARG LEU ARG ILE LEU ASP          
SEQRES   5 B  206  GLU HIS GLY LEU LYS LEU GLY ASP ILE GLN GLU VAL ILE          
SEQRES   6 B  206  ALA THR LEU LYS PRO LEU GLU GLY ALA VAL GLU PHE VAL          
SEQRES   7 B  206  ASP TRP LEU ARG GLU ARG PHE GLN VAL VAL ILE LEU SER          
SEQRES   8 B  206  ASP THR PHE TYR GLU PHE SER GLN PRO LEU MET ARG GLN          
SEQRES   9 B  206  LEU GLY PHE PRO THR LEU LEU CYS HIS LYS LEU GLU ILE          
SEQRES  10 B  206  ASP ASP SER ASP ARG VAL VAL GLY TYR GLN LEU ARG GLN          
SEQRES  11 B  206  LYS ASP PRO LYS ARG GLN SER VAL ILE ALA PHE LYS SER          
SEQRES  12 B  206  LEU TYR TYR ARG VAL ILE ALA ALA GLY ASP SER TYR ASN          
SEQRES  13 B  206  ASP THR THR MET LEU SER GLU ALA HIS ALA GLY ILE LEU          
SEQRES  14 B  206  PHE HIS ALA PRO GLU ASN VAL ILE ARG GLU PHE PRO GLN          
SEQRES  15 B  206  PHE PRO ALA VAL HIS THR TYR GLU ASP LEU LYS ARG GLU          
SEQRES  16 B  206  PHE LEU LYS ALA SER SER ARG SER LEU SER LEU                  
HET     MG  A 301       1                                                       
HET     MG  A 302       1                                                       
HET    EDO  A 401       4                                                       
HET    EDO  A 404       4                                                       
HET    EDO  A 405       4                                                       
HET    EDO  A 407       4                                                       
HET     MG  B 303       1                                                       
HET     MG  B 304       1                                                       
HET    EDO  B 402       4                                                       
HET    EDO  B 403       4                                                       
HET    EDO  B 406       4                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETSYN     EDO ETHYLENE GLYCOL                                                  
FORMUL   3   MG    4(MG 2+)                                                     
FORMUL   5  EDO    7(C2 H6 O2)                                                  
FORMUL  14  HOH   *397(H2 O)                                                    
HELIX    1   1 GLU A   15  GLY A   25  1                                  11    
HELIX    2   2 ILE A   26  ALA A   31  5                                   6    
HELIX    3   3 ASP A   38  HIS A   53  1                                  16    
HELIX    4   4 LYS A   56  ALA A   65  1                                  10    
HELIX    5   5 GLY A   72  GLU A   82  1                                  11    
HELIX    6   6 TYR A   94  LEU A  104  1                                  11    
HELIX    7   7 ASP A  131  LEU A  143  1                                  13    
HELIX    8   8 ASP A  156  ALA A  163  1                                   8    
HELIX    9   9 PRO A  172  PHE A  179  1                                   8    
HELIX   10  10 THR A  187  SER A  199  1                                  13    
HELIX   11  11 GLU B   15  GLY B   25  1                                  11    
HELIX   12  12 ILE B   26  ALA B   31  5                                   6    
HELIX   13  13 ASP B   38  HIS B   53  1                                  16    
HELIX   14  14 LYS B   56  ALA B   65  1                                  10    
HELIX   15  15 GLY B   72  GLU B   82  1                                  11    
HELIX   16  16 TYR B   94  LEU B  104  1                                  11    
HELIX   17  17 ASP B  131  LEU B  143  1                                  13    
HELIX   18  18 SER B  153  ASN B  155  5                                   3    
HELIX   19  19 ASP B  156  ALA B  163  1                                   8    
HELIX   20  20 PRO B  172  PHE B  179  1                                   8    
HELIX   21  21 THR B  187  SER B  199  1                                  13    
SHEET    1   A 7 VAL A 122  GLN A 126  0                                        
SHEET    2   A 7 LEU A 109  ILE A 116 -1  N  GLU A 115   O  GLY A 124           
SHEET    3   A 7 GLN A  85  PHE A  93  1  N  ILE A  88   O  LEU A 110           
SHEET    4   A 7 GLU A   2  ASP A   7  1  N  LEU A   6   O  LEU A  89           
SHEET    5   A 7 ARG A 146  GLY A 151  1  O  ARG A 146   N  ILE A   3           
SHEET    6   A 7 ALA A 165  PHE A 169  1  O  ALA A 165   N  ALA A 149           
SHEET    7   A 7 ALA A 184  VAL A 185  1  O  VAL A 185   N  LEU A 168           
SHEET    1   B 7 VAL B 122  GLN B 126  0                                        
SHEET    2   B 7 LEU B 109  ILE B 116 -1  N  LYS B 113   O  GLN B 126           
SHEET    3   B 7 GLN B  85  PHE B  93  1  N  ILE B  88   O  LEU B 110           
SHEET    4   B 7 GLU B   2  LEU B   6  1  N  ALA B   4   O  GLN B  85           
SHEET    5   B 7 ARG B 146  GLY B 151  1  O  ILE B 148   N  ILE B   3           
SHEET    6   B 7 ALA B 165  PHE B 169  1  O  ALA B 165   N  ALA B 149           
SHEET    7   B 7 ALA B 184  VAL B 185  1  O  VAL B 185   N  LEU B 168           
LINK         OD2 ASP A   7                MG    MG A 301     1555   1555  2.05  
LINK         O   GLU A   9                MG    MG A 301     1555   1555  2.12  
LINK         OD1 ASP A 152                MG    MG A 301     1555   1555  2.23  
LINK         OD2 ASP A 152                MG    MG A 302     1555   1555  2.10  
LINK        MG    MG A 301                 O   HOH A 719     1555   1555  1.99  
LINK        MG    MG A 301                 O   HOH A 814     1555   1555  1.81  
LINK        MG    MG A 301                 O   HOH A 843     1555   1555  2.13  
LINK        MG    MG A 302                 O   HOH A 725     1555   1555  2.30  
LINK        MG    MG A 302                 O   HOH A 844     1555   1555  2.50  
LINK        MG    MG A 302                 O   HOH A 845     1555   1555  1.93  
LINK         OD2 ASP B   7                MG    MG B 303     1555   1555  2.05  
LINK         O   GLU B   9                MG    MG B 303     1555   1555  2.04  
LINK         OD1 ASP B 152                MG    MG B 303     1555   1555  2.17  
LINK         OD2 ASP B 152                MG    MG B 304     1555   1555  2.05  
LINK        MG    MG B 303                 O   HOH B 748     1555   1555  2.00  
LINK        MG    MG B 303                 O   HOH B 780     1555   1555  2.03  
LINK        MG    MG B 303                 O   HOH B 846     1555   1555  2.07  
LINK        MG    MG B 304                 O   HOH B 749     1555   1555  2.08  
LINK        MG    MG B 304                 O   HOH B 813     1555   1555  1.89  
LINK        MG    MG B 304                 O   HOH B 840     1555   1555  2.05  
LINK        MG    MG B 304                 O   HOH B 847     1555   1555  2.03  
LINK        MG    MG B 304                 O   HOH B 872     1555   1555  2.41  
SITE     1 AC1  6 ASP A   7  GLU A   9  ASP A 152  HOH A 719                    
SITE     2 AC1  6 HOH A 814  HOH A 843                                          
SITE     1 AC2  4 ASP A 152  HOH A 725  HOH A 844  HOH A 845                    
SITE     1 AC3  6 ASP B   7  GLU B   9  ASP B 152  HOH B 748                    
SITE     2 AC3  6 HOH B 780  HOH B 846                                          
SITE     1 AC4  6 ASP B 152  HOH B 749  HOH B 813  HOH B 840                    
SITE     2 AC4  6 HOH B 847  HOH B 872                                          
SITE     1 AC5  9 THR A  24  GLY A  25  ILE A  26  ASP A  78                    
SITE     2 AC5  9 ARG A  81  HOH A 552  HOH A 866  GLY B 105                    
SITE     3 AC5  9 PHE B 106                                                     
SITE     1 AC6  5 ASP A   0  MET A   1  GLU A   2  GLN A  85                    
SITE     2 AC6  5 ARG A 201                                                     
SITE     1 AC7  6 GLN A 129  LYS A 130  HOH A 643  LYS B 130                    
SITE     2 AC7  6 TYR B 144  HOH B 581                                          
SITE     1 AC8  8 ASP A  91  ASP A 131  PRO A 132  LYS A 133                    
SITE     2 AC8  8 ARG A 134  THR A 158  HOH A 512  HOH A 727                    
SITE     1 AC9 10 GLY A  25  ASP A  27  LYS A  30  HOH A 531                    
SITE     2 AC9 10 VAL B  74  ASP B  78  ARG B  81  GLN B 103                    
SITE     3 AC9 10 LEU B 104  GLY B 105                                          
SITE     1 BC1  6 ASP B   0  MET B   1  GLU B   2  ARG B  83                    
SITE     2 BC1  6 GLN B  85  ARG B 201                                          
SITE     1 BC2  4 GLU B  75  ASP B  78  GLU B  82  HOH B 576                    
CRYST1   71.749   97.236  131.772  90.00  90.00  90.00 C 2 2 21     16          
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      0.013937  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010284  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007589        0.00000