HEADER    OXIDOREDUCTASE                          22-FEB-05   1YXO              
TITLE     CRYSTAL STRUCTURE OF PYRIDOXAL PHOSPHATE BIOSYNTHETIC PROTEIN PDXA    
TITLE    2 PA0593                                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 4-HYDROXYTHREONINE-4-PHOSPHATE DEHYDROGENASE 1;            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: 4-PHOSPHOHYDROXY-L-THREONINE DEHYDROGENASE 1;               
COMPND   5 EC: 1.1.1.262;                                                       
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA;                         
SOURCE   3 ORGANISM_TAXID: 287;                                                 
SOURCE   4 GENE: PDXA1;                                                         
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
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: PET15B                                    
KEYWDS    PA0593, PYRIDOXINE BIOSYNTHESIS, OXIDOREDUCTASE, STRUCTURAL GENOMICS, 
KEYWDS   2 PSI, PROTEIN STRUCTURE INITIATIVE, MIDWEST CENTER FOR STRUCTURAL     
KEYWDS   3 GENOMICS, MCSG                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.LIU,X.XU,A.DONG,M.KUDRITSKAM,A.SAVCHENKO,E.F.PAI,A.JOACHIMIAK,      
AUTHOR   2 A.EDWARDS,MIDWEST CENTER FOR STRUCTURAL GENOMICS (MCSG)              
REVDAT   4   30-OCT-24 1YXO    1       REMARK LINK                              
REVDAT   3   05-OCT-11 1YXO    1       AUTHOR VERSN                             
REVDAT   2   24-FEB-09 1YXO    1       VERSN                                    
REVDAT   1   05-APR-05 1YXO    0                                                
JRNL        AUTH   Y.LIU,X.XU,A.DONG,M.KUDRITSKAM,A.SAVCHENKO,E.F.PAI,A.EDWARDS 
JRNL        TITL   CRYSTAL STRUCTURE OF PYRIDOXAL PHOSPHATE BIOSYNTHETIC        
JRNL        TITL 2 PROTEIN PDXA PA0593                                          
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.01 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 36.68                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 410646.900                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 42938                          
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) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.243                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 3.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1292                            
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) : 2.01                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.14                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 94.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 6569                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2300                       
REMARK   3   BIN FREE R VALUE                    : 0.2930                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 2.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 190                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.021                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4910                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 32                                      
REMARK   3   SOLVENT ATOMS            : 450                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 13.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.66000                                             
REMARK   3    B22 (A**2) : 7.27000                                              
REMARK   3    B33 (A**2) : -3.62000                                             
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) : 0.15                            
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) : 0.29                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.23                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.00                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.820                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.350 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.050 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.150 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.090 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.34                                                 
REMARK   3   BSOL        : 51.16                                                
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  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : EOH_XPLOR_PAR.TXT                              
REMARK   3  PARAMETER FILE  5  : MSE_PAR.TXT                                    
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   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : EOH_XPLOR_TOP.TXT                              
REMARK   3  TOPOLOGY FILE  5   : MSE_TOP.TXT                                    
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: O V8.0 WAS USED IN REFINEMENT             
REMARK   4                                                                      
REMARK   4 1YXO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-MAR-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000032042.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-JUN-04; NULL; NULL              
REMARK 200  TEMPERATURE           (KELVIN) : 100; NULL; NULL                    
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y; Y                            
REMARK 200  RADIATION SOURCE               : APS; APS; APS                      
REMARK 200  BEAMLINE                       : 14-BM-D; 14-BM-D; 14-BM-D          
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL; NULL                   
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL; NULL                      
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98046; 0.98032; 0.96480          
REMARK 200  MONOCHROMATOR                  : NULL; NULL; NULL                   
REMARK 200  OPTICS                         : NULL; NULL; NULL                   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; NULL; NULL                    
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4; NULL; NULL         
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 42938                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.010                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 80.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.1                               
REMARK 200  DATA REDUNDANCY                : 6.600                              
REMARK 200  R MERGE                    (I) : 0.07100                            
REMARK 200  R SYM                      (I) : 0.07100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.08                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20100                            
REMARK 200  R SYM FOR SHELL            (I) : 0.20100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.050                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD; NULL; NULL                                
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE, RESOLVE                                        
REMARK 200 STARTING MODEL: NONE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350, PH 7.5, VAPOR DIFFUSION,        
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
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       27.12950            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       99.55550            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.65350            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       99.55550            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.12950            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.65350            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5520 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 24770 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 5.0 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: 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 A1061       83.62   -157.33                                   
REMARK 500    THR A1164     -102.29   -117.06                                   
REMARK 500    VAL A1224      -60.94   -123.31                                   
REMARK 500    PHE A1249       34.65    -80.26                                   
REMARK 500    ALA A1279       33.53   -157.82                                   
REMARK 500    ALA A1299       59.15     38.48                                   
REMARK 500    ARG A1327      118.37    111.93                                   
REMARK 500    SER B1002       -1.43    -57.38                                   
REMARK 500    ALA B1036     -168.65   -167.12                                   
REMARK 500    LEU B1054       94.67    -60.45                                   
REMARK 500    PRO B1063     -178.59    -56.34                                   
REMARK 500    ALA B1069       97.58    -55.60                                   
REMARK 500    THR B1164      -98.02   -117.39                                   
REMARK 500    LEU B1217       53.10   -142.50                                   
REMARK 500    HIS B1256       70.70   -114.22                                   
REMARK 500    ARG B1327      122.42    105.36                                   
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 A5001  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A1210   NE2                                                    
REMARK 620 2 HOH A4139   O    92.8                                              
REMARK 620 3 HIS B1265   NE2  94.2 172.9                                        
REMARK 620 4 EOH B3001   O   162.1  99.4  74.2                                  
REMARK 620 5 HOH B4073   O    99.2  96.5  83.7  66.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A5000  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A1265   NE2                                                    
REMARK 620 2 EOH A3000   O    90.7                                              
REMARK 620 3 HOH A4033   O   172.9  84.5                                        
REMARK 620 4 HOH A4059   O    91.9  77.4  92.0                                  
REMARK 620 5 HIS B1210   NE2  95.0 169.2  90.6  93.2                            
REMARK 620 N                    1     2     3     4                             
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 5000                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 5001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 3000                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 3001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 3002                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 3003                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 3004                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 3005                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 3006                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 3007                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 3008                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH B 3009                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: APC5538   RELATED DB: TARGETDB                           
DBREF  1YXO A 1001  1328  UNP    Q9I5U4   PDXA1_PSEAE      1    328             
DBREF  1YXO B 1001  1328  UNP    Q9I5U4   PDXA1_PSEAE      1    328             
SEQRES   1 A  328  MSE SER LEU ARG PHE ALA LEU THR PRO GLY GLU PRO ALA          
SEQRES   2 A  328  GLY ILE GLY PRO ASP LEU CYS LEU LEU LEU ALA ARG SER          
SEQRES   3 A  328  ALA GLN PRO HIS PRO LEU ILE ALA ILE ALA SER ARG THR          
SEQRES   4 A  328  LEU LEU GLN GLU ARG ALA GLY GLN LEU GLY LEU ALA ILE          
SEQRES   5 A  328  ASP LEU LYS ASP VAL SER PRO ALA ALA TRP PRO GLU ARG          
SEQRES   6 A  328  PRO ALA LYS ALA GLY GLN LEU TYR VAL TRP ASP THR PRO          
SEQRES   7 A  328  LEU ALA ALA PRO VAL ARG PRO GLY GLN LEU ASP ARG ALA          
SEQRES   8 A  328  ASN ALA ALA TYR VAL LEU GLU THR LEU THR ARG ALA GLY          
SEQRES   9 A  328  GLN GLY CYS LEU ASP GLY HIS PHE ALA GLY MSE ILE THR          
SEQRES  10 A  328  ALA PRO VAL HIS LYS GLY VAL ILE ASN GLU ALA GLY ILE          
SEQRES  11 A  328  PRO PHE SER GLY HIS THR GLU PHE LEU ALA ASP LEU THR          
SEQRES  12 A  328  HIS THR ALA GLN VAL VAL MSE MSE LEU ALA THR ARG GLY          
SEQRES  13 A  328  LEU ARG VAL ALA LEU ALA THR THR HIS LEU PRO LEU ARG          
SEQRES  14 A  328  GLU VAL ALA ASP ALA ILE SER ASP GLU ARG LEU THR ARG          
SEQRES  15 A  328  VAL ALA ARG ILE LEU HIS ALA ASP LEU ARG ASP LYS PHE          
SEQRES  16 A  328  GLY ILE ALA HIS PRO ARG ILE LEU VAL CYS GLY LEU ASN          
SEQRES  17 A  328  PRO HIS ALA GLY GLU GLY GLY HIS LEU GLY ARG GLU GLU          
SEQRES  18 A  328  ILE GLU VAL ILE GLU PRO CYS LEU GLU ARG LEU ARG GLY          
SEQRES  19 A  328  GLU GLY LEU ASP LEU ILE GLY PRO LEU PRO ALA ASP THR          
SEQRES  20 A  328  LEU PHE THR PRO LYS HIS LEU GLU HIS CYS ASP ALA VAL          
SEQRES  21 A  328  LEU ALA MSE TYR HIS ASP GLN GLY LEU PRO VAL LEU LYS          
SEQRES  22 A  328  TYR LYS GLY PHE GLY ALA ALA VAL ASN VAL THR LEU GLY          
SEQRES  23 A  328  LEU PRO ILE ILE ARG THR SER VAL ASP HIS GLY THR ALA          
SEQRES  24 A  328  LEU ASP LEU ALA GLY SER GLY ARG ILE ASP SER GLY SER          
SEQRES  25 A  328  LEU GLN VAL ALA LEU GLU THR ALA TYR GLN MSE ALA ALA          
SEQRES  26 A  328  SER ARG CYS                                                  
SEQRES   1 B  328  MSE SER LEU ARG PHE ALA LEU THR PRO GLY GLU PRO ALA          
SEQRES   2 B  328  GLY ILE GLY PRO ASP LEU CYS LEU LEU LEU ALA ARG SER          
SEQRES   3 B  328  ALA GLN PRO HIS PRO LEU ILE ALA ILE ALA SER ARG THR          
SEQRES   4 B  328  LEU LEU GLN GLU ARG ALA GLY GLN LEU GLY LEU ALA ILE          
SEQRES   5 B  328  ASP LEU LYS ASP VAL SER PRO ALA ALA TRP PRO GLU ARG          
SEQRES   6 B  328  PRO ALA LYS ALA GLY GLN LEU TYR VAL TRP ASP THR PRO          
SEQRES   7 B  328  LEU ALA ALA PRO VAL ARG PRO GLY GLN LEU ASP ARG ALA          
SEQRES   8 B  328  ASN ALA ALA TYR VAL LEU GLU THR LEU THR ARG ALA GLY          
SEQRES   9 B  328  GLN GLY CYS LEU ASP GLY HIS PHE ALA GLY MSE ILE THR          
SEQRES  10 B  328  ALA PRO VAL HIS LYS GLY VAL ILE ASN GLU ALA GLY ILE          
SEQRES  11 B  328  PRO PHE SER GLY HIS THR GLU PHE LEU ALA ASP LEU THR          
SEQRES  12 B  328  HIS THR ALA GLN VAL VAL MSE MSE LEU ALA THR ARG GLY          
SEQRES  13 B  328  LEU ARG VAL ALA LEU ALA THR THR HIS LEU PRO LEU ARG          
SEQRES  14 B  328  GLU VAL ALA ASP ALA ILE SER ASP GLU ARG LEU THR ARG          
SEQRES  15 B  328  VAL ALA ARG ILE LEU HIS ALA ASP LEU ARG ASP LYS PHE          
SEQRES  16 B  328  GLY ILE ALA HIS PRO ARG ILE LEU VAL CYS GLY LEU ASN          
SEQRES  17 B  328  PRO HIS ALA GLY GLU GLY GLY HIS LEU GLY ARG GLU GLU          
SEQRES  18 B  328  ILE GLU VAL ILE GLU PRO CYS LEU GLU ARG LEU ARG GLY          
SEQRES  19 B  328  GLU GLY LEU ASP LEU ILE GLY PRO LEU PRO ALA ASP THR          
SEQRES  20 B  328  LEU PHE THR PRO LYS HIS LEU GLU HIS CYS ASP ALA VAL          
SEQRES  21 B  328  LEU ALA MSE TYR HIS ASP GLN GLY LEU PRO VAL LEU LYS          
SEQRES  22 B  328  TYR LYS GLY PHE GLY ALA ALA VAL ASN VAL THR LEU GLY          
SEQRES  23 B  328  LEU PRO ILE ILE ARG THR SER VAL ASP HIS GLY THR ALA          
SEQRES  24 B  328  LEU ASP LEU ALA GLY SER GLY ARG ILE ASP SER GLY SER          
SEQRES  25 B  328  LEU GLN VAL ALA LEU GLU THR ALA TYR GLN MSE ALA ALA          
SEQRES  26 B  328  SER ARG CYS                                                  
MODRES 1YXO MSE A 1001  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE A 1115  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE A 1150  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE A 1151  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE A 1263  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE A 1323  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE B 1001  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE B 1115  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE B 1150  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE B 1151  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE B 1263  MET  SELENOMETHIONINE                                   
MODRES 1YXO MSE B 1323  MET  SELENOMETHIONINE                                   
HET    MSE  A1001       8                                                       
HET    MSE  A1115       8                                                       
HET    MSE  A1150       8                                                       
HET    MSE  A1151       8                                                       
HET    MSE  A1263       8                                                       
HET    MSE  A1323       8                                                       
HET    MSE  B1001       8                                                       
HET    MSE  B1115       8                                                       
HET    MSE  B1150       8                                                       
HET    MSE  B1151       8                                                       
HET    MSE  B1263       8                                                       
HET    MSE  B1323       8                                                       
HET     MG  A5000       1                                                       
HET     MG  A5001       1                                                       
HET    EOH  A3000       3                                                       
HET    EOH  A3002       3                                                       
HET    EOH  A3003       3                                                       
HET    EOH  A3005       3                                                       
HET    EOH  A3006       3                                                       
HET    EOH  A3007       3                                                       
HET    EOH  B3001       3                                                       
HET    EOH  B3004       3                                                       
HET    EOH  B3008       3                                                       
HET    EOH  B3009       3                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     EOH ETHANOL                                                          
FORMUL   1  MSE    12(C5 H11 N O2 SE)                                           
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   5  EOH    10(C2 H6 O)                                                  
FORMUL  15  HOH   *450(H2 O)                                                    
HELIX    1   1 ILE A 1015  ALA A 1024  1                                  10    
HELIX    2   2 SER A 1037  GLY A 1049  1                                  13    
HELIX    3   3 ASP A 1089  ALA A 1091  5                                   3    
HELIX    4   4 ASN A 1092  ASP A 1109  1                                  18    
HELIX    5   5 HIS A 1121  ALA A 1128  1                                   8    
HELIX    6   6 GLY A 1134  THR A 1143  1                                  10    
HELIX    7   7 PRO A 1167  ARG A 1169  5                                   3    
HELIX    8   8 GLU A 1170  ILE A 1175  1                                   6    
HELIX    9   9 SER A 1176  LYS A 1194  1                                  19    
HELIX   10  10 ASN A 1208  GLU A 1213  5                                   6    
HELIX   11  11 ARG A 1219  VAL A 1224  1                                   6    
HELIX   12  12 VAL A 1224  GLY A 1234  1                                  11    
HELIX   13  13 PRO A 1244  PHE A 1249  1                                   6    
HELIX   14  14 THR A 1250  GLU A 1255  1                                   6    
HELIX   15  15 TYR A 1264  PHE A 1277  1                                  14    
HELIX   16  16 ALA A 1299  ALA A 1303  5                                   5    
HELIX   17  17 SER A 1310  ARG A 1327  1                                  18    
HELIX   18  18 ILE B 1015  LEU B 1023  1                                   9    
HELIX   19  19 ALA B 1024  SER B 1026  5                                   3    
HELIX   20  20 SER B 1037  GLY B 1049  1                                  13    
HELIX   21  21 ASP B 1089  ALA B 1091  5                                   3    
HELIX   22  22 ASN B 1092  ASP B 1109  1                                  18    
HELIX   23  23 HIS B 1121  ALA B 1128  1                                   8    
HELIX   24  24 GLY B 1134  THR B 1143  1                                  10    
HELIX   25  25 PRO B 1167  ARG B 1169  5                                   3    
HELIX   26  26 GLU B 1170  ILE B 1175  1                                   6    
HELIX   27  27 SER B 1176  LYS B 1194  1                                  19    
HELIX   28  28 ASN B 1208  GLU B 1213  5                                   6    
HELIX   29  29 ARG B 1219  VAL B 1224  1                                   6    
HELIX   30  30 VAL B 1224  GLU B 1235  1                                  12    
HELIX   31  31 PRO B 1244  PHE B 1249  1                                   6    
HELIX   32  32 THR B 1250  GLU B 1255  1                                   6    
HELIX   33  33 TYR B 1264  GLY B 1276  1                                  13    
HELIX   34  34 ALA B 1299  ALA B 1303  5                                   5    
HELIX   35  35 SER B 1310  ARG B 1327  1                                  18    
SHEET    1   A12 ASP A1053  ASP A1056  0                                        
SHEET    2   A12 GLN A1071  ASP A1076  1  O  LEU A1072   N  ASP A1053           
SHEET    3   A12 LEU A1032  ALA A1036  1  N  ALA A1034   O  TRP A1075           
SHEET    4   A12 PHE A1005  THR A1008  1  N  PHE A1005   O  ILE A1033           
SHEET    5   A12 GLY A1114  THR A1117  1  O  ILE A1116   N  ALA A1006           
SHEET    6   A12 ARG A1291  VAL A1294  1  O  THR A1292   N  THR A1117           
SHEET    7   A12 VAL A1281  LEU A1285 -1  N  ASN A1282   O  SER A1293           
SHEET    8   A12 VAL A1149  THR A1154 -1  N  MSE A1151   O  VAL A1283           
SHEET    9   A12 LEU A1157  LEU A1161 -1  O  VAL A1159   N  LEU A1152           
SHEET   10   A12 ALA A1259  ALA A1262  1  O  VAL A1260   N  ALA A1160           
SHEET   11   A12 ARG A1201  CYS A1205  1  N  LEU A1203   O  LEU A1261           
SHEET   12   A12 ASP A1238  LEU A1243  1  O  ILE A1240   N  VAL A1204           
SHEET    1   B12 ASP B1053  ASP B1056  0                                        
SHEET    2   B12 GLN B1071  ASP B1076  1  O  VAL B1074   N  LYS B1055           
SHEET    3   B12 LEU B1032  ALA B1036  1  N  ALA B1034   O  TRP B1075           
SHEET    4   B12 PHE B1005  THR B1008  1  N  LEU B1007   O  ILE B1033           
SHEET    5   B12 GLY B1114  THR B1117  1  O  ILE B1116   N  ALA B1006           
SHEET    6   B12 ARG B1291  VAL B1294  1  O  THR B1292   N  THR B1117           
SHEET    7   B12 VAL B1281  LEU B1285 -1  N  ASN B1282   O  SER B1293           
SHEET    8   B12 VAL B1149  THR B1154 -1  N  MSE B1151   O  VAL B1283           
SHEET    9   B12 LEU B1157  LEU B1161 -1  O  VAL B1159   N  LEU B1152           
SHEET   10   B12 ALA B1259  ALA B1262  1  O  VAL B1260   N  ARG B1158           
SHEET   11   B12 ARG B1201  CYS B1205  1  N  LEU B1203   O  LEU B1261           
SHEET   12   B12 ASP B1238  LEU B1243  1  O  ILE B1240   N  VAL B1204           
LINK         C   MSE A1001                 N   SER A1002     1555   1555  1.33  
LINK         C   GLY A1114                 N   MSE A1115     1555   1555  1.33  
LINK         C   MSE A1115                 N   ILE A1116     1555   1555  1.33  
LINK         C   VAL A1149                 N   MSE A1150     1555   1555  1.32  
LINK         C   MSE A1150                 N   MSE A1151     1555   1555  1.33  
LINK         C   MSE A1151                 N   LEU A1152     1555   1555  1.33  
LINK         C   ALA A1262                 N   MSE A1263     1555   1555  1.33  
LINK         C   MSE A1263                 N   TYR A1264     1555   1555  1.33  
LINK         C   GLN A1322                 N   MSE A1323     1555   1555  1.33  
LINK         C   MSE A1323                 N   ALA A1324     1555   1555  1.33  
LINK         C   MSE B1001                 N   SER B1002     1555   1555  1.33  
LINK         C   GLY B1114                 N   MSE B1115     1555   1555  1.33  
LINK         C   MSE B1115                 N   ILE B1116     1555   1555  1.33  
LINK         C   VAL B1149                 N   MSE B1150     1555   1555  1.33  
LINK         C   MSE B1150                 N   MSE B1151     1555   1555  1.33  
LINK         C   MSE B1151                 N   LEU B1152     1555   1555  1.33  
LINK         C   ALA B1262                 N   MSE B1263     1555   1555  1.33  
LINK         C   MSE B1263                 N   TYR B1264     1555   1555  1.33  
LINK         C   GLN B1322                 N   MSE B1323     1555   1555  1.33  
LINK         C   MSE B1323                 N   ALA B1324     1555   1555  1.33  
LINK         NE2 HIS A1210                MG    MG A5001     1555   1555  2.07  
LINK         NE2 HIS A1265                MG    MG A5000     1555   1555  2.32  
LINK         O   EOH A3000                MG    MG A5000     1555   1555  2.25  
LINK         O   HOH A4033                MG    MG A5000     1555   1555  2.26  
LINK         O   HOH A4059                MG    MG A5000     1555   1555  1.91  
LINK         O   HOH A4139                MG    MG A5001     1555   1555  2.21  
LINK        MG    MG A5000                 NE2 HIS B1210     1555   1555  2.07  
LINK        MG    MG A5001                 NE2 HIS B1265     1555   1555  2.49  
LINK        MG    MG A5001                 O   EOH B3001     1555   1555  2.61  
LINK        MG    MG A5001                 O   HOH B4073     1555   1555  2.06  
CISPEP   1 GLY A 1241    PRO A 1242          0         0.41                     
CISPEP   2 GLY B 1241    PRO B 1242          0         0.21                     
SITE     1 AC1  5 HIS A1265  EOH A3000  HOH A4033  HOH A4059                    
SITE     2 AC1  5 HIS B1210                                                     
SITE     1 AC2  6 HIS A1210  HOH A4139  HIS B1165  HIS B1265                    
SITE     2 AC2  6 EOH B3001  HOH B4073                                          
SITE     1 AC3  8 MSE A1150  HIS A1165  HIS A1265  LEU A1269                    
SITE     2 AC3  8 ASP A1295  HOH A4033  HOH A4059   MG A5000                    
SITE     1 AC4  8 HOH A4139   MG A5001  MSE B1150  HIS B1165                    
SITE     2 AC4  8 HIS B1265  LEU B1269  ASP B1295  HOH B4073                    
SITE     1 AC5  4 CYS A1107  PHE A1112  ASN A1126  HOH A4029                    
SITE     1 AC6  4 HIS A1210  PRO A1244  ASP A1246  THR A1247                    
SITE     1 AC7  4 THR B1163  THR B1164  LEU B1166  ARG B1179                    
SITE     1 AC8  2 LYS A1273  ASP A1295                                          
SITE     1 AC9  7 GLU A1064  ARG A1065  ALA A1140  ASP A1141                    
SITE     2 AC9  7 HIS A1144  THR A1145  ALA A1146                               
SITE     1 BC1  3 GLU A1043  PRO A1082  VAL A1083                               
SITE     1 BC2  3 ARG B1004  TRP B1062  HIS B1111                               
SITE     1 BC3  7 GLY B1156  LEU B1157  ARG B1158  LEU B1254                    
SITE     2 BC3  7 CYS B1257  ASP B1258  HOH B4360                               
CRYST1   54.259   59.307  199.111  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.018430  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016861  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005022        0.00000                         
HETATM    1  N   MSE A1001      27.545  12.889  45.595  1.00 54.98           N  
HETATM    2  CA  MSE A1001      27.858  12.813  44.140  1.00 54.00           C  
HETATM    3  C   MSE A1001      29.094  11.943  43.933  1.00 50.37           C  
HETATM    4  O   MSE A1001      29.220  11.266  42.913  1.00 49.68           O  
HETATM    5  CB  MSE A1001      28.121  14.218  43.581  1.00 58.90           C  
HETATM    6  CG  MSE A1001      28.205  14.287  42.056  1.00 63.89           C  
HETATM    7 SE   MSE A1001      26.470  14.273  41.180  1.00 70.94          SE  
HETATM    8  CE  MSE A1001      26.766  15.684  39.890  1.00 68.11           C