1IXP - Header Asymmetric Unit

HEADER BIOSYNTHETIC PROTEIN 28-JUN-02 1IXP

TITLE ENZYME-PHOSPHATE COMPLEX OF PYRIDOXINE 5'-PHOSPHATE SYNTHASE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYRIDOXINE 5'-PHOSPHATE SYNTHASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: PYRIDOXAL PHOSPHATE BIOSYNTHETIC PROTEIN PDXJ; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PDXJ; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: JM83; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PASK-IBA3

KEYWDS TIM BARREL, ENZYME-LIGAND COMPLEX, OPEN-CLOSED TRANSITION, KEYWDS 2 BIOSYNTHETIC PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR M.GARRIDO-FRANCO,B.LABER,R.HUBER,T.CLAUSEN

REVDAT 3 13-JUL-11 1IXP 1 VERSN REVDAT 2 24-FEB-09 1IXP 1 VERSN REVDAT 1 11-FEB-03 1IXP 0

JRNL AUTH M.GARRIDO-FRANCO,B.LABER,R.HUBER,T.CLAUSEN JRNL TITL ENZYME-LIGAND COMPLEXES OF PYRIDOXINE 5'-PHOSPHATE SYNTHASE: JRNL TITL 2 IMPLICATIONS FOR SUBSTRATE BINDING AND CATALYSIS JRNL REF J.MOL.BIOL. V. 321 601 2002 JRNL REFN ISSN 0022-2836 JRNL PMID 12206776 JRNL DOI 10.1016/S0022-2836(02)00695-2

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.GARRIDO-FRANCO,R.HUBER,F.S.SCHMIDT,B.LABER,T.CLAUSEN REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY CRYSTALLOGRAPHIC REMARK 1 TITL 2 ANALYSIS OF PDXJ, THE PYRIDOXINE 5'-PHOSPHATE SYNTHESIZING REMARK 1 TITL 3 ENZYME REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 56 1045 2000 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444900007368 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.GARRIDO-FRANCO,B.LABER,R.HUBER,T.CLAUSEN REMARK 1 TITL STRUCTURAL BASIS FOR THE FUNCTION OF PYRIDOXINE 5'-PHOSPHATE REMARK 1 TITL 2 SYNTHASE REMARK 1 REF STRUCTURE V. 9 245 2001 REMARK 1 REFN ISSN 0969-2126 REMARK 1 DOI 10.1016/S0969-2126(01)00584-6

REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 55905 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2729 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7298 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 544 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.44 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.840 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1IXP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-JUL-02. REMARK 100 THE RCSB ID CODE IS RCSB005380.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JAN-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : SI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 190793 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.12300 REMARK 200 R SYM (I) : 0.12300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.38100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS REMARK 200 SOFTWARE USED: SHARP REMARK 200 STARTING MODEL: NATIVE STRUCTURE REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG6000, 2M NACL, PH 7.5, VAPOR REMARK 280 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 65.20000 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 65.20000 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 66.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 77.40000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 66.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 77.40000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 65.20000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 66.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 77.40000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 65.20000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 66.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 77.40000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS AN OCTAMER GENERATED FROM THE REMARK 300 TETRAMER IN THE ASYMMETRIC UNIT BY THE OPERATIONS: X,-Y,-Z

REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: OCTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3300 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18800 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 APPLY THE FOLLOWING TO CHAINS: C REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000

REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 97 CG CD CE NZ REMARK 470 ARG A 98 CG CD NE CZ NH1 NH2 REMARK 470 THR A 103 OG1 CG2 REMARK 470 LYS B 97 CG CD CE NZ REMARK 470 ARG B 98 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 99 CG CD OE1 NE2 REMARK 470 THR B 103 OG1 CG2 REMARK 470 LYS C 97 CG CD CE NZ REMARK 470 ARG C 98 CG CD NE CZ NH1 NH2 REMARK 470 THR C 103 OG1 CG2 REMARK 470 ARG D 98 CG CD NE CZ NH1 NH2 REMARK 470 LYS D 177 CG CD CE NZ

REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 HIS A 52 -89.55 -131.35 REMARK 500 THR A 67 -99.59 -99.77 REMARK 500 ALA A 110 -9.77 -59.74 REMARK 500 MET A 224 -60.62 -92.92 REMARK 500 ALA B 19 2.96 -64.59 REMARK 500 ARG B 20 -14.47 -142.24 REMARK 500 ARG B 50 48.74 30.16 REMARK 500 HIS B 52 -90.84 -126.79 REMARK 500 THR B 67 -116.22 -103.99 REMARK 500 THR B 102 -164.74 -76.82 REMARK 500 GLN B 112 38.53 -153.22 REMARK 500 ALA B 191 -161.75 -166.69 REMARK 500 ARG C 20 -23.92 -140.60 REMARK 500 ARG C 50 43.02 32.39 REMARK 500 HIS C 52 -77.22 -125.18 REMARK 500 THR C 67 -110.48 -101.55 REMARK 500 THR C 102 -168.08 -116.38 REMARK 500 ALA C 162 119.01 -35.67 REMARK 500 ALA C 191 -168.04 -168.62 REMARK 500 HIS C 210 -62.31 -93.77 REMARK 500 ARG C 242 31.76 -98.51 REMARK 500 ARG D 20 -11.91 -155.12 REMARK 500 PRO D 27 -37.14 -39.97 REMARK 500 HIS D 52 -87.09 -117.39 REMARK 500 THR D 67 -98.95 -92.82 REMARK 500 ALA D 191 -164.22 -166.35 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1090 DISTANCE = 5.21 ANGSTROMS REMARK 525 HOH B1098 DISTANCE = 5.67 ANGSTROMS REMARK 525 HOH B1107 DISTANCE = 5.76 ANGSTROMS REMARK 525 HOH B1111 DISTANCE = 5.37 ANGSTROMS REMARK 525 HOH B1130 DISTANCE = 5.13 ANGSTROMS REMARK 525 HOH B1131 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH C1063 DISTANCE = 5.48 ANGSTROMS REMARK 525 HOH C1093 DISTANCE = 5.34 ANGSTROMS REMARK 525 HOH C1107 DISTANCE = 5.01 ANGSTROMS REMARK 525 HOH D1101 DISTANCE = 5.36 ANGSTROMS REMARK 525 HOH D1156 DISTANCE = 7.11 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 1004 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 1005 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 1006 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 D 1007 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 D 1008

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HO1 RELATED DB: PDB REMARK 900 1HO1 CONTAINS PYRIDOXINE 5'-PHOSPHATE SYNTHASE REMARK 900 RELATED ID: 1HO4 RELATED DB: PDB REMARK 900 1HO4 CONTAINS PYRIDOXINE 5'-PHOSPHATE SYNTHASE COMPLEXED REMARK 900 WITH INORGANIC PHOSPHATE REMARK 900 RELATED ID: 1IXN RELATED DB: PDB REMARK 900 1IXN CONTAINS ENZYME-SUBSTRATE COMPLEX OF PYRIDOXINE 5'- REMARK 900 PHOSPHATE SYNTHASE REMARK 900 RELATED ID: 1IXO RELATED DB: PDB REMARK 900 1IXO IS ENZYME-ANALOGUE SUBSTRATE COMPLEX OF PYRIDOXINE 5'- REMARK 900 PHOSPHATE SYNTHASE REMARK 900 RELATED ID: 1IXQ RELATED DB: PDB REMARK 900 1IXQ CONTAINS ENZYME-PHOSPHATE2 COMPLEX OF PYRIDOXINE 5'- REMARK 900 PHOSPHATE SYNTHASE

DBREF 1IXP A 2 243 UNP P0A794 PDXJ_ECOLI 1 242 DBREF 1IXP B 2 243 UNP P0A794 PDXJ_ECOLI 1 242 DBREF 1IXP C 2 243 UNP P0A794 PDXJ_ECOLI 1 242 DBREF 1IXP D 2 243 UNP P0A794 PDXJ_ECOLI 1 242

SEQRES 1 A 242 ALA GLU LEU LEU LEU GLY VAL ASN ILE ASP HIS ILE ALA SEQRES 2 A 242 THR LEU ARG ASN ALA ARG GLY THR ALA TYR PRO ASP PRO SEQRES 3 A 242 VAL GLN ALA ALA PHE ILE ALA GLU GLN ALA GLY ALA ASP SEQRES 4 A 242 GLY ILE THR VAL HIS LEU ARG GLU ASP ARG ARG HIS ILE SEQRES 5 A 242 THR ASP ARG ASP VAL ARG ILE LEU ARG GLN THR LEU ASP SEQRES 6 A 242 THR ARG MET ASN LEU GLU MET ALA VAL THR GLU GLU MET SEQRES 7 A 242 LEU ALA ILE ALA VAL GLU THR LYS PRO HIS PHE CYS CYS SEQRES 8 A 242 LEU VAL PRO GLU LYS ARG GLN GLU VAL THR THR GLU GLY SEQRES 9 A 242 GLY LEU ASP VAL ALA GLY GLN ARG ASP LYS MET ARG ASP SEQRES 10 A 242 ALA CYS LYS ARG LEU ALA ASP ALA GLY ILE GLN VAL SER SEQRES 11 A 242 LEU PHE ILE ASP ALA ASP GLU GLU GLN ILE LYS ALA ALA SEQRES 12 A 242 ALA GLU VAL GLY ALA PRO PHE ILE GLU ILE HIS THR GLY SEQRES 13 A 242 CYS TYR ALA ASP ALA LYS THR ASP ALA GLU GLN ALA GLN SEQRES 14 A 242 GLU LEU ALA ARG ILE ALA LYS ALA ALA THR PHE ALA ALA SEQRES 15 A 242 SER LEU GLY LEU LYS VAL ASN ALA GLY HIS GLY LEU THR SEQRES 16 A 242 TYR HIS ASN VAL LYS ALA ILE ALA ALA ILE PRO GLU MET SEQRES 17 A 242 HIS GLU LEU ASN ILE GLY HIS ALA ILE ILE GLY ARG ALA SEQRES 18 A 242 VAL MET THR GLY LEU LYS ASP ALA VAL ALA GLU MET LYS SEQRES 19 A 242 ARG LEU MET LEU GLU ALA ARG GLY SEQRES 1 B 242 ALA GLU LEU LEU LEU GLY VAL ASN ILE ASP HIS ILE ALA SEQRES 2 B 242 THR LEU ARG ASN ALA ARG GLY THR ALA TYR PRO ASP PRO SEQRES 3 B 242 VAL GLN ALA ALA PHE ILE ALA GLU GLN ALA GLY ALA ASP SEQRES 4 B 242 GLY ILE THR VAL HIS LEU ARG GLU ASP ARG ARG HIS ILE SEQRES 5 B 242 THR ASP ARG ASP VAL ARG ILE LEU ARG GLN THR LEU ASP SEQRES 6 B 242 THR ARG MET ASN LEU GLU MET ALA VAL THR GLU GLU MET SEQRES 7 B 242 LEU ALA ILE ALA VAL GLU THR LYS PRO HIS PHE CYS CYS SEQRES 8 B 242 LEU VAL PRO GLU LYS ARG GLN GLU VAL THR THR GLU GLY SEQRES 9 B 242 GLY LEU ASP VAL ALA GLY GLN ARG ASP LYS MET ARG ASP SEQRES 10 B 242 ALA CYS LYS ARG LEU ALA ASP ALA GLY ILE GLN VAL SER SEQRES 11 B 242 LEU PHE ILE ASP ALA ASP GLU GLU GLN ILE LYS ALA ALA SEQRES 12 B 242 ALA GLU VAL GLY ALA PRO PHE ILE GLU ILE HIS THR GLY SEQRES 13 B 242 CYS TYR ALA ASP ALA LYS THR ASP ALA GLU GLN ALA GLN SEQRES 14 B 242 GLU LEU ALA ARG ILE ALA LYS ALA ALA THR PHE ALA ALA SEQRES 15 B 242 SER LEU GLY LEU LYS VAL ASN ALA GLY HIS GLY LEU THR SEQRES 16 B 242 TYR HIS ASN VAL LYS ALA ILE ALA ALA ILE PRO GLU MET SEQRES 17 B 242 HIS GLU LEU ASN ILE GLY HIS ALA ILE ILE GLY ARG ALA SEQRES 18 B 242 VAL MET THR GLY LEU LYS ASP ALA VAL ALA GLU MET LYS SEQRES 19 B 242 ARG LEU MET LEU GLU ALA ARG GLY SEQRES 1 C 242 ALA GLU LEU LEU LEU GLY VAL ASN ILE ASP HIS ILE ALA SEQRES 2 C 242 THR LEU ARG ASN ALA ARG GLY THR ALA TYR PRO ASP PRO SEQRES 3 C 242 VAL GLN ALA ALA PHE ILE ALA GLU GLN ALA GLY ALA ASP SEQRES 4 C 242 GLY ILE THR VAL HIS LEU ARG GLU ASP ARG ARG HIS ILE SEQRES 5 C 242 THR ASP ARG ASP VAL ARG ILE LEU ARG GLN THR LEU ASP SEQRES 6 C 242 THR ARG MET ASN LEU GLU MET ALA VAL THR GLU GLU MET SEQRES 7 C 242 LEU ALA ILE ALA VAL GLU THR LYS PRO HIS PHE CYS CYS SEQRES 8 C 242 LEU VAL PRO GLU LYS ARG GLN GLU VAL THR THR GLU GLY SEQRES 9 C 242 GLY LEU ASP VAL ALA GLY GLN ARG ASP LYS MET ARG ASP SEQRES 10 C 242 ALA CYS LYS ARG LEU ALA ASP ALA GLY ILE GLN VAL SER SEQRES 11 C 242 LEU PHE ILE ASP ALA ASP GLU GLU GLN ILE LYS ALA ALA SEQRES 12 C 242 ALA GLU VAL GLY ALA PRO PHE ILE GLU ILE HIS THR GLY SEQRES 13 C 242 CYS TYR ALA ASP ALA LYS THR ASP ALA GLU GLN ALA GLN SEQRES 14 C 242 GLU LEU ALA ARG ILE ALA LYS ALA ALA THR PHE ALA ALA SEQRES 15 C 242 SER LEU GLY LEU LYS VAL ASN ALA GLY HIS GLY LEU THR SEQRES 16 C 242 TYR HIS ASN VAL LYS ALA ILE ALA ALA ILE PRO GLU MET SEQRES 17 C 242 HIS GLU LEU ASN ILE GLY HIS ALA ILE ILE GLY ARG ALA SEQRES 18 C 242 VAL MET THR GLY LEU LYS ASP ALA VAL ALA GLU MET LYS SEQRES 19 C 242 ARG LEU MET LEU GLU ALA ARG GLY SEQRES 1 D 242 ALA GLU LEU LEU LEU GLY VAL ASN ILE ASP HIS ILE ALA SEQRES 2 D 242 THR LEU ARG ASN ALA ARG GLY THR ALA TYR PRO ASP PRO SEQRES 3 D 242 VAL GLN ALA ALA PHE ILE ALA GLU GLN ALA GLY ALA ASP SEQRES 4 D 242 GLY ILE THR VAL HIS LEU ARG GLU ASP ARG ARG HIS ILE SEQRES 5 D 242 THR ASP ARG ASP VAL ARG ILE LEU ARG GLN THR LEU ASP SEQRES 6 D 242 THR ARG MET ASN LEU GLU MET ALA VAL THR GLU GLU MET SEQRES 7 D 242 LEU ALA ILE ALA VAL GLU THR LYS PRO HIS PHE CYS CYS SEQRES 8 D 242 LEU VAL PRO GLU LYS ARG GLN GLU VAL THR THR GLU GLY SEQRES 9 D 242 GLY LEU ASP VAL ALA GLY GLN ARG ASP LYS MET ARG ASP SEQRES 10 D 242 ALA CYS LYS ARG LEU ALA ASP ALA GLY ILE GLN VAL SER SEQRES 11 D 242 LEU PHE ILE ASP ALA ASP GLU GLU GLN ILE LYS ALA ALA SEQRES 12 D 242 ALA GLU VAL GLY ALA PRO PHE ILE GLU ILE HIS THR GLY SEQRES 13 D 242 CYS TYR ALA ASP ALA LYS THR ASP ALA GLU GLN ALA GLN SEQRES 14 D 242 GLU LEU ALA ARG ILE ALA LYS ALA ALA THR PHE ALA ALA SEQRES 15 D 242 SER LEU GLY LEU LYS VAL ASN ALA GLY HIS GLY LEU THR SEQRES 16 D 242 TYR HIS ASN VAL LYS ALA ILE ALA ALA ILE PRO GLU MET SEQRES 17 D 242 HIS GLU LEU ASN ILE GLY HIS ALA ILE ILE GLY ARG ALA SEQRES 18 D 242 VAL MET THR GLY LEU LYS ASP ALA VAL ALA GLU MET LYS SEQRES 19 D 242 ARG LEU MET LEU GLU ALA ARG GLY

HET PO4 A1001 5 HET PO4 A1002 5 HET PO4 C1003 5 HET PO4 C1004 5 HET PO4 B1005 5 HET PO4 B1006 5 HET PO4 D1007 5 HET PO4 D1008 5

HETNAM PO4 PHOSPHATE ION

FORMUL 5 PO4 8(O4 P 3-) FORMUL 13 HOH *544(H2 O)

HELIX 1 1 ILE A 10 ALA A 19 1 10 HELIX 2 2 ASP A 26 GLN A 36 1 11 HELIX 3 3 THR A 54 LEU A 65 1 12 HELIX 4 4 THR A 76 LYS A 87 1 12 HELIX 5 5 GLN A 112 ALA A 126 1 15 HELIX 6 6 ASP A 137 VAL A 147 1 11 HELIX 7 7 THR A 156 ASP A 161 1 6 HELIX 8 8 THR A 164 SER A 184 1 21 HELIX 9 9 ASN A 199 ALA A 205 1 7 HELIX 10 10 GLY A 215 GLY A 226 1 12 HELIX 11 11 GLY A 226 ARG A 242 1 17 HELIX 12 12 ILE B 10 ALA B 19 1 10 HELIX 13 13 ASP B 26 GLN B 36 1 11 HELIX 14 14 THR B 54 LEU B 65 1 12 HELIX 15 15 THR B 76 LYS B 87 1 12 HELIX 16 16 LYS B 97 VAL B 101 5 5 HELIX 17 17 GLN B 112 ALA B 126 1 15 HELIX 18 18 ASP B 137 GLY B 148 1 12 HELIX 19 19 THR B 156 ALA B 162 1 7 HELIX 20 20 THR B 164 LEU B 185 1 22 HELIX 21 21 ASN B 199 ILE B 206 1 8 HELIX 22 22 GLY B 215 GLY B 226 1 12 HELIX 23 23 GLY B 226 GLY B 243 1 18 HELIX 24 24 ILE C 10 ALA C 19 1 10 HELIX 25 25 ASP C 26 GLN C 36 1 11 HELIX 26 26 THR C 54 LEU C 65 1 12 HELIX 27 27 THR C 76 LYS C 87 1 12 HELIX 28 28 GLN C 112 ALA C 126 1 15 HELIX 29 29 ASP C 137 VAL C 147 1 11 HELIX 30 30 THR C 156 ALA C 162 1 7 HELIX 31 31 THR C 164 LEU C 185 1 22 HELIX 32 32 ASN C 199 ALA C 205 1 7 HELIX 33 33 GLY C 215 GLY C 226 1 12 HELIX 34 34 GLY C 226 ARG C 242 1 17 HELIX 35 35 ILE D 10 ALA D 19 1 10 HELIX 36 36 ASP D 26 GLN D 36 1 11 HELIX 37 37 THR D 54 LEU D 65 1 12 HELIX 38 38 THR D 76 LYS D 87 1 12 HELIX 39 39 LYS D 97 VAL D 101 5 5 HELIX 40 40 VAL D 109 GLY D 111 5 3 HELIX 41 41 GLN D 112 ALA D 126 1 15 HELIX 42 42 ASP D 137 GLY D 148 1 12 HELIX 43 43 THR D 156 ASP D 161 1 6 HELIX 44 44 THR D 164 SER D 184 1 21 HELIX 45 45 ASN D 199 ALA D 205 1 7 HELIX 46 46 GLY D 215 GLY D 226 1 12 HELIX 47 47 GLY D 226 ARG D 242 1 17

SHEET 1 A 9 LEU A 5 ASN A 9 0 SHEET 2 A 9 GLY A 41 HIS A 45 1 O GLY A 41 N VAL A 8 SHEET 3 A 9 MET A 69 MET A 73 1 O GLU A 72 N VAL A 44 SHEET 4 A 9 PHE A 90 LEU A 93 1 O CYS A 92 N LEU A 71 SHEET 5 A 9 GLN A 129 ILE A 134 1 O SER A 131 N CYS A 91 SHEET 6 A 9 PHE A 151 ILE A 154 1 O GLU A 153 N ILE A 134 SHEET 7 A 9 LYS A 188 ALA A 191 1 O ASN A 190 N ILE A 152 SHEET 8 A 9 MET A 209 ILE A 214 1 O ASN A 213 N ALA A 191 SHEET 9 A 9 LEU A 5 ASN A 9 1 N GLY A 7 O LEU A 212 SHEET 1 B 9 LEU B 5 ASN B 9 0 SHEET 2 B 9 GLY B 41 HIS B 45 1 O THR B 43 N VAL B 8 SHEET 3 B 9 MET B 69 MET B 73 1 O GLU B 72 N VAL B 44 SHEET 4 B 9 PHE B 90 LEU B 93 1 O CYS B 92 N LEU B 71 SHEET 5 B 9 GLN B 129 ILE B 134 1 O SER B 131 N LEU B 93 SHEET 6 B 9 PHE B 151 ILE B 154 1 O GLU B 153 N LEU B 132 SHEET 7 B 9 LYS B 188 ALA B 191 1 O ASN B 190 N ILE B 152 SHEET 8 B 9 MET B 209 ILE B 214 1 O ASN B 213 N ALA B 191 SHEET 9 B 9 LEU B 5 ASN B 9 1 N GLY B 7 O LEU B 212 SHEET 1 C 9 LEU C 5 ASN C 9 0 SHEET 2 C 9 GLY C 41 HIS C 45 1 O THR C 43 N VAL C 8 SHEET 3 C 9 MET C 69 MET C 73 1 O GLU C 72 N VAL C 44 SHEET 4 C 9 PHE C 90 LEU C 93 1 O PHE C 90 N LEU C 71 SHEET 5 C 9 GLN C 129 ILE C 134 1 O SER C 131 N CYS C 91 SHEET 6 C 9 PHE C 151 ILE C 154 1 O GLU C 153 N LEU C 132 SHEET 7 C 9 LYS C 188 ALA C 191 1 O ASN C 190 N ILE C 152 SHEET 8 C 9 MET C 209 ILE C 214 1 O HIS C 210 N VAL C 189 SHEET 9 C 9 LEU C 5 ASN C 9 1 N GLY C 7 O LEU C 212 SHEET 1 D 9 LEU D 5 ASN D 9 0 SHEET 2 D 9 GLY D 41 HIS D 45 1 O THR D 43 N VAL D 8 SHEET 3 D 9 MET D 69 MET D 73 1 O GLU D 72 N VAL D 44 SHEET 4 D 9 PHE D 90 LEU D 93 1 O PHE D 90 N LEU D 71 SHEET 5 D 9 GLN D 129 ILE D 134 1 O SER D 131 N CYS D 91 SHEET 6 D 9 PHE D 151 ILE D 154 1 O GLU D 153 N LEU D 132 SHEET 7 D 9 LYS D 188 ALA D 191 1 O ASN D 190 N ILE D 152 SHEET 8 D 9 MET D 209 ILE D 214 1 O ASN D 213 N ALA D 191 SHEET 9 D 9 LEU D 5 ASN D 9 1 N GLY D 7 O LEU D 212

CISPEP 1 TYR A 24 PRO A 25 0 -0.54 CISPEP 2 TYR B 24 PRO B 25 0 -0.35 CISPEP 3 TYR C 24 PRO C 25 0 -0.32 CISPEP 4 TYR D 24 PRO D 25 0 -0.31

SITE 1 AC1 6 ASP A 11 HIS A 12 ARG A 20 HIS A 52 SITE 2 AC1 6 HOH A1087 HOH A1089 SITE 1 AC2 9 ARG A 20 GLY A 192 HIS A 193 GLY A 194 SITE 2 AC2 9 ILE A 214 GLY A 215 HIS A 216 HOH A1034 SITE 3 AC2 9 HOH A1087 SITE 1 AC3 10 ARG B 20 GLY C 192 HIS C 193 GLY C 194 SITE 2 AC3 10 ASN C 213 ILE C 214 GLY C 215 HIS C 216 SITE 3 AC3 10 ALA C 217 HOH C1100 SITE 1 AC4 6 ARG B 20 ASP C 11 HIS C 12 HIS C 45 SITE 2 AC4 6 HIS C 52 HOH C1100 SITE 1 AC5 8 GLY B 192 HIS B 193 GLY B 194 ILE B 214 SITE 2 AC5 8 GLY B 215 HIS B 216 HOH B1091 ARG C 20 SITE 1 AC6 6 ASP B 11 HIS B 12 HIS B 45 HIS B 52 SITE 2 AC6 6 ARG C 20 HOH C1065 SITE 1 AC7 7 ASP D 11 HIS D 12 ARG D 20 HIS D 45 SITE 2 AC7 7 HIS D 52 HOH D1012 HOH D1123 SITE 1 AC8 11 ARG D 20 GLY D 192 HIS D 193 GLY D 194 SITE 2 AC8 11 ASN D 213 ILE D 214 GLY D 215 HIS D 216 SITE 3 AC8 11 ALA D 217 HOH D1012 HOH D1114

CRYST1 132.000 154.800 130.400 90.00 90.00 90.00 C 2 2 21 32

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 0.007576 0.000000 0.000000 0.00000

SCALE2 0.000000 0.006460 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007669 0.00000