PDB Short entry for 1TD2 HEADER TRANSFERASE 21-MAY-04 1TD2 TITLE CRYSTAL STRUCTURE OF THE PDXY PROTEIN FROM ESCHERICHIA COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYRIDOXAMINE KINASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PM KINASE, PDXY PROTEIN; COMPND 5 EC: 2.7.1.35; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PDXY, B1636; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: HMS 174(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET 22 KEYWDS PYRIDOXAL KINASE, RIBOKINASE FAMILY, KINASE, PHOSPHORYLATION, PDXY, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.K.SAFO,F.N.MUSAYEV,S.HUNT,M.DI SALVO,N.SCARSDALE,V.SCHIRCH REVDAT 5 23-AUG-23 1TD2 1 REMARK LINK REVDAT 4 24-FEB-09 1TD2 1 VERSN REVDAT 3 14-DEC-04 1TD2 1 JRNL REVDAT 2 10-AUG-04 1TD2 3 REMARK ATOM REVDAT 1 13-JUL-04 1TD2 0 JRNL AUTH M.K.SAFO,F.N.MUSAYEV,S.HUNT,M.L.DI SALVO,N.SCARSDALE, JRNL AUTH 2 V.SCHIRCH JRNL TITL CRYSTAL STRUCTURE OF THE PDXY PROTEIN FROM ESCHERICHIA COLI JRNL REF J.BACTERIOL. V. 186 8074 2004 JRNL REFN ISSN 0021-9193 JRNL PMID 15547280 JRNL DOI 10.1128/JB.186.23.8074-8082.2004 REMARK 2 REMARK 2 RESOLUTION. 2.22 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) : 2.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1494344.730 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.4 REMARK 3 NUMBER OF REFLECTIONS : 27678 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) : 0.176 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1388 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) : 2.22 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4372 REMARK 3 BIN R VALUE (WORKING SET) : 0.2270 REMARK 3 BIN FREE R VALUE : 0.3210 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 216 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4402 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 29 REMARK 3 SOLVENT ATOMS : 386 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.91000 REMARK 3 B22 (A**2) : -5.37000 REMARK 3 B33 (A**2) : 7.29000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -9.37000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.24 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.34 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.990 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 52.67 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 : SULFATE.PARAM REMARK 3 PARAMETER FILE 4 : PL_COV.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : SULFATE.TOP REMARK 3 TOPOLOGY FILE 4 : PL_COV.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TD2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAY-04. REMARK 100 THE DEPOSITION ID IS D_1000022550. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JAN-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X26C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97900 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28233 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.210 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 (%) : 90.3 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : 0.12800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.21 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.29 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.1 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.37700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1LHR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM-2-(N REMARK 280 -MORPHOLINO)ETHANESULFONATE, POTASSIUM PHOSPHATE, PH 6.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 33.68750 REMARK 290 SMTRY3 2 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: 4570 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20890 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 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 318 O HOH A 439 2.07 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 ARG A 217 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG B 217 NE - CZ - NH2 ANGL. DEV. = 3.6 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 ALA A 17 145.59 177.52 REMARK 500 PRO A 118 64.64 -40.09 REMARK 500 GLU A 119 -67.54 -173.08 REMARK 500 HIS A 183 112.91 -165.63 REMARK 500 ALA A 185 -125.96 53.94 REMARK 500 ALA B 17 144.37 -177.80 REMARK 500 LYS B 182 12.32 -67.99 REMARK 500 HIS B 183 103.86 176.68 REMARK 500 ALA B 185 -123.17 68.45 REMARK 500 ASP B 213 101.68 -59.37 REMARK 500 MET B 216 30.56 -70.43 REMARK 500 ARG B 217 71.60 -164.77 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 288 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PXL A 288 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PXL B 289 DBREF 1TD2 A 1 287 UNP P77150 PDXY_ECOLI 1 287 DBREF 1TD2 B 1 287 UNP P77150 PDXY_ECOLI 1 287 SEQRES 1 A 287 MET MET LYS ASN ILE LEU ALA ILE GLN SER HIS VAL VAL SEQRES 2 A 287 TYR GLY HIS ALA GLY ASN SER ALA ALA GLU PHE PRO MET SEQRES 3 A 287 ARG ARG LEU GLY ALA ASN VAL TRP PRO LEU ASN THR VAL SEQRES 4 A 287 GLN PHE SER ASN HIS THR GLN TYR GLY LYS TRP THR GLY SEQRES 5 A 287 CYS VAL MET PRO PRO SER HIS LEU THR GLU ILE VAL GLN SEQRES 6 A 287 GLY ILE ALA ALA ILE ASP LYS LEU HIS THR CYS ASP ALA SEQRES 7 A 287 VAL LEU SER GLY TYR LEU GLY SER ALA GLU GLN GLY GLU SEQRES 8 A 287 HIS ILE LEU GLY ILE VAL ARG GLN VAL LYS ALA ALA ASN SEQRES 9 A 287 PRO GLN ALA LYS TYR PHE CYS ASP PRO VAL MET GLY HIS SEQRES 10 A 287 PRO GLU LYS GLY CYS ILE VAL ALA PRO GLY VAL ALA GLU SEQRES 11 A 287 PHE HIS VAL ARG HIS GLY LEU PRO ALA SER ASP ILE ILE SEQRES 12 A 287 ALA PRO ASN LEU VAL GLU LEU GLU ILE LEU CYS GLU HIS SEQRES 13 A 287 ALA VAL ASN ASN VAL GLU GLU ALA VAL LEU ALA ALA ARG SEQRES 14 A 287 GLU LEU ILE ALA GLN GLY PRO GLN ILE VAL LEU VAL LYS SEQRES 15 A 287 HIS LEU ALA ARG ALA GLY TYR SER ARG ASP ARG PHE GLU SEQRES 16 A 287 MET LEU LEU VAL THR ALA ASP GLU ALA TRP HIS ILE SER SEQRES 17 A 287 ARG PRO LEU VAL ASP PHE GLY MET ARG GLN PRO VAL GLY SEQRES 18 A 287 VAL GLY ASP VAL THR SER GLY LEU LEU LEU VAL LYS LEU SEQRES 19 A 287 LEU GLN GLY ALA THR LEU GLN GLU ALA LEU GLU HIS VAL SEQRES 20 A 287 THR ALA ALA VAL TYR GLU ILE MET VAL THR THR LYS ALA SEQRES 21 A 287 MET GLN GLU TYR GLU LEU GLN VAL VAL ALA ALA GLN ASP SEQRES 22 A 287 ARG ILE ALA LYS PRO GLU HIS TYR PHE SER ALA THR LYS SEQRES 23 A 287 LEU SEQRES 1 B 287 MET MET LYS ASN ILE LEU ALA ILE GLN SER HIS VAL VAL SEQRES 2 B 287 TYR GLY HIS ALA GLY ASN SER ALA ALA GLU PHE PRO MET SEQRES 3 B 287 ARG ARG LEU GLY ALA ASN VAL TRP PRO LEU ASN THR VAL SEQRES 4 B 287 GLN PHE SER ASN HIS THR GLN TYR GLY LYS TRP THR GLY SEQRES 5 B 287 CYS VAL MET PRO PRO SER HIS LEU THR GLU ILE VAL GLN SEQRES 6 B 287 GLY ILE ALA ALA ILE ASP LYS LEU HIS THR CYS ASP ALA SEQRES 7 B 287 VAL LEU SER GLY TYR LEU GLY SER ALA GLU GLN GLY GLU SEQRES 8 B 287 HIS ILE LEU GLY ILE VAL ARG GLN VAL LYS ALA ALA ASN SEQRES 9 B 287 PRO GLN ALA LYS TYR PHE CYS ASP PRO VAL MET GLY HIS SEQRES 10 B 287 PRO GLU LYS GLY CYS ILE VAL ALA PRO GLY VAL ALA GLU SEQRES 11 B 287 PHE HIS VAL ARG HIS GLY LEU PRO ALA SER ASP ILE ILE SEQRES 12 B 287 ALA PRO ASN LEU VAL GLU LEU GLU ILE LEU CYS GLU HIS SEQRES 13 B 287 ALA VAL ASN ASN VAL GLU GLU ALA VAL LEU ALA ALA ARG SEQRES 14 B 287 GLU LEU ILE ALA GLN GLY PRO GLN ILE VAL LEU VAL LYS SEQRES 15 B 287 HIS LEU ALA ARG ALA GLY TYR SER ARG ASP ARG PHE GLU SEQRES 16 B 287 MET LEU LEU VAL THR ALA ASP GLU ALA TRP HIS ILE SER SEQRES 17 B 287 ARG PRO LEU VAL ASP PHE GLY MET ARG GLN PRO VAL GLY SEQRES 18 B 287 VAL GLY ASP VAL THR SER GLY LEU LEU LEU VAL LYS LEU SEQRES 19 B 287 LEU GLN GLY ALA THR LEU GLN GLU ALA LEU GLU HIS VAL SEQRES 20 B 287 THR ALA ALA VAL TYR GLU ILE MET VAL THR THR LYS ALA SEQRES 21 B 287 MET GLN GLU TYR GLU LEU GLN VAL VAL ALA ALA GLN ASP SEQRES 22 B 287 ARG ILE ALA LYS PRO GLU HIS TYR PHE SER ALA THR LYS SEQRES 23 B 287 LEU HET PXL A 288 12 HET SO4 B 288 5 HET PXL B 289 12 HETNAM PXL 3-HYDROXY-5-(HYDROXYMETHYL)-2-METHYLISONICOTINALDEHYDE HETNAM SO4 SULFATE ION HETSYN PXL PYRIDOXAL FORMUL 3 PXL 2(C8 H9 N O3) FORMUL 4 SO4 O4 S 2- FORMUL 6 HOH *386(H2 O) HELIX 1 1 GLY A 18 LEU A 29 1 12 HELIX 2 2 HIS A 44 GLY A 48 5 5 HELIX 3 3 PRO A 56 ILE A 70 1 15 HELIX 4 4 LYS A 72 CYS A 76 5 5 HELIX 5 5 SER A 86 ASN A 104 1 19 HELIX 6 6 GLY A 127 HIS A 135 1 9 HELIX 7 7 HIS A 135 SER A 140 1 6 HELIX 8 8 ASN A 146 GLU A 155 1 10 HELIX 9 9 ASN A 160 ALA A 173 1 14 HELIX 10 10 LEU A 184 GLY A 188 5 5 HELIX 11 11 GLY A 221 GLN A 236 1 16 HELIX 12 12 THR A 239 MET A 261 1 23 HELIX 13 13 ALA A 271 LYS A 277 1 7 HELIX 14 14 GLY B 18 LEU B 29 1 12 HELIX 15 15 HIS B 44 GLY B 48 5 5 HELIX 16 16 PRO B 56 ILE B 70 1 15 HELIX 17 17 LYS B 72 CYS B 76 5 5 HELIX 18 18 SER B 86 ASN B 104 1 19 HELIX 19 19 GLY B 127 HIS B 135 1 9 HELIX 20 20 HIS B 135 SER B 140 1 6 HELIX 21 21 ASN B 146 GLU B 155 1 10 HELIX 22 22 ASN B 160 GLN B 174 1 15 HELIX 23 23 LEU B 184 GLY B 188 5 5 HELIX 24 24 GLY B 221 GLN B 236 1 16 HELIX 25 25 THR B 239 MET B 261 1 23 HELIX 26 26 ALA B 271 LYS B 277 1 7 SHEET 1 A10 GLY A 52 VAL A 54 0 SHEET 2 A10 ASN A 32 PHE A 41 -1 N GLN A 40 O CYS A 53 SHEET 3 A10 ASN A 4 VAL A 12 1 N ILE A 5 O TRP A 34 SHEET 4 A10 ALA A 78 SER A 81 1 O LEU A 80 N ILE A 8 SHEET 5 A10 LYS A 108 CYS A 111 1 O PHE A 110 N VAL A 79 SHEET 6 A10 ILE A 142 ILE A 143 1 O ILE A 142 N CYS A 111 SHEET 7 A10 ILE A 178 VAL A 181 1 O LEU A 180 N ILE A 143 SHEET 8 A10 ARG A 193 VAL A 199 -1 O VAL A 199 N VAL A 179 SHEET 9 A10 ALA A 204 PRO A 210 -1 O ARG A 209 N PHE A 194 SHEET 10 A10 THR A 285 LYS A 286 -1 O THR A 285 N HIS A 206 SHEET 1 B 9 ASN B 32 ASN B 37 0 SHEET 2 B 9 ASN B 4 GLN B 9 1 N ILE B 5 O TRP B 34 SHEET 3 B 9 ALA B 78 SER B 81 1 O LEU B 80 N ILE B 8 SHEET 4 B 9 LYS B 108 CYS B 111 1 O PHE B 110 N VAL B 79 SHEET 5 B 9 ILE B 142 ILE B 143 1 O ILE B 142 N CYS B 111 SHEET 6 B 9 ILE B 178 VAL B 181 1 O LEU B 180 N ILE B 143 SHEET 7 B 9 PHE B 194 VAL B 199 -1 O VAL B 199 N VAL B 179 SHEET 8 B 9 ALA B 204 ARG B 209 -1 O ARG B 209 N PHE B 194 SHEET 9 B 9 THR B 285 LYS B 286 -1 O THR B 285 N HIS B 206 SHEET 1 C 2 VAL B 39 PHE B 41 0 SHEET 2 C 2 GLY B 52 VAL B 54 -1 O CYS B 53 N GLN B 40 LINK SG CYS A 122 C4A PXL A 288 1555 1555 2.01 SITE 1 AC1 7 GLY B 221 VAL B 222 GLY B 223 ASP B 224 SITE 2 AC1 7 PXL B 289 HOH B 538 HOH B 553 SITE 1 AC2 8 SER A 10 HIS A 44 THR A 45 GLN A 46 SITE 2 AC2 8 TYR A 83 CYS A 122 VAL A 220 ASP A 224 SITE 1 AC3 8 SER B 10 HIS B 44 THR B 45 TYR B 83 SITE 2 AC3 8 CYS B 122 VAL B 220 ASP B 224 SO4 B 288 CRYST1 63.130 67.375 73.589 90.00 93.67 90.00 P 1 21 1 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.015840 0.000000 0.001016 0.00000 SCALE2 0.000000 0.014842 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013617 0.00000