HEADER LYASE 02-MAY-07 2PQM TITLE CRYSTAL STRUCTURE OF CYSTEINE SYNTHASE (OASS) FROM ENTAMOEBA TITLE 2 HISTOLYTICA AT 1.86 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTEINE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTAMOEBA HISTOLYTICA; SOURCE 3 ORGANISM_TAXID: 294381; SOURCE 4 STRAIN: HM-1:IMSS; SOURCE 5 GENE: OASS; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS OASS, CYSTEINE SYNTHASE, PLP, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR K.CHINTHALAPUDI,N.ALAM,S.GOURINATH REVDAT 5 30-AUG-23 2PQM 1 REMARK SEQADV LINK REVDAT 4 13-JUL-11 2PQM 1 VERSN REVDAT 3 24-FEB-09 2PQM 1 VERSN REVDAT 2 05-AUG-08 2PQM 1 JRNL REVDAT 1 15-APR-08 2PQM 0 JRNL AUTH K.CHINTHALAPUDI,M.KUMAR,S.KUMAR,S.JAIN,N.ALAM,S.GOURINATH JRNL TITL CRYSTAL STRUCTURE OF NATIVE O-ACETYL-SERINE SULFHYDRYLASE JRNL TITL 2 FROM ENTAMOEBA HISTOLYTICA AND ITS COMPLEX WITH CYSTEINE: JRNL TITL 3 STRUCTURAL EVIDENCE FOR CYSTEINE BINDING AND LACK OF JRNL TITL 4 INTERACTIONS WITH SERINE ACETYL TRANSFERASE. JRNL REF PROTEINS V. 72 1222 2008 JRNL REFN ISSN 0887-3585 JRNL PMID 18350570 JRNL DOI 10.1002/PROT.22013 REMARK 2 REMARK 2 RESOLUTION. 1.86 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.86 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.66 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 59528 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.182 REMARK 3 R VALUE (WORKING SET) : 0.180 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.86 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4066 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.08 REMARK 3 BIN R VALUE (WORKING SET) : 0.2270 REMARK 3 BIN FREE R VALUE SET COUNT : 215 REMARK 3 BIN FREE R VALUE : 0.2540 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5117 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 356 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.19 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.06000 REMARK 3 B22 (A**2) : -0.06000 REMARK 3 B33 (A**2) : 0.12000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.136 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.125 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.078 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.502 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.958 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 5241 ; 0.015 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 7067 ; 1.403 ; 1.985 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 670 ; 5.561 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 200 ;35.737 ;25.350 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 975 ;13.875 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 20 ;16.934 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 796 ; 0.100 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3812 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 2618 ; 0.220 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 3618 ; 0.304 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 374 ; 0.139 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 57 ; 0.239 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 14 ; 0.108 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 3454 ; 1.010 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 5354 ; 1.483 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2053 ; 2.558 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1713 ; 3.807 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2PQM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-MAY-07. REMARK 100 THE DEPOSITION ID IS D_1000042679. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JAN-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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 MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 59571 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.860 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05000 REMARK 200 FOR THE DATA SET : 45.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.86 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.93 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.1 REMARK 200 DATA REDUNDANCY IN SHELL : 5.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.33600 REMARK 200 FOR SHELL : 5.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1OAS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.5 AMMONIUM SULFATE, 100MM TRIS, PH REMARK 280 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 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 56.11200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 28.05600 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 84.16800 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: 7350 ANGSTROM**2 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 HIS A 340 REMARK 465 HIS A 341 REMARK 465 HIS A 342 REMARK 465 HIS A 343 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 GLU B 337 REMARK 465 HIS B 338 REMARK 465 HIS B 339 REMARK 465 HIS B 340 REMARK 465 HIS B 341 REMARK 465 HIS B 342 REMARK 465 HIS B 343 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 39 CG CD CE NZ REMARK 470 LYS A 134 CG CD CE NZ REMARK 470 HIS A 339 CG ND1 CD2 CE1 NE2 REMARK 470 GLN B 3 CG CD OE1 NE2 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 NH1 ARG B 267 OD2 ASP B 323 2.00 REMARK 500 N GLY A 87 O3 SO4 A 344 2.11 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 37 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 37 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 HIS A 30 -58.56 -132.75 REMARK 500 SER A 113 72.53 30.97 REMARK 500 ASN A 150 62.11 -119.03 REMARK 500 SER A 221 58.19 -149.25 REMARK 500 HIS B 30 -45.42 -136.28 REMARK 500 SER B 113 91.89 -19.53 REMARK 500 SER B 194 1.09 80.13 REMARK 500 LYS B 208 110.77 -166.31 REMARK 500 SER B 221 56.99 -147.80 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE OXYGEN ATOM (O4) ON PLP IS DISPLACED BY THE NZ OF LYS58 REMARK 600 TO FORM A COVALENT SCHIFF BASE LINKAGE BETWEEN THE COFACTOR REMARK 600 (PLP) AND THE ENZYME. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 344 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 344 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP A 345 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 345 DBREF 2PQM A 1 337 UNP O15570 O15570_ENTHI 1 337 DBREF 2PQM B 1 337 UNP O15570 O15570_ENTHI 1 337 SEQADV 2PQM HIS A 338 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS A 339 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS A 340 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS A 341 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS A 342 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS A 343 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS B 338 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS B 339 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS B 340 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS B 341 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS B 342 UNP O15570 EXPRESSION TAG SEQADV 2PQM HIS B 343 UNP O15570 EXPRESSION TAG SEQRES 1 A 343 MET GLU GLN ILE SER ILE SER SER PRO ARG LYS ARG ILE SEQRES 2 A 343 TYR HIS ASN ILE LEU GLU THR ILE GLY GLY THR PRO LEU SEQRES 3 A 343 VAL GLU LEU HIS GLY VAL THR GLU HIS PRO ARG ILE LYS SEQRES 4 A 343 LYS GLY THR ARG ILE LEU VAL LYS LEU GLU TYR PHE ASN SEQRES 5 A 343 PRO MET SER SER VAL LYS ASP ARG VAL GLY PHE ASN ILE SEQRES 6 A 343 VAL TYR GLN ALA ILE LYS ASP GLY ARG LEU LYS PRO GLY SEQRES 7 A 343 MET GLU ILE ILE GLU SER THR SER GLY ASN THR GLY ILE SEQRES 8 A 343 ALA LEU CYS GLN ALA GLY ALA VAL PHE GLY TYR ARG VAL SEQRES 9 A 343 ASN ILE ALA MET PRO SER THR MET SER VAL GLU ARG GLN SEQRES 10 A 343 MET ILE MET LYS ALA PHE GLY ALA GLU LEU ILE LEU THR SEQRES 11 A 343 GLU GLY LYS LYS GLY MET PRO GLY ALA ILE GLU GLU VAL SEQRES 12 A 343 ASN LYS MET ILE LYS GLU ASN PRO GLY LYS TYR PHE VAL SEQRES 13 A 343 ALA ASN GLN PHE GLY ASN PRO ASP ASN THR ALA ALA HIS SEQRES 14 A 343 HIS TYR THR ALA ASN GLU ILE TRP GLU ASP THR ASP GLY SEQRES 15 A 343 GLU VAL ASP ILE VAL VAL SER ALA VAL GLY THR SER GLY SEQRES 16 A 343 THR VAL ILE GLY VAL ALA GLU LYS LEU LYS GLU LYS LYS SEQRES 17 A 343 LYS GLY ILE LYS ILE ILE ALA VAL GLU PRO GLU GLU SER SEQRES 18 A 343 ALA VAL LEU GLU GLY LYS ALA LYS GLY PRO HIS GLY ILE SEQRES 19 A 343 GLN GLY ILE GLY ALA GLY PHE ILE PRO ASP ILE TYR LYS SEQRES 20 A 343 LYS GLU PHE VAL ASP GLU ILE ILE PRO ILE LYS THR GLN SEQRES 21 A 343 ASP ALA TRP LYS MET ALA ARG ALA VAL VAL LYS TYR ASP SEQRES 22 A 343 GLY ILE MET CYS GLY MET SER SER GLY ALA ALA ILE LEU SEQRES 23 A 343 ALA GLY LEU LYS GLU ALA GLU LYS PRO GLU ASN GLU GLY SEQRES 24 A 343 LYS THR ILE VAL ILE ILE VAL PRO SER CYS GLY GLU ARG SEQRES 25 A 343 TYR LEU SER THR ASP LEU TYR LYS ILE LYS ASP GLU GLY SEQRES 26 A 343 THR LYS ILE GLN ILE LEU ASP SER LEU LEU ASN GLU HIS SEQRES 27 A 343 HIS HIS HIS HIS HIS SEQRES 1 B 343 MET GLU GLN ILE SER ILE SER SER PRO ARG LYS ARG ILE SEQRES 2 B 343 TYR HIS ASN ILE LEU GLU THR ILE GLY GLY THR PRO LEU SEQRES 3 B 343 VAL GLU LEU HIS GLY VAL THR GLU HIS PRO ARG ILE LYS SEQRES 4 B 343 LYS GLY THR ARG ILE LEU VAL LYS LEU GLU TYR PHE ASN SEQRES 5 B 343 PRO MET SER SER VAL LYS ASP ARG VAL GLY PHE ASN ILE SEQRES 6 B 343 VAL TYR GLN ALA ILE LYS ASP GLY ARG LEU LYS PRO GLY SEQRES 7 B 343 MET GLU ILE ILE GLU SER THR SER GLY ASN THR GLY ILE SEQRES 8 B 343 ALA LEU CYS GLN ALA GLY ALA VAL PHE GLY TYR ARG VAL SEQRES 9 B 343 ASN ILE ALA MET PRO SER THR MET SER VAL GLU ARG GLN SEQRES 10 B 343 MET ILE MET LYS ALA PHE GLY ALA GLU LEU ILE LEU THR SEQRES 11 B 343 GLU GLY LYS LYS GLY MET PRO GLY ALA ILE GLU GLU VAL SEQRES 12 B 343 ASN LYS MET ILE LYS GLU ASN PRO GLY LYS TYR PHE VAL SEQRES 13 B 343 ALA ASN GLN PHE GLY ASN PRO ASP ASN THR ALA ALA HIS SEQRES 14 B 343 HIS TYR THR ALA ASN GLU ILE TRP GLU ASP THR ASP GLY SEQRES 15 B 343 GLU VAL ASP ILE VAL VAL SER ALA VAL GLY THR SER GLY SEQRES 16 B 343 THR VAL ILE GLY VAL ALA GLU LYS LEU LYS GLU LYS LYS SEQRES 17 B 343 LYS GLY ILE LYS ILE ILE ALA VAL GLU PRO GLU GLU SER SEQRES 18 B 343 ALA VAL LEU GLU GLY LYS ALA LYS GLY PRO HIS GLY ILE SEQRES 19 B 343 GLN GLY ILE GLY ALA GLY PHE ILE PRO ASP ILE TYR LYS SEQRES 20 B 343 LYS GLU PHE VAL ASP GLU ILE ILE PRO ILE LYS THR GLN SEQRES 21 B 343 ASP ALA TRP LYS MET ALA ARG ALA VAL VAL LYS TYR ASP SEQRES 22 B 343 GLY ILE MET CYS GLY MET SER SER GLY ALA ALA ILE LEU SEQRES 23 B 343 ALA GLY LEU LYS GLU ALA GLU LYS PRO GLU ASN GLU GLY SEQRES 24 B 343 LYS THR ILE VAL ILE ILE VAL PRO SER CYS GLY GLU ARG SEQRES 25 B 343 TYR LEU SER THR ASP LEU TYR LYS ILE LYS ASP GLU GLY SEQRES 26 B 343 THR LYS ILE GLN ILE LEU ASP SER LEU LEU ASN GLU HIS SEQRES 27 B 343 HIS HIS HIS HIS HIS HET SO4 A 344 5 HET PLP A 345 15 HET SO4 B 344 5 HET PLP B 345 15 HETNAM SO4 SULFATE ION HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 SO4 2(O4 S 2-) FORMUL 4 PLP 2(C8 H10 N O6 P) FORMUL 7 HOH *356(H2 O) HELIX 1 1 ASN A 16 ILE A 21 5 6 HELIX 2 2 HIS A 30 GLU A 34 5 5 HELIX 3 3 TYR A 50 ASN A 52 5 3 HELIX 4 4 VAL A 57 ASP A 72 1 16 HELIX 5 5 GLY A 87 GLY A 101 1 15 HELIX 6 6 SER A 113 PHE A 123 1 11 HELIX 7 7 GLU A 131 LYS A 133 5 3 HELIX 8 8 LYS A 134 ASN A 150 1 17 HELIX 9 9 ASN A 162 THR A 180 1 19 HELIX 10 10 SER A 194 LYS A 208 1 15 HELIX 11 11 GLU A 220 ALA A 222 5 3 HELIX 12 12 LYS A 247 VAL A 251 5 5 HELIX 13 13 LYS A 258 GLY A 274 1 17 HELIX 14 14 GLY A 278 GLU A 293 1 16 HELIX 15 15 LYS A 294 GLU A 298 5 5 HELIX 16 16 CYS A 309 LEU A 314 5 6 HELIX 17 17 THR A 326 ASN A 336 1 11 HELIX 18 18 ASN B 16 ILE B 21 5 6 HELIX 19 19 TYR B 50 ASN B 52 5 3 HELIX 20 20 VAL B 57 ASP B 72 1 16 HELIX 21 21 GLY B 87 GLY B 101 1 15 HELIX 22 22 SER B 113 PHE B 123 1 11 HELIX 23 23 GLU B 131 LYS B 133 5 3 HELIX 24 24 LYS B 134 ASN B 150 1 17 HELIX 25 25 ASN B 162 THR B 180 1 19 HELIX 26 26 SER B 194 LYS B 208 1 15 HELIX 27 27 GLU B 220 ALA B 222 5 3 HELIX 28 28 LYS B 247 VAL B 251 5 5 HELIX 29 29 LYS B 258 GLY B 274 1 17 HELIX 30 30 GLY B 278 GLU B 293 1 16 HELIX 31 31 LYS B 294 GLU B 298 5 5 HELIX 32 32 CYS B 309 LEU B 314 5 6 HELIX 33 33 THR B 326 ASN B 336 1 11 SHEET 1 A 7 ILE A 13 TYR A 14 0 SHEET 2 A 7 LEU B 26 GLU B 28 1 O GLU B 28 N TYR A 14 SHEET 3 A 7 ARG B 43 LEU B 48 -1 O VAL B 46 N VAL B 27 SHEET 4 A 7 THR B 301 VAL B 306 1 O ILE B 302 N ARG B 43 SHEET 5 A 7 ILE B 186 ALA B 190 1 N ILE B 186 O VAL B 303 SHEET 6 A 7 LYS B 212 PRO B 218 1 O ILE B 214 N VAL B 187 SHEET 7 A 7 GLU B 253 ILE B 257 1 O ILE B 255 N ALA B 215 SHEET 1 B 7 GLU A 253 ILE A 257 0 SHEET 2 B 7 LYS A 212 PRO A 218 1 N ALA A 215 O ILE A 255 SHEET 3 B 7 VAL A 184 ALA A 190 1 N VAL A 187 O ILE A 214 SHEET 4 B 7 THR A 301 VAL A 306 1 O VAL A 303 N ILE A 186 SHEET 5 B 7 ARG A 43 LEU A 48 1 N ARG A 43 O ILE A 302 SHEET 6 B 7 LEU A 26 GLU A 28 -1 N VAL A 27 O VAL A 46 SHEET 7 B 7 ILE B 13 TYR B 14 1 O TYR B 14 N GLU A 28 SHEET 1 C 4 GLU A 126 THR A 130 0 SHEET 2 C 4 VAL A 104 PRO A 109 1 N ILE A 106 O ILE A 128 SHEET 3 C 4 GLU A 80 SER A 84 1 N ILE A 81 O ASN A 105 SHEET 4 C 4 TYR A 154 VAL A 156 1 O PHE A 155 N GLU A 80 SHEET 1 D 4 GLU B 126 THR B 130 0 SHEET 2 D 4 VAL B 104 PRO B 109 1 N ILE B 106 O ILE B 128 SHEET 3 D 4 GLU B 80 SER B 84 1 N GLU B 83 O ALA B 107 SHEET 4 D 4 TYR B 154 VAL B 156 1 O PHE B 155 N GLU B 80 LINK NZ LYS A 58 C4A PLP A 345 1555 1555 1.51 LINK NZ LYS B 58 C4A PLP B 345 1555 1555 1.25 SITE 1 AC1 6 THR A 85 SER A 86 GLY A 87 GLN A 159 SITE 2 AC1 6 HOH A 418 HOH A 473 SITE 1 AC2 4 THR B 85 SER B 86 MET B 136 GLN B 159 SITE 1 AC3 18 LYS A 58 ASN A 88 ALA A 190 GLY A 192 SITE 2 AC3 18 THR A 193 SER A 194 GLY A 195 THR A 196 SITE 3 AC3 18 GLY A 236 ILE A 237 SER A 280 PRO A 307 SITE 4 AC3 18 SER A 308 TYR A 313 HOH A 347 HOH A 348 SITE 5 AC3 18 HOH A 374 HOH A 445 SITE 1 AC4 18 LYS B 58 ASN B 88 ALA B 190 GLY B 192 SITE 2 AC4 18 THR B 193 SER B 194 GLY B 195 THR B 196 SITE 3 AC4 18 GLY B 236 ILE B 237 SER B 280 PRO B 307 SITE 4 AC4 18 SER B 308 TYR B 313 HOH B 346 HOH B 356 SITE 5 AC4 18 HOH B 370 HOH B 506 CRYST1 80.316 80.316 112.224 90.00 90.00 90.00 P 41 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 0.012451 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012451 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008911 0.00000