HEADER TRANSFERASE 21-AUG-19 6KR5 TITLE CRYSTAL STRUCTURE OF O-ACETYL SERINE SULFHYDRYLASE ISOFORM 3 FROM TITLE 2 ENTAMOEBA HISTOLYTICA COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYSTEINE SYNTHASE 3; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CYSTEINE SYNTHASE A,PUTATIVE,CYSTEINE SYNTHASE A PUTATIVE; COMPND 5 EC: 2.5.1.47; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTAMOEBA HISTOLYTICA; SOURCE 3 ORGANISM_TAXID: 5759; SOURCE 4 GENE: CS 3, CL6EHI_060340, EHI_060340; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS O-ACETYLSERINE SULPHYDRALASE, CYSTEINE SYNTHASE TRANSFERASE O-ACETYL- KEYWDS 2 L-SERINE(THIOL)LYASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR S.DHARAVATH,S.GOURINATH REVDAT 2 22-NOV-23 6KR5 1 REMARK REVDAT 1 09-SEP-20 6KR5 0 JRNL AUTH S.DHARAVATH,R.VIJAYAN,K.KUMARI,P.TOMAR,S.GOURINATH JRNL TITL CRYSTAL STRUCTURE OF O-ACETYLSERINE SULFHYDRALASE (OASS) JRNL TITL 2 ISOFORM 3 FROM ENTAMOEBA HISTOLYTICA: PHARMACOPHORE-BASED JRNL TITL 3 VIRTUAL SCREENING AND VALIDATION OF NOVEL INHIBITORS. JRNL REF EUR.J.MED.CHEM. V. 192 12157 2020 JRNL REFN ISSN 0223-5234 JRNL PMID 32145643 JRNL DOI 10.1016/J.EJMECH.2020.112157 REMARK 2 REMARK 2 RESOLUTION. 1.54 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX DEV_3352 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.54 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.37 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 91944 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.181 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 1.090 REMARK 3 FREE R VALUE TEST SET COUNT : 1003 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 29.3000 - 2.9534 0.97 13209 147 0.1618 0.1977 REMARK 3 2 2.9534 - 2.3445 1.00 13182 144 0.1950 0.2288 REMARK 3 3 2.3445 - 2.0482 1.00 13127 141 0.1836 0.2104 REMARK 3 4 2.0482 - 1.8610 1.00 13038 150 0.1967 0.2586 REMARK 3 5 1.8610 - 1.7276 1.00 13056 140 0.1970 0.2102 REMARK 3 6 1.7276 - 1.6258 1.00 13023 150 0.1970 0.2230 REMARK 3 7 1.6258 - 1.5444 0.95 12306 131 0.2260 0.2752 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.140 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.820 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.44 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6KR5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-AUG-19. REMARK 100 THE DEPOSITION ID IS D_1300013408. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-FEB-16 REMARK 200 TEMPERATURE (KELVIN) : 193.15 REMARK 200 PH : 4.0 - 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID30B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 92112 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.540 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 7.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 44.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 2PQM REMARK 200 REMARK 200 REMARK: ROD SHAPED REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M PCTP BUFFER, 25% PEG 1500, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 289.15K 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 40.25250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.58200 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.93700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.58200 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 40.25250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.93700 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: 7000 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24740 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -46.0 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 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 GLN A 2 REMARK 465 HIS A 338 REMARK 465 MET B 1 REMARK 465 GLN B 2 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 ASN A 3 CG OD1 ND2 REMARK 470 LYS A 40 CG CD CE NZ REMARK 470 GLU A 115 CG CD OE1 OE2 REMARK 470 ARG A 116 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 209 CG CD CE NZ REMARK 470 LYS A 320 CG CD CE NZ REMARK 470 HIS A 337 CG ND1 CD2 CE1 NE2 REMARK 470 ASN B 3 CG OD1 ND2 REMARK 470 LYS B 40 CG CD CE NZ REMARK 470 LYS B 121 CG CD CE NZ REMARK 470 LYS B 148 CG CD CE NZ REMARK 470 LYS B 320 CG CD CE NZ REMARK 470 HIS B 337 CG ND1 CD2 CE1 NE2 REMARK 470 HIS B 338 CG ND1 CD2 CE1 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 NZ LYS B 58 O4A PLP B 401 1.30 REMARK 500 NZ LYS A 58 O4A PLP A 401 1.30 REMARK 500 CE LYS B 58 O4A PLP B 401 1.64 REMARK 500 CE LYS A 58 O4A PLP A 401 1.74 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 THR A 8 C PRO A 9 N 0.133 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 PRO A 9 C - N - CA ANGL. DEV. = 10.2 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 -41.09 -138.77 REMARK 500 ALA A 194 2.51 81.88 REMARK 500 SER A 221 58.67 -147.18 REMARK 500 HIS B 30 -44.61 -136.68 REMARK 500 SER B 113 69.83 29.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 LEU A 336 -14.38 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 A 816 DISTANCE = 6.06 ANGSTROMS REMARK 525 HOH A 817 DISTANCE = 6.86 ANGSTROMS REMARK 525 HOH B 885 DISTANCE = 5.86 ANGSTROMS REMARK 525 HOH B 886 DISTANCE = 6.23 ANGSTROMS REMARK 525 HOH B 887 DISTANCE = 6.36 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PLP A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide PLP B 401 and LYS B REMARK 800 58 DBREF 6KR5 A 1 336 UNP Q401L7 Q401L7_ENTHI 1 336 DBREF 6KR5 B 1 336 UNP Q401L7 Q401L7_ENTHI 1 336 SEQADV 6KR5 HIS A 337 UNP Q401L7 EXPRESSION TAG SEQADV 6KR5 HIS A 338 UNP Q401L7 EXPRESSION TAG SEQADV 6KR5 HIS B 337 UNP Q401L7 EXPRESSION TAG SEQADV 6KR5 HIS B 338 UNP Q401L7 EXPRESSION TAG SEQRES 1 A 338 MET GLN ASN ILE THR ILE ASN THR PRO ARG LYS ARG ILE SEQRES 2 A 338 TYR HIS ASN ILE LEU GLU THR ILE GLY GLY THR PRO LEU SEQRES 3 A 338 VAL GLU LEU HIS GLY VAL THR ASP HIS PRO SER ILE LYS SEQRES 4 A 338 LYS ASN THR LYS ILE LEU VAL LYS LEU GLU CYS PHE ASN SEQRES 5 A 338 PRO MET SER SER VAL LYS ASP ARG VAL GLY PHE ASN ILE SEQRES 6 A 338 ILE TYR GLN ALA ILE LYS ASP GLY ARG LEU LYS PRO GLY SEQRES 7 A 338 MET GLU ILE ILE GLU ALA THR SER GLY ASN THR GLY ILE SEQRES 8 A 338 GLY LEU CYS GLN ALA GLY ALA VAL PHE GLY TYR PRO VAL SEQRES 9 A 338 ASN ILE VAL MET PRO SER THR MET SER VAL GLU ARG GLN SEQRES 10 A 338 MET ILE MET LYS ALA PHE GLY ALA ASN LEU VAL LEU SER SEQRES 11 A 338 ASP GLY THR LYS GLY MET PRO GLY ALA ILE ALA LYS TYR SEQRES 12 A 338 GLU GLU LEU ILE LYS GLN HIS PRO ASN LYS TYR PHE PRO SEQRES 13 A 338 ALA ASN GLN PHE GLY ASN PRO ASP ASN THR ALA ALA HIS SEQRES 14 A 338 VAL TYR THR ALA ASN GLU ILE TRP GLU ASP THR ASN GLY SEQRES 15 A 338 GLU VAL ASP ILE ILE VAL SER ALA VAL GLY THR ALA GLY SEQRES 16 A 338 THR VAL ILE GLY VAL GLY GLU ASN LEU LYS LYS LYS LYS SEQRES 17 A 338 LYS GLY VAL LYS VAL VAL ALA VAL GLU PRO ALA GLU SER SEQRES 18 A 338 ALA VAL LEU SER GLY LYS PRO LYS GLY PRO HIS GLY ILE SEQRES 19 A 338 GLN GLY ILE GLY ALA GLY PHE VAL THR ASP ILE TYR LYS SEQRES 20 A 338 LYS GLU VAL VAL ASP GLU ILE THR PRO ILE LYS THR GLN SEQRES 21 A 338 ASP ALA TRP LYS MET ALA ARG ALA VAL VAL LYS TYR ASP SEQRES 22 A 338 GLY ILE MET CYS GLY MET SER SER GLY ALA ALA ILE LEU SEQRES 23 A 338 ALA GLY LEU LYS GLU ALA GLY LYS VAL GLU ASN GLU GLY SEQRES 24 A 338 LYS THR ILE VAL ILE ILE LEU PRO ASP CYS GLY GLU ARG SEQRES 25 A 338 TYR LEU SER THR ASP LEU TYR LYS THR ILE GLU GLU GLY SEQRES 26 A 338 THR LYS GLN GLN VAL LEU ASP SER LEU LEU LEU HIS HIS SEQRES 1 B 338 MET GLN ASN ILE THR ILE ASN THR PRO ARG LYS ARG ILE SEQRES 2 B 338 TYR HIS ASN ILE LEU GLU THR ILE GLY GLY THR PRO LEU SEQRES 3 B 338 VAL GLU LEU HIS GLY VAL THR ASP HIS PRO SER ILE LYS SEQRES 4 B 338 LYS ASN THR LYS ILE LEU VAL LYS LEU GLU CYS PHE ASN SEQRES 5 B 338 PRO MET SER SER VAL LYS ASP ARG VAL GLY PHE ASN ILE SEQRES 6 B 338 ILE TYR GLN ALA ILE LYS ASP GLY ARG LEU LYS PRO GLY SEQRES 7 B 338 MET GLU ILE ILE GLU ALA THR SER GLY ASN THR GLY ILE SEQRES 8 B 338 GLY LEU CYS GLN ALA GLY ALA VAL PHE GLY TYR PRO VAL SEQRES 9 B 338 ASN ILE VAL MET PRO SER THR MET SER VAL GLU ARG GLN SEQRES 10 B 338 MET ILE MET LYS ALA PHE GLY ALA ASN LEU VAL LEU SER SEQRES 11 B 338 ASP GLY THR LYS GLY MET PRO GLY ALA ILE ALA LYS TYR SEQRES 12 B 338 GLU GLU LEU ILE LYS GLN HIS PRO ASN LYS TYR PHE PRO SEQRES 13 B 338 ALA ASN GLN PHE GLY ASN PRO ASP ASN THR ALA ALA HIS SEQRES 14 B 338 VAL TYR THR ALA ASN GLU ILE TRP GLU ASP THR ASN GLY SEQRES 15 B 338 GLU VAL ASP ILE ILE VAL SER ALA VAL GLY THR ALA GLY SEQRES 16 B 338 THR VAL ILE GLY VAL GLY GLU ASN LEU LYS LYS LYS LYS SEQRES 17 B 338 LYS GLY VAL LYS VAL VAL ALA VAL GLU PRO ALA GLU SER SEQRES 18 B 338 ALA VAL LEU SER GLY LYS PRO LYS GLY PRO HIS GLY ILE SEQRES 19 B 338 GLN GLY ILE GLY ALA GLY PHE VAL THR ASP ILE TYR LYS SEQRES 20 B 338 LYS GLU VAL VAL ASP GLU ILE THR PRO ILE LYS THR GLN SEQRES 21 B 338 ASP ALA TRP LYS MET ALA ARG ALA VAL VAL LYS TYR ASP SEQRES 22 B 338 GLY ILE MET CYS GLY MET SER SER GLY ALA ALA ILE LEU SEQRES 23 B 338 ALA GLY LEU LYS GLU ALA GLY LYS VAL GLU ASN GLU GLY SEQRES 24 B 338 LYS THR ILE VAL ILE ILE LEU PRO ASP CYS GLY GLU ARG SEQRES 25 B 338 TYR LEU SER THR ASP LEU TYR LYS THR ILE GLU GLU GLY SEQRES 26 B 338 THR LYS GLN GLN VAL LEU ASP SER LEU LEU LEU HIS HIS HET PLP A 401 16 HET PLP B 401 16 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 PLP 2(C8 H10 N O6 P) FORMUL 5 HOH *704(H2 O) HELIX 1 AA1 ASN A 16 ILE A 21 5 6 HELIX 2 AA2 CYS A 50 ASN A 52 5 3 HELIX 3 AA3 VAL A 57 ASP A 72 1 16 HELIX 4 AA4 GLY A 87 GLY A 101 1 15 HELIX 5 AA5 SER A 113 PHE A 123 1 11 HELIX 6 AA6 ASP A 131 THR A 133 5 3 HELIX 7 AA7 LYS A 134 HIS A 150 1 17 HELIX 8 AA8 ASN A 162 ALA A 168 1 7 HELIX 9 AA9 ALA A 168 THR A 180 1 13 HELIX 10 AB1 ALA A 194 LYS A 206 1 13 HELIX 11 AB2 GLU A 220 GLY A 226 5 7 HELIX 12 AB3 LYS A 247 VAL A 251 5 5 HELIX 13 AB4 LYS A 258 GLY A 274 1 17 HELIX 14 AB5 GLY A 278 LYS A 294 1 17 HELIX 15 AB6 VAL A 295 GLU A 298 5 4 HELIX 16 AB7 CYS A 309 LEU A 314 5 6 HELIX 17 AB8 THR A 326 LEU A 336 1 11 HELIX 18 AB9 ASN B 16 ILE B 21 5 6 HELIX 19 AC1 CYS B 50 ASN B 52 5 3 HELIX 20 AC2 VAL B 57 ASP B 72 1 16 HELIX 21 AC3 GLY B 87 GLY B 101 1 15 HELIX 22 AC4 SER B 113 PHE B 123 1 11 HELIX 23 AC5 ASP B 131 THR B 133 5 3 HELIX 24 AC6 LYS B 134 HIS B 150 1 17 HELIX 25 AC7 ASN B 162 ALA B 168 1 7 HELIX 26 AC8 ALA B 168 THR B 180 1 13 HELIX 27 AC9 ALA B 194 LYS B 208 1 15 HELIX 28 AD1 GLU B 220 ALA B 222 5 3 HELIX 29 AD2 LYS B 247 VAL B 251 5 5 HELIX 30 AD3 LYS B 258 GLY B 274 1 17 HELIX 31 AD4 GLY B 278 GLY B 293 1 16 HELIX 32 AD5 LYS B 294 GLU B 298 5 5 HELIX 33 AD6 CYS B 309 LEU B 314 5 6 HELIX 34 AD7 THR B 326 LEU B 336 1 11 SHEET 1 AA1 7 ILE A 13 TYR A 14 0 SHEET 2 AA1 7 LEU B 26 GLU B 28 1 O GLU B 28 N TYR A 14 SHEET 3 AA1 7 LYS B 43 LEU B 48 -1 O VAL B 46 N VAL B 27 SHEET 4 AA1 7 THR B 301 LEU B 306 1 O ILE B 302 N LEU B 45 SHEET 5 AA1 7 ILE B 186 ALA B 190 1 N ILE B 186 O VAL B 303 SHEET 6 AA1 7 LYS B 212 PRO B 218 1 O VAL B 214 N ILE B 187 SHEET 7 AA1 7 GLU B 253 ILE B 257 1 O THR B 255 N ALA B 215 SHEET 1 AA2 7 GLU A 253 ILE A 257 0 SHEET 2 AA2 7 LYS A 212 PRO A 218 1 N ALA A 215 O THR A 255 SHEET 3 AA2 7 VAL A 184 ALA A 190 1 N ILE A 187 O VAL A 214 SHEET 4 AA2 7 THR A 301 LEU A 306 1 O VAL A 303 N ILE A 186 SHEET 5 AA2 7 LYS A 43 LEU A 48 1 N LYS A 43 O ILE A 302 SHEET 6 AA2 7 LEU A 26 GLU A 28 -1 N VAL A 27 O VAL A 46 SHEET 7 AA2 7 ILE B 13 TYR B 14 1 O TYR B 14 N GLU A 28 SHEET 1 AA3 4 ASN A 126 SER A 130 0 SHEET 2 AA3 4 VAL A 104 PRO A 109 1 N VAL A 104 O ASN A 126 SHEET 3 AA3 4 GLU A 80 ALA A 84 1 N ILE A 81 O ASN A 105 SHEET 4 AA3 4 TYR A 154 PRO A 156 1 O PHE A 155 N GLU A 80 SHEET 1 AA4 4 ASN B 126 SER B 130 0 SHEET 2 AA4 4 VAL B 104 PRO B 109 1 N ILE B 106 O VAL B 128 SHEET 3 AA4 4 GLU B 80 ALA B 84 1 N ILE B 81 O ASN B 105 SHEET 4 AA4 4 TYR B 154 PRO B 156 1 O PHE B 155 N GLU B 80 SSBOND 1 CYS A 50 CYS A 309 1555 1555 2.03 SSBOND 2 CYS B 50 CYS B 309 1555 1555 2.01 LINK NZ LYS A 58 C4A PLP A 401 1555 1555 1.35 LINK NZ LYS B 58 C4A PLP B 401 1555 1555 1.27 SITE 1 AC1 19 LYS A 58 ASN A 88 ALA A 190 VAL A 191 SITE 2 AC1 19 GLY A 192 THR A 193 ALA A 194 GLY A 195 SITE 3 AC1 19 THR A 196 GLY A 236 ILE A 237 SER A 280 SITE 4 AC1 19 PRO A 307 ASP A 308 TYR A 313 HOH A 535 SITE 5 AC1 19 HOH A 578 HOH A 579 HOH A 626 SITE 1 AC2 26 SER B 56 VAL B 57 ASP B 59 ARG B 60 SITE 2 AC2 26 VAL B 61 GLY B 62 ASN B 88 THR B 89 SITE 3 AC2 26 GLY B 92 ALA B 190 VAL B 191 GLY B 192 SITE 4 AC2 26 THR B 193 ALA B 194 GLY B 195 THR B 196 SITE 5 AC2 26 GLY B 236 ILE B 237 SER B 280 PRO B 307 SITE 6 AC2 26 ASP B 308 TYR B 313 HOH B 568 HOH B 574 SITE 7 AC2 26 HOH B 649 HOH B 743 CRYST1 80.505 85.874 91.164 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 0.012422 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011645 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010969 0.00000