HEADER LYASE 26-OCT-01 1K8X TITLE CRYSTAL STRUCTURE OF ALPHAT183V MUTANT OF TRYPTOPHAN SYNTHASE FROM TITLE 2 SALMONELLA TYPHIMURIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPTOPHAN SYNTHASE, ALPHA PROTEIN; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.1.20; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: TRYPTOPHAN SYNTHASE, BETA PROTEIN; COMPND 9 CHAIN: B; COMPND 10 EC: 4.2.1.20; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM; SOURCE 3 ORGANISM_TAXID: 602; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PSTB7; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM; SOURCE 9 ORGANISM_TAXID: 99287; SOURCE 10 STRAIN: LT2; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 13 EXPRESSION_SYSTEM_PLASMID: PSTB7 KEYWDS HELIX, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR V.KULIK,M.WEYAND,R.SIEDEL,D.NIKS,D.ARAC,M.F.DUNN,I.SCHLICHTING REVDAT 6 16-AUG-23 1K8X 1 REMARK REVDAT 5 27-OCT-21 1K8X 1 REMARK SEQADV LINK REVDAT 4 16-JAN-13 1K8X 1 COMPND REVDAT 3 13-JUL-11 1K8X 1 VERSN REVDAT 2 24-FEB-09 1K8X 1 VERSN REVDAT 1 18-DEC-02 1K8X 0 JRNL AUTH V.KULIK,M.WEYAND,R.SIEDEL,D.NIKS,D.ARAC,M.F.DUNN, JRNL AUTH 2 I.SCHLICHTING JRNL TITL ON THE ROLE OF ALPHATHR183 IN THE ALLOSTERIC REGULATION AND JRNL TITL 2 CATALYTIC MECHANISM OF TRYPTOPHAN SYNTHASE JRNL REF J.MOL.BIOL. V. 324 677 2002 JRNL REFN ISSN 0022-2836 JRNL PMID 12460570 JRNL DOI 10.1016/S0022-2836(02)01109-9 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.62 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 : 51264 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) : 0.192 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2614 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2580 REMARK 3 BIN FREE R VALUE : 0.3110 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 454 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4834 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 412 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) : -2.18000 REMARK 3 B22 (A**2) : 6.45000 REMARK 3 B33 (A**2) : -4.26000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.53000 REMARK 3 B23 (A**2) : 0.00000 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : 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 1K8X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014707. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8345 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51264 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1QOP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, EDTA, SPERMINE, PH 7.8, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 91.11000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.99500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 91.11000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 29.99500 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: TETRAMERIC 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 182.22000 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 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 SER A 178 REMARK 465 ARG A 179 REMARK 465 SER A 180 REMARK 465 GLY A 181 REMARK 465 VAL A 182 REMARK 465 THR A 183 REMARK 465 GLY A 184 REMARK 465 ALA A 185 REMARK 465 GLU A 186 REMARK 465 ASN A 187 REMARK 465 ARG A 188 REMARK 465 GLY A 189 REMARK 465 ALA A 190 REMARK 465 LEU A 191 REMARK 465 PRO A 192 REMARK 465 LEU A 193 REMARK 465 HIS A 194 REMARK 465 HIS A 195 REMARK 465 ALA A 268 REMARK 465 MET B 1 REMARK 465 ALA B 393 REMARK 465 ARG B 394 REMARK 465 GLY B 395 REMARK 465 GLU B 396 REMARK 465 ILE B 397 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 PHE A 212 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS B 392 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 GLU A 2 49.25 -145.22 REMARK 500 ASP A 13 1.05 -63.43 REMARK 500 ARG A 14 34.20 -146.93 REMARK 500 ARG A 15 51.38 33.22 REMARK 500 LEU A 58 -1.17 -58.03 REMARK 500 ASN A 157 24.54 -79.79 REMARK 500 PHE A 212 109.12 61.00 REMARK 500 SER A 235 -20.68 -146.89 REMARK 500 THR B 165 -163.75 -125.54 REMARK 500 SER B 180 -1.25 -151.88 REMARK 500 PRO B 307 10.22 -66.81 REMARK 500 SER B 308 -156.68 -142.30 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR B 298 0.07 SIDE CHAIN 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 NA B 550 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY B 232 O REMARK 620 2 PHE B 306 O 102.2 REMARK 620 3 SER B 308 O 100.2 85.0 REMARK 620 4 HOH B 614 O 110.8 66.5 141.2 REMARK 620 5 HOH B 758 O 93.1 158.5 107.3 94.0 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 NA B 550 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 500 DBREF 1K8X A 1 268 UNP P00929 TRPA_SALTY 1 268 DBREF 1K8X B 1 397 UNP P0A2K1 TRPB_SALTY 1 397 SEQADV 1K8X THR A 183 UNP P00929 VAL 183 ENGINEERED MUTATION SEQRES 1 A 268 MET GLU ARG TYR GLU ASN LEU PHE ALA GLN LEU ASN ASP SEQRES 2 A 268 ARG ARG GLU GLY ALA PHE VAL PRO PHE VAL THR LEU GLY SEQRES 3 A 268 ASP PRO GLY ILE GLU GLN SER LEU LYS ILE ILE ASP THR SEQRES 4 A 268 LEU ILE ASP ALA GLY ALA ASP ALA LEU GLU LEU GLY VAL SEQRES 5 A 268 PRO PHE SER ASP PRO LEU ALA ASP GLY PRO THR ILE GLN SEQRES 6 A 268 ASN ALA ASN LEU ARG ALA PHE ALA ALA GLY VAL THR PRO SEQRES 7 A 268 ALA GLN CYS PHE GLU MET LEU ALA ILE ILE ARG GLU LYS SEQRES 8 A 268 HIS PRO THR ILE PRO ILE GLY LEU LEU MET TYR ALA ASN SEQRES 9 A 268 LEU VAL PHE ASN ASN GLY ILE ASP ALA PHE TYR ALA ARG SEQRES 10 A 268 CYS GLU GLN VAL GLY VAL ASP SER VAL LEU VAL ALA ASP SEQRES 11 A 268 VAL PRO VAL GLU GLU SER ALA PRO PHE ARG GLN ALA ALA SEQRES 12 A 268 LEU ARG HIS ASN ILE ALA PRO ILE PHE ILE CYS PRO PRO SEQRES 13 A 268 ASN ALA ASP ASP ASP LEU LEU ARG GLN VAL ALA SER TYR SEQRES 14 A 268 GLY ARG GLY TYR THR TYR LEU LEU SER ARG SER GLY VAL SEQRES 15 A 268 THR GLY ALA GLU ASN ARG GLY ALA LEU PRO LEU HIS HIS SEQRES 16 A 268 LEU ILE GLU LYS LEU LYS GLU TYR HIS ALA ALA PRO ALA SEQRES 17 A 268 LEU GLN GLY PHE GLY ILE SER SER PRO GLU GLN VAL SER SEQRES 18 A 268 ALA ALA VAL ARG ALA GLY ALA ALA GLY ALA ILE SER GLY SEQRES 19 A 268 SER ALA ILE VAL LYS ILE ILE GLU LYS ASN LEU ALA SER SEQRES 20 A 268 PRO LYS GLN MET LEU ALA GLU LEU ARG SER PHE VAL SER SEQRES 21 A 268 ALA MET LYS ALA ALA SER ARG ALA SEQRES 1 B 397 MET THR THR LEU LEU ASN PRO TYR PHE GLY GLU PHE GLY SEQRES 2 B 397 GLY MET TYR VAL PRO GLN ILE LEU MET PRO ALA LEU ASN SEQRES 3 B 397 GLN LEU GLU GLU ALA PHE VAL SER ALA GLN LYS ASP PRO SEQRES 4 B 397 GLU PHE GLN ALA GLN PHE ALA ASP LEU LEU LYS ASN TYR SEQRES 5 B 397 ALA GLY ARG PRO THR ALA LEU THR LYS CYS GLN ASN ILE SEQRES 6 B 397 THR ALA GLY THR ARG THR THR LEU TYR LEU LYS ARG GLU SEQRES 7 B 397 ASP LEU LEU HIS GLY GLY ALA HIS LYS THR ASN GLN VAL SEQRES 8 B 397 LEU GLY GLN ALA LEU LEU ALA LYS ARG MET GLY LYS SER SEQRES 9 B 397 GLU ILE ILE ALA GLU THR GLY ALA GLY GLN HIS GLY VAL SEQRES 10 B 397 ALA SER ALA LEU ALA SER ALA LEU LEU GLY LEU LYS CYS SEQRES 11 B 397 ARG ILE TYR MET GLY ALA LYS ASP VAL GLU ARG GLN SER SEQRES 12 B 397 PRO ASN VAL PHE ARG MET ARG LEU MET GLY ALA GLU VAL SEQRES 13 B 397 ILE PRO VAL HIS SER GLY SER ALA THR LEU LYS ASP ALA SEQRES 14 B 397 CYS ASN GLU ALA LEU ARG ASP TRP SER GLY SER TYR GLU SEQRES 15 B 397 THR ALA HIS TYR MET LEU GLY THR ALA ALA GLY PRO HIS SEQRES 16 B 397 PRO TYR PRO THR ILE VAL ARG GLU PHE GLN ARG MET ILE SEQRES 17 B 397 GLY GLU GLU THR LYS ALA GLN ILE LEU ASP LYS GLU GLY SEQRES 18 B 397 ARG LEU PRO ASP ALA VAL ILE ALA CYS VAL GLY GLY GLY SEQRES 19 B 397 SER ASN ALA ILE GLY MET PHE ALA ASP PHE ILE ASN ASP SEQRES 20 B 397 THR SER VAL GLY LEU ILE GLY VAL GLU PRO GLY GLY HIS SEQRES 21 B 397 GLY ILE GLU THR GLY GLU HIS GLY ALA PRO LEU LYS HIS SEQRES 22 B 397 GLY ARG VAL GLY ILE TYR PHE GLY MET LYS ALA PRO MET SEQRES 23 B 397 MET GLN THR ALA ASP GLY GLN ILE GLU GLU SER TYR SER SEQRES 24 B 397 ILE SER ALA GLY LEU ASP PHE PRO SER VAL GLY PRO GLN SEQRES 25 B 397 HIS ALA TYR LEU ASN SER ILE GLY ARG ALA ASP TYR VAL SEQRES 26 B 397 SER ILE THR ASP ASP GLU ALA LEU GLU ALA PHE LYS THR SEQRES 27 B 397 LEU CYS ARG HIS GLU GLY ILE ILE PRO ALA LEU GLU SER SEQRES 28 B 397 SER HIS ALA LEU ALA HIS ALA LEU LYS MET MET ARG GLU SEQRES 29 B 397 GLN PRO GLU LYS GLU GLN LEU LEU VAL VAL ASN LEU SER SEQRES 30 B 397 GLY ARG GLY ASP LYS ASP ILE PHE THR VAL HIS ASP ILE SEQRES 31 B 397 LEU LYS ALA ARG GLY GLU ILE HET NA B 550 1 HET PLP B 500 15 HETNAM NA SODIUM ION HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 NA NA 1+ FORMUL 4 PLP C8 H10 N O6 P FORMUL 5 HOH *412(H2 O) HELIX 1 1 GLU A 2 ASP A 13 1 12 HELIX 2 2 GLY A 29 ALA A 43 1 15 HELIX 3 3 GLY A 61 ALA A 74 1 14 HELIX 4 4 THR A 77 HIS A 92 1 16 HELIX 5 5 TYR A 102 ASN A 108 1 7 HELIX 6 6 GLY A 110 GLY A 122 1 13 HELIX 7 7 PRO A 132 GLU A 135 5 4 HELIX 8 8 SER A 136 HIS A 146 1 11 HELIX 9 9 ASP A 159 GLY A 170 1 12 HELIX 10 10 LEU A 196 TYR A 203 1 8 HELIX 11 11 SER A 216 GLY A 227 1 12 HELIX 12 12 SER A 235 ASN A 244 1 10 HELIX 13 13 SER A 247 ALA A 265 1 19 HELIX 14 14 PRO B 18 ILE B 20 5 3 HELIX 15 15 LEU B 21 LYS B 37 1 17 HELIX 16 16 ASP B 38 TYR B 52 1 15 HELIX 17 17 ASP B 79 LEU B 81 5 3 HELIX 18 18 HIS B 86 MET B 101 1 16 HELIX 19 19 GLY B 113 LEU B 126 1 14 HELIX 20 20 ALA B 136 GLN B 142 1 7 HELIX 21 21 GLN B 142 MET B 152 1 11 HELIX 22 22 THR B 165 GLY B 179 1 15 HELIX 23 23 PRO B 196 PHE B 204 1 9 HELIX 24 24 ARG B 206 GLY B 221 1 16 HELIX 25 25 GLY B 234 ALA B 242 1 9 HELIX 26 26 ASP B 243 ILE B 245 5 3 HELIX 27 27 GLY B 261 GLY B 265 5 5 HELIX 28 28 ALA B 269 GLY B 274 1 6 HELIX 29 29 SER B 301 ASP B 305 5 5 HELIX 30 30 GLY B 310 ILE B 319 1 10 HELIX 31 31 ASP B 329 GLY B 344 1 16 HELIX 32 32 ALA B 348 GLN B 365 1 18 HELIX 33 33 GLY B 380 LYS B 382 5 3 HELIX 34 34 ASP B 383 LEU B 391 1 9 SHEET 1 A 9 ALA A 149 ILE A 151 0 SHEET 2 A 9 SER A 125 VAL A 128 1 N VAL A 126 O ILE A 151 SHEET 3 A 9 ILE A 97 MET A 101 1 N MET A 101 O LEU A 127 SHEET 4 A 9 LEU A 48 GLY A 51 1 N LEU A 50 O GLY A 98 SHEET 5 A 9 ALA A 18 THR A 24 1 N VAL A 23 O GLY A 51 SHEET 6 A 9 GLY A 230 SER A 233 1 O ALA A 231 N VAL A 20 SHEET 7 A 9 ALA A 208 GLN A 210 1 N GLN A 210 O ILE A 232 SHEET 8 A 9 THR A 174 LEU A 176 1 N THR A 174 O LEU A 209 SHEET 9 A 9 ILE A 153 CYS A 154 1 N CYS A 154 O TYR A 175 SHEET 1 B 4 TYR B 8 PHE B 9 0 SHEET 2 B 4 PHE B 12 TYR B 16 -1 O PHE B 12 N PHE B 9 SHEET 3 B 4 GLY B 281 MET B 286 -1 O LYS B 283 N GLY B 13 SHEET 4 B 4 ARG B 275 TYR B 279 -1 N GLY B 277 O ALA B 284 SHEET 1 C 6 LEU B 59 LYS B 61 0 SHEET 2 C 6 THR B 71 ARG B 77 -1 O LEU B 75 N THR B 60 SHEET 3 C 6 GLN B 370 LEU B 376 1 O VAL B 374 N TYR B 74 SHEET 4 C 6 ALA B 226 CYS B 230 1 N ILE B 228 O VAL B 373 SHEET 5 C 6 GLY B 251 GLY B 259 1 O VAL B 255 N ALA B 229 SHEET 6 C 6 ALA B 322 THR B 328 1 O VAL B 325 N GLU B 256 SHEET 1 D 4 GLU B 155 VAL B 159 0 SHEET 2 D 4 LYS B 129 GLY B 135 1 N ILE B 132 O ILE B 157 SHEET 3 D 4 GLU B 105 THR B 110 1 N ILE B 106 O LYS B 129 SHEET 4 D 4 ALA B 184 MET B 187 1 O MET B 187 N ILE B 107 LINK NZ LYS B 87 C4A PLP B 500 1555 1555 1.35 LINK O GLY B 232 NA NA B 550 1555 1555 2.16 LINK O PHE B 306 NA NA B 550 1555 1555 2.46 LINK O SER B 308 NA NA B 550 1555 1555 2.27 LINK NA NA B 550 O HOH B 614 1555 1555 2.72 LINK NA NA B 550 O HOH B 758 1555 1555 2.50 CISPEP 1 ASP A 27 PRO A 28 0 0.55 CISPEP 2 ARG B 55 PRO B 56 0 -0.10 CISPEP 3 HIS B 195 PRO B 196 0 2.09 SITE 1 AC1 5 GLY B 232 PHE B 306 SER B 308 HOH B 614 SITE 2 AC1 5 HOH B 758 SITE 1 AC2 17 HIS B 86 LYS B 87 GLN B 114 THR B 190 SITE 2 AC2 17 CYS B 230 GLY B 232 GLY B 233 GLY B 234 SITE 3 AC2 17 SER B 235 ASN B 236 GLY B 303 GLU B 350 SITE 4 AC2 17 SER B 377 GLY B 378 HOH B 565 HOH B 742 SITE 5 AC2 17 HOH B 805 CRYST1 182.220 59.990 67.070 90.00 94.68 90.00 C 1 2 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 0.005488 0.000000 0.000449 0.00000 SCALE2 0.000000 0.016669 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014960 0.00000