1C8V - Header Asymmetric Unit

HEADER LYASE 30-JUL-99 1C8V

TITLE CRYSTAL STRUCTURE OF THE COMPLEX OF BACTERIAL TRYPTOPHAN SYNTHASE WITH TITLE 2 THE TRANSITION STATE ANALOGUE INHIBITOR 4-(2-HYDROXYPHENYLTHIO)- TITLE 3 BUTYLPHOSPHONIC ACID

COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPTOPHAN SYNTHASE; ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.1.20; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: TRYPTOPHAN SYNTHASE; BETA CHAIN; COMPND 8 CHAIN: B; COMPND 9 EC: 4.2.1.20; COMPND 10 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 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM; SOURCE 8 ORGANISM_TAXID: 602; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS 8-FOLD ALPHA-BETA BARREL, ENZYME-INHIBITOR COMPLEX, LYASE

EXPDTA X-RAY DIFFRACTION

AUTHOR A.SACHPATZIDIS,C.DEALWIS,J.B.LUBETSKY,P.H.LIANG,K.S.ANDERSON,E.LOLIS

REVDAT 4 13-JUL-11 1C8V 1 VERSN REVDAT 3 24-FEB-09 1C8V 1 VERSN REVDAT 2 23-MAR-04 1C8V 3 SOURCE JRNL REMARK HETATM REVDAT 2 2 3 CONECT MASTER REVDAT 1 13-JAN-00 1C8V 0

JRNL AUTH A.SACHPATZIDIS,C.DEALWIS,J.B.LUBETSKY,P.H.LIANG, JRNL AUTH 2 K.S.ANDERSON,E.LOLIS JRNL TITL CRYSTALLOGRAPHIC STUDIES OF PHOSPHONATE-BASED ALPHA-REACTION JRNL TITL 2 TRANSITION-STATE ANALOGUES COMPLEXED TO TRYPTOPHAN SYNTHASE. JRNL REF BIOCHEMISTRY V. 38 12665 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10504236 JRNL DOI 10.1021/BI9907734

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.C.HYDE,S.A.AHMED,E.A.PADLAN,E.W.MILES,D.R.DAVIES REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF THE TRYPTOPHAN SYNTHASE ALPHA REMARK 1 TITL 2 2 BETA 2 MULTIENZYME COMPLEX FROM SALMONELLA TYPHIMURIUM REMARK 1 REF J.BIOL.CHEM. V. 263 17857 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.R.SCHNEIDER,E.GERHARDT,M.LEE,P.H.LIANG,K.S.ANDERSON, REMARK 1 AUTH 2 I.SCHLICHTING REMARK 1 TITL LOOP CLOSURE AND INTERSUBUNIT COMMUNICATION IN TRYPTOPHAN REMARK 1 TITL 2 SYNTHASE REMARK 1 REF BIOCHEMISTRY V. 37 5394 1998 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI9728957

REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.6 REMARK 3 NUMBER OF REFLECTIONS : 35371 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) : 0.208 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3518 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 : 4926 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 160 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.45 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) : 0.22 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.80 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.64 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.53 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 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: REMARK 3 RESTRAINED LEAST SQUARES REFINEMENT. REMARK 3 CONJUGATE GRADIENT MINIMIZATION AND SIMULATED ANNEALING PROTOCOLS REMARK 3 IMPLEMENTED REMARK 3 IN XPLOR. REMARK 3 REMARK 3 NO UNAMBIGUOUS ELECTRON DENSITY WAS FOUND FOR RESIDUES 1, 190, 191, REMARK 3 AND 268 OF REMARK 3 CHAIN A AND RESIDUES 1, 2, AND 390-397 OF CHAIN B. THEREFORE THEY REMARK 3 HAVE NOT REMARK 3 BEEN INCLUDED IN THE ATOMIC MODEL.

REMARK 4 REMARK 4 1C8V COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-AUG-99. REMARK 100 THE RCSB ID CODE IS RCSB009437.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUN-97 REMARK 200 TEMPERATURE (KELVIN) : 140 REMARK 200 PH : 7.8 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35708 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 45.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.3500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.30 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.24100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG 4000, 0.75MM SPERMINE, 50MM REMARK 280 SODIUM BICINE, 1MM EDTA, 5MM DTT, PH 7.8, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 295K

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 91.90000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.38500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 91.90000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.38500 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 183.80000 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 MET A 1 REMARK 465 ALA A 190 REMARK 465 LEU A 191 REMARK 465 ALA A 268 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 ILE B 390 REMARK 465 LEU B 391 REMARK 465 LYS B 392 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 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 LEU A 58 4.81 -67.67 REMARK 500 ASN A 157 46.26 -101.13 REMARK 500 PHE A 212 113.32 99.59 REMARK 500 THR B 165 -159.43 -134.35 REMARK 500 ALA B 242 -64.22 -26.50 REMARK 500 GLU B 266 78.66 -109.07 REMARK 500 LEU B 304 48.64 -107.86 REMARK 500 PRO B 307 17.74 -67.52 REMARK 500 SER B 308 -158.63 -149.69 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 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 VAL A 259 23.8 L L OUTSIDE RANGE 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 B1169 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PHE B 306 O REMARK 620 2 SER B 308 O 87.7 REMARK 620 3 HOH B1029 O 157.5 101.2 REMARK 620 4 HOH B1159 O 75.8 150.3 86.9 REMARK 620 5 GLY B 232 O 103.7 96.2 95.9 111.5 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 1169 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HE1 A 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 900

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1C29 RELATED DB: PDB REMARK 900 1C29 CONTAINS THE SAME PROTEIN COMPLEXED WITH 4-(2- REMARK 900 HYDROXYPHENYLTHIO)-1- BUTENYLPHOSPHONIC ACID

DBREF 1C8V A 1 268 UNP P00929 TRPA_SALTY 1 268 DBREF 1C8V B 1 397 UNP P0A2K1 TRPB_SALTY 1 397

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 LEU 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 ARG 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 B1169 1 HET HE1 A 270 16 HET PLP B 900 15

HETNAM NA SODIUM ION HETNAM HE1 4-(2-HYDROXYPHENYLTHIO)-1-BUTENYLPHOSPHONIC ACID HETNAM PLP PYRIDOXAL-5'-PHOSPHATE

HETSYN PLP VITAMIN B6 PHOSPHATE

FORMUL 3 NA NA 1+ FORMUL 4 HE1 C10 H13 O4 P S FORMUL 5 PLP C8 H10 N O6 P FORMUL 6 HOH *160(H2 O)

HELIX 1 1 GLU A 2 ARG A 14 1 13 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 193 TYR A 203 1 11 HELIX 11 11 SER A 216 GLY A 227 1 12 HELIX 12 12 GLY A 234 ASN A 244 1 11 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 ASP B 38 1 18 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 TYR B 181 1 17 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 ILE B 262 GLY B 265 5 4 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 SER B 351 GLN B 365 1 15 HELIX 33 33 GLY B 380 LYS B 382 5 3 HELIX 34 34 ASP B 383 ASP B 389 1 7

SHEET 1 A 9 ALA A 149 PRO A 150 0 SHEET 2 A 9 SER A 125 VAL A 128 1 N VAL A 126 O ALA A 149 SHEET 3 A 9 ILE A 97 MET A 101 1 O ILE A 97 N SER A 125 SHEET 4 A 9 LEU A 48 GLY A 51 1 O LEU A 48 N GLY A 98 SHEET 5 A 9 ALA A 18 THR A 24 1 O PRO A 21 N GLU A 49 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 GLY A 211 1 O ALA A 208 N GLY A 230 SHEET 8 A 9 THR A 174 LEU A 177 1 O THR A 174 N 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 GLY B 281 N TYR B 16 SHEET 4 B 4 ARG B 275 TYR B 279 -1 O ARG B 275 N MET B 286 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 GLN B 370 N THR B 72 SHEET 4 C 6 ALA B 226 CYS B 230 1 O ALA B 226 N VAL B 373 SHEET 5 C 6 GLY B 251 GLY B 259 1 O GLY B 251 N VAL B 227 SHEET 6 C 6 ASP B 323 THR B 328 1 N ASP B 323 O LEU B 252 SHEET 1 D 4 GLU B 155 VAL B 159 0 SHEET 2 D 4 LYS B 129 GLY B 135 1 O CYS B 130 N GLU B 155 SHEET 3 D 4 GLU B 105 GLU B 109 1 N ILE B 106 O LYS B 129 SHEET 4 D 4 ALA B 184 TYR B 186 1 N HIS B 185 O GLU B 105

LINK NZ LYS B 87 C4A PLP B 900 1555 1555 1.43 LINK NA NA B1169 O PHE B 306 1555 1555 2.33 LINK NA NA B1169 O SER B 308 1555 1555 2.43 LINK NA NA B1169 O HOH B1029 1555 1555 2.57 LINK NA NA B1169 O HOH B1159 1555 1555 2.59 LINK NA NA B1169 O GLY B 232 1555 1555 2.29

CISPEP 1 ASP A 27 PRO A 28 0 -0.02 CISPEP 2 ARG B 55 PRO B 56 0 -0.43 CISPEP 3 HIS B 195 PRO B 196 0 0.67

SITE 1 AC1 5 GLY B 232 PHE B 306 SER B 308 HOH B1029 SITE 2 AC1 5 HOH B1159 SITE 1 AC2 13 PHE A 22 ASP A 60 LEU A 100 LEU A 127 SITE 2 AC2 13 TYR A 175 THR A 183 GLY A 184 PHE A 212 SITE 3 AC2 13 GLY A 213 GLY A 234 SER A 235 HOH A1025 SITE 4 AC2 13 HOH A1078 SITE 1 AC3 14 HIS B 86 LYS B 87 GLN B 114 THR B 190 SITE 2 AC3 14 GLY B 232 GLY B 233 GLY B 234 SER B 235 SITE 3 AC3 14 ASN B 236 GLY B 303 GLU B 350 SER B 377 SITE 4 AC3 14 GLY B 378 HOH B1027

CRYST1 183.800 60.770 68.150 90.00 94.38 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 0.005441 0.000000 0.000417 0.00000

SCALE2 0.000000 0.016455 0.000000 0.00000

SCALE3 0.000000 0.000000 0.014716 0.00000