HEADER LYASE 08-JAN-97 2TYS TITLE CRYSTAL STRUCTURES OF MUTANT (BETAK87T) TRYPTOPHAN SYNTHASE ALPHA2 TITLE 2 BETA2 COMPLEX WITH LIGANDS BOUND TO THE ACTIVE SITES OF THE ALPHA AND TITLE 3 BETA SUBUNITS REVEAL LIGAND-INDUCED CONFORMATIONAL CHANGES COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPTOPHAN SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.1.20; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: L-TRYPTOPHAN BOUND TO THE BETA SUBUNIT IN A FORM OF COMPND 8 SCHIFF BASE WITH COENZYME PYRIDOXAL 5'-PHOSPHATE; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: TRYPTOPHAN SYNTHASE; COMPND 11 CHAIN: B; COMPND 12 EC: 4.2.1.20; COMPND 13 ENGINEERED: YES; COMPND 14 MUTATION: YES; COMPND 15 OTHER_DETAILS: L-TRYPTOPHAN BOUND TO THE BETA SUBUNIT IN A FORM OF COMPND 16 SCHIFF BASE WITH COENZYME PYRIDOXAL 5'-PHOSPHATE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM; SOURCE 3 ORGANISM_TAXID: 602; SOURCE 4 CELL_LINE: CB149; SOURCE 5 GENE: TRPA/TRPB; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: CB149; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PSTB7; SOURCE 10 EXPRESSION_SYSTEM_GENE: TRPA/TRPB; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: SALMONELLA TYPHIMURIUM; SOURCE 13 ORGANISM_TAXID: 602; SOURCE 14 CELL_LINE: CB149; SOURCE 15 GENE: TRPA/TRPB; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 18 EXPRESSION_SYSTEM_CELL_LINE: CB149; SOURCE 19 EXPRESSION_SYSTEM_PLASMID: PSTB7; SOURCE 20 EXPRESSION_SYSTEM_GENE: TRPA/TRPB KEYWDS LYASE, CARBON-OXYGEN LYASE, TRYPTOPHAN BIOSYNTHESIS, PYRIDOXAL KEYWDS 2 PHOSPHATE EXPDTA X-RAY DIFFRACTION AUTHOR S.RHEE,K.D.PARRIS,C.C.HYDE,S.A.AHMED,E.W.MILES,D.R.DAVIES REVDAT 4 21-FEB-24 2TYS 1 REMARK REVDAT 3 03-NOV-21 2TYS 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 2TYS 1 VERSN REVDAT 1 01-APR-97 2TYS 0 JRNL AUTH S.RHEE,K.D.PARRIS,C.C.HYDE,S.A.AHMED,E.W.MILES,D.R.DAVIES JRNL TITL CRYSTAL STRUCTURES OF A MUTANT (BETAK87T) TRYPTOPHAN JRNL TITL 2 SYNTHASE ALPHA2BETA2 COMPLEX WITH LIGANDS BOUND TO THE JRNL TITL 3 ACTIVE SITES OF THE ALPHA- AND BETA-SUBUNITS REVEAL JRNL TITL 4 LIGAND-INDUCED CONFORMATIONAL CHANGES. JRNL REF BIOCHEMISTRY V. 36 7664 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9201907 JRNL DOI 10.1021/BI9700429 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Z.LU,S.NAGATA,P.MCPHIE,E.W.MILES REMARK 1 TITL LYSINE 87 IN THE BETA SUBUNIT OF TRYPTOPHAN SYNTHASE THAT REMARK 1 TITL 2 FORMS AN INTERNAL ALDIMINE WITH PYRIDOXAL PHOSPHATE SERVES REMARK 1 TITL 3 CRITICAL ROLES IN TRANSIMINATION, CATALYSIS, AND PRODUCT REMARK 1 TITL 4 RELEASE REMARK 1 REF J.BIOL.CHEM. V. 268 8727 1993 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 82.4 REMARK 3 NUMBER OF REFLECTIONS : 49684 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.171 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4925 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 358 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.50 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) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.009 ; 0.009 REMARK 3 ANGLE DISTANCE (A) : 0.018 ; 0.012 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.019 ; 0.015 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.012 ; 0.010 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.088 ; 0.050 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.165 ; 0.200 REMARK 3 MULTIPLE TORSION (A) : 0.158 ; 0.200 REMARK 3 H-BOND (X...Y) (A) : 0.167 ; 0.200 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 0.000 ; 15.000 REMARK 3 PLANAR (DEGREES) : 2.400 ; 2.000 REMARK 3 STAGGERED (DEGREES) : 18.300; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 28.900; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.490 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.230 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.350 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.090 ; 5.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2TYS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178714. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-92 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 2 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : RIGAKU REMARK 200 DATA SCALING SOFTWARE : RIGAKU REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50490 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.6 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.04400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.3000 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 (%) : 46.8 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 <I/SIGMA(I)> FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: ISOMORPHOUS WITH PDB ENTRY REMARK 200 1WSY. 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 (%): 48.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM NABICINE (PH 7.8), 1MM NA-EDTA, REMARK 280 0.8-1.5MM SPERMINE, 12% PEG8000 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 92.90000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 92.90000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 31.15000 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 185.80000 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 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 MET B 1 REMARK 465 THR B 2 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 145 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 145 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG B 148 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 ARG B 148 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 ARG B 222 NE - CZ - NH1 ANGL. DEV. = 3.5 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 LEU A 177 51.60 -119.74 REMARK 500 ILE A 214 92.74 -63.94 REMARK 500 SER A 235 -10.86 -154.91 REMARK 500 ALA B 269 67.43 -119.04 REMARK 500 ALA B 393 -8.54 -59.22 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 400 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY B 232 O REMARK 620 2 PHE B 306 O 117.2 REMARK 620 3 SER B 308 O 86.7 85.4 REMARK 620 4 HOH B 401 O 102.4 86.0 169.6 REMARK 620 5 HOH B 402 O 95.3 147.3 100.6 83.7 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: S1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: REACTION INTERMEDIATE BOUND TO THE BETA ACTIVE REMARK 800 SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLT B 399 DBREF 2TYS A 1 268 UNP P00929 TRPA_SALTY 1 268 DBREF 2TYS B 2 397 UNP P0A2K1 TRPB_SALTY 1 396 SEQADV 2TYS THR B 87 UNP P0A2K1 LYS 86 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 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 THR 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 400 1 HET PLT B 399 30 HETNAM NA SODIUM ION HETNAM PLT [3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4- HETNAM 2 PLT YLMETHYL]-L-TRYPTOPHANE FORMUL 3 NA NA 1+ FORMUL 4 PLT C19 H20 N3 O7 P FORMUL 5 HOH *358(H2 O) HELIX 1 1 GLU A 2 ARG A 14 1 13 HELIX 2 2 ILE A 30 ALA A 43 1 14 HELIX 3 3 PRO A 62 ALA A 73 1 12 HELIX 4 4 PRO A 78 LYS A 91 1 14 HELIX 5 5 ALA A 103 PHE A 107 1 5 HELIX 6 6 ILE A 111 VAL A 121 1 11 HELIX 7 7 VAL A 133 GLU A 135 5 3 HELIX 8 8 ALA A 137 HIS A 146 1 10 HELIX 9 9 ASP A 160 TYR A 169 1 10 HELIX 10 10 LEU A 193 TYR A 203 1 11 HELIX 11 11 PRO A 217 ALA A 226 1 10 HELIX 12 12 ALA A 236 ASN A 244 1 9 HELIX 13 13 PRO A 248 SER A 266 1 19 HELIX 14 14 GLN B 19 LYS B 37 5 19 HELIX 15 15 PRO B 39 ASN B 51 1 13 HELIX 16 16 GLU B 78 LEU B 80 5 3 HELIX 17 17 HIS B 86 ARG B 100 5 15 HELIX 18 18 GLN B 114 LEU B 126 1 13 HELIX 19 19 ALA B 136 ARG B 141 1 6 HELIX 20 20 SER B 143 LEU B 151 1 9 HELIX 21 21 LEU B 166 SER B 180 1 15 HELIX 22 22 TYR B 197 GLU B 203 1 7 HELIX 23 23 MET B 207 GLU B 220 1 14 HELIX 24 24 SER B 235 PHE B 244 1 10 HELIX 25 25 ILE B 262 THR B 264 5 3 HELIX 26 26 PRO B 270 HIS B 273 1 4 HELIX 27 27 ALA B 302 LEU B 304 5 3 HELIX 28 28 PRO B 311 SER B 318 1 8 HELIX 29 29 ASP B 329 GLU B 343 1 15 HELIX 30 30 LEU B 349 GLU B 364 1 16 HELIX 31 31 ASP B 381 LYS B 392 5 12 SHEET 1 A 6 GLY A 230 SER A 233 0 SHEET 2 A 6 ALA A 18 THR A 24 1 N ALA A 18 O ALA A 231 SHEET 3 A 6 ALA A 47 GLY A 51 1 N ALA A 47 O PRO A 21 SHEET 4 A 6 PRO A 96 MET A 101 1 N PRO A 96 O LEU A 48 SHEET 5 A 6 SER A 125 VAL A 128 1 N SER A 125 O LEU A 99 SHEET 6 A 6 ALA A 149 ILE A 151 1 N ALA A 149 O VAL A 126 SHEET 1 B 3 PHE A 152 CYS A 154 0 SHEET 2 B 3 THR A 174 LEU A 176 1 N TYR A 175 O PHE A 152 SHEET 3 B 3 ALA A 208 GLN A 210 1 N LEU A 209 O THR A 174 SHEET 1 C 6 LEU B 59 LYS B 61 0 SHEET 2 C 6 THR B 71 ARG B 77 -1 N LEU B 75 O THR B 60 SHEET 3 C 6 GLN B 370 LEU B 376 1 N GLN B 370 O THR B 72 SHEET 4 C 6 ALA B 226 CYS B 230 1 N ALA B 226 O VAL B 373 SHEET 5 C 6 GLY B 251 GLY B 259 1 N GLY B 251 O VAL B 227 SHEET 6 C 6 ASP B 323 THR B 328 1 N ASP B 323 O GLY B 254 SHEET 1 D 4 ALA B 184 TYR B 186 0 SHEET 2 D 4 GLU B 105 THR B 110 1 N GLU B 105 O HIS B 185 SHEET 3 D 4 LYS B 129 GLY B 135 1 N LYS B 129 O ILE B 106 SHEET 4 D 4 GLU B 155 VAL B 159 1 N GLU B 155 O ILE B 132 SHEET 1 E 2 ARG B 275 TYR B 279 0 SHEET 2 E 2 MET B 282 MET B 286 -1 N MET B 286 O ARG B 275 LINK O GLY B 232 NA NA B 400 1555 1555 2.40 LINK O PHE B 306 NA NA B 400 1555 1555 2.44 LINK O SER B 308 NA NA B 400 1555 1555 2.32 LINK NA NA B 400 O HOH B 401 1555 1555 2.32 LINK NA NA B 400 O HOH B 402 1555 1555 2.40 CISPEP 1 ASP A 27 PRO A 28 0 1.56 CISPEP 2 ARG B 55 PRO B 56 0 -0.31 CISPEP 3 HIS B 195 PRO B 196 0 6.86 SITE 1 S1 1 PLT B 399 SITE 1 AC1 5 GLY B 232 PHE B 306 SER B 308 HOH B 401 SITE 2 AC1 5 HOH B 402 SITE 1 AC2 24 HIS B 86 GLU B 109 THR B 110 GLY B 111 SITE 2 AC2 24 ALA B 112 GLY B 113 GLN B 114 HIS B 115 SITE 3 AC2 24 LEU B 166 CYS B 170 GLY B 189 THR B 190 SITE 4 AC2 24 CYS B 230 GLY B 232 GLY B 233 GLY B 234 SITE 5 AC2 24 SER B 235 ASN B 236 GLY B 303 PHE B 306 SITE 6 AC2 24 GLU B 350 SER B 377 HOH B 427 HOH B 561 CRYST1 185.800 62.300 67.800 90.00 94.10 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 0.005382 0.000000 0.000386 0.00000 SCALE2 0.000000 0.016051 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014787 0.00000