PDB Short entry for 1A5A HEADER LYASE 12-FEB-98 1A5A TITLE CRYO-CRYSTALLOGRAPHY OF A TRUE SUBSTRATE, INDOLE-3-GLYCEROL PHOSPHATE, TITLE 2 BOUND TO A MUTANT (ALPHAD60N) TRYPTOPHAN SYNTHASE ALPHA2BETA2 COMPLEX TITLE 3 REVEALS THE CORRECT ORIENTATION OF ACTIVE SITE ALPHA GLU 49 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 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: TRYPTOPHAN SYNTHASE (BETA CHAIN); 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 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 CARBON-OXYGEN LYASE, MUTATION AT POSITION 60 (ASP --> ASN) IN THE A- KEYWDS 2 SUBUNIT, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR S.RHEE,E.W.MILES,D.R.DAVIES REVDAT 4 03-NOV-21 1A5A 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1A5A 1 VERSN REVDAT 2 24-FEB-09 1A5A 1 VERSN REVDAT 1 27-MAY-98 1A5A 0 JRNL AUTH S.RHEE,E.W.MILES,D.R.DAVIES JRNL TITL CRYO-CRYSTALLOGRAPHY OF A TRUE SUBSTRATE, INDOLE-3-GLYCEROL JRNL TITL 2 PHOSPHATE, BOUND TO A MUTANT (ALPHAD60N) TRYPTOPHAN SYNTHASE JRNL TITL 3 ALPHA2BETA2 COMPLEX REVEALS THE CORRECT ORIENTATION OF JRNL TITL 4 ACTIVE SITE ALPHAGLU49. JRNL REF J.BIOL.CHEM. V. 273 8553 1998 JRNL REFN ISSN 0021-9258 JRNL PMID 9535826 JRNL DOI 10.1074/JBC.273.15.8553 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER 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 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 77.7 REMARK 3 NUMBER OF REFLECTIONS : 43791 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : X-PLOR SCRIPT REMARK 3 R VALUE (WORKING SET) : 0.238 REMARK 3 FREE R VALUE : 0.298 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 42.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2650 REMARK 3 BIN R VALUE (WORKING SET) : 0.3320 REMARK 3 BIN FREE R VALUE : 0.3880 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.00 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 : 4879 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 394 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.60 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) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.610 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.420 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 : PARAMCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1A5A 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_1000170409. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-96 REMARK 200 TEMPERATURE (KELVIN) : 95 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRROR 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 : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49520 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.4 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05900 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.1000 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) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 53.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.27000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: ISOMORPHOUS 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 91.75000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.70000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 91.75000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 29.70000 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 183.50000 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 LEU A 177 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 MET B 1 REMARK 465 THR B 2 REMARK 465 LYS B 392 REMARK 465 ALA B 393 REMARK 465 ARG B 394 REMARK 465 GLY B 395 REMARK 465 LEU B 396 REMARK 465 ILE B 397 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 K K B 500 O HOH B 770 0.00 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 LYS B 87 CB LYS B 87 CG 0.166 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 SER A 55 -59.37 -19.39 REMARK 500 PRO A 57 84.72 -56.28 REMARK 500 ASN A 157 33.15 -95.12 REMARK 500 GLN B 142 41.70 -108.33 REMARK 500 ALA B 242 -57.51 -29.87 REMARK 500 SER B 299 146.72 -171.60 REMARK 500 ASP B 305 51.92 -94.69 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 0.06 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 K B 500 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY B 232 O REMARK 620 2 PHE B 306 O 119.8 REMARK 620 3 SER B 308 O 85.3 77.3 REMARK 620 4 HOH B 670 O 85.5 153.9 100.7 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: PLP REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: COENZYME PLP BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 501 DBREF 1A5A A 1 268 UNP P00929 TRPA_SALTY 1 268 DBREF 1A5A B 2 397 UNP P0A2K1 TRPB_SALTY 1 396 SEQADV 1A5A ASN A 60 UNP P00929 ASP 60 ENGINEERED MUTATION SEQADV 1A5A LEU B 396 UNP P0A2K1 GLU 395 CONFLICT 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 ASN 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 LEU ILE HET K B 500 1 HET PLP B 501 15 HETNAM K POTASSIUM ION HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 K K 1+ FORMUL 4 PLP C8 H10 N O6 P FORMUL 5 HOH *394(H2 O) HELIX 1 1 GLU A 2 ASP A 13 1 12 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 ARG A 145 1 9 HELIX 9 9 ASP A 160 TYR A 169 1 10 HELIX 10 10 LEU A 193 GLU A 202 1 10 HELIX 11 11 PRO A 217 ALA A 226 1 10 HELIX 12 12 SER A 235 ALA A 246 1 12 HELIX 13 13 PRO A 248 SER A 266 1 19 HELIX 14 14 GLN B 19 LYS B 37 1 19 HELIX 15 15 PRO B 39 ASN B 51 1 13 HELIX 16 16 GLN B 63 THR B 66 1 4 HELIX 17 17 GLU B 78 LEU B 80 5 3 HELIX 18 18 ASN B 89 ARG B 100 1 12 HELIX 19 19 GLN B 114 LEU B 125 1 12 HELIX 20 20 ALA B 136 VAL B 139 1 4 HELIX 21 21 SER B 143 LEU B 151 1 9 HELIX 22 22 LEU B 166 SER B 180 1 15 HELIX 23 23 TYR B 197 GLU B 203 1 7 HELIX 24 24 MET B 207 LYS B 219 1 13 HELIX 25 25 SER B 235 PHE B 244 1 10 HELIX 26 26 ILE B 262 THR B 264 5 3 HELIX 27 27 PRO B 270 HIS B 273 1 4 HELIX 28 28 ALA B 302 LEU B 304 5 3 HELIX 29 29 PRO B 311 SER B 318 1 8 HELIX 30 30 ASP B 329 GLU B 343 1 15 HELIX 31 31 SER B 351 ARG B 363 1 13 HELIX 32 32 ASP B 381 ASP B 383 5 3 HELIX 33 33 THR B 386 ASP B 389 1 4 SHEET 1 A 5 GLY A 230 SER A 233 0 SHEET 2 A 5 ALA A 18 THR A 24 1 N ALA A 18 O ALA A 231 SHEET 3 A 5 ALA A 47 GLY A 51 1 N ALA A 47 O PRO A 21 SHEET 4 A 5 PRO A 96 MET A 101 1 N PRO A 96 O LEU A 48 SHEET 5 A 5 SER A 125 VAL A 128 1 N SER A 125 O LEU A 99 SHEET 1 B 2 THR A 174 LEU A 176 0 SHEET 2 B 2 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 ALA B 322 THR B 328 1 N ASP B 323 O LEU B 252 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 NZ LYS B 87 C4A PLP B 501 1555 1555 1.34 LINK O GLY B 232 K K B 500 1555 1555 2.51 LINK O PHE B 306 K K B 500 1555 1555 2.65 LINK O SER B 308 K K B 500 1555 1555 2.71 LINK K K B 500 O HOH B 670 1555 1555 2.66 CISPEP 1 ASP A 27 PRO A 28 0 1.33 CISPEP 2 ARG B 55 PRO B 56 0 0.04 CISPEP 3 HIS B 195 PRO B 196 0 1.62 SITE 1 PLP 1 PLP B 501 SITE 1 AC1 4 GLY B 232 PHE B 306 SER B 308 HOH B 670 SITE 1 AC2 16 HIS B 86 LYS B 87 GLN B 114 THR B 190 SITE 2 AC2 16 CYS B 230 GLY B 232 GLY B 233 GLY B 234 SITE 3 AC2 16 SER B 235 ASN B 236 GLY B 303 GLU B 350 SITE 4 AC2 16 SER B 377 GLY B 378 HOH B 598 HOH B 833 CRYST1 183.500 59.400 67.300 90.00 94.60 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 0.005450 0.000000 0.000438 0.00000 SCALE2 0.000000 0.016835 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014907 0.00000