PDB Short entry for 1QIT HEADER AMINOTRANSFERASE 15-JUN-99 1QIT TITLE ASPARTATE AMINOTRANSFERASE FROM ESCHERICHIA COLI, C191W MUTATION, WITH TITLE 2 BOUND MALEATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ASPARTATE AMINOTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: COMPLETE SUBUNIT; COMPND 5 EC: 2.6.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: PYRIDOXAL PHOSPHATE COFACTOR COVALENTLY BOUND TO COMPND 9 LYS258 VIA SCHIFF BASE LINKAGE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 CELLULAR_LOCATION: CYTOPLASM; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS AMINOTRANSFERASE, TRANSFERASE(AMINOTRANSFERASE), PYRIDOXAL PHOSPHATE, KEYWDS 2 MALEATE EXPDTA X-RAY DIFFRACTION AUTHOR C.J.JEFFERY,L.M.GLOSS,G.A.PETSKO,D.RINGE REVDAT 4 13-DEC-23 1QIT 1 REMARK LINK REVDAT 3 05-JUL-17 1QIT 1 REMARK REVDAT 2 24-FEB-09 1QIT 1 VERSN REVDAT 1 05-JUN-00 1QIT 0 JRNL AUTH C.J.JEFFERY,L.M.GLOSS,G.A.PETSKO,D.RINGE JRNL TITL THE ROLE OF RESIDUES OUTSIDE THE ACTIVE SITE IN CATALYSIS: JRNL TITL 2 STRUCTURAL BASIS FOR FUNCTION OF C191 MUTANTS OF E. COLI JRNL TITL 3 ASPARTATE AMINOTRANSFERASE JRNL REF PROTEIN ENG. V. 13 105 2000 JRNL REFN ISSN 0269-2139 JRNL PMID 10708649 JRNL DOI 10.1093/PROTEIN/13.2.105 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 80.0 REMARK 3 NUMBER OF REFLECTIONS : 38214 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.189 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 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 : 3077 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 117 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.91 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) : 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) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 3.431 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.12 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.258 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1QIT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 15-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1290001757. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 297.0 REMARK 200 PH : 7.50 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 : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU IMAGE PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38214 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.0 REMARK 200 DATA REDUNDANCY : 1.000 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: 1ASA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN SOLUTION: 9MG/ML PROTEIN, 20 REMARK 280 MM POTASSIUM PHOSPHATE BUFFER, PH 7.5, 10 UM PLP, 5 MM EDTA, REMARK 280 RESERVOIR SOLUTION: 20MM POTASSIUM PHOSPHATE BUFFER, PH 7.5, AND REMARK 280 45-50% AMMONIUM SULFATE, PH 7.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 39.05000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.05000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 78.72500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.52500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 78.72500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.52500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 39.05000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 78.72500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.52500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 39.05000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 78.72500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.52500 REMARK 290 SMTRY3 8 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 300 REMARK: BIOLOGICAL_UNIT: ACTIVE AS A DIMER 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 TOTAL BURIED SURFACE AREA: 7750 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34990 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.4 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 0.00000 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 400 REMARK 400 COMPOUND REMARK 400 NUMBERED TO MATCH NUMBERING OF CHICKEN CYTOPLASMIC ASPARTATE REMARK 400 AMINOTRANSFERASE 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 O ASN A 34 O TYR A 380 2.11 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 LEU A 173 CA - CB - CG ANGL. DEV. = 17.2 DEGREES REMARK 500 ARG A 266 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 266 NE - CZ - NH2 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 348 NE - CZ - NH1 ANGL. DEV. = 3.1 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 ILE A 17 -60.72 -106.49 REMARK 500 ASN A 34 -80.34 -72.82 REMARK 500 LEU A 35 2.10 55.72 REMARK 500 TYR A 160 -64.64 -152.17 REMARK 500 CYS A 192 62.40 65.82 REMARK 500 ALA A 229 -72.11 -101.64 REMARK 500 ARG A 266 79.47 58.06 REMARK 500 ASN A 294 -75.37 -112.40 REMARK 500 SER A 296 -61.84 76.46 REMARK 500 REMARK 500 REMARK: NULL 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 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MAE A 411 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QIS RELATED DB: PDB REMARK 900 ASPARTATE AMINOTRANSFERASE FROM ESCHERICHIA COLI, C191F MUTATION, REMARK 900 WITH BOUND MALEATE REMARK 900 RELATED ID: 1QIR RELATED DB: PDB REMARK 900 ASPARTATE AMINOTRANSFERASE FROM ESCHERICHIA COLI, C191Y MUTATION, REMARK 900 WITH BOUND MALEATE DBREF 1QIT A 5 409 UNP P00509 AAT_ECOLI 1 396 SEQADV 1QIT TRP A 191 UNP P00509 CYS 191 ENGINEERED MUTATION SEQRES 1 A 396 MET PHE GLU ASN ILE THR ALA ALA PRO ALA ASP PRO ILE SEQRES 2 A 396 LEU GLY LEU ALA ASP LEU PHE ARG ALA ASP GLU ARG PRO SEQRES 3 A 396 GLY LYS ILE ASN LEU GLY ILE GLY VAL TYR LYS ASP GLU SEQRES 4 A 396 THR GLY LYS THR PRO VAL LEU THR SER VAL LYS LYS ALA SEQRES 5 A 396 GLU GLN TYR LEU LEU GLU ASN GLU THR THR LYS ASN TYR SEQRES 6 A 396 LEU GLY ILE ASP GLY ILE PRO GLU PHE GLY ARG CYS THR SEQRES 7 A 396 GLN GLU LEU LEU PHE GLY LYS GLY SER ALA LEU ILE ASN SEQRES 8 A 396 ASP LYS ARG ALA ARG THR ALA GLN THR PRO GLY GLY THR SEQRES 9 A 396 GLY ALA LEU ARG VAL ALA ALA ASP PHE LEU ALA LYS ASN SEQRES 10 A 396 THR SER VAL LYS ARG VAL TRP VAL SER ASN PRO SER TRP SEQRES 11 A 396 PRO ASN HIS LYS SER VAL PHE ASN SER ALA GLY LEU GLU SEQRES 12 A 396 VAL ARG GLU TYR ALA TYR TYR ASP ALA GLU ASN HIS THR SEQRES 13 A 396 LEU ASP PHE ASP ALA LEU ILE ASN SER LEU ASN GLU ALA SEQRES 14 A 396 GLN ALA GLY ASP VAL VAL LEU PHE HIS GLY TRP CYS HIS SEQRES 15 A 396 ASN PRO THR GLY ILE ASP PRO THR LEU GLU GLN TRP GLN SEQRES 16 A 396 THR LEU ALA GLN LEU SER VAL GLU LYS GLY TRP LEU PRO SEQRES 17 A 396 LEU PHE ASP PHE ALA TYR GLN GLY PHE ALA ARG GLY LEU SEQRES 18 A 396 GLU GLU ASP ALA GLU GLY LEU ARG ALA PHE ALA ALA MET SEQRES 19 A 396 HIS LYS GLU LEU ILE VAL ALA SER SER TYR SER LYS ASN SEQRES 20 A 396 PHE GLY LEU TYR ASN GLU ARG VAL GLY ALA CYS THR LEU SEQRES 21 A 396 VAL ALA ALA ASP SER GLU THR VAL ASP ARG ALA PHE SER SEQRES 22 A 396 GLN MET LYS ALA ALA ILE ARG ALA ASN TYR SER ASN PRO SEQRES 23 A 396 PRO ALA HIS GLY ALA SER VAL VAL ALA THR ILE LEU SER SEQRES 24 A 396 ASN ASP ALA LEU ARG ALA ILE TRP GLU GLN GLU LEU THR SEQRES 25 A 396 ASP MET ARG GLN ARG ILE GLN ARG MET ARG GLN LEU PHE SEQRES 26 A 396 VAL ASN THR LEU GLN GLU LYS GLY ALA ASN ARG ASP PHE SEQRES 27 A 396 SER PHE ILE ILE LYS GLN ASN GLY MET PHE SER PHE SER SEQRES 28 A 396 GLY LEU THR LYS GLU GLN VAL LEU ARG LEU ARG GLU GLU SEQRES 29 A 396 PHE GLY VAL TYR ALA VAL ALA SER GLY ARG VAL ASN VAL SEQRES 30 A 396 ALA GLY MET THR PRO ASP ASN MET ALA PRO LEU CYS GLU SEQRES 31 A 396 ALA ILE VAL ALA VAL LEU HET PLP A 410 15 HET MAE A 411 8 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETNAM MAE MALEIC ACID HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 2 PLP C8 H10 N O6 P FORMUL 3 MAE C4 H4 O4 FORMUL 4 HOH *117(H2 O) HELIX 1 1 GLY A 19 ALA A 26 1 8 HELIX 2 2 LEU A 50 GLU A 64 1 15 HELIX 3 3 ILE A 76 GLY A 89 1 14 HELIX 4 4 SER A 92 ASP A 97 1 6 HELIX 5 5 PRO A 106 THR A 123 1 18 HELIX 6 6 PRO A 141 ALA A 150 1 10 HELIX 7 7 ASP A 169 ASN A 178 1 10 HELIX 8 8 THR A 201 GLY A 216 1 16 HELIX 9 9 ALA A 237 HIS A 247 1 11 HELIX 10 10 LEU A 262 ARG A 266 5 5 HELIX 11 11 ASP A 276 ALA A 293 1 18 HELIX 12 12 PRO A 299 ASN A 312 1 14 HELIX 13 13 ASN A 312 LYS A 344 1 33 HELIX 14 14 PHE A 350 GLN A 356 5 7 HELIX 15 15 THR A 366 GLY A 378 1 13 HELIX 16 16 ALA A 390 MET A 392 5 3 HELIX 17 17 ASN A 396 LEU A 409 1 13 SHEET 1 A 5 ALA A 100 THR A 105 0 SHEET 2 A 5 GLY A 268 VAL A 273 -1 N LEU A 272 O ARG A 101 SHEET 3 A 5 LEU A 250 SER A 255 -1 N SER A 254 O ALA A 269 SHEET 4 A 5 LEU A 218 PHE A 223 1 N PRO A 219 O ILE A 251 SHEET 5 A 5 VAL A 185 HIS A 189 1 N VAL A 186 O LEU A 218 SHEET 1 B 2 ARG A 129 ASN A 137 0 SHEET 2 B 2 GLU A 154 ALA A 159 1 N GLU A 154 O VAL A 133 SHEET 1 C 2 PHE A 360 PHE A 362 0 SHEET 2 C 2 ARG A 386 ASN A 388 -1 N VAL A 387 O SER A 361 LINK NZ LYS A 258 C4A PLP A 410 1555 1555 1.31 CISPEP 1 ASN A 137 PRO A 138 0 -0.07 CISPEP 2 ASN A 194 PRO A 195 0 0.45 SITE 1 AC1 15 TYR A 70 GLY A 107 GLY A 108 THR A 109 SITE 2 AC1 15 TRP A 140 ASN A 194 ASP A 222 ALA A 224 SITE 3 AC1 15 TYR A 225 SER A 255 SER A 257 LYS A 258 SITE 4 AC1 15 ARG A 266 MAE A 411 HOH A2117 SITE 1 AC2 9 ILE A 17 GLY A 38 TRP A 140 ASN A 194 SITE 2 AC2 9 LYS A 258 ARG A 292 ARG A 386 PLP A 410 SITE 3 AC2 9 HOH A2117 CRYST1 157.450 85.050 78.100 90.00 90.00 90.00 C 2 2 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 0.006351 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011758 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012804 0.00000