PDB Short entry for 1B4X HEADER TRANSFERASE 30-DEC-98 1B4X TITLE ASPARTATE AMINOTRANSFERASE FROM E. COLI, C191S MUTATION, WITH BOUND TITLE 2 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 LYS COMPND 9 258 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 TRANSFERASE, AMINOTRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.J.JEFFERY,L.M.GLOSS,G.A.PETSKO,D.RINGE REVDAT 5 02-AUG-23 1B4X 1 REMARK REVDAT 4 03-NOV-21 1B4X 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1B4X 1 VERSN REVDAT 2 24-FEB-09 1B4X 1 VERSN REVDAT 1 27-OCT-00 1B4X 0 JRNL AUTH C.J.JEFFERY,L.M.GLOSS,G.A.PETSKO,D.RINGE JRNL TITL THE ROLE OF RESIDUES OUTSIDE THE ACTIVE SITE: STRUCTURAL JRNL TITL 2 BASIS FOR FUNCTION OF C191 MUTANTS OF ESCHERICHIA 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. 2.45 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) : 2.45 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) (%) : 86.0 REMARK 3 NUMBER OF REFLECTIONS : 17708 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) : 0.207 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 : 3069 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 26 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.87 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) : 0.018 REMARK 3 BOND ANGLES (DEGREES) : 3.520 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.51 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.790 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 1B4X 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_1000171480. 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 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17708 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.450 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 (%) : 86.0 REMARK 200 DATA REDUNDANCY : 1.000 REMARK 200 R MERGE (I) : 0.05900 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) : 2.45 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: OTHER 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 (%): 61.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 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 39.93500 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 39.93500 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 78.56500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 43.34500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 78.56500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 43.34500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 39.93500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 78.56500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 43.34500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 39.93500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 78.56500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 43.34500 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 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 8190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 29240 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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 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. = 15.1 DEGREES REMARK 500 LEU A 272 CA - CB - CG ANGL. DEV. = 15.3 DEGREES REMARK 500 TYR A 295 N - CA - C ANGL. DEV. = -16.6 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 9 121.75 -15.24 REMARK 500 ASP A 22 -4.36 -53.36 REMARK 500 LYS A 32 166.14 -49.56 REMARK 500 LEU A 35 10.98 46.33 REMARK 500 GLU A 43 -28.75 -39.71 REMARK 500 LEU A 50 150.82 -49.92 REMARK 500 TYR A 70 133.09 -38.71 REMARK 500 ALA A 120 -3.64 -57.91 REMARK 500 VAL A 125 138.84 -38.90 REMARK 500 LYS A 126 -7.31 -142.04 REMARK 500 TYR A 160 -45.55 -145.84 REMARK 500 ALA A 163 -9.97 -56.65 REMARK 500 CYS A 192 73.73 53.28 REMARK 500 TYR A 225 40.15 -147.03 REMARK 500 ARG A 230 -42.11 -132.14 REMARK 500 ARG A 266 80.26 59.71 REMARK 500 ASN A 294 -77.10 -96.80 REMARK 500 HIS A 301 -74.51 -44.54 REMARK 500 ALA A 390 26.53 -70.46 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 458 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MAE A 410 DBREF 1B4X A 5 409 UNP P00509 AAT_ECOLI 1 396 SEQADV 1B4X SER A 191 UNP P00509 CYS 180 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 SER 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 458 15 HET MAE A 410 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 *26(H2 O) HELIX 1 1 ALA A 21 PHE A 24 1 4 HELIX 2 2 THR A 51 ASN A 63 1 13 HELIX 3 3 PRO A 77 PHE A 88 1 12 HELIX 4 4 ALA A 93 ASN A 96 1 4 HELIX 5 5 GLY A 108 ASN A 122 1 15 HELIX 6 6 PRO A 141 ALA A 150 5 10 HELIX 7 7 PHE A 170 LEU A 177 1 8 HELIX 8 8 LEU A 202 GLU A 214 1 13 HELIX 9 9 GLU A 235 MET A 246 5 12 HELIX 10 10 TYR A 263 GLU A 265 5 3 HELIX 11 11 SER A 277 ARG A 292 1 16 HELIX 12 12 ALA A 300 SER A 311 1 12 HELIX 13 13 ASP A 313 LYS A 344 1 32 HELIX 14 14 SER A 351 LYS A 355 5 5 HELIX 15 15 LYS A 367 GLU A 376 1 10 HELIX 16 16 VAL A 389 GLY A 391 5 3 HELIX 17 17 MET A 397 ALA A 407 1 10 SHEET 1 A 7 ALA A 100 THR A 105 0 SHEET 2 A 7 GLY A 268 VAL A 273 -1 N LEU A 272 O ARG A 101 SHEET 3 A 7 LEU A 250 SER A 255 -1 N SER A 254 O ALA A 269 SHEET 4 A 7 LEU A 218 PHE A 223 1 N PHE A 221 O ILE A 251 SHEET 5 A 7 VAL A 185 HIS A 189 1 N VAL A 186 O LEU A 218 SHEET 6 A 7 ARG A 129 VAL A 135 1 N TRP A 134 O VAL A 185 SHEET 7 A 7 GLU A 154 ARG A 156 1 N GLU A 154 O VAL A 133 SHEET 1 B 2 PHE A 360 PHE A 362 0 SHEET 2 B 2 ARG A 386 ASN A 388 -1 N VAL A 387 O SER A 361 LINK NZ LYS A 258 C4A PLP A 458 1555 1555 1.37 CISPEP 1 ASN A 137 PRO A 138 0 0.57 CISPEP 2 ASN A 194 PRO A 195 0 2.40 SITE 1 AC1 12 TYR A 70 GLY A 108 THR A 109 TRP A 140 SITE 2 AC1 12 ASN A 194 ASP A 222 ALA A 224 TYR A 225 SITE 3 AC1 12 SER A 255 SER A 257 LYS A 258 ARG A 266 SITE 1 AC2 9 ILE A 17 GLY A 38 TYR A 70 TRP A 140 SITE 2 AC2 9 ASN A 194 ARG A 292 ARG A 386 HOH A 712 SITE 3 AC2 9 HOH A 764 CRYST1 157.130 86.690 79.870 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 0.006364 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011535 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012520 0.00000