HEADER OXIDOREDUCTASE 25-MAR-97 1ZID TITLE LONG FATTY ACID CHAIN ENOYL-ACP REDUCTASE (INHA) IN COMPLEX WITH AN TITLE 2 ISONICOTINIC-ACYL-NADH INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENOYL-[ACYL-CARRIER-PROTEIN] REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: INHA, ENOYL-ACP REDUCTASE; COMPND 5 EC: 1.3.1.9; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS OXIDOREDUCTASE, INHA ENZYME, ISONIAZID, MODIFIED NADH, ENOYL-ACP KEYWDS 2 REDUCTASE, TUBERCULOSIS, MYCOLIC ACID BIOSYNTHESIS, STRUCTURAL KEYWDS 3 GENOMICS, PSI, PROTEIN STRUCTURE INITIATIVE, TB STRUCTURAL GENOMICS KEYWDS 4 CONSORTIUM, TBSGC EXPDTA X-RAY DIFFRACTION AUTHOR D.A.ROZWARSKI,W.R.JACOBS JR.,J.C.SACCHETTINI,TB STRUCTURAL GENOMICS AUTHOR 2 CONSORTIUM (TBSGC) REVDAT 5 09-AUG-23 1ZID 1 REMARK REVDAT 4 13-JUL-11 1ZID 1 VERSN REVDAT 3 24-FEB-09 1ZID 1 VERSN REVDAT 2 01-FEB-05 1ZID 1 JRNL AUTHOR KEYWDS REMARK REVDAT 1 25-MAR-98 1ZID 0 JRNL AUTH D.A.ROZWARSKI,G.A.GRANT,D.H.BARTON,W.R.JACOBS JR., JRNL AUTH 2 J.C.SACCHETTINI JRNL TITL MODIFICATION OF THE NADH OF THE ISONIAZID TARGET (INHA) FROM JRNL TITL 2 MYCOBACTERIUM TUBERCULOSIS. JRNL REF SCIENCE V. 279 98 1998 JRNL REFN ISSN 0036-8075 JRNL PMID 9417034 JRNL DOI 10.1126/SCIENCE.279.5347.98 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.DESSEN,A.QUEMARD,J.S.BLANCHARD,W.R.JACOBS JUNIOR, REMARK 1 AUTH 2 J.C.SACCHETTINI REMARK 1 TITL CRYSTAL STRUCTURE AND FUNCTION OF THE ISONIAZID TARGET OF REMARK 1 TITL 2 MYCOBACTERIUM TUBERCULOSIS REMARK 1 REF SCIENCE V. 267 1638 1995 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.70 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) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : 89.0 REMARK 3 NUMBER OF REFLECTIONS : 10422 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM IN SHELLS REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.297 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1074 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 : 12 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.77 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 45.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 394 REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE : 0.4330 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 44 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 : 1994 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 52 REMARK 3 SOLVENT ATOMS : 68 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.30 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) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 4.50 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.45 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) : 1.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.200 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 2.500 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 : PARAM.NAD REMARK 3 PARAMETER FILE 3 : PARAM19.SOL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPOLOGY.NAD REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZID 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_1000177478. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NOV-96 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : 0.005 MM NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10621 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.16400 REMARK 200 FOR THE DATA SET : 11.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.77 REMARK 200 COMPLETENESS FOR SHELL (%) : 49.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.34300 REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: INITIAL PHASES DERIVED REMARK 200 FROM NATIVE STRUCTURE (PDB ENTRY 1ENY) REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NATIVE STRUCTURE (PDB ENTRY 1ENY) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% MPD, 4% DMSO, 50MM NACITRATE, 100 REMARK 280 MM HEPES, PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 62 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z REMARK 290 5555 Y,-X+Y,Z+2/3 REMARK 290 6555 X-Y,X,Z+1/3 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+2/3 REMARK 290 11555 -X+Y,Y,-Z REMARK 290 12555 X,X-Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 92.64000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 46.32000 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 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 92.64000 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 46.32000 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 92.64000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 46.32000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 92.64000 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 46.32000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 19810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34370 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -130.0 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 -50.26500 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 87.06153 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 46.32000 REMARK 350 BIOMT1 4 0.500000 0.866025 0.000000 -50.26500 REMARK 350 BIOMT2 4 0.866025 -0.500000 0.000000 87.06153 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 46.32000 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 4 -109.02 55.61 REMARK 500 LEU A 5 15.88 -67.11 REMARK 500 ILE A 16 0.37 -151.53 REMARK 500 PHE A 41 -88.24 -116.65 REMARK 500 ASP A 52 -9.50 -59.83 REMARK 500 PRO A 55 -32.05 -35.27 REMARK 500 HIS A 93 73.61 -117.44 REMARK 500 SER A 94 57.14 -93.98 REMARK 500 MET A 103 -100.19 -91.74 REMARK 500 ALA A 124 -70.44 -95.81 REMARK 500 ALA A 157 -37.96 77.82 REMARK 500 ASN A 159 -92.62 23.28 REMARK 500 ALA A 226 109.61 -55.71 REMARK 500 ALA A 260 73.83 -109.38 REMARK 500 ASP A 261 14.78 -142.62 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 ZID A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: RV1484 RELATED DB: TARGETDB DBREF 1ZID A 3 269 UNP P0A5Y6 INHA_MYCTU 3 269 SEQRES 1 A 268 ALA GLY LEU LEU ASP GLY LYS ARG ILE LEU VAL SER GLY SEQRES 2 A 268 ILE ILE THR ASP SER SER ILE ALA PHE HIS ILE ALA ARG SEQRES 3 A 268 VAL ALA GLN GLU GLN GLY ALA GLN LEU VAL LEU THR GLY SEQRES 4 A 268 PHE ASP ARG LEU ARG LEU ILE GLN ARG ILE THR ASP ARG SEQRES 5 A 268 LEU PRO ALA LYS ALA PRO LEU LEU GLU LEU ASP VAL GLN SEQRES 6 A 268 ASN GLU GLU HIS LEU ALA SER LEU ALA GLY ARG VAL THR SEQRES 7 A 268 GLU ALA ILE GLY ALA GLY ASN LYS LEU ASP GLY VAL VAL SEQRES 8 A 268 HIS SER ILE GLY PHE MET PRO GLN THR GLY MET GLY ILE SEQRES 9 A 268 ASN PRO PHE PHE ASP ALA PRO TYR ALA ASP VAL SER LYS SEQRES 10 A 268 GLY ILE HIS ILE SER ALA TYR SER TYR ALA SER MET ALA SEQRES 11 A 268 LYS ALA LEU LEU PRO ILE MET ASN PRO GLY GLY SER ILE SEQRES 12 A 268 VAL GLY MET ASP PHE ASP PRO SER ARG ALA MET PRO ALA SEQRES 13 A 268 TYR ASN TRP MET THR VAL ALA LYS SER ALA LEU GLU SER SEQRES 14 A 268 VAL ASN ARG PHE VAL ALA ARG GLU ALA GLY LYS TYR GLY SEQRES 15 A 268 VAL ARG SER ASN LEU VAL ALA ALA GLY PRO ILE ARG THR SEQRES 16 A 268 LEU ALA MET SER ALA ILE VAL GLY GLY ALA LEU GLY GLU SEQRES 17 A 268 GLU ALA GLY ALA GLN ILE GLN LEU LEU GLU GLU GLY TRP SEQRES 18 A 268 ASP GLN ARG ALA PRO ILE GLY TRP ASN MET LYS ASP ALA SEQRES 19 A 268 THR PRO VAL ALA LYS THR VAL CYS ALA LEU LEU SER ASP SEQRES 20 A 268 TRP LEU PRO ALA THR THR GLY ASP ILE ILE TYR ALA ASP SEQRES 21 A 268 GLY GLY ALA HIS THR GLN LEU LEU HET ZID A 300 52 HETNAM ZID ISONICOTINIC-ACETYL-NICOTINAMIDE-ADENINE DINUCLEOTIDE FORMUL 2 ZID C27 H30 N8 O15 P2 FORMUL 3 HOH *68(H2 O) HELIX 1 A1 ILE A 21 GLU A 31 1 11 HELIX 2 B1 LEU A 44 LEU A 54 1 11 HELIX 3 C1 GLU A 68 ILE A 82 1 15 HELIX 4 D1 TYR A 113 ILE A 137 1 25 HELIX 5 E1 ASN A 159 GLY A 180 1 22 HELIX 6 F1 ARG A 195 GLY A 205 1 11 HELIX 7 G1 GLU A 209 ALA A 226 1 18 HELIX 8 H1 ALA A 235 SER A 247 1 13 SHEET 1 S1 7 GLY A 7 GLY A 14 0 SHEET 2 S1 7 ALA A 34 GLY A 40 1 SHEET 3 S1 7 LYS A 57 ASP A 64 1 SHEET 4 S1 7 LYS A 87 PRO A 99 1 SHEET 5 S1 7 GLY A 142 ARG A 153 1 SHEET 6 S1 7 VAL A 184 GLY A 192 1 SHEET 7 S1 7 ALA A 252 ALA A 260 1 SITE 1 AC1 28 GLY A 14 ILE A 15 ILE A 16 SER A 20 SITE 2 AC1 28 ILE A 21 PHE A 41 LEU A 63 ASP A 64 SITE 3 AC1 28 VAL A 65 SER A 94 ILE A 95 GLY A 96 SITE 4 AC1 28 ILE A 122 MET A 147 ASP A 148 PHE A 149 SITE 5 AC1 28 MET A 161 LYS A 165 ALA A 191 GLY A 192 SITE 6 AC1 28 ILE A 194 THR A 196 MET A 199 TRP A 222 SITE 7 AC1 28 HOH A 403 HOH A 421 HOH A 429 HOH A 437 CRYST1 100.530 100.530 138.960 90.00 90.00 120.00 P 62 2 2 12 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 0.009947 0.005743 0.000000 0.00000 SCALE2 0.000000 0.011486 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007196 0.00000