HEADER TRANSFERASE 24-OCT-02 1N2V TITLE CRYSTAL STRUCTURE OF TGT IN COMPLEX WITH 2-BUTYL-5,6-DIHYDRO-1H- TITLE 2 IMIDAZO[4,5-D]PYRIDAZINE-4,7-DIONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: QUEUINE TRNA-RIBOSYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRNA-GUANINE TRANSGLYCOSYLASE, GUANINE INSERTION ENZYME, COMPND 5 TGT; COMPND 6 EC: 2.4.2.29; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ZYMOMONAS MOBILIS; SOURCE 3 ORGANISM_TAXID: 542; SOURCE 4 GENE: TGT; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET9D KEYWDS PROTEIN-LIGAND COMPLEX, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR R.BRENK,L.NAERUM,U.GRAEDLER,H.-D.GERBER,G.A.GARCIA,K.REUTER, AUTHOR 2 M.T.STUBBS,G.KLEBE REVDAT 6 14-FEB-24 1N2V 1 REMARK REVDAT 5 19-AUG-20 1N2V 1 REMARK LINK REVDAT 4 31-JAN-18 1N2V 1 REMARK REVDAT 3 13-JUL-11 1N2V 1 VERSN REVDAT 2 24-FEB-09 1N2V 1 VERSN REVDAT 1 08-APR-03 1N2V 0 JRNL AUTH R.BRENK,L.NAERUM,U.GRAEDLER,H.-D.GERBER,G.A.GARCIA,K.REUTER, JRNL AUTH 2 M.T.STUBBS,G.KLEBE JRNL TITL VIRTUAL SCREENING FOR SUBMICROMOLAR LEADS OF TRNA-GUANINE JRNL TITL 2 TRANSGLYCOSYLASE BASED ON A NEW UNEXPECTED BINDING MODE JRNL TITL 3 DETECTED BY CRYSTAL STRUCTURE ANALYSIS JRNL REF J.MED.CHEM. V. 46 1133 2003 JRNL REFN ISSN 0022-2623 JRNL PMID 12646024 JRNL DOI 10.1021/JM0209937 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 23607 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 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2380 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.12 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2000 REMARK 3 BIN FREE R VALUE : 0.2340 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 65 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 : 2902 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 282 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.79000 REMARK 3 B22 (A**2) : 0.29500 REMARK 3 B33 (A**2) : 0.49500 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.00700 REMARK 3 B23 (A**2) : 0.00000 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.209 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 1.450 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.297 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.107 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.998 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : LN4.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1N2V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-OCT-02. REMARK 100 THE DEPOSITION ID IS D_1000017449. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-SEP-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : YALE MIRROR REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23842 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09500 REMARK 200 FOR THE DATA SET : 13.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, TRIS, DMSO, DTT, PH 8.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 395K, TEMPERATURE REMARK 280 295.0K 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 45.53000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.19000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 45.53000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 32.19000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4180 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26460 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -7.0 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 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 MET A 1 REMARK 465 VAL A 2 REMARK 465 GLU A 3 REMARK 465 ALA A 4 REMARK 465 THR A 5 REMARK 465 ALA A 6 REMARK 465 GLN A 7 REMARK 465 GLU A 8 REMARK 465 THR A 9 REMARK 465 ASP A 10 REMARK 465 ALA A 383 REMARK 465 ARG A 384 REMARK 465 ASN A 385 REMARK 465 SER A 386 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 GLU A 22 107.74 -162.52 REMARK 500 ALA A 48 57.28 -110.02 REMARK 500 LYS A 52 115.78 -29.88 REMARK 500 LEU A 76 -73.32 -93.28 REMARK 500 ARG A 77 -73.51 -48.90 REMARK 500 SER A 112 170.46 -56.79 REMARK 500 LEU A 128 -74.77 -110.70 REMARK 500 GLN A 203 -163.84 -123.51 REMARK 500 SER A 205 -132.08 53.54 REMARK 500 ALA A 232 59.84 -102.08 REMARK 500 CYS A 281 148.19 -176.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1346 DISTANCE = 6.28 ANGSTROMS REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 BDI A 900 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 ZN A 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 318 SG REMARK 620 2 CYS A 320 SG 103.0 REMARK 620 3 CYS A 323 SG 114.4 116.4 REMARK 620 4 HIS A 349 ND1 105.7 117.2 100.2 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BDI A 900 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ENU RELATED DB: PDB REMARK 900 A NEW TARGET FOR SHIGELLOSIS: RATIONAL DESIGN AND CRYSTALLOGRAPHIC REMARK 900 STUDIES OF INHIBITORS OF TRNA-GUANINE TRANSGLYCOSYLASE REMARK 900 RELATED ID: 1PUD RELATED DB: PDB REMARK 900 APO-STRUCTURE OF TRNA-GUANINE TRANSGLYCOSYLASE DBREF 1N2V A 1 386 UNP P28720 TGT_ZYMMO 0 385 SEQRES 1 A 386 MET VAL GLU ALA THR ALA GLN GLU THR ASP ARG PRO ARG SEQRES 2 A 386 PHE SER PHE SER ILE ALA ALA ARG GLU GLY LYS ALA ARG SEQRES 3 A 386 THR GLY THR ILE GLU MET LYS ARG GLY VAL ILE ARG THR SEQRES 4 A 386 PRO ALA PHE MET PRO VAL GLY THR ALA ALA THR VAL LYS SEQRES 5 A 386 ALA LEU LYS PRO GLU THR VAL ARG ALA THR GLY ALA ASP SEQRES 6 A 386 ILE ILE LEU GLY ASN THR TYR HIS LEU MET LEU ARG PRO SEQRES 7 A 386 GLY ALA GLU ARG ILE ALA LYS LEU GLY GLY LEU HIS SER SEQRES 8 A 386 PHE MET GLY TRP ASP ARG PRO ILE LEU THR ASP SER GLY SEQRES 9 A 386 GLY TYR GLN VAL MET SER LEU SER SER LEU THR LYS GLN SEQRES 10 A 386 SER GLU GLU GLY VAL THR PHE LYS SER HIS LEU ASP GLY SEQRES 11 A 386 SER ARG HIS MET LEU SER PRO GLU ARG SER ILE GLU ILE SEQRES 12 A 386 GLN HIS LEU LEU GLY SER ASP ILE VAL MET ALA PHE ASP SEQRES 13 A 386 GLU CYS THR PRO TYR PRO ALA THR PRO SER ARG ALA ALA SEQRES 14 A 386 SER SER MET GLU ARG SER MET ARG TRP ALA LYS ARG SER SEQRES 15 A 386 ARG ASP ALA PHE ASP SER ARG LYS GLU GLN ALA GLU ASN SEQRES 16 A 386 ALA ALA LEU PHE GLY ILE GLN GLN GLY SER VAL PHE GLU SEQRES 17 A 386 ASN LEU ARG GLN GLN SER ALA ASP ALA LEU ALA GLU ILE SEQRES 18 A 386 GLY PHE ASP GLY TYR ALA VAL GLY GLY LEU ALA VAL GLY SEQRES 19 A 386 GLU GLY GLN ASP GLU MET PHE ARG VAL LEU ASP PHE SER SEQRES 20 A 386 VAL PRO MET LEU PRO ASP ASP LYS PRO HIS TYR LEU MET SEQRES 21 A 386 GLY VAL GLY LYS PRO ASP ASP ILE VAL GLY ALA VAL GLU SEQRES 22 A 386 ARG GLY ILE ASP MET PHE ASP CYS VAL LEU PRO THR ARG SEQRES 23 A 386 SER GLY ARG ASN GLY GLN ALA PHE THR TRP ASP GLY PRO SEQRES 24 A 386 ILE ASN ILE ARG ASN ALA ARG PHE SER GLU ASP LEU LYS SEQRES 25 A 386 PRO LEU ASP SER GLU CYS HIS CYS ALA VAL CYS GLN LYS SEQRES 26 A 386 TRP SER ARG ALA TYR ILE HIS HIS LEU ILE ARG ALA GLY SEQRES 27 A 386 GLU ILE LEU GLY ALA MET LEU MET THR GLU HIS ASN ILE SEQRES 28 A 386 ALA PHE TYR GLN GLN LEU MET GLN LYS ILE ARG ASP SER SEQRES 29 A 386 ILE SER GLU GLY ARG PHE SER GLN PHE ALA GLN ASP PHE SEQRES 30 A 386 ARG ALA ARG TYR PHE ALA ARG ASN SER HET ZN A 400 1 HET BDI A 900 15 HETNAM ZN ZINC ION HETNAM BDI 2-BUTYL-5,6-DIHYDRO-1H-IMIDAZO[4,5-D]PYRIDAZINE-4,7- HETNAM 2 BDI DIONE FORMUL 2 ZN ZN 2+ FORMUL 3 BDI C9 H12 N4 O2 FORMUL 4 HOH *282(H2 O) HELIX 1 1 LYS A 55 THR A 62 1 8 HELIX 2 2 ASN A 70 ARG A 77 1 8 HELIX 3 3 GLY A 79 LEU A 86 1 8 HELIX 4 4 GLY A 88 GLY A 94 1 7 HELIX 5 5 GLY A 104 MET A 109 1 6 HELIX 6 6 SER A 136 GLY A 148 1 13 HELIX 7 7 THR A 164 ARG A 189 1 26 HELIX 8 8 ARG A 189 ALA A 196 1 8 HELIX 9 9 PHE A 207 GLY A 222 1 16 HELIX 10 10 GLY A 236 VAL A 248 1 13 HELIX 11 11 PRO A 249 LEU A 251 5 3 HELIX 12 12 LYS A 264 ARG A 274 1 11 HELIX 13 13 VAL A 282 GLY A 291 1 10 HELIX 14 14 ASN A 304 SER A 308 5 5 HELIX 15 15 CYS A 320 TRP A 326 1 7 HELIX 16 16 SER A 327 ALA A 337 1 11 HELIX 17 17 GLU A 339 GLU A 367 1 29 HELIX 18 18 ARG A 369 PHE A 382 1 14 SHEET 1 A 3 PHE A 14 GLU A 22 0 SHEET 2 A 3 ALA A 25 MET A 32 -1 O GLU A 31 N SER A 15 SHEET 3 A 3 GLY A 35 THR A 39 -1 O ILE A 37 N ILE A 30 SHEET 1 B 9 ALA A 41 MET A 43 0 SHEET 2 B 9 MET A 278 ASP A 280 1 O PHE A 279 N MET A 43 SHEET 3 B 9 HIS A 257 LEU A 259 1 N LEU A 259 O MET A 278 SHEET 4 B 9 GLY A 225 VAL A 228 1 N VAL A 228 O TYR A 258 SHEET 5 B 9 ALA A 197 GLN A 202 1 N GLN A 202 O ALA A 227 SHEET 6 B 9 ILE A 151 MET A 153 1 N VAL A 152 O ALA A 197 SHEET 7 B 9 ILE A 99 THR A 101 1 N THR A 101 O ILE A 151 SHEET 8 B 9 ILE A 67 GLY A 69 1 N GLY A 69 O LEU A 100 SHEET 9 B 9 VAL A 45 GLY A 46 1 N GLY A 46 O LEU A 68 SHEET 1 C 3 SER A 113 GLN A 117 0 SHEET 2 C 3 VAL A 122 LYS A 125 -1 O THR A 123 N LYS A 116 SHEET 3 C 3 ARG A 132 LEU A 135 -1 O LEU A 135 N VAL A 122 SHEET 1 D 2 GLN A 292 ALA A 293 0 SHEET 2 D 2 ILE A 300 ASN A 301 -1 O ILE A 300 N ALA A 293 LINK SG CYS A 318 ZN ZN A 400 1555 1555 2.30 LINK SG CYS A 320 ZN ZN A 400 1555 1555 2.24 LINK SG CYS A 323 ZN ZN A 400 1555 1555 2.23 LINK ND1 HIS A 349 ZN ZN A 400 1555 1555 2.16 CISPEP 1 THR A 39 PRO A 40 0 0.13 CISPEP 2 TYR A 161 PRO A 162 0 -0.06 SITE 1 AC1 4 CYS A 318 CYS A 320 CYS A 323 HIS A 349 SITE 1 AC2 13 TYR A 106 ASP A 156 CYS A 158 ILE A 201 SITE 2 AC2 13 GLN A 203 GLY A 229 GLY A 230 MET A 260 SITE 3 AC2 13 GLY A 261 HOH A1400 HOH A1401 HOH A1403 SITE 4 AC2 13 HOH A1404 CRYST1 91.060 64.380 70.770 90.00 96.50 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 0.010982 0.000000 0.001251 0.00000 SCALE2 0.000000 0.015533 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014222 0.00000