HEADER APOPTOSIS 12-JUN-01 1JD4 TITLE CRYSTAL STRUCTURE OF DIAP1-BIR2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: APOPTOSIS 1 INHIBITOR; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: DIAP1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 3 ORGANISM_COMMON: FRUIT FLY; SOURCE 4 ORGANISM_TAXID: 7227; SOURCE 5 GENE: DIAP1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX2T KEYWDS IAP, APOPTOSIS, DROSOPHILA, ZINC-BINDING, CASPASE INHIBITION EXPDTA X-RAY DIFFRACTION AUTHOR J.W.WU,A.E.COCINA,J.CHAI,B.A.HAY,Y.SHI REVDAT 3 16-AUG-23 1JD4 1 REMARK LINK REVDAT 2 24-FEB-09 1JD4 1 VERSN REVDAT 1 05-DEC-01 1JD4 0 JRNL AUTH J.W.WU,A.E.COCINA,J.CHAI,B.A.HAY,Y.SHI JRNL TITL STRUCTURAL ANALYSIS OF A FUNCTIONAL DIAP1 FRAGMENT BOUND TO JRNL TITL 2 GRIM AND HID PEPTIDES. JRNL REF MOL.CELL V. 8 95 2001 JRNL REFN ISSN 1097-2765 JRNL PMID 11511363 JRNL DOI 10.1016/S1097-2765(01)00282-9 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) : 20.00 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) (%) : 95.5 REMARK 3 NUMBER OF REFLECTIONS : 7592 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) : 0.236 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 351 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.82 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 873 REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : 0.3690 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 34 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.012 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1584 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 46.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.334 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) : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JD4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUN-01. REMARK 100 THE DEPOSITION ID IS D_1000013642. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.0 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS 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 : 7220 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.1 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : 0.11300 REMARK 200 FOR THE DATA SET : 15.0000 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) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.5 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.43700 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1G73 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.38 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS, 2,4-METHYL-PENTANEDIOL, PH 8.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 296.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 Y+1/2,-X+1/2,Z+1/2 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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 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 48.05000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 48.05000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 29.65000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 48.05000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 48.05000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 29.65000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 48.05000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 48.05000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 29.65000 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 48.05000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 48.05000 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 29.65000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 ASP A 201 REMARK 465 VAL A 202 REMARK 465 GLN A 203 REMARK 465 PRO A 204 REMARK 465 GLU A 205 REMARK 465 THR A 206 REMARK 465 CYS A 207 REMARK 465 ARG A 208 REMARK 465 PRO A 209 REMARK 465 SER A 210 REMARK 465 ALA A 211 REMARK 465 ALA A 212 REMARK 465 SER A 213 REMARK 465 GLY A 214 REMARK 465 LEU A 311 REMARK 465 ALA A 312 REMARK 465 GLU A 313 REMARK 465 GLU A 314 REMARK 465 LYS A 315 REMARK 465 GLU A 316 REMARK 465 GLU A 317 REMARK 465 SER A 318 REMARK 465 THR A 319 REMARK 465 SER A 320 REMARK 465 ILE A 321 REMARK 465 GLY A 322 REMARK 465 GLY A 323 REMARK 465 ASP A 324 REMARK 465 ASP B 201 REMARK 465 VAL B 202 REMARK 465 GLN B 203 REMARK 465 PRO B 204 REMARK 465 GLU B 205 REMARK 465 THR B 206 REMARK 465 CYS B 207 REMARK 465 ARG B 208 REMARK 465 PRO B 209 REMARK 465 SER B 210 REMARK 465 ALA B 211 REMARK 465 ALA B 212 REMARK 465 SER B 213 REMARK 465 GLY B 214 REMARK 465 LEU B 311 REMARK 465 ALA B 312 REMARK 465 GLU B 313 REMARK 465 GLU B 314 REMARK 465 LYS B 315 REMARK 465 GLU B 316 REMARK 465 GLU B 317 REMARK 465 SER B 318 REMARK 465 THR B 319 REMARK 465 SER B 320 REMARK 465 ILE B 321 REMARK 465 GLY B 322 REMARK 465 GLY B 323 REMARK 465 ASP B 324 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OE2 GLU A 226 NZ LYS B 297 7654 2.11 REMARK 500 NZ LYS A 297 OE2 GLU B 226 7654 2.15 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 PHE A 217 147.62 179.87 REMARK 500 PRO A 237 95.63 -50.94 REMARK 500 TRP A 273 107.82 -57.27 REMARK 500 LEU A 287 56.45 -109.42 REMARK 500 PHE B 217 145.49 178.71 REMARK 500 PRO B 237 96.29 -51.04 REMARK 500 LEU B 287 54.81 -108.00 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 ZN A 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 263 SG REMARK 620 2 CYS A 266 SG 115.4 REMARK 620 3 HIS A 283 NE2 79.8 129.5 REMARK 620 4 CYS A 290 SG 105.9 119.3 99.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 502 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 263 SG REMARK 620 2 CYS B 266 SG 104.9 REMARK 620 3 HIS B 283 NE2 83.1 134.3 REMARK 620 4 CYS B 290 SG 105.9 112.4 108.0 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JD5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF DIAP1-BIR2/GRIM REMARK 900 RELATED ID: 1JD6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF DIAP1-BIR2/HID COMPLEX DBREF 1JD4 A 201 324 UNP Q24306 IAP1_DROME 201 324 DBREF 1JD4 B 201 324 UNP Q24306 IAP1_DROME 201 324 SEQRES 1 A 124 ASP VAL GLN PRO GLU THR CYS ARG PRO SER ALA ALA SER SEQRES 2 A 124 GLY ASN TYR PHE PRO GLN TYR PRO GLU TYR ALA ILE GLU SEQRES 3 A 124 THR ALA ARG LEU ARG THR PHE GLU ALA TRP PRO ARG ASN SEQRES 4 A 124 LEU LYS GLN LYS PRO HIS GLN LEU ALA GLU ALA GLY PHE SEQRES 5 A 124 PHE TYR THR GLY VAL GLY ASP ARG VAL ARG CYS PHE SER SEQRES 6 A 124 CYS GLY GLY GLY LEU MET ASP TRP ASN ASP ASN ASP GLU SEQRES 7 A 124 PRO TRP GLU GLN HIS ALA LEU TRP LEU SER GLN CYS ARG SEQRES 8 A 124 PHE VAL LYS LEU MET LYS GLY GLN LEU TYR ILE ASP THR SEQRES 9 A 124 VAL ALA ALA LYS PRO VAL LEU ALA GLU GLU LYS GLU GLU SEQRES 10 A 124 SER THR SER ILE GLY GLY ASP SEQRES 1 B 124 ASP VAL GLN PRO GLU THR CYS ARG PRO SER ALA ALA SER SEQRES 2 B 124 GLY ASN TYR PHE PRO GLN TYR PRO GLU TYR ALA ILE GLU SEQRES 3 B 124 THR ALA ARG LEU ARG THR PHE GLU ALA TRP PRO ARG ASN SEQRES 4 B 124 LEU LYS GLN LYS PRO HIS GLN LEU ALA GLU ALA GLY PHE SEQRES 5 B 124 PHE TYR THR GLY VAL GLY ASP ARG VAL ARG CYS PHE SER SEQRES 6 B 124 CYS GLY GLY GLY LEU MET ASP TRP ASN ASP ASN ASP GLU SEQRES 7 B 124 PRO TRP GLU GLN HIS ALA LEU TRP LEU SER GLN CYS ARG SEQRES 8 B 124 PHE VAL LYS LEU MET LYS GLY GLN LEU TYR ILE ASP THR SEQRES 9 B 124 VAL ALA ALA LYS PRO VAL LEU ALA GLU GLU LYS GLU GLU SEQRES 10 B 124 SER THR SER ILE GLY GLY ASP HET ZN A 501 1 HET ZN B 502 1 HETNAM ZN ZINC ION FORMUL 3 ZN 2(ZN 2+) HELIX 1 1 TYR A 220 ALA A 224 5 5 HELIX 2 2 ILE A 225 ARG A 231 1 7 HELIX 3 3 THR A 232 TRP A 236 5 5 HELIX 4 4 LYS A 243 ALA A 250 1 8 HELIX 5 5 GLU A 278 LEU A 287 1 10 HELIX 6 6 CYS A 290 LYS A 297 1 8 HELIX 7 7 GLY A 298 LYS A 308 1 11 HELIX 8 8 TYR B 220 ALA B 224 5 5 HELIX 9 9 ILE B 225 ARG B 231 1 7 HELIX 10 10 THR B 232 GLU B 234 5 3 HELIX 11 11 LYS B 243 ALA B 250 1 8 HELIX 12 12 GLU B 278 LEU B 287 1 10 HELIX 13 13 CYS B 290 LYS B 297 1 8 HELIX 14 14 GLY B 298 LYS B 308 1 11 SHEET 1 A 3 PHE A 252 TYR A 254 0 SHEET 2 A 3 VAL A 261 CYS A 263 -1 O ARG A 262 N PHE A 253 SHEET 3 A 3 GLY A 269 LEU A 270 -1 O LEU A 270 N VAL A 261 SHEET 1 B 3 PHE B 252 TYR B 254 0 SHEET 2 B 3 VAL B 261 CYS B 263 -1 O ARG B 262 N PHE B 253 SHEET 3 B 3 GLY B 269 LEU B 270 -1 O LEU B 270 N VAL B 261 LINK SG CYS A 263 ZN ZN A 501 1555 1555 2.44 LINK SG CYS A 266 ZN ZN A 501 1555 1555 2.26 LINK NE2 HIS A 283 ZN ZN A 501 1555 1555 2.55 LINK SG CYS A 290 ZN ZN A 501 1555 1555 2.36 LINK SG CYS B 263 ZN ZN B 502 1555 1555 2.50 LINK SG CYS B 266 ZN ZN B 502 1555 1555 2.13 LINK NE2 HIS B 283 ZN ZN B 502 1555 1555 2.33 LINK SG CYS B 290 ZN ZN B 502 1555 1555 2.28 SITE 1 AC1 4 CYS A 263 CYS A 266 HIS A 283 CYS A 290 SITE 1 AC2 4 CYS B 263 CYS B 266 HIS B 283 CYS B 290 CRYST1 96.100 96.100 59.300 90.00 90.00 90.00 I 4 16 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 0.010406 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010406 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016863 0.00000