HEADER APOPTOSIS/APOPTOSIS INHIBITOR 08-NOV-00 1G73 TITLE CRYSTAL STRUCTURE OF SMAC BOUND TO XIAP-BIR3 DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SECOND MITOCHONDRIA-DERIVED ACTIVATOR OF CASPASES; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 1-162; COMPND 5 SYNONYM: SMAC/DIABLO; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: INHIBITORS OF APOPTOSIS-LIKE PROTEIN ILP; COMPND 10 CHAIN: C, D; COMPND 11 FRAGMENT: BIR3 DOMAIN (RESIDUES 238-358); COMPND 12 SYNONYM: IAP-LIKE PROTEIN ILP; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SMAC; 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: PET15-B; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 16 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 17 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 18 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 19 EXPRESSION_SYSTEM_PLASMID: PET15-B KEYWDS HELIX BUNDLE, ZINC-BINDING DOMAIN, APOPTOSIS-APOPTOSIS INHIBITOR KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR G.WU,J.CHAI,T.L.SUBER,J.-W.WU,Y.SHI REVDAT 5 07-FEB-24 1G73 1 REMARK REVDAT 4 27-OCT-21 1G73 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1G73 1 VERSN REVDAT 2 01-APR-03 1G73 1 JRNL REVDAT 1 10-JAN-01 1G73 0 JRNL AUTH G.WU,J.CHAI,T.L.SUBER,J.W.WU,C.DU,X.WANG,Y.SHI JRNL TITL STRUCTURAL BASIS OF IAP RECOGNITION BY SMAC/DIABLO. JRNL REF NATURE V. 408 1008 2000 JRNL REFN ISSN 0028-0836 JRNL PMID 11140638 JRNL DOI 10.1038/35050012 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 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) (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 40345 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) : 0.227 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1895 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.09 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3430 REMARK 3 BIN FREE R VALUE : 0.3620 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 175 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 : 4008 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) : 30.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.00 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 1G73 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-NOV-00. REMARK 100 THE DEPOSITION ID IS D_1000012315. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUL-00; 13-SEP-00 REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N; Y REMARK 200 RADIATION SOURCE : ROTATING ANODE; NSLS REMARK 200 BEAMLINE : NULL; X4A REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418; 1.1 REMARK 200 MONOCHROMATOR : GRAPHITE; NULL REMARK 200 OPTICS : MIRRORS; NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV; FUJI REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40346 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.8 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : 0.04500 REMARK 200 FOR THE DATA SET : 35.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.27000 REMARK 200 R SYM FOR SHELL (I) : 0.27000 REMARK 200 FOR SHELL : 5.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.32 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM CITRATE, PH5.5 5% PEG4000 10% REMARK 280 ISOPROPANOL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 297K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 4 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 300 SMAC (CHAIN A OR B) IS A HOMODIMER. ONE MISSENSE REMARK 300 MUTATION WAS INTRODUCED SO THAT CHAIN A AND B NO LONGER REMARK 300 FORMS A BIOLOGICALLY RELEVANT 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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, D 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 ILE A 158 REMARK 465 GLU A 159 REMARK 465 GLU A 160 REMARK 465 LEU A 161 REMARK 465 ARG A 162 REMARK 465 ILE B 158 REMARK 465 GLU B 159 REMARK 465 GLU B 160 REMARK 465 LEU B 161 REMARK 465 ARG B 162 REMARK 465 ARG C 238 REMARK 465 SER C 239 REMARK 465 GLU C 240 REMARK 465 SER C 241 REMARK 465 ASP C 242 REMARK 465 ALA C 243 REMARK 465 VAL C 244 REMARK 465 SER C 245 REMARK 465 SER C 246 REMARK 465 ASP C 247 REMARK 465 ARG C 248 REMARK 465 ASN C 249 REMARK 465 PHE C 250 REMARK 465 PRO C 251 REMARK 465 ASN C 252 REMARK 465 SER C 253 REMARK 465 THR C 254 REMARK 465 ASN C 255 REMARK 465 THR C 345 REMARK 465 HIS C 346 REMARK 465 SER C 347 REMARK 465 LEU C 348 REMARK 465 GLU C 349 REMARK 465 GLU C 350 REMARK 465 CYS C 351 REMARK 465 LEU C 352 REMARK 465 VAL C 353 REMARK 465 ARG C 354 REMARK 465 THR C 355 REMARK 465 THR C 356 REMARK 465 GLU C 357 REMARK 465 LYS C 358 REMARK 465 ARG D 238 REMARK 465 SER D 239 REMARK 465 GLU D 240 REMARK 465 SER D 241 REMARK 465 ASP D 242 REMARK 465 ALA D 243 REMARK 465 VAL D 244 REMARK 465 SER D 245 REMARK 465 SER D 246 REMARK 465 ASP D 247 REMARK 465 ARG D 248 REMARK 465 ASN D 249 REMARK 465 PHE D 250 REMARK 465 PRO D 251 REMARK 465 ASN D 252 REMARK 465 SER D 253 REMARK 465 THR D 254 REMARK 465 ASN D 255 REMARK 465 LYS D 358 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 C 331 CA - CB - CG ANGL. DEV. = 15.2 DEGREES REMARK 500 LEU D 344 N - CA - C ANGL. DEV. = -16.3 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 GLN A 6 -147.88 -138.15 REMARK 500 LYS A 7 126.14 111.39 REMARK 500 SER A 8 -48.83 -170.85 REMARK 500 SER A 71 -86.39 29.21 REMARK 500 GLN B 6 86.01 -46.71 REMARK 500 LYS B 7 62.07 -108.15 REMARK 500 SER B 12 68.52 -117.64 REMARK 500 SER B 71 -119.85 51.82 REMARK 500 HIS C 302 -63.98 -93.33 REMARK 500 PRO C 312 -71.61 -43.98 REMARK 500 HIS C 343 40.15 -91.14 REMARK 500 THR D 345 -49.37 77.85 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 B 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 300 SG REMARK 620 2 CYS C 303 SG 109.7 REMARK 620 3 HIS C 320 NE2 109.0 84.5 REMARK 620 4 CYS C 327 SG 108.4 115.1 127.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 502 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 300 SG REMARK 620 2 CYS D 303 SG 109.9 REMARK 620 3 HIS D 320 NE2 82.5 124.1 REMARK 620 4 CYS D 327 SG 111.5 113.0 111.5 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 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN D 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FEW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SMAC DBREF 1G73 A 1 162 UNP Q9NR28 DBLOH_HUMAN 56 217 DBREF 1G73 B 1 162 UNP Q9NR28 DBLOH_HUMAN 56 217 DBREF 1G73 C 238 358 UNP P98170 BIRC4_HUMAN 238 358 DBREF 1G73 D 238 358 UNP P98170 BIRC4_HUMAN 238 358 SEQADV 1G73 ASP A 33 UNP Q9NR28 PHE 88 ENGINEERED MUTATION SEQADV 1G73 ASP B 33 UNP Q9NR28 PHE 88 ENGINEERED MUTATION SEQRES 1 A 162 ALA VAL PRO ILE ALA GLN LYS SER GLU PRO HIS SER LEU SEQRES 2 A 162 SER SER GLU ALA LEU MET ARG ARG ALA VAL SER LEU VAL SEQRES 3 A 162 THR ASP SER THR SER THR ASP LEU SER GLN THR THR TYR SEQRES 4 A 162 ALA LEU ILE GLU ALA ILE THR GLU TYR THR LYS ALA VAL SEQRES 5 A 162 TYR THR LEU THR SER LEU TYR ARG GLN TYR THR SER LEU SEQRES 6 A 162 LEU GLY LYS MET ASN SER GLU GLU GLU ASP GLU VAL TRP SEQRES 7 A 162 GLN VAL ILE ILE GLY ALA ARG ALA GLU MET THR SER LYS SEQRES 8 A 162 HIS GLN GLU TYR LEU LYS LEU GLU THR THR TRP MET THR SEQRES 9 A 162 ALA VAL GLY LEU SER GLU MET ALA ALA GLU ALA ALA TYR SEQRES 10 A 162 GLN THR GLY ALA ASP GLN ALA SER ILE THR ALA ARG ASN SEQRES 11 A 162 HIS ILE GLN LEU VAL LYS LEU GLN VAL GLU GLU VAL HIS SEQRES 12 A 162 GLN LEU SER ARG LYS ALA GLU THR LYS LEU ALA GLU ALA SEQRES 13 A 162 GLN ILE GLU GLU LEU ARG SEQRES 1 B 162 ALA VAL PRO ILE ALA GLN LYS SER GLU PRO HIS SER LEU SEQRES 2 B 162 SER SER GLU ALA LEU MET ARG ARG ALA VAL SER LEU VAL SEQRES 3 B 162 THR ASP SER THR SER THR ASP LEU SER GLN THR THR TYR SEQRES 4 B 162 ALA LEU ILE GLU ALA ILE THR GLU TYR THR LYS ALA VAL SEQRES 5 B 162 TYR THR LEU THR SER LEU TYR ARG GLN TYR THR SER LEU SEQRES 6 B 162 LEU GLY LYS MET ASN SER GLU GLU GLU ASP GLU VAL TRP SEQRES 7 B 162 GLN VAL ILE ILE GLY ALA ARG ALA GLU MET THR SER LYS SEQRES 8 B 162 HIS GLN GLU TYR LEU LYS LEU GLU THR THR TRP MET THR SEQRES 9 B 162 ALA VAL GLY LEU SER GLU MET ALA ALA GLU ALA ALA TYR SEQRES 10 B 162 GLN THR GLY ALA ASP GLN ALA SER ILE THR ALA ARG ASN SEQRES 11 B 162 HIS ILE GLN LEU VAL LYS LEU GLN VAL GLU GLU VAL HIS SEQRES 12 B 162 GLN LEU SER ARG LYS ALA GLU THR LYS LEU ALA GLU ALA SEQRES 13 B 162 GLN ILE GLU GLU LEU ARG SEQRES 1 C 121 ARG SER GLU SER ASP ALA VAL SER SER ASP ARG ASN PHE SEQRES 2 C 121 PRO ASN SER THR ASN LEU PRO ARG ASN PRO SER MET ALA SEQRES 3 C 121 ASP TYR GLU ALA ARG ILE PHE THR PHE GLY THR TRP ILE SEQRES 4 C 121 TYR SER VAL ASN LYS GLU GLN LEU ALA ARG ALA GLY PHE SEQRES 5 C 121 TYR ALA LEU GLY GLU GLY ASP LYS VAL LYS CYS PHE HIS SEQRES 6 C 121 CYS GLY GLY GLY LEU THR ASP TRP LYS PRO SER GLU ASP SEQRES 7 C 121 PRO TRP GLU GLN HIS ALA LYS TRP TYR PRO GLY CYS LYS SEQRES 8 C 121 TYR LEU LEU GLU GLN LYS GLY GLN GLU TYR ILE ASN ASN SEQRES 9 C 121 ILE HIS LEU THR HIS SER LEU GLU GLU CYS LEU VAL ARG SEQRES 10 C 121 THR THR GLU LYS SEQRES 1 D 121 ARG SER GLU SER ASP ALA VAL SER SER ASP ARG ASN PHE SEQRES 2 D 121 PRO ASN SER THR ASN LEU PRO ARG ASN PRO SER MET ALA SEQRES 3 D 121 ASP TYR GLU ALA ARG ILE PHE THR PHE GLY THR TRP ILE SEQRES 4 D 121 TYR SER VAL ASN LYS GLU GLN LEU ALA ARG ALA GLY PHE SEQRES 5 D 121 TYR ALA LEU GLY GLU GLY ASP LYS VAL LYS CYS PHE HIS SEQRES 6 D 121 CYS GLY GLY GLY LEU THR ASP TRP LYS PRO SER GLU ASP SEQRES 7 D 121 PRO TRP GLU GLN HIS ALA LYS TRP TYR PRO GLY CYS LYS SEQRES 8 D 121 TYR LEU LEU GLU GLN LYS GLY GLN GLU TYR ILE ASN ASN SEQRES 9 D 121 ILE HIS LEU THR HIS SER LEU GLU GLU CYS LEU VAL ARG SEQRES 10 D 121 THR THR GLU LYS HET ZN B 501 1 HET ZN D 502 1 HETNAM ZN ZINC ION FORMUL 5 ZN 2(ZN 2+) HELIX 1 1 LEU A 13 LEU A 65 1 53 HELIX 2 2 SER A 71 THR A 119 1 49 HELIX 3 3 ALA A 121 GLN A 157 1 37 HELIX 4 4 LEU B 13 LEU B 65 1 53 HELIX 5 5 SER B 71 THR B 119 1 49 HELIX 6 6 ALA B 121 ALA B 156 1 36 HELIX 7 7 ASN C 259 ALA C 263 5 5 HELIX 8 8 ASP C 264 THR C 271 1 8 HELIX 9 9 ASN C 280 ALA C 287 1 8 HELIX 10 10 ASP C 315 TYR C 324 1 10 HELIX 11 11 CYS C 327 GLY C 335 1 9 HELIX 12 12 LYS C 334 HIS C 343 1 10 HELIX 13 13 ASN D 259 ALA D 263 5 5 HELIX 14 14 ASP D 264 THR D 271 1 8 HELIX 15 15 ASN D 280 ALA D 287 1 8 HELIX 16 16 ASP D 315 TYR D 324 1 10 HELIX 17 17 CYS D 327 GLY D 335 1 9 HELIX 18 18 LYS D 334 LEU D 344 1 11 HELIX 19 19 THR D 345 ARG D 354 1 10 HELIX 20 20 THR D 355 GLU D 357 5 3 SHEET 1 A 4 VAL A 2 PRO A 3 0 SHEET 2 A 4 GLY D 306 THR D 308 -1 O THR D 308 N VAL A 2 SHEET 3 A 4 VAL D 298 CYS D 300 -1 N VAL D 298 O LEU D 307 SHEET 4 A 4 PHE D 289 ALA D 291 -1 N TYR D 290 O LYS D 299 SHEET 1 B 4 VAL B 2 PRO B 3 0 SHEET 2 B 4 GLY C 306 THR C 308 -1 N THR C 308 O VAL B 2 SHEET 3 B 4 VAL C 298 CYS C 300 -1 O VAL C 298 N LEU C 307 SHEET 4 B 4 PHE C 289 ALA C 291 -1 O TYR C 290 N LYS C 299 LINK ZN ZN B 501 SG CYS C 300 1555 1555 2.60 LINK ZN ZN B 501 SG CYS C 303 1555 1555 2.42 LINK ZN ZN B 501 NE2 HIS C 320 1555 1555 1.99 LINK ZN ZN B 501 SG CYS C 327 1555 1555 2.36 LINK SG CYS D 300 ZN ZN D 502 1555 1555 2.54 LINK SG CYS D 303 ZN ZN D 502 1555 1555 2.27 LINK NE2 HIS D 320 ZN ZN D 502 1555 1555 2.14 LINK SG CYS D 327 ZN ZN D 502 1555 1555 2.34 SITE 1 AC1 4 CYS C 300 CYS C 303 HIS C 320 CYS C 327 SITE 1 AC2 4 CYS D 300 CYS D 303 HIS D 320 CYS D 327 CRYST1 48.100 52.900 67.100 100.00 104.10 94.00 P 1 2 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 0.020790 0.001454 0.005619 0.00000 SCALE2 0.000000 0.018950 0.003809 0.00000 SCALE3 0.000000 0.000000 0.015673 0.00000