HEADER HYDROLASE/HYDROLASE INHIBITOR 26-FEB-11 3QW6 TITLE CRYSTAL STRUCTURE OF THE PROTEASE DOMAIN OF BOTULINUM NEUROTOXIN TITLE 2 SEROTYPE A WITH A PEPTIDE INHIBITOR RYGC COMPND MOL_ID: 1; COMPND 2 MOLECULE: BOTULINUM NEUROTOXIN TYPE A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGHT CHAIN (UNP RESIDUES 1-424); COMPND 5 SYNONYM: BONT/A, BONTOXILYSIN-A, BOTOX; COMPND 6 EC: 3.4.24.69; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: INHIBITORY PEPTIDE RYGC; COMPND 10 CHAIN: B; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM BOTULINUM; SOURCE 3 ORGANISM_TAXID: 441771; SOURCE 4 STRAIN: HALL / ATCC 3502 / NCTC 13319 / TYPE A; SOURCE 5 GENE: BOTA, CBO0806, CLC_0862; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28B; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES KEYWDS ENDOPEPTIDASE, SYNTAXIN, BIO-WARFARE AGENT, MEMBRANE, METAL-BINDING, KEYWDS 2 METALLOPROTEASE, PROTEASE, SECRETED, TRANSMEMBRANE, SNAP25, KEYWDS 3 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR D.KUMARAN,S.SWAMINATHAN REVDAT 6 16-OCT-24 3QW6 1 REMARK REVDAT 5 13-SEP-23 3QW6 1 REMARK SEQADV LINK REVDAT 4 23-JAN-13 3QW6 1 JRNL REVDAT 3 19-SEP-12 3QW6 1 ATOM DBREF HETATM HETNAM REVDAT 2 25-APR-12 3QW6 1 JRNL REVDAT 1 08-FEB-12 3QW6 0 JRNL AUTH G.KUMAR,D.KUMARAN,S.A.AHMED,S.SWAMINATHAN JRNL TITL PEPTIDE INHIBITORS OF BOTULINUM NEUROTOXIN SEROTYPE A: JRNL TITL 2 DESIGN, INHIBITION, COCRYSTAL STRUCTURES, STRUCTURE-ACTIVITY JRNL TITL 3 RELATIONSHIP AND PHARMACOPHORE MODELING. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 68 511 2012 JRNL REFN ISSN 0907-4449 JRNL PMID 22525749 JRNL DOI 10.1107/S0907444912003551 REMARK 2 REMARK 2 RESOLUTION. 1.60 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 76774.990 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 51504 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) : 0.205 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2606 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 74.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 6682 REMARK 3 BIN R VALUE (WORKING SET) : 0.3470 REMARK 3 BIN FREE R VALUE : 0.3480 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 356 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3449 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 303 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 13.25000 REMARK 3 B22 (A**2) : -6.50000 REMARK 3 B33 (A**2) : -6.76000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.66000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.37 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.22 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 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 ; 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 42.21 REMARK 3 REMARK 3 NCS MODEL : NONE 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 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3QW6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAR-11. REMARK 100 THE DEPOSITION ID IS D_1000064179. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-AUG-09 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 55851 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL 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) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.4 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.43200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 3BWI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG3350, 0.3 M AMMONIUM SULFATE, REMARK 280 PH 6.9, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 33.18800 REMARK 290 SMTRY3 2 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 REMARK 350 TOTAL BURIED SURFACE AREA: 1890 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -93.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 MET A 1 REMARK 465 GLU A 424 REMARK 465 HIS A 425 REMARK 465 HIS A 426 REMARK 465 HIS A 427 REMARK 465 HIS A 428 REMARK 465 HIS A 429 REMARK 465 HIS A 430 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 VAL A 17 -74.81 -118.33 REMARK 500 PRO A 63 -108.32 -106.42 REMARK 500 GLU A 64 31.37 173.88 REMARK 500 ALA A 65 -1.04 -166.38 REMARK 500 ASP A 74 95.28 -165.75 REMARK 500 ASP A 124 -7.77 -58.18 REMARK 500 SER A 157 -146.49 -85.44 REMARK 500 VAL A 172 -52.28 -124.07 REMARK 500 ASP A 326 -147.34 -86.85 REMARK 500 SER A 328 6.71 -68.23 REMARK 500 ASN A 409 47.09 -97.43 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 HIS A 223 NE2 REMARK 620 2 HIS A 227 NE2 92.8 REMARK 620 3 GLU A 262 OE1 99.4 99.4 REMARK 620 4 GLU A 262 OE2 157.5 92.3 58.2 REMARK 620 5 ARG B 196 N 111.1 96.7 144.6 90.0 REMARK 620 6 ARG B 196 O 86.5 172.0 88.6 91.4 76.1 REMARK 620 N 1 2 3 4 5 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 SO4 A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN B OF INHIBITORY PEPTIDE REMARK 800 RYGC REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BWI RELATED DB: PDB REMARK 900 RELATED ID: 3C88 RELATED DB: PDB REMARK 900 RELATED ID: 3C89 RELATED DB: PDB REMARK 900 RELATED ID: 3C8A RELATED DB: PDB REMARK 900 RELATED ID: 3C8B RELATED DB: PDB REMARK 900 RELATED ID: 3DDA RELATED DB: PDB REMARK 900 RELATED ID: 3DDB RELATED DB: PDB REMARK 900 RELATED ID: 3QW5 RELATED DB: PDB REMARK 900 RELATED ID: 3QW7 RELATED DB: PDB REMARK 900 RELATED ID: 3QW8 RELATED DB: PDB DBREF 3QW6 A 1 424 UNP A5HZZ9 BXA1_CLOBH 1 424 DBREF 3QW6 B 196 200 PDB 3QW6 3QW6 196 200 SEQADV 3QW6 HIS A 425 UNP A5HZZ9 EXPRESSION TAG SEQADV 3QW6 HIS A 426 UNP A5HZZ9 EXPRESSION TAG SEQADV 3QW6 HIS A 427 UNP A5HZZ9 EXPRESSION TAG SEQADV 3QW6 HIS A 428 UNP A5HZZ9 EXPRESSION TAG SEQADV 3QW6 HIS A 429 UNP A5HZZ9 EXPRESSION TAG SEQADV 3QW6 HIS A 430 UNP A5HZZ9 EXPRESSION TAG SEQRES 1 A 430 MET PRO PHE VAL ASN LYS GLN PHE ASN TYR LYS ASP PRO SEQRES 2 A 430 VAL ASN GLY VAL ASP ILE ALA TYR ILE LYS ILE PRO ASN SEQRES 3 A 430 ALA GLY GLN MET GLN PRO VAL LYS ALA PHE LYS ILE HIS SEQRES 4 A 430 ASN LYS ILE TRP VAL ILE PRO GLU ARG ASP THR PHE THR SEQRES 5 A 430 ASN PRO GLU GLU GLY ASP LEU ASN PRO PRO PRO GLU ALA SEQRES 6 A 430 LYS GLN VAL PRO VAL SER TYR TYR ASP SER THR TYR LEU SEQRES 7 A 430 SER THR ASP ASN GLU LYS ASP ASN TYR LEU LYS GLY VAL SEQRES 8 A 430 THR LYS LEU PHE GLU ARG ILE TYR SER THR ASP LEU GLY SEQRES 9 A 430 ARG MET LEU LEU THR SER ILE VAL ARG GLY ILE PRO PHE SEQRES 10 A 430 TRP GLY GLY SER THR ILE ASP THR GLU LEU LYS VAL ILE SEQRES 11 A 430 ASP THR ASN CYS ILE ASN VAL ILE GLN PRO ASP GLY SER SEQRES 12 A 430 TYR ARG SER GLU GLU LEU ASN LEU VAL ILE ILE GLY PRO SEQRES 13 A 430 SER ALA ASP ILE ILE GLN PHE GLU CYS LYS SER PHE GLY SEQRES 14 A 430 HIS GLU VAL LEU ASN LEU THR ARG ASN GLY TYR GLY SER SEQRES 15 A 430 THR GLN TYR ILE ARG PHE SER PRO ASP PHE THR PHE GLY SEQRES 16 A 430 PHE GLU GLU SER LEU GLU VAL ASP THR ASN PRO LEU LEU SEQRES 17 A 430 GLY ALA GLY LYS PHE ALA THR ASP PRO ALA VAL THR LEU SEQRES 18 A 430 ALA HIS GLU LEU ILE HIS ALA GLY HIS ARG LEU TYR GLY SEQRES 19 A 430 ILE ALA ILE ASN PRO ASN ARG VAL PHE LYS VAL ASN THR SEQRES 20 A 430 ASN ALA TYR TYR GLU MET SER GLY LEU GLU VAL SER PHE SEQRES 21 A 430 GLU GLU LEU ARG THR PHE GLY GLY HIS ASP ALA LYS PHE SEQRES 22 A 430 ILE ASP SER LEU GLN GLU ASN GLU PHE ARG LEU TYR TYR SEQRES 23 A 430 TYR ASN LYS PHE LYS ASP ILE ALA SER THR LEU ASN LYS SEQRES 24 A 430 ALA LYS SER ILE VAL GLY THR THR ALA SER LEU GLN TYR SEQRES 25 A 430 MET LYS ASN VAL PHE LYS GLU LYS TYR LEU LEU SER GLU SEQRES 26 A 430 ASP THR SER GLY LYS PHE SER VAL ASP LYS LEU LYS PHE SEQRES 27 A 430 ASP LYS LEU TYR LYS MET LEU THR GLU ILE TYR THR GLU SEQRES 28 A 430 ASP ASN PHE VAL LYS PHE PHE LYS VAL LEU ASN ARG LYS SEQRES 29 A 430 THR TYR LEU ASN PHE ASP LYS ALA VAL PHE LYS ILE ASN SEQRES 30 A 430 ILE VAL PRO LYS VAL ASN TYR THR ILE TYR ASP GLY PHE SEQRES 31 A 430 ASN LEU ARG ASN THR ASN LEU ALA ALA ASN PHE ASN GLY SEQRES 32 A 430 GLN ASN THR GLU ILE ASN ASN MET ASN PHE THR LYS LEU SEQRES 33 A 430 LYS ASN PHE THR GLY LEU PHE GLU HIS HIS HIS HIS HIS SEQRES 34 A 430 HIS SEQRES 1 B 5 ARG TYR GLY CYS NH2 HET NH2 B 200 1 HET ZN A 501 1 HET SO4 A 502 5 HET SO4 A 503 5 HET SO4 A 504 5 HET NA B 301 1 HETNAM NH2 AMINO GROUP HETNAM ZN ZINC ION HETNAM SO4 SULFATE ION HETNAM NA SODIUM ION FORMUL 2 NH2 H2 N FORMUL 3 ZN ZN 2+ FORMUL 4 SO4 3(O4 S 2-) FORMUL 7 NA NA 1+ FORMUL 8 HOH *303(H2 O) HELIX 1 1 THR A 80 SER A 100 1 21 HELIX 2 2 THR A 101 GLY A 114 1 14 HELIX 3 3 ILE A 130 THR A 132 5 3 HELIX 4 4 SER A 199 THR A 204 1 6 HELIX 5 5 ASP A 216 TYR A 233 1 18 HELIX 6 6 ASN A 248 MET A 253 1 6 HELIX 7 7 PHE A 260 GLY A 267 1 8 HELIX 8 8 GLY A 268 ILE A 274 5 7 HELIX 9 9 ASP A 275 ALA A 300 1 26 HELIX 10 10 SER A 309 TYR A 321 1 13 HELIX 11 11 ASP A 334 GLU A 347 1 14 HELIX 12 12 THR A 350 LYS A 359 1 10 HELIX 13 13 ASN A 409 PHE A 413 5 5 SHEET 1 A 8 TYR A 144 GLU A 148 0 SHEET 2 A 8 CYS A 134 ILE A 138 -1 N VAL A 137 O ARG A 145 SHEET 3 A 8 ILE A 19 LYS A 23 -1 N LYS A 23 O ASN A 136 SHEET 4 A 8 VAL A 33 HIS A 39 -1 O ALA A 35 N ALA A 20 SHEET 5 A 8 ILE A 42 ARG A 48 -1 O ILE A 42 N HIS A 39 SHEET 6 A 8 LEU A 151 GLY A 155 1 O ILE A 153 N ILE A 45 SHEET 7 A 8 GLN A 184 ARG A 187 1 O ILE A 186 N VAL A 152 SHEET 8 A 8 GLU A 164 LYS A 166 -1 N LYS A 166 O TYR A 185 SHEET 1 B 2 GLU A 126 LEU A 127 0 SHEET 2 B 2 SER A 302 ILE A 303 1 O SER A 302 N LEU A 127 SHEET 1 C 4 PHE A 213 ALA A 214 0 SHEET 2 C 4 PHE A 192 PHE A 196 -1 N PHE A 196 O PHE A 213 SHEET 3 C 4 ALA A 372 LYS A 375 -1 O PHE A 374 N THR A 193 SHEET 4 C 4 THR A 414 ASN A 418 -1 O LEU A 416 N VAL A 373 SHEET 1 D 2 VAL A 242 LYS A 244 0 SHEET 2 D 2 GLU A 257 SER A 259 -1 O VAL A 258 N PHE A 243 SHEET 1 E 2 SER A 324 GLU A 325 0 SHEET 2 E 2 PHE A 331 SER A 332 -1 O SER A 332 N SER A 324 LINK C CYS B 199 N NH2 B 200 1555 1555 1.34 LINK NE2 HIS A 223 ZN ZN A 501 1555 1555 2.10 LINK NE2 HIS A 227 ZN ZN A 501 1555 1555 2.15 LINK OE1 GLU A 262 ZN ZN A 501 1555 1555 2.09 LINK OE2 GLU A 262 ZN ZN A 501 1555 1555 2.39 LINK ZN ZN A 501 N ARG B 196 1555 1555 2.16 LINK ZN ZN A 501 O ARG B 196 1555 1555 2.41 LINK O HOH A 791 NA NA B 301 1555 1555 3.13 SITE 1 AC1 4 HIS A 223 HIS A 227 GLU A 262 ARG B 196 SITE 1 AC2 1 LYS A 340 SITE 1 AC3 8 GLY A 169 ASN A 174 LEU A 175 THR A 176 SITE 2 AC3 8 ASN A 394 HOH A 644 HOH A 714 HOH A 802 SITE 1 AC4 6 ARG A 231 HOH A 676 HOH A 759 HOH A 802 SITE 2 AC4 6 HOH A 848 ARG B 196 SITE 1 AC5 1 CYS B 199 SITE 1 AC6 22 GLN A 162 PHE A 163 GLU A 164 PHE A 194 SITE 2 AC6 22 THR A 215 HIS A 223 GLU A 224 HIS A 227 SITE 3 AC6 22 GLU A 262 ARG A 363 TYR A 366 ASN A 368 SITE 4 AC6 22 PHE A 369 ASP A 370 PHE A 423 ZN A 501 SITE 5 AC6 22 SO4 A 504 HOH A 713 NA B 301 HOH B 401 SITE 6 AC6 22 HOH B 402 HOH B 403 CRYST1 51.066 66.376 64.805 90.00 98.38 90.00 P 1 21 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 0.019583 0.000000 0.002885 0.00000 SCALE2 0.000000 0.015066 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015597 0.00000