HEADER HYDROLASE/HYDROLASE INHIBITOR 26-APR-00 1EWO TITLE THE CYSTEINE PROTEASE CRUZAIN BOUND TO WRR-204 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CRUZAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: CRUZIPAIN, CRUZAINE; COMPND 6 EC: 3.4.22.-; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI; SOURCE 3 ORGANISM_TAXID: 5693; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: CHEY KEYWDS CYSTEINE PROTEASE, DRUG DESIGN, COVALENT INHIBITOR, CRUZIPAIN, KEYWDS 2 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.S.BRINEN,S.A.GILLMOR,R.J.FLETTERICK REVDAT 3 13-JUL-11 1EWO 1 VERSN REVDAT 2 24-FEB-09 1EWO 1 VERSN REVDAT 1 10-JUN-03 1EWO 0 JRNL AUTH L.S.BRINEN,S.A.GILLMOR,R.J.FLETTERICK JRNL TITL CRYSTAL STRUCTURE OF CRUZAIN BOUND TO WRR-204 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.A.GILLMOR REMARK 1 TITL CHAPTER 3: X-RAY STRUCTURES OF COMPLEXES OF CRUZAIN WITH REMARK 1 TITL 2 DESIGNED COVALENT INHIBITORS REMARK 1 REF ENZYME-LIGAND INTERACTIONS, 50 1998 REMARK 1 REF 2 INHIBITION AND SPECIFICITY REMARK 1 PUBL UNIVERSITY OF CALIFORNIA, SAN FRANCISCO (THESIS) REMARK 1 REFERENCE 2 REMARK 1 AUTH S.A.GILLMOR,C.S.CRAIK,R.J.FLETTERICK REMARK 1 TITL STRUCTURAL DETERMINANTS OF SPECIFICITY IN THE CYSTEINE REMARK 1 TITL 2 PROTEASE CRUZAIN REMARK 1 REF PROTEIN SCI. V. 6 1603 1997 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.E.MCGRATH,A.E.EAKIN,J.C.ENGEL,J.H.MCKERROW,C.S.CRAIK, REMARK 1 AUTH 2 R.J.FLETTERICK REMARK 1 TITL THE CRYSTAL STRUCTURE OF CRUZAIN: A THERAPEUTIC TARGET FOR REMARK 1 TITL 2 CHAGAS' DISEASE REMARK 1 REF J.MOL.BIOL. V. 247 251 1995 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1994.0137 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER 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)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 10544 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) : 0.221 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1033 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1522 REMARK 3 BIN R VALUE (WORKING SET) : 0.2980 REMARK 3 BIN FREE R VALUE : 0.3550 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 166 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.028 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1593 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 37 REMARK 3 SOLVENT ATOMS : 38 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 7.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.32 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.40 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.04 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 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 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : VSC.TPX REMARK 3 TOPOLOGY FILE 4 : VSC_VER2.TPX REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: PARAMETERS FOR VSC FROM MOLOC REMARK 4 REMARK 4 1EWO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-MAY-00. REMARK 100 THE RCSB ID CODE IS RCSB010969. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-OCT-97 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.0 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 : NULL REMARK 200 OPTICS : NULL 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 : 10544 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.2 REMARK 200 DATA REDUNDANCY : 2.100 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.2000 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 (%) : 90.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.19700 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: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.8M NACITRATE, PH 7.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 292K 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 25.77550 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: 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 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 ASP A 57 94.96 -68.81 REMARK 500 ALA A 89 28.59 -141.44 REMARK 500 SER A 155 79.19 -118.55 REMARK 500 GLU A 156 -54.50 -121.31 REMARK 500 ASP A 158 7.77 -150.55 REMARK 500 THR A 178 162.15 74.63 REMARK 500 CYS A 200 18.66 59.33 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 VSC WAS N-[N'-BENZYLOXYCARBONYL-PHENYLALANINYL]-3-AMINO- REMARK 600 5-PHENYL-PENT-1-ENE-1-SULFONIC ACID PHENYL ESTER BEFORE REMARK 600 REACTION WITH THE PROTEASE. AFTER REACTION, THE SG OF REMARK 600 CYS 25 IS LINKED TO C32 OF THE VSC 280, REMARK 600 N-[N'-BENZYLOXYCARBONYL-PHENYLALANINYL]-3-AMINO-5- REMARK 600 PHENYL-PENTANE-1-SULFONIC ACID PHENYL ESTER. THE REMARK 600 PHENYL RING ATTACHED TO ONE OXYGEN OF THE SULFONIC REMARK 600 ACID PORTION OF THE LIGAND IS MISSING IN THE DENSITY. REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 VSC A 280 REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: N-[N'-BENZYLOXYCARBONYL-PHENYLALANINYL]-3-AMINO-5- REMARK 630 PHENYL-PENTANE-1-SULFONIC ACID PHENYL ESTER REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 VSC A 280 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: PHQ PHE 2PS REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE VSC A 280 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AIM RELATED DB: PDB REMARK 900 SAME PROTEIN, ZYA INHIBITOR REMARK 900 RELATED ID: 2AIM RELATED DB: PDB REMARK 900 SAME PROTEIN, ZRA INHIBITOR REMARK 900 RELATED ID: 1EWL RELATED DB: PDB REMARK 900 SAME PROTEIN, WRR-99 INHIBITOR REMARK 900 RELATED ID: 1EWM RELATED DB: PDB REMARK 900 SAME PROTEIN, WRR-112 INHIBITOR REMARK 900 RELATED ID: 1EWP RELATED DB: PDB REMARK 900 SAME PROTEIN, MOR-LEU-HPQ INHIBITOR REMARK 999 REMARK 999 SEQUENCE REMARK 999 THERE IS A STOP CODON AFTER RESIDUE 212. DBREF 1EWO A 1 212 UNP P25779 CYSP_TRYCR 123 337 SEQRES 1 A 215 ALA PRO ALA ALA VAL ASP TRP ARG ALA ARG GLY ALA VAL SEQRES 2 A 215 THR ALA VAL LYS ASP GLN GLY GLN CYS GLY SER CYS TRP SEQRES 3 A 215 ALA PHE SER ALA ILE GLY ASN VAL GLU CYS GLN TRP PHE SEQRES 4 A 215 LEU ALA GLY HIS PRO LEU THR ASN LEU SER GLU GLN MET SEQRES 5 A 215 LEU VAL SER CYS ASP LYS THR ASP SER GLY CYS SER GLY SEQRES 6 A 215 GLY LEU MET ASN ASN ALA PHE GLU TRP ILE VAL GLN GLU SEQRES 7 A 215 ASN ASN GLY ALA VAL TYR THR GLU ASP SER TYR PRO TYR SEQRES 8 A 215 ALA SER GLY GLU GLY ILE SER PRO PRO CYS THR THR SER SEQRES 9 A 215 GLY HIS THR VAL GLY ALA THR ILE THR GLY HIS VAL GLU SEQRES 10 A 215 LEU PRO GLN ASP GLU ALA GLN ILE ALA ALA TRP LEU ALA SEQRES 11 A 215 VAL ASN GLY PRO VAL ALA VAL ALA VAL ASP ALA SER SER SEQRES 12 A 215 TRP MET THR TYR THR GLY GLY VAL MET THR SER CYS VAL SEQRES 13 A 215 SER GLU GLN LEU ASP HIS GLY VAL LEU LEU VAL GLY TYR SEQRES 14 A 215 ASN ASP SER ALA ALA VAL PRO TYR TRP ILE ILE LYS ASN SEQRES 15 A 215 SER TRP THR THR GLN TRP GLY GLU GLU GLY TYR ILE ARG SEQRES 16 A 215 ILE ALA LYS GLY SER ASN GLN CYS LEU VAL LYS GLU GLU SEQRES 17 A 215 ALA SER SER ALA VAL VAL GLY HET VSC A 280 37 HETNAM VSC N-[N'-BENZYLOXYCARBONYL-PHENYLALANINYL]-3-AMINO-5- HETNAM 2 VSC PHENYL-PENTANE-1-SULFONIC ACID PHENYL ESTER HETSYN VSC WRR-204 FORMUL 2 VSC C34 H36 N2 O6 S FORMUL 3 HOH *38(H2 O) HELIX 1 1 ARG A 8 GLY A 11 5 4 HELIX 2 2 SER A 24 ALA A 41 1 18 HELIX 3 3 SER A 49 ASP A 57 1 9 HELIX 4 4 SER A 61 GLY A 65 5 5 HELIX 5 6 ASP A 116 GLY A 128 1 13 HELIX 6 7 ALA A 136 TYR A 144 5 7 HELIX 7 8 ASN A 198 VAL A 202 5 5 SHEET 1 A 5 GLY A 109 GLU A 112 0 SHEET 2 A 5 ALA A 206 VAL A 210 -1 O SER A 208 N VAL A 111 SHEET 3 A 5 VAL A 130 VAL A 134 -1 N ALA A 131 O SER A 207 SHEET 4 A 5 HIS A 159 ASN A 167 -1 O HIS A 159 N VAL A 134 SHEET 5 A 5 ALA A 4 ASP A 6 -1 N VAL A 5 O TYR A 166 SHEET 1 B 7 GLY A 109 GLU A 112 0 SHEET 2 B 7 ALA A 206 VAL A 210 -1 O SER A 208 N VAL A 111 SHEET 3 B 7 VAL A 130 VAL A 134 -1 N ALA A 131 O SER A 207 SHEET 4 B 7 HIS A 159 ASN A 167 -1 O HIS A 159 N VAL A 134 SHEET 5 B 7 TYR A 170 LYS A 174 -1 O TYR A 170 N ASN A 167 SHEET 6 B 7 TYR A 186 ALA A 190 -1 O ILE A 187 N ILE A 173 SHEET 7 B 7 VAL A 148 MET A 149 1 N MET A 149 O ARG A 188 SHEET 1 C 2 ALA A 79 TYR A 81 0 SHEET 2 C 2 VAL A 102 THR A 106 -1 N GLY A 103 O VAL A 80 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.03 SSBOND 2 CYS A 56 CYS A 95 1555 1555 2.03 SSBOND 3 CYS A 153 CYS A 200 1555 1555 2.03 LINK SG CYS A 25 C32 VSC A 280 1555 1555 1.82 SITE 1 AC1 12 GLN A 19 GLY A 23 CYS A 25 TRP A 26 SITE 2 AC1 12 SER A 61 CYS A 63 GLY A 65 GLY A 66 SITE 3 AC1 12 ALA A 133 ASP A 158 HIS A 159 TRP A 177 CRYST1 45.206 51.551 45.511 90.00 116.13 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 0.022121 0.000000 0.010851 0.00000 SCALE2 0.000000 0.019398 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024474 0.00000