HEADER HYDROLASE 10-SEP-97 1AU2 TITLE CRYSTAL STRUCTURE OF THE CYSTEINE PROTEASE HUMAN CATHEPSIN K IN TITLE 2 COMPLEX WITH A COVALENT PROPANONE INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATHEPSIN K; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.38; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: INHIBITOR COVALENTLY BOUND TO ACTIVE SITE CYS 25 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL_LINE: SF9; SOURCE 6 CELL: OSTEOCLAST; SOURCE 7 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 8 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 10 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 11 EXPRESSION_SYSTEM_VECTOR: BACULOVIRUS KEYWDS HYDROLASE, SULFHYDRYL PROTEINASE EXPDTA X-RAY DIFFRACTION AUTHOR B.ZHAO,W.W.SMITH,C.A.JANSON,S.S.ABDEL-MEGUID REVDAT 5 23-OCT-24 1AU2 1 REMARK REVDAT 4 02-AUG-23 1AU2 1 REMARK LINK REVDAT 3 07-MAR-18 1AU2 1 REMARK REVDAT 2 24-FEB-09 1AU2 1 VERSN REVDAT 1 14-OCT-98 1AU2 0 JRNL AUTH D.S.YAMASHITA,W.W.SMITH,B.ZHAO,C.A.JANSON,T.A.TOMASZEK, JRNL AUTH 2 M.J.BOSSARD,M.A.LEVY,H.-J.OH,T.J.CARR,S.K.THOMPSON, JRNL AUTH 3 C.F.IJAMES,S.A.CARR,M.MCQUENEY,K.J.D'ALESSIO,B.Y.AMEGADZIE, JRNL AUTH 4 C.R.HANNING,S.ABDEL-MEGUID,R.L.DESJARLAIS,J.G.GLEASON, JRNL AUTH 5 D.F.VEBER JRNL TITL STRUCTURE AND DESIGN OF POTENT AND SELECTIVE CATHEPSIN K JRNL TITL 2 INHIBITORS JRNL REF J.AM.CHEM.SOC. V. 119 11351 1997 JRNL REFN ISSN 0002-7863 REMARK 2 REMARK 2 RESOLUTION. 2.60 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 79.0 REMARK 3 NUMBER OF REFLECTIONS : 5736 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) : 0.240 REMARK 3 FREE R VALUE : 0.333 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 11.000 REMARK 3 FREE R VALUE TEST SET COUNT : 630 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.013 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.71 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 47.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 371 REMARK 3 BIN R VALUE (WORKING SET) : 0.3580 REMARK 3 BIN FREE R VALUE : 0.4600 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 37 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.076 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1649 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 38 REMARK 3 SOLVENT ATOMS : 62 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.00 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) : 0.36 REMARK 3 ESD FROM SIGMAA (A) : 0.43 REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.55 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.63 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 2.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.780 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AU2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171258. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : OCT-96 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 4.5 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34271 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.09200 REMARK 200 R SYM (I) : 0.09200 REMARK 200 FOR THE DATA SET : 6.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.32000 REMARK 200 R SYM FOR SHELL (I) : 0.42000 REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MR REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: 1ATK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG 8000, 0.12M LI2SO4, 0.06M REMARK 280 SODIUM ACETATE, PH 4.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 65.85000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 29.12000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 29.12000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 98.77500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 29.12000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 29.12000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 32.92500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 29.12000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 29.12000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 98.77500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 29.12000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 29.12000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 32.92500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 65.85000 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: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 TYR A 89 CG TYR A 89 CD2 -0.093 REMARK 500 TYR A 89 CE1 TYR A 89 CZ -0.122 REMARK 500 TYR A 89 CZ TYR A 89 CE2 -0.109 REMARK 500 TYR A 150 CE1 TYR A 150 CZ 0.098 REMARK 500 TYR A 150 CZ TYR A 150 CE2 0.107 REMARK 500 TYR A 151 CZ TYR A 151 CE2 -0.080 REMARK 500 TRP A 178 CZ3 TRP A 178 CH2 0.103 REMARK 500 REMARK 500 REMARK: NULL 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 TYR A 89 CZ - CE2 - CD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 TYR A 151 CD1 - CE1 - CZ ANGL. DEV. = 5.7 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 SER A 4 149.38 -170.50 REMARK 500 GLN A 21 55.05 -104.11 REMARK 500 THR A 42 -39.67 -168.69 REMARK 500 GLN A 76 -72.10 -69.65 REMARK 500 LYS A 77 -14.16 -48.85 REMARK 500 ARG A 79 48.33 83.77 REMARK 500 GLU A 94 -165.25 -163.43 REMARK 500 GLU A 115 95.42 -42.57 REMARK 500 SER A 146 -30.65 -132.76 REMARK 500 ASN A 159 63.24 -115.24 REMARK 500 GLN A 172 -88.20 -130.64 REMARK 500 TRP A 184 30.53 -91.80 REMARK 500 ASN A 199 17.60 83.17 REMARK 500 LYS A 200 63.79 -104.22 REMARK 500 ASN A 202 63.79 66.77 REMARK 500 LEU A 209 52.52 -154.52 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE POS A 300 DBREF 1AU2 A 1 215 UNP P43235 CATK_HUMAN 115 329 SEQRES 1 A 215 ALA PRO ASP SER VAL ASP TYR ARG LYS LYS GLY TYR VAL SEQRES 2 A 215 THR PRO VAL LYS ASN GLN GLY GLN CYS GLY SER CYS TRP SEQRES 3 A 215 ALA PHE SER SER VAL GLY ALA LEU GLU GLY GLN LEU LYS SEQRES 4 A 215 LYS LYS THR GLY LYS LEU LEU ASN LEU SER PRO GLN ASN SEQRES 5 A 215 LEU VAL ASP CYS VAL SER GLU ASN ASP GLY CYS GLY GLY SEQRES 6 A 215 GLY TYR MET THR ASN ALA PHE GLN TYR VAL GLN LYS ASN SEQRES 7 A 215 ARG GLY ILE ASP SER GLU ASP ALA TYR PRO TYR VAL GLY SEQRES 8 A 215 GLN GLU GLU SER CYS MET TYR ASN PRO THR GLY LYS ALA SEQRES 9 A 215 ALA LYS CYS ARG GLY TYR ARG GLU ILE PRO GLU GLY ASN SEQRES 10 A 215 GLU LYS ALA LEU LYS ARG ALA VAL ALA ARG VAL GLY PRO SEQRES 11 A 215 VAL SER VAL ALA ILE ASP ALA SER LEU THR SER PHE GLN SEQRES 12 A 215 PHE TYR SER LYS GLY VAL TYR TYR ASP GLU SER CYS ASN SEQRES 13 A 215 SER ASP ASN LEU ASN HIS ALA VAL LEU ALA VAL GLY TYR SEQRES 14 A 215 GLY ILE GLN LYS GLY ASN LYS HIS TRP ILE ILE LYS ASN SEQRES 15 A 215 SER TRP GLY GLU ASN TRP GLY ASN LYS GLY TYR ILE LEU SEQRES 16 A 215 MET ALA ARG ASN LYS ASN ASN ALA CYS GLY ILE ALA ASN SEQRES 17 A 215 LEU ALA SER PHE PRO LYS MET HET POS A 300 38 HETNAM POS 1-[[(4-PHENOXYPHENYL)SULFONYL]AMINO]-3-[[N/N-(4- HETNAM 2 POS PYRIDINYLCARBONYL)-L-LEUCYL]AMINO]-2-PROPANOL FORMUL 2 POS C27 H32 N4 O6 S FORMUL 3 HOH *62(H2 O) HELIX 1 1 TYR A 7 LYS A 10 1 4 HELIX 2 2 CYS A 25 LYS A 40 1 16 HELIX 3 3 PRO A 50 CYS A 56 1 7 HELIX 4 4 GLY A 62 GLY A 64 5 3 HELIX 5 5 MET A 68 ASN A 78 1 11 HELIX 6 6 PRO A 100 GLY A 102 5 3 HELIX 7 7 GLU A 118 VAL A 128 1 11 HELIX 8 8 THR A 140 GLN A 143 1 4 HELIX 9 9 ALA A 203 GLY A 205 5 3 SHEET 1 A 2 TYR A 110 GLU A 112 0 SHEET 2 A 2 SER A 211 PRO A 213 -1 N PHE A 212 O ARG A 111 SHEET 1 B 2 VAL A 131 ILE A 135 0 SHEET 2 B 2 HIS A 162 ALA A 166 -1 N ALA A 166 O VAL A 131 SHEET 1 C 2 HIS A 177 LYS A 181 0 SHEET 2 C 2 TYR A 193 ALA A 197 -1 N MET A 196 O TRP A 178 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.03 SSBOND 2 CYS A 56 CYS A 96 1555 1555 2.07 SSBOND 3 CYS A 155 CYS A 204 1555 1555 2.09 LINK SG CYS A 25 C19 POS A 300 1555 1555 1.84 SITE 1 AC1 18 ASN A 18 GLN A 19 GLY A 20 GLY A 23 SITE 2 AC1 18 CYS A 25 GLY A 65 GLY A 66 TYR A 67 SITE 3 AC1 18 MET A 68 ARG A 123 ARG A 127 ALA A 134 SITE 4 AC1 18 LEU A 160 ASN A 161 HIS A 162 ALA A 163 SITE 5 AC1 18 TRP A 184 LEU A 209 CRYST1 58.240 58.240 131.700 90.00 90.00 90.00 P 43 21 2 8 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 0.017170 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017170 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007593 0.00000