HEADER HYDROLASE/HYDROLASE INHIBITOR 11-JAN-12 4D8N TITLE HUMAN KALLIKREIN 6 INHIBITORS WITH A PARA-AMIDOBENZYLANMINE P1 GROUP TITLE 2 CARRY A HIGH BINDING EFFICIENCY COMPND MOL_ID: 1; COMPND 2 MOLECULE: KALLIKREIN-6; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NEUROSIN, PROTEASE M, SP59, SERINE PROTEASE 18, SERINE COMPND 5 PROTEASE 9, ZYME; COMPND 6 EC: 3.4.21.-; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KLK6, PRSS18, PRSS9; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PBAC-3 KEYWDS HUMAN KALLIKREIN 6, HK6, SERINE PROTEASE, PROTEIN-LIGAND COMPLEX, KEYWDS 2 AMIDINOTHIOPHENE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR X.CHEN,T.XIA,R.WANG REVDAT 4 13-SEP-23 4D8N 1 REMARK SEQADV REVDAT 3 15-NOV-17 4D8N 1 REMARK REVDAT 2 04-APR-12 4D8N 1 JRNL REVDAT 1 21-MAR-12 4D8N 0 JRNL AUTH G.LIANG,X.CHEN,S.ALDOUS,S.F.PU,S.MEHDI,E.POWERS,T.XIA,R.WANG JRNL TITL HUMAN KALLIKREIN 6 INHIBITORS WITH A PARA-AMIDOBENZYLANMINE JRNL TITL 2 P1 GROUP IDENTIFIED THROUGH VIRTUAL SCREENING. JRNL REF BIOORG.MED.CHEM.LETT. V. 22 2450 2012 JRNL REFN ISSN 0960-894X JRNL PMID 22386244 JRNL DOI 10.1016/J.BMCL.2012.02.014 REMARK 2 REMARK 2 RESOLUTION. 1.68 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 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.68 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.51 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 864427.610 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.0 REMARK 3 NUMBER OF REFLECTIONS : 23703 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 + TEST SET) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1152 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.2170 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.2170 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1207 REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : 0.0060 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 24845 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) : 1.68 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.79 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 71.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2845 REMARK 3 BIN R VALUE (WORKING SET) : 0.3980 REMARK 3 BIN FREE R VALUE : 0.4360 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 146 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.036 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1699 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 201 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.20000 REMARK 3 B22 (A**2) : -0.75000 REMARK 3 B33 (A**2) : -4.44000 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.18 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) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.000 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.640 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) : 1.210 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.820 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.230 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.370 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 47.02 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 : PROTEIN_REP.PARA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 5 : INH.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4D8N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JAN-12. REMARK 100 THE DEPOSITION ID IS D_1000070020. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-APR-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 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 : RIGAKU RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : XENOCS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24904 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.680 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 8.100 REMARK 200 R MERGE (I) : 0.08300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.68 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.71400 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1LO6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05 M TRIS-HCL PH8.5, 8% PEG4000 AND REMARK 280 10 MM BENZAMIDINE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 21.59250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.53850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.97500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.53850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.59250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.97500 REMARK 290 SMTRY3 4 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 LYS A 245 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 A 16 CA - CB - CG ANGL. DEV. = 17.0 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 HIS A 71 -51.04 -124.64 REMARK 500 SER A 214 -61.97 -125.14 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 0HM A 301 DBREF 4D8N A 16 245 UNP Q92876 KLK6_HUMAN 22 244 SEQADV 4D8N GLY A 74 UNP Q92876 ARG 78 ENGINEERED MUTATION SEQADV 4D8N GLN A 76 UNP Q92876 ARG 80 ENGINEERED MUTATION SEQADV 4D8N GLN A 132 UNP Q92876 ASN 134 ENGINEERED MUTATION SEQRES 1 A 223 LEU VAL HIS GLY GLY PRO CYS ASP LYS THR SER HIS PRO SEQRES 2 A 223 TYR GLN ALA ALA LEU TYR THR SER GLY HIS LEU LEU CYS SEQRES 3 A 223 GLY GLY VAL LEU ILE HIS PRO LEU TRP VAL LEU THR ALA SEQRES 4 A 223 ALA HIS CYS LYS LYS PRO ASN LEU GLN VAL PHE LEU GLY SEQRES 5 A 223 LYS HIS ASN LEU GLY GLN GLN GLU SER SER GLN GLU GLN SEQRES 6 A 223 SER SER VAL VAL ARG ALA VAL ILE HIS PRO ASP TYR ASP SEQRES 7 A 223 ALA ALA SER HIS ASP GLN ASP ILE MET LEU LEU ARG LEU SEQRES 8 A 223 ALA ARG PRO ALA LYS LEU SER GLU LEU ILE GLN PRO LEU SEQRES 9 A 223 PRO LEU GLU ARG ASP CYS SER ALA GLN THR THR SER CYS SEQRES 10 A 223 HIS ILE LEU GLY TRP GLY LYS THR ALA ASP GLY ASP PHE SEQRES 11 A 223 PRO ASP THR ILE GLN CYS ALA TYR ILE HIS LEU VAL SER SEQRES 12 A 223 ARG GLU GLU CYS GLU HIS ALA TYR PRO GLY GLN ILE THR SEQRES 13 A 223 GLN ASN MET LEU CYS ALA GLY ASP GLU LYS TYR GLY LYS SEQRES 14 A 223 ASP SER CYS GLN GLY ASP SER GLY GLY PRO LEU VAL CYS SEQRES 15 A 223 GLY ASP HIS LEU ARG GLY LEU VAL SER TRP GLY ASN ILE SEQRES 16 A 223 PRO CYS GLY SER LYS GLU LYS PRO GLY VAL TYR THR ASN SEQRES 17 A 223 VAL CYS ARG TYR THR ASN TRP ILE GLN LYS THR ILE GLN SEQRES 18 A 223 ALA LYS HET 0HM A 301 31 HETNAM 0HM 2-{[4-(AMINOMETHYL)PHENYL]CARBAMOYL}-1-[(1-BENZYL-1H- HETNAM 2 0HM IMIDAZOL-2-YL)METHYL]-3-HYDROXYPYRIDINIUM FORMUL 2 0HM C24 H24 N5 O2 1+ FORMUL 3 HOH *201(H2 O) HELIX 1 1 ALA A 55 LYS A 59 5 5 HELIX 2 2 SER A 164 TYR A 172 1 9 HELIX 3 3 TYR A 234 ALA A 244 1 11 SHEET 1 A 8 GLY A 20 PRO A 21 0 SHEET 2 A 8 GLN A 156 LEU A 162 -1 O CYS A 157 N GLY A 20 SHEET 3 A 8 MET A 180 GLY A 184 -1 O GLY A 184 N HIS A 161 SHEET 4 A 8 GLY A 226 ASN A 230 -1 O TYR A 228 N LEU A 181 SHEET 5 A 8 HIS A 208 TRP A 215 -1 N TRP A 215 O VAL A 227 SHEET 6 A 8 PRO A 198 CYS A 201 -1 N LEU A 199 O ARG A 210 SHEET 7 A 8 SER A 135 GLY A 140 -1 N HIS A 137 O VAL A 200 SHEET 8 A 8 GLN A 156 LEU A 162 -1 O ILE A 160 N CYS A 136 SHEET 1 B 7 GLU A 81 SER A 83 0 SHEET 2 B 7 GLN A 64 LEU A 67 -1 N VAL A 65 O SER A 83 SHEET 3 B 7 GLN A 30 THR A 35 -1 N TYR A 34 O GLN A 64 SHEET 4 B 7 HIS A 39 HIS A 48 -1 O LEU A 41 N LEU A 33 SHEET 5 B 7 TRP A 51 THR A 54 -1 O LEU A 53 N VAL A 45 SHEET 6 B 7 MET A 104 LEU A 108 -1 O LEU A 106 N VAL A 52 SHEET 7 B 7 VAL A 85 ILE A 90 -1 N VAL A 89 O LEU A 105 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.66 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.49 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.91 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.47 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.61 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.82 CISPEP 1 ILE A 218 PRO A 219 0 1.87 SITE 1 AC1 16 LEU A 41 CYS A 42 HIS A 57 ASP A 189 SITE 2 AC1 16 SER A 190 CYS A 191 GLN A 192 GLY A 193 SITE 3 AC1 16 ASP A 194 SER A 195 VAL A 213 SER A 214 SITE 4 AC1 16 TRP A 215 GLY A 216 ASN A 217 CYS A 220 CRYST1 43.185 45.950 109.077 90.00 90.00 90.00 P 21 21 21 4 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 0.023156 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021763 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009168 0.00000