HEADER HYDROLASE 20-OCT-05 2BDL TITLE CATHEPSIN K COMPLEXED WITH A PYRROLIDINE KETOAMIDE-BASED INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATHEPSIN K; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: MATURE FORM OF CATHEPSIN K (RESIDUES 115-329); COMPND 5 SYNONYM: CATHEPSIN O, CATHEPSIN X, CATHEPSIN O2; COMPND 6 EC: 3.4.22.38; COMPND 7 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: CTSK, CTSO, CTSO2; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PFASTBAC KEYWDS CATHEPSIN, CYSTEINE PROTEASE, CATK, CATO, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR L.M.SHEWCHUK REVDAT 4 23-AUG-23 2BDL 1 REMARK REVDAT 3 24-JUL-19 2BDL 1 REMARK LINK REVDAT 2 24-FEB-09 2BDL 1 VERSN REVDAT 1 21-MAR-06 2BDL 0 JRNL AUTH D.G.BARRETT,J.G.CATALANO,D.N.DEATON,A.M.HASSELL,S.T.LONG, JRNL AUTH 2 A.B.MILLER,L.R.MILLER,J.A.RAY,V.SAMANO,L.M.SHEWCHUK, JRNL AUTH 3 K.J.WELLS-KNECHT,D.H.WILLARD JR.,L.L.WRIGHT JRNL TITL NOVEL, POTENT P2-P3 PYRROLIDINE DERIVATIVES OF JRNL TITL 2 KETOAMIDE-BASED CATHEPSIN K INHIBITORS. JRNL REF BIOORG.MED.CHEM.LETT. V. 16 1735 2006 JRNL REFN ISSN 0960-894X JRNL PMID 16376075 JRNL DOI 10.1016/J.BMCL.2005.11.101 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 52.93 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 84.5 REMARK 3 NUMBER OF REFLECTIONS : 11497 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) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.241 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 624 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) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 75.05 REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 REMARK 3 BIN FREE R VALUE SET COUNT : 41 REMARK 3 BIN FREE R VALUE : 0.3270 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1641 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 39 REMARK 3 SOLVENT ATOMS : 180 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.31 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.73000 REMARK 3 B22 (A**2) : 0.69000 REMARK 3 B33 (A**2) : 0.03000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; 0.007 ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; 0.984 ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; 4.613 ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2BDL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-NOV-05. REMARK 100 THE DEPOSITION ID IS D_1000034970. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-OCT-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11497 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 52.930 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.0 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.5000 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) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 75.1 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.25700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1ATK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 30% PEG8000, REMARK 280 PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 19.03000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.94550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.16900 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.94550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.03000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.16900 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 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 153 CG CD OE1 OE2 REMARK 470 LYS A 173 CG CD CE NZ 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 TYR A 87 67.65 -151.53 REMARK 500 ASN A 159 74.27 -102.79 REMARK 500 ASN A 159 73.28 -102.02 REMARK 500 LYS A 200 64.18 -116.31 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 4PR A 301 DBREF 2BDL 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 4PR A 301 39 HETNAM 4PR (3S)-1-{[(3,5-DIMETHYLISOXAZOL-4-YL)AMINO]CARBONYL}-4, HETNAM 2 4PR 4-DIMETHYLPYRROLIDIN-3-YL{(1S)-1-[1-HYDROXY-2-OXO-2- HETNAM 3 4PR {[(1R)-1-PHENYLETHYL]AMINO}ETHYL]PENTYL}CARBAMATE FORMUL 2 4PR C28 H41 N5 O6 FORMUL 3 HOH *180(H2 O) HELIX 1 1 SER A 24 GLY A 43 1 20 HELIX 2 2 SER A 49 VAL A 57 1 9 HELIX 3 3 ASP A 61 GLY A 65 5 5 HELIX 4 4 TYR A 67 ARG A 79 1 13 HELIX 5 5 ASN A 99 THR A 101 5 3 HELIX 6 6 ASN A 117 GLY A 129 1 13 HELIX 7 7 LEU A 139 PHE A 144 1 6 HELIX 8 8 ASN A 202 ILE A 206 5 5 SHEET 1 A 3 VAL A 5 ASP A 6 0 SHEET 2 A 3 HIS A 162 GLN A 172 -1 O TYR A 169 N VAL A 5 SHEET 3 A 3 VAL A 131 ILE A 135 -1 N VAL A 131 O ALA A 166 SHEET 1 B 5 VAL A 5 ASP A 6 0 SHEET 2 B 5 HIS A 162 GLN A 172 -1 O TYR A 169 N VAL A 5 SHEET 3 B 5 ASN A 175 LYS A 181 -1 O LYS A 181 N LEU A 165 SHEET 4 B 5 TYR A 193 ALA A 197 -1 O ILE A 194 N ILE A 180 SHEET 5 B 5 VAL A 149 TYR A 150 1 N TYR A 150 O LEU A 195 SHEET 1 C 2 ILE A 81 ASP A 82 0 SHEET 2 C 2 LYS A 103 ALA A 105 -1 O ALA A 104 N ILE A 81 SHEET 1 D 2 TYR A 110 GLU A 112 0 SHEET 2 D 2 SER A 211 PRO A 213 -1 O PHE A 212 N ARG A 111 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.03 SSBOND 2 CYS A 56 CYS A 96 1555 1555 2.04 SSBOND 3 CYS A 155 CYS A 204 1555 1555 2.03 LINK SG CYS A 25 C19 4PR A 301 1555 1555 1.65 SITE 1 AC1 16 GLN A 19 CYS A 22 GLY A 23 SER A 24 SITE 2 AC1 16 CYS A 25 TRP A 26 GLY A 65 GLY A 66 SITE 3 AC1 16 LEU A 160 ASN A 161 HIS A 162 GLY A 174 SITE 4 AC1 16 TRP A 184 HOH A 478 HOH A 480 HOH A 481 CRYST1 38.060 50.338 105.891 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 0.026274 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019866 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009444 0.00000