HEADER HYDROLASE 16-AUG-98 1BQI TITLE USE OF PAPAIN AS A MODEL FOR THE STRUCTURE-BASED DESIGN OF CATHEPSIN K TITLE 2 INHIBITORS. CRYSTAL STRUCTURES OF TWO PAPAIN INHIBITOR COMPLEXES TITLE 3 DEMONSTRATE BINDING TO S'-SUBSITES. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PAPAIN; COMPND 3 CHAIN: A; COMPND 4 OTHER_DETAILS: METHOXYMETHYLKETONE BOUND NON-COVALENTLY IN S'-SUBSITE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CARICA PAPAYA; SOURCE 3 ORGANISM_COMMON: PAPAYA; SOURCE 4 ORGANISM_TAXID: 3649 KEYWDS HYDROLASE, SULFHYDRYL PROTEINASE, PAPAIN EXPDTA X-RAY DIFFRACTION AUTHOR J.M.LALONDE,B.ZHAO,W.W.SMITH,C.A.JANSON,R.L.DESJARLAIS,T.A.TOMASZEK, AUTHOR 2 T.J.CARR,S.K.THOMPSON,D.S.YAMASHITA,D.F.VEBER,S.S.ABDEL-MEQUID REVDAT 5 09-AUG-23 1BQI 1 REMARK SEQADV REVDAT 4 07-MAR-18 1BQI 1 REMARK REVDAT 3 24-FEB-09 1BQI 1 VERSN REVDAT 2 01-APR-03 1BQI 1 JRNL REVDAT 1 16-AUG-99 1BQI 0 JRNL AUTH J.M.LALONDE,B.ZHAO,W.W.SMITH,C.A.JANSON,R.L.DESJARLAIS, JRNL AUTH 2 T.A.TOMASZEK,T.J.CARR,S.K.THOMPSON,H.J.OH,D.S.YAMASHITA, JRNL AUTH 3 D.F.VEBER,S.S.ABDEL-MEGUID JRNL TITL USE OF PAPAIN AS A MODEL FOR THE STRUCTURE-BASED DESIGN OF JRNL TITL 2 CATHEPSIN K INHIBITORS: CRYSTAL STRUCTURES OF TWO JRNL TITL 3 PAPAIN-INHIBITOR COMPLEXES DEMONSTRATE BINDING TO JRNL TITL 4 S'-SUBSITES. JRNL REF J.MED.CHEM. V. 41 4567 1998 JRNL REFN ISSN 0022-2623 JRNL PMID 9804696 JRNL DOI 10.1021/JM980249F REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 80.0 REMARK 3 NUMBER OF REFLECTIONS : 11372 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) : 0.217 REMARK 3 FREE R VALUE : 0.306 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1174 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.61 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 53.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 649 REMARK 3 BIN R VALUE (WORKING SET) : 0.2830 REMARK 3 BIN FREE R VALUE : 0.3100 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 47 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1655 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 29 REMARK 3 SOLVENT ATOMS : 42 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.595 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.85 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.441 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP 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 : NULL REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : TOPHCSDX.PR REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DISORDERED SIDE-CHAINS HAVE THEIR REMARK 3 OCCUPANCIES SET TO ZERO IN THE ENTRY, RESIDUES 59, 73, 77, 98, REMARK 3 145 REMARK 4 REMARK 4 1BQI 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_1000172002. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUN-95 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 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 : MONOCHROMATOR REMARK 200 OPTICS : NULL 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 : 11412 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.13700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.54 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.64 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : 0.37000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1PIP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 50.50000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.49500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 50.50000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.49500 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG A 59 CG CD NE CZ NH1 NH2 REMARK 480 GLN A 73 CD OE1 NE2 REMARK 480 GLN A 77 CG CD OE1 NE2 REMARK 480 ARG A 98 CD NE CZ NH1 NH2 REMARK 480 ARG A 145 CD NE CZ NH1 NH2 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 ARG A 59 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 93 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG A 98 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG A 145 NE - CZ - NH2 ANGL. DEV. = 3.7 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 PRO A 15 157.38 -47.43 REMARK 500 ASN A 64 57.41 -115.23 REMARK 500 VAL A 75 6.36 -66.25 REMARK 500 GLN A 77 -77.07 -71.46 REMARK 500 TYR A 78 -84.12 -75.83 REMARK 500 PRO A 87 159.83 -47.77 REMARK 500 CYS A 95 78.28 -64.26 REMARK 500 ARG A 96 35.47 -75.85 REMARK 500 SER A 97 -81.35 -62.21 REMARK 500 GLU A 99 0.24 -62.44 REMARK 500 TYR A 144 162.01 -48.74 REMARK 500 ARG A 145 25.58 -169.76 REMARK 500 ASP A 158 -69.30 -134.08 REMARK 500 SER A 176 57.76 -105.02 REMARK 500 CYS A 200 -0.87 59.06 REMARK 500 LEU A 202 -11.41 -40.19 REMARK 500 SER A 205 117.48 -162.84 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 59 0.27 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SBA A 300 DBREF 1BQI A 1 212 UNP P00784 PAPA1_CARPA 134 345 SEQADV 1BQI GLN A 47 UNP P00784 GLU 180 CONFLICT SEQADV 1BQI GLN A 118 UNP P00784 GLU 251 CONFLICT SEQADV 1BQI GLN A 135 UNP P00784 GLU 268 CONFLICT SEQRES 1 A 212 ILE PRO GLU TYR VAL ASP TRP ARG GLN LYS GLY ALA VAL SEQRES 2 A 212 THR PRO VAL LYS ASN GLN GLY SER CYS GLY SER CYS TRP SEQRES 3 A 212 ALA PHE SER ALA VAL VAL THR ILE GLU GLY ILE ILE LYS SEQRES 4 A 212 ILE ARG THR GLY ASN LEU ASN GLN TYR SER GLU GLN GLU SEQRES 5 A 212 LEU LEU ASP CYS ASP ARG ARG SER TYR GLY CYS ASN GLY SEQRES 6 A 212 GLY TYR PRO TRP SER ALA LEU GLN LEU VAL ALA GLN TYR SEQRES 7 A 212 GLY ILE HIS TYR ARG ASN THR TYR PRO TYR GLU GLY VAL SEQRES 8 A 212 GLN ARG TYR CYS ARG SER ARG GLU LYS GLY PRO TYR ALA SEQRES 9 A 212 ALA LYS THR ASP GLY VAL ARG GLN VAL GLN PRO TYR ASN SEQRES 10 A 212 GLN GLY ALA LEU LEU TYR SER ILE ALA ASN GLN PRO VAL SEQRES 11 A 212 SER VAL VAL LEU GLN ALA ALA GLY LYS ASP PHE GLN LEU SEQRES 12 A 212 TYR ARG GLY GLY ILE PHE VAL GLY PRO CYS GLY ASN LYS SEQRES 13 A 212 VAL ASP HIS ALA VAL ALA ALA VAL GLY TYR GLY PRO ASN SEQRES 14 A 212 TYR ILE LEU ILE LYS ASN SER TRP GLY THR GLY TRP GLY SEQRES 15 A 212 GLU ASN GLY TYR ILE ARG ILE LYS ARG GLY THR GLY ASN SEQRES 16 A 212 SER TYR GLY VAL CYS GLY LEU TYR THR SER SER PHE TYR SEQRES 17 A 212 PRO VAL LYS ASN HET SBA A 300 29 HETNAM SBA CARBOBENZYLOXY-(L)-LEUCINYL-(L)LEUCINYL HETNAM 2 SBA METHOXYMETHYLKETONE FORMUL 2 SBA C22 H36 N2 O5 FORMUL 3 HOH *42(H2 O) HELIX 1 1 TRP A 7 LYS A 10 5 4 HELIX 2 2 CYS A 25 ARG A 41 1 17 HELIX 3 3 GLU A 50 CYS A 56 1 7 HELIX 4 4 PRO A 68 GLN A 77 1 10 HELIX 5 5 ARG A 98 LYS A 100 5 3 HELIX 6 6 ALA A 120 ILE A 125 1 6 HELIX 7 7 LYS A 139 LEU A 143 1 5 HELIX 8 8 VAL A 199 GLY A 201 5 3 SHEET 1 A 2 GLY A 109 VAL A 113 0 SHEET 2 A 2 SER A 206 VAL A 210 -1 N VAL A 210 O GLY A 109 SHEET 1 B 4 VAL A 130 VAL A 133 0 SHEET 2 B 4 ALA A 160 GLY A 167 -1 N ALA A 163 O VAL A 130 SHEET 3 B 4 TYR A 170 LYS A 174 -1 N LYS A 174 O ALA A 162 SHEET 4 B 4 TYR A 186 LYS A 190 -1 N ILE A 189 O ILE A 171 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.04 SSBOND 2 CYS A 56 CYS A 95 1555 1555 2.05 SSBOND 3 CYS A 153 CYS A 200 1555 1555 2.03 CISPEP 1 GLY A 151 PRO A 152 0 -0.48 SITE 1 CAT 3 CYS A 25 HIS A 159 ASN A 175 SITE 1 AC1 5 GLN A 142 TRP A 177 GLY A 180 TRP A 181 SITE 2 AC1 5 HOH A 511 CRYST1 101.000 50.990 62.480 90.00 99.60 90.00 C 1 2 1 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 0.009901 0.000000 0.001675 0.00000 SCALE2 0.000000 0.019612 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016232 0.00000