PDB Short entry for 1K2I HEADER HYDROLASE 27-SEP-01 1K2I TITLE CRYSTAL STRUCTURE OF GAMMA-CHYMOTRYPSIN IN COMPLEX WITH 7- TITLE 2 HYDROXYCOUMARIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHYMOTRYPSINOGEN A; COMPND 3 CHAIN: 1; COMPND 4 EC: 3.4.21.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS ENZYME-INHIBITOR COMPLEX, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR U.GHANI,K.K.S.NG,ATTA-UR-RAHMAN,M.I.CHOUDHARY,N.ULLAH,M.N.G.JAMES REVDAT 5 16-AUG-23 1K2I 1 REMARK LINK REVDAT 4 13-JUL-11 1K2I 1 VERSN REVDAT 3 24-FEB-09 1K2I 1 VERSN REVDAT 2 01-APR-03 1K2I 1 JRNL REVDAT 1 05-DEC-01 1K2I 0 JRNL AUTH U.GHANI,K.K.NG,ATTA-UR-RAHMAN,M.I.CHOUDHARY,N.ULLAH, JRNL AUTH 2 M.N.JAMES JRNL TITL CRYSTAL STRUCTURE OF GAMMA-CHYMOTRYPSIN IN COMPLEX WITH JRNL TITL 2 7-HYDROXYCOUMARIN. JRNL REF J.MOL.BIOL. V. 314 519 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11846564 JRNL DOI 10.1006/JMBI.2001.5148 REMARK 2 REMARK 2 RESOLUTION. 1.80 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 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.4 REMARK 3 NUMBER OF REFLECTIONS : 22635 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) : 0.180 REMARK 3 FREE R VALUE : 0.200 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2241 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 1735 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 134 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.65800 REMARK 3 B22 (A**2) : -0.65800 REMARK 3 B33 (A**2) : 1.31600 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) : 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.290 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.152 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.706 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K2I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014478. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-AUG-99 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 : YALE MIRRORS + NI FILTER REMARK 200 OPTICS : DOUBLE-FOCUSING MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22972 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 99.7 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.08400 REMARK 200 R SYM (I) : 0.08400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.35100 REMARK 200 R SYM FOR SHELL (I) : 0.35100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1GCT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM CACODYLATE, REMARK 280 DIOXANE, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2 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 -Y+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.000000 -1.000000 0.000000 34.92600 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.92600 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.69000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.92600 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.92600 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 48.69000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.92600 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.92600 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.69000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.92600 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.92600 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 48.69000 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 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 1 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 3010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18480 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 1 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 69.85200 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH 1 514 LIES ON A SPECIAL POSITION. 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 SER 1 11 REMARK 465 GLY 1 12 REMARK 465 LEU 1 13 REMARK 465 SER 1 14 REMARK 465 ARG 1 15 REMARK 465 THR 1 147 REMARK 465 ASN 1 148 REMARK 465 ALA 1 149 REMARK 465 ASN 1 150 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 ASN 1 48 -178.92 -176.60 REMARK 500 PHE 1 71 -55.85 -126.27 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 SO4 1 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SN1 1 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1GCT RELATED DB: PDB REMARK 900 1GCT CONTAINS NATIVE GAMMA CHYMOTRYPSIN WITH A PEPTIDE BOUND AT THE REMARK 900 ACTIVE SITE DBREF 1K2I 1 1 245 UNP P00766 CTRA_BOVIN 1 245 SEQRES 1 1 245 CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU SEQRES 2 1 245 SER ARG ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER SEQRES 3 1 245 TRP PRO TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE SEQRES 4 1 245 HIS PHE CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL SEQRES 5 1 245 VAL THR ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL SEQRES 6 1 245 VAL VAL ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU SEQRES 7 1 245 LYS ILE GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SEQRES 8 1 245 SER LYS TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR SEQRES 9 1 245 LEU LEU LYS LEU SER THR ALA ALA SER PHE SER GLN THR SEQRES 10 1 245 VAL SER ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE SEQRES 11 1 245 ALA ALA GLY THR THR CYS VAL THR THR GLY TRP GLY LEU SEQRES 12 1 245 THR ARG TYR THR ASN ALA ASN THR PRO ASP ARG LEU GLN SEQRES 13 1 245 GLN ALA SER LEU PRO LEU LEU SER ASN THR ASN CYS LYS SEQRES 14 1 245 LYS TYR TRP GLY THR LYS ILE LYS ASP ALA MET ILE CYS SEQRES 15 1 245 ALA GLY ALA SER GLY VAL SER SER CYS MET GLY ASP SER SEQRES 16 1 245 GLY GLY PRO LEU VAL CYS LYS LYS ASN GLY ALA TRP THR SEQRES 17 1 245 LEU VAL GLY ILE VAL SER TRP GLY SER SER THR CYS SER SEQRES 18 1 245 THR SER THR PRO GLY VAL TYR ALA ARG VAL THR ALA LEU SEQRES 19 1 245 VAL ASN TRP VAL GLN GLN THR LEU ALA ALA ASN HET SO4 1 501 5 HET SN1 1 400 12 HETNAM SO4 SULFATE ION HETNAM SN1 2,4-DIHYDROXY-TRANS CINNAMIC ACID FORMUL 2 SO4 O4 S 2- FORMUL 3 SN1 C9 H8 O4 FORMUL 4 HOH *134(H2 O) HELIX 1 1 ALA 1 55 GLY 1 59 5 5 HELIX 2 2 SER 1 164 GLY 1 173 1 10 HELIX 3 3 THR 1 174 ILE 1 176 5 3 HELIX 4 4 LEU 1 234 ASN 1 245 1 12 SHEET 1 A 7 GLU 1 20 GLU 1 21 0 SHEET 2 A 7 GLN 1 156 PRO 1 161 -1 O GLN 1 157 N GLU 1 20 SHEET 3 A 7 THR 1 135 GLY 1 140 -1 N CYS 1 136 O LEU 1 160 SHEET 4 A 7 PRO 1 198 LYS 1 203 -1 O VAL 1 200 N VAL 1 137 SHEET 5 A 7 ALA 1 206 TRP 1 215 -1 O ALA 1 206 N LYS 1 203 SHEET 6 A 7 PRO 1 225 ARG 1 230 -1 O VAL 1 227 N TRP 1 215 SHEET 7 A 7 MET 1 180 GLY 1 184 -1 N ALA 1 183 O GLY 1 226 SHEET 1 B 7 GLN 1 30 GLN 1 34 0 SHEET 2 B 7 HIS 1 40 LEU 1 46 -1 O CYS 1 42 N LEU 1 33 SHEET 3 B 7 TRP 1 51 THR 1 54 -1 O VAL 1 53 N SER 1 45 SHEET 4 B 7 THR 1 104 LEU 1 108 -1 O LEU 1 106 N VAL 1 52 SHEET 5 B 7 GLN 1 81 LYS 1 90 -1 N PHE 1 89 O LEU 1 105 SHEET 6 B 7 VAL 1 65 ALA 1 68 -1 N VAL 1 66 O LEU 1 83 SHEET 7 B 7 GLN 1 30 GLN 1 34 -1 N GLN 1 34 O VAL 1 65 SSBOND 1 CYS 1 1 CYS 1 122 1555 1555 2.03 SSBOND 2 CYS 1 42 CYS 1 58 1555 1555 2.03 SSBOND 3 CYS 1 136 CYS 1 201 1555 1555 2.03 SSBOND 4 CYS 1 168 CYS 1 182 1555 1555 2.03 SSBOND 5 CYS 1 191 CYS 1 220 1555 1555 2.03 LINK OG SER 1 195 C2 SN1 1 400 1555 1555 1.32 SITE 1 AC1 5 LYS 1 36 SER 1 92 TRP 1 237 HOH 1 517 SITE 2 AC1 5 HOH 1 593 SITE 1 AC2 9 SER 1 190 CYS 1 191 GLY 1 193 SER 1 195 SITE 2 AC2 9 VAL 1 213 TRP 1 215 GLY 1 216 SER 1 217 SITE 3 AC2 9 HOH 1 635 CRYST1 69.852 69.852 97.380 90.00 90.00 90.00 P 42 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 0.014316 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014316 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010269 0.00000