PDB Short entry for 1AFQ HEADER HYDROLASE/HYDROLASE INHIBITOR 12-MAR-97 1AFQ TITLE CRYSTAL STRUCTURE OF BOVINE GAMMA-CHYMOTRYPSIN COMPLEXED WITH A TITLE 2 SYNTHETIC INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: BOVINE GAMMA-CHYMOTRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.1; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: BOVINE GAMMA-CHYMOTRYPSIN; COMPND 7 CHAIN: B; COMPND 8 EC: 3.4.21.1; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: BOVINE GAMMA-CHYMOTRYPSIN; COMPND 11 CHAIN: C; COMPND 12 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; SOURCE 5 ORGAN: PANCREAS; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 8 ORGANISM_COMMON: CATTLE; SOURCE 9 ORGANISM_TAXID: 9913; SOURCE 10 ORGAN: PANCREAS; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 13 ORGANISM_COMMON: CATTLE; SOURCE 14 ORGANISM_TAXID: 9913; SOURCE 15 ORGAN: PANCREAS KEYWDS HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.SUGIO,A.KASHIMA,Y.INOUE,I.MAEDA,T.NOSE,Y.SHIMOHIGASHI REVDAT 4 02-AUG-23 1AFQ 1 REMARK REVDAT 3 13-JUL-11 1AFQ 1 VERSN REVDAT 2 24-FEB-09 1AFQ 1 VERSN REVDAT 1 17-SEP-97 1AFQ 0 JRNL AUTH A.KASHIMA,Y.INOUE,S.SUGIO,I.MAEDA,T.NOSE,Y.SHIMOHIGASHI JRNL TITL X-RAY CRYSTAL STRUCTURE OF A DIPEPTIDE-CHYMOTRYPSIN COMPLEX JRNL TITL 2 IN AN INHIBITORY INTERACTION. JRNL REF EUR.J.BIOCHEM. V. 255 12 1998 JRNL REFN ISSN 0014-2956 JRNL PMID 9692896 JRNL DOI 10.1046/J.1432-1327.1998.2550012.X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.HAREL,C.-T.SU,F.FROLOW,I.SILMAN,J.L.SUSSMAN REMARK 1 TITL GAMMA-CHYMOTRYPSIN IS A COMPLEX OF ALPHA-CHYMOTRYPSIN WITH REMARK 1 TITL 2 ITS OWN AUTOLYSIS PRODUCTS REMARK 1 REF BIOCHEMISTRY V. 30 5217 1991 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.M.DIXON,R.G.BRENNAN,B.W.MATTHEWS REMARK 1 TITL STRUCTURE OF GAMMA-CHYMOTRYPSIN IN THE RANGE PH 2.0 TO PH REMARK 1 TITL 2 10.5 SUGGESTS THAT GAMMA-CHYMOTRYPSIN IS A COVALENT REMARK 1 TITL 3 ACYL-ENZYME ADDUCT AT LOW PH REMARK 1 REF INT.J.BIOL.MACROMOL. V. 13 89 1991 REMARK 1 REFN ISSN 0141-8130 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.M.DIXON,B.W.MATTHEWS REMARK 1 TITL IS GAMMA-CHYMOTRYPSIN A TETRAPEPTIDE ACYL-ENZYME ADDUCT OF REMARK 1 TITL 2 ALPHA-CHYMOTRYPSIN? REMARK 1 REF BIOCHEMISTRY V. 28 7033 1989 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 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) (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 21268 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : POSTERIORI REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.182 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1683 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1841 REMARK 3 BIN R VALUE (WORKING SET) : 0.2450 REMARK 3 BIN FREE R VALUE : 0.2040 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 159 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1745 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 61 REMARK 3 SOLVENT ATOMS : 127 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.40 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : NULL 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.470 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.250 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) : NULL ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 2.500 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 : PARAM.PAR REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPOL.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AFQ 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_1000170759. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-NOV-95 REMARK 200 TEMPERATURE (KELVIN) : 292 REMARK 200 PH : 7.5 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCESS, CONTROL REMARK 200 DATA SCALING SOFTWARE : PROCESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22647 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 97.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 9.500 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.5000 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) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.12800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.090 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 1AB9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.18 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: GAMMA-CHYMOTRYPSIN CRYSTALS WERE REMARK 280 SOAKED INTO A SOLUTION CONTAINING SATURATED INHIBITOR, 65% REMARK 280 SATURATED AMMONIUM SULFATE AND 100 MM HEPES BUFFER (PH7.5) AT REMARK 280 293K FOR A MONTH. 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 34.92000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.92000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.68000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.92000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.92000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 48.68000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.92000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.92000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.68000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.92000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.92000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 48.68000 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 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 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 B 607 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 608 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 A 11 REMARK 465 GLY A 12 REMARK 465 LEU A 13 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 B 48 -179.57 -174.69 REMARK 500 PHE B 71 -57.68 -126.94 REMARK 500 SER C 214 -70.53 -117.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THERE ARE TWO INHIBITOR MOLECULES IN AN ASYMMETRIC UNIT. REMARK 600 ONE (CHAIN C) IS BOUND TO SUBSTRATE BINDING SITE, WHILE REMARK 600 THE OTHER (CHAIN B) IS LOCATED AT THE INTERFACE OF THE REMARK 600 PROTEIN MOLECULES APART FROM THE CATALYTIC SITE. REMARK 630 REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE INHIBITOR REMARK 630 MOLECULE NAME: D-LEUCYL-N-(4-FLUOROBENZYL)-L-PHENYLALANINAMIDE REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 0FG B 304 REMARK 630 0FG C 301 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: DLE PHE FBA REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0FG C 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0FG B 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD DBREF 1AFQ A 1 13 UNP P00766 CTRA_BOVIN 1 13 DBREF 1AFQ B 16 146 UNP P00766 CTRA_BOVIN 16 146 DBREF 1AFQ C 150 245 UNP P00766 CTRA_BOVIN 150 245 SEQRES 1 A 13 CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU SEQRES 1 B 131 ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER TRP PRO SEQRES 2 B 131 TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE HIS PHE SEQRES 3 B 131 CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL VAL THR SEQRES 4 B 131 ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL VAL VAL SEQRES 5 B 131 ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU LYS ILE SEQRES 6 B 131 GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SER LYS SEQRES 7 B 131 TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR LEU LEU SEQRES 8 B 131 LYS LEU SER THR ALA ALA SER PHE SER GLN THR VAL SER SEQRES 9 B 131 ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE ALA ALA SEQRES 10 B 131 GLY THR THR CYS VAL THR THR GLY TRP GLY LEU THR ARG SEQRES 11 B 131 TYR SEQRES 1 C 96 ASN THR PRO ASP ARG LEU GLN GLN ALA SER LEU PRO LEU SEQRES 2 C 96 LEU SER ASN THR ASN CYS LYS LYS TYR TRP GLY THR LYS SEQRES 3 C 96 ILE LYS ASP ALA MET ILE CYS ALA GLY ALA SER GLY VAL SEQRES 4 C 96 SER SER CYS MET GLY ASP SER GLY GLY PRO LEU VAL CYS SEQRES 5 C 96 LYS LYS ASN GLY ALA TRP THR LEU VAL GLY ILE VAL SER SEQRES 6 C 96 TRP GLY SER SER THR CYS SER THR SER THR PRO GLY VAL SEQRES 7 C 96 TYR ALA ARG VAL THR ALA LEU VAL ASN TRP VAL GLN GLN SEQRES 8 C 96 THR LEU ALA ALA ASN HET 0FG B 304 28 HET SO4 B 401 5 HET 0FG C 301 28 HETNAM 0FG D-LEUCYL-N-(4-FLUOROBENZYL)-L-PHENYLALANINAMIDE HETNAM SO4 SULFATE ION FORMUL 4 0FG 2(C22 H28 F N3 O2) FORMUL 5 SO4 O4 S 2- FORMUL 7 HOH *127(H2 O) HELIX 1 1 ALA B 56 CYS B 58 5 3 HELIX 2 2 ASN C 165 LYS C 175 1 11 HELIX 3 3 VAL C 231 ALA C 233 5 3 HELIX 4 4 VAL C 235 ALA C 244 1 10 SHEET 1 A 7 GLN B 81 LYS B 84 0 SHEET 2 A 7 VAL B 65 ALA B 68 -1 N ALA B 68 O GLN B 81 SHEET 3 A 7 GLN B 30 GLN B 34 -1 N GLN B 34 O VAL B 65 SHEET 4 A 7 HIS B 40 ASN B 48 -1 N GLY B 44 O VAL B 31 SHEET 5 A 7 TRP B 51 THR B 54 -1 N VAL B 53 O SER B 45 SHEET 6 A 7 THR B 104 LEU B 108 -1 N LEU B 106 O VAL B 52 SHEET 7 A 7 ILE B 85 LYS B 90 -1 N PHE B 89 O LEU B 105 SHEET 1 B 2 THR B 135 GLY B 140 0 SHEET 2 B 2 GLN C 156 PRO C 161 -1 N LEU C 160 O CYS B 136 SHEET 1 C 4 MET C 180 GLY C 184 0 SHEET 2 C 4 PRO C 225 ARG C 230 -1 N TYR C 228 O ILE C 181 SHEET 3 C 4 ALA C 206 TRP C 215 -1 N TRP C 215 O VAL C 227 SHEET 4 C 4 PRO C 198 LYS C 203 -1 N LYS C 203 O ALA C 206 SSBOND 1 CYS A 1 CYS B 122 1555 1555 2.02 SSBOND 2 CYS B 42 CYS B 58 1555 1555 2.03 SSBOND 3 CYS B 136 CYS C 201 1555 1555 2.02 SSBOND 4 CYS C 168 CYS C 182 1555 1555 2.02 SSBOND 5 CYS C 191 CYS C 220 1555 1555 2.03 SITE 1 AC1 11 HIS B 57 ILE B 99 SER C 189 SER C 190 SITE 2 AC1 11 SER C 195 SER C 214 TRP C 215 GLY C 216 SITE 3 AC1 11 SER C 217 SER C 218 HOH C 596 SITE 1 AC2 15 GLN B 34 ASP B 35 LYS B 36 GLY B 38 SITE 2 AC2 15 VAL B 65 VAL B 67 GLY B 74 SER B 75 SITE 3 AC2 15 SER B 76 CYS B 122 LEU B 123 PRO B 124 SITE 4 AC2 15 HOH B 549 HOH B 610 HOH B 620 SITE 1 AC3 5 HOH A 576 LYS B 36 SER B 92 HOH B 563 SITE 2 AC3 5 TRP C 237 SITE 1 CAT 3 HIS B 57 ASP B 102 SER C 195 CRYST1 69.840 69.840 97.360 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 0.014318 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014318 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010271 0.00000