HEADER HYDROLASE/HYDROLASE INHIBITOR 21-APR-97 1AIM TITLE CRUZAIN INHIBITED BY BENZOYL-TYROSINE-ALANINE-FLUOROMETHYLKETONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CRUZAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 EC: 3.4.22.-; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI; SOURCE 3 ORGANISM_TAXID: 5693; SOURCE 4 GENE: RTP; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: CHEY; SOURCE 9 EXPRESSION_SYSTEM_GENE: RTP KEYWDS CYSTEINE PROTEASE, TRYPANOSOMA CRUZI, FLUOROMETHYL KETONE, HYDROLASE- KEYWDS 2 HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.FLETTERICK,S.GILLMOR REVDAT 4 03-APR-24 1AIM 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1AIM 1 VERSN REVDAT 2 24-FEB-09 1AIM 1 VERSN REVDAT 1 22-OCT-97 1AIM 0 JRNL AUTH S.A.GILLMOR,C.S.CRAIK,R.J.FLETTERICK JRNL TITL STRUCTURAL DETERMINANTS OF SPECIFICITY IN THE CYSTEINE JRNL TITL 2 PROTEASE CRUZAIN. JRNL REF PROTEIN SCI. V. 6 1603 1997 JRNL REFN ISSN 0961-8368 JRNL PMID 9260273 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.E.MCGRATH,A.E.EAKIN,J.C.ENGEL,J.H.MCKERROW,C.S.CRAIK, REMARK 1 AUTH 2 R.J.FLETTERICK REMARK 1 TITL THE CRYSTAL STRUCTURE OF CRUZAIN: A THERAPEUTIC TARGET FOR REMARK 1 TITL 2 CHAGAS' DISEASE REMARK 1 REF J.MOL.BIOL. V. 247 251 1995 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000000000.00 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 9342 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) : 0.188 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.500 REMARK 3 FREE R VALUE TEST SET COUNT : 812 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.19 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1021 REMARK 3 BIN R VALUE (WORKING SET) : 0.2140 REMARK 3 BIN FREE R VALUE : 0.3250 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 83 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 : 1589 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 46 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.20 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 2.785 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.99 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.664 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.500 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.500 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.000 ; 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AIM 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_1000170862. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : APR-95 REMARK 200 TEMPERATURE (KELVIN) : 288 REMARK 200 PH : 5.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11200 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.0 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.09600 REMARK 200 R SYM (I) : 0.09600 REMARK 200 FOR THE DATA SET : 5.2000 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) : 2.06 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.7 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.17900 REMARK 200 FOR SHELL : 2.000 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: CRUZAIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 0.8M NA REMARK 280 CITRATE, PH 5.5. THE HANGING DROPS WERE MICRO-SEEDED., VAPOR REMARK 280 DIFFUSION - HANGING DROP - SEEDING REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 25.81000 REMARK 290 SMTRY3 2 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 HD21 ASN A 70 HD21 ASN A 127 2954 1.07 REMARK 500 H2 HOH A 311 O HOH A 321 21044 1.56 REMARK 500 H2 ALA A 1 OE1 GLU A 78 2944 1.58 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 43 NE2 HIS A 43 CD2 -0.070 REMARK 500 HIS A 100 NE2 HIS A 100 CD2 -0.070 REMARK 500 HIS A 110 NE2 HIS A 110 CD2 -0.076 REMARK 500 HIS A 159 NE2 HIS A 159 CD2 -0.070 REMARK 500 REMARK 500 REMARK: NULL 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 TRP A 7 CD1 - CG - CD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 TRP A 7 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP A 26 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP A 26 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 TRP A 38 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 38 CE2 - CD2 - CG ANGL. DEV. = -5.8 DEGREES REMARK 500 HIS A 43 CB - CG - CD2 ANGL. DEV. = -9.7 DEGREES REMARK 500 TRP A 74 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 74 CE2 - CD2 - CG ANGL. DEV. = -5.0 DEGREES REMARK 500 TRP A 123 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP A 123 CB - CG - CD1 ANGL. DEV. = -8.6 DEGREES REMARK 500 TRP A 123 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 TRP A 123 CG - CD2 - CE3 ANGL. DEV. = 6.2 DEGREES REMARK 500 LEU A 124 CA - CB - CG ANGL. DEV. = 19.1 DEGREES REMARK 500 TRP A 141 CD1 - CG - CD2 ANGL. DEV. = 5.2 DEGREES REMARK 500 TRP A 141 CE2 - CD2 - CG ANGL. DEV. = -4.9 DEGREES REMARK 500 TRP A 171 CD1 - CG - CD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 TRP A 171 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP A 177 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP A 177 CE2 - CD2 - CG ANGL. DEV. = -5.8 DEGREES REMARK 500 TRP A 181 CD1 - CG - CD2 ANGL. DEV. = 7.1 DEGREES REMARK 500 TRP A 181 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG A 188 NE - CZ - NH2 ANGL. DEV. = -3.6 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 GLU A 156 -26.34 -149.99 REMARK 500 THR A 178 170.32 65.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: BENZOYL-TYROSINE-ALANINE-FLUORO-METHYL KETONE 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 ZYA A 280 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: PHQ TYR ALA CF0 REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AVE REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CYSTEINE PROTEASE ACTIVE SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZYA A 280 DBREF 1AIM A 1 212 UNP P25779 CYSP_TRYCR 123 337 SEQADV 1AIM ALA A 156A UNP P25779 GLN 281 CONFLICT SEQRES 1 A 215 ALA PRO ALA ALA VAL ASP TRP ARG ALA ARG GLY ALA VAL SEQRES 2 A 215 THR ALA VAL LYS ASP GLN GLY GLN CYS GLY SER CYS TRP SEQRES 3 A 215 ALA PHE SER ALA ILE GLY ASN VAL GLU CYS GLN TRP PHE SEQRES 4 A 215 LEU ALA GLY HIS PRO LEU THR ASN LEU SER GLU GLN MET SEQRES 5 A 215 LEU VAL SER CYS ASP LYS THR ASP SER GLY CYS SER GLY SEQRES 6 A 215 GLY LEU MET ASN ASN ALA PHE GLU TRP ILE VAL GLN GLU SEQRES 7 A 215 ASN ASN GLY ALA VAL TYR THR GLU ASP SER TYR PRO TYR SEQRES 8 A 215 ALA SER GLY GLU GLY ILE SER PRO PRO CYS THR THR SER SEQRES 9 A 215 GLY HIS THR VAL GLY ALA THR ILE THR GLY HIS VAL GLU SEQRES 10 A 215 LEU PRO GLN ASP GLU ALA GLN ILE ALA ALA TRP LEU ALA SEQRES 11 A 215 VAL ASN GLY PRO VAL ALA VAL ALA VAL ASP ALA SER SER SEQRES 12 A 215 TRP MET THR TYR THR GLY GLY VAL MET THR SER CYS VAL SEQRES 13 A 215 SER GLU ALA LEU ASP HIS GLY VAL LEU LEU VAL GLY TYR SEQRES 14 A 215 ASN ASP SER ALA ALA VAL PRO TYR TRP ILE ILE LYS ASN SEQRES 15 A 215 SER TRP THR THR GLN TRP GLY GLU GLU GLY TYR ILE ARG SEQRES 16 A 215 ILE ALA LYS GLY SER ASN GLN CYS LEU VAL LYS GLU GLU SEQRES 17 A 215 ALA SER SER ALA VAL VAL GLY HET ZYA A 280 31 HETNAM ZYA BENZOYL-TYROSINE-ALANINE-FLUORO-METHYL KETONE HETSYN ZYA NALPHA-[(BENZYLOXY)CARBONYL]-N-[(2S)-4-FLUORO-3- HETSYN 2 ZYA OXOBUTAN-2-YL]-L-TYROSINAMIDE FORMUL 2 ZYA C21 H23 F N2 O5 FORMUL 3 HOH *46(H2 O) HELIX 1 1 TRP A 7 ARG A 10 5 4 HELIX 2 2 CYS A 25 LEU A 40 1 16 HELIX 3 3 GLU A 50 CYS A 56 1 7 HELIX 4 4 GLY A 62 SER A 64 5 3 HELIX 5 5 MET A 68 GLU A 78 1 11 HELIX 6 6 GLU A 83 SER A 85 5 3 HELIX 7 7 GLU A 117 ASN A 127 1 11 HELIX 8 8 SER A 139 THR A 143 5 5 HELIX 9 9 GLN A 199 LEU A 201 5 3 SHEET 1 A 4 ALA A 4 ASP A 6 0 SHEET 2 A 4 LEU A 162 ASN A 167 -1 N TYR A 166 O VAL A 5 SHEET 3 A 4 TYR A 170 LYS A 174 -1 N LYS A 174 O LEU A 162 SHEET 4 A 4 TYR A 186 ALA A 190 -1 N ILE A 189 O TRP A 171 SHEET 1 B 2 VAL A 130 VAL A 134 0 SHEET 2 B 2 HIS A 159 LEU A 163 -1 N LEU A 163 O VAL A 130 SHEET 1 C 2 ALA A 79 TYR A 81 0 SHEET 2 C 2 VAL A 102 THR A 106 -1 N ALA A 105 O VAL A 80 SHEET 1 D 2 ILE A 107 GLU A 112 0 SHEET 2 D 2 SER A 207 VAL A 211 -1 N VAL A 210 O THR A 108 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.03 SSBOND 2 CYS A 56 CYS A 95 1555 1555 2.02 SSBOND 3 CYS A 153 CYS A 200 1555 1555 2.03 LINK SG CYS A 25 CM ZYA A 280 1555 1555 1.81 SITE 1 AVE 3 CYS A 25 HIS A 159 ASN A 175 SITE 1 AC1 14 GLN A 19 GLY A 23 SER A 24 CYS A 25 SITE 2 AC1 14 TRP A 26 SER A 61 GLY A 65 GLY A 66 SITE 3 AC1 14 LEU A 67 LEU A 157 ASP A 158 HIS A 159 SITE 4 AC1 14 GLU A 205 HOH A 317 CRYST1 43.250 51.620 45.340 90.00 115.43 90.00 P 1 21 1 2 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 0.023121 0.000000 0.010994 0.00000 SCALE2 0.000000 0.019372 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024422 0.00000