HEADER HYDROLASE 15-JUN-98 1BH6 TITLE SUBTILISIN DY IN COMPLEX WITH THE SYNTHETIC INHIBITOR N- TITLE 2 BENZYLOXYCARBONYL-ALA-PRO-PHE-CHLOROMETHYL KETONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN DY; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.62 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS LICHENIFORMIS; SOURCE 3 ORGANISM_TAXID: 1402; SOURCE 4 VARIANT: DY; SOURCE 5 OTHER_DETAILS: X-IRRADIATED JAPANESE STRAIN OF BACILLUS SOURCE 6 LICHENIFORMIS KEYWDS HYDROLASE, SUBTILISIN, PROTEIN DEGRADATION EXPDTA X-RAY DIFFRACTION AUTHOR S.ESCHENBURG,N.GENOV,K.S.WILSON,C.BETZEL REVDAT 5 20-NOV-24 1BH6 1 REMARK REVDAT 4 02-AUG-23 1BH6 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1BH6 1 VERSN REVDAT 2 18-NOV-98 1BH6 3 REMARK HETATM KEYWDS HEADER REVDAT 2 2 3 CONECT LINK REVDAT 1 04-NOV-98 1BH6 0 JRNL AUTH S.ESCHENBURG,N.GENOV,K.PETERS,S.FITTKAU,S.STOEVA,K.S.WILSON, JRNL AUTH 2 C.BETZEL JRNL TITL CRYSTAL STRUCTURE OF SUBTILISIN DY, A RANDOM MUTANT OF JRNL TITL 2 SUBTILISIN CARLSBERG. JRNL REF EUR.J.BIOCHEM. V. 257 309 1998 JRNL REFN ISSN 0014-2956 JRNL PMID 9826175 JRNL DOI 10.1046/J.1432-1327.1998.2570309.X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.BETZEL,M.VISANJI,S.ESCHENBURG,K.S.WILSON,K.PETERS, REMARK 1 AUTH 2 S.FITTKAU,T.P.SINGH,N.GENOV REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF SUBTILISIN REMARK 1 TITL 2 DY, A NATURAL MUTANT OF SUBTILISIN CARLSBERG REMARK 1 REF ARCH.BIOCHEM.BIOPHYS. V. 302 499 1993 REMARK 1 REFN ISSN 0003-9861 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CCP4 REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 22887 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.140 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1935 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 226 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.12 REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.022 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.041 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.048 ; 0.040 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.019 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.018 ; 0.015 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.120 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.290 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 3.600 ; 10.000 REMARK 3 STAGGERED (DEGREES) : 13.600; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 18.400; 45.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.200 ; 2.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.900 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.300 ; 2.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.900 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BH6 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_1000171752. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-93 REMARK 200 TEMPERATURE (KELVIN) : 278 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22887 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : 0.03000 REMARK 200 R SYM (I) : 0.03000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 23.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.05200 REMARK 200 R SYM FOR SHELL (I) : 0.05200 REMARK 200 <I/SIGMA(I)> FOR SHELL : 14.00 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1CSE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AS GIVEN IN REFERENCE 1, PH 6.0 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 26.41500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.94500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.37500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.94500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.41500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.37500 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 505 O HOH A 721 2.09 REMARK 500 O HOH A 696 O HOH A 700 2.17 REMARK 500 REMARK 500 REMARK: NULL 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 O HOH A 575 O HOH A 646 2655 1.94 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 TYR A 6 CB - CG - CD1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ASP A 60 CB - CG - OD1 ANGL. DEV. = 8.9 DEGREES REMARK 500 ASP A 76 CB - CG - OD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 SER A 101 N - CA - CB ANGL. DEV. = 10.4 DEGREES REMARK 500 TYR A 104 CB - CG - CD1 ANGL. DEV. = -4.1 DEGREES REMARK 500 GLU A 112 OE1 - CD - OE2 ANGL. DEV. = 8.5 DEGREES REMARK 500 ASP A 140 CB - CG - OD1 ANGL. DEV. = 9.0 DEGREES REMARK 500 ASP A 140 CB - CG - OD2 ANGL. DEV. = -7.0 DEGREES REMARK 500 ASP A 172 CB - CG - OD1 ANGL. DEV. = 6.5 DEGREES REMARK 500 TYR A 209 CB - CG - CD1 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG A 249 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 TYR A 263 CB - CG - CD1 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 ASP A 32 -147.80 -167.07 REMARK 500 ALA A 73 23.90 -140.46 REMARK 500 ASN A 77 -144.90 -153.54 REMARK 500 SER A 159 85.07 -150.67 REMARK 500 ASN A 212 45.04 -151.85 REMARK 500 THR A 213 -168.02 -126.85 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 2 OE1 REMARK 620 2 ASP A 41 OD2 151.3 REMARK 620 3 ASP A 41 OD1 158.1 50.5 REMARK 620 4 LEU A 75 O 81.4 111.7 89.8 REMARK 620 5 ASN A 77 OD1 77.9 127.1 81.4 85.0 REMARK 620 6 THR A 79 O 84.9 86.8 98.1 160.6 78.8 REMARK 620 7 VAL A 81 O 79.5 75.1 120.8 90.4 157.4 100.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 502 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 169 O REMARK 620 2 TYR A 171 O 84.3 REMARK 620 3 VAL A 174 O 90.7 77.9 REMARK 620 4 HOH A 503 O 117.9 148.2 79.3 REMARK 620 5 HOH A 504 O 114.7 89.2 150.4 100.1 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1BH A 300 DBREF 1BH6 A 1 275 UNP P00781 SUBD_BACLI 1 274 SEQADV 1BH6 SER A 37 UNP P00781 ALA 37 CONFLICT SEQADV 1BH6 SER A 103 UNP P00781 THR 102 CONFLICT SEQADV 1BH6 ASN A 158 UNP P00781 SER 157 CONFLICT SEQADV 1BH6 SER A 194 UNP P00781 ALA 193 CONFLICT SEQRES 1 A 274 ALA GLN THR VAL PRO TYR GLY ILE PRO LEU ILE LYS ALA SEQRES 2 A 274 ASP LYS VAL GLN ALA GLN GLY TYR LYS GLY ALA ASN VAL SEQRES 3 A 274 LYS VAL GLY ILE ILE ASP THR GLY ILE ALA SER SER HIS SEQRES 4 A 274 THR ASP LEU LYS VAL VAL GLY GLY ALA SER PHE VAL SER SEQRES 5 A 274 GLY GLU SER TYR ASN THR ASP GLY ASN GLY HIS GLY THR SEQRES 6 A 274 HIS VAL ALA GLY THR VAL ALA ALA LEU ASP ASN THR THR SEQRES 7 A 274 GLY VAL LEU GLY VAL ALA PRO ASN VAL SER LEU TYR ALA SEQRES 8 A 274 ILE LYS VAL LEU ASN SER SER GLY SER GLY SER TYR SER SEQRES 9 A 274 ALA ILE VAL SER GLY ILE GLU TRP ALA THR GLN ASN GLY SEQRES 10 A 274 LEU ASP VAL ILE ASN MET SER LEU GLY GLY PRO SER GLY SEQRES 11 A 274 SER THR ALA LEU LYS GLN ALA VAL ASP LYS ALA TYR ALA SEQRES 12 A 274 SER GLY ILE VAL VAL VAL ALA ALA ALA GLY ASN SER GLY SEQRES 13 A 274 ASN SER GLY SER GLN ASN THR ILE GLY TYR PRO ALA LYS SEQRES 14 A 274 TYR ASP SER VAL ILE ALA VAL GLY ALA VAL ASP SER ASN SEQRES 15 A 274 LYS ASN ARG ALA SER PHE SER SER VAL GLY SER GLU LEU SEQRES 16 A 274 GLU VAL MET ALA PRO GLY VAL SER VAL TYR SER THR TYR SEQRES 17 A 274 PRO SER ASN THR TYR THR SER LEU ASN GLY THR SER MET SEQRES 18 A 274 ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE LEU SEQRES 19 A 274 SER LYS TYR PRO THR LEU SER ALA SER GLN VAL ARG ASN SEQRES 20 A 274 ARG LEU SER SER THR ALA THR ASN LEU GLY ASP SER PHE SEQRES 21 A 274 TYR TYR GLY LYS GLY LEU ILE ASN VAL GLU ALA ALA ALA SEQRES 22 A 274 GLN HET CA A 501 1 HET NA A 502 1 HET 1BH A 300 34 HETNAM CA CALCIUM ION HETNAM NA SODIUM ION HETNAM 1BH N-BENZYLOXYCARBONYL-ALA-PRO-3-AMINO-4-PHENYL-BUTAN-2-OL FORMUL 2 CA CA 2+ FORMUL 3 NA NA 1+ FORMUL 4 1BH C26 H33 N3 O5 FORMUL 5 HOH *226(H2 O) HELIX 1 1 TYR A 6 LEU A 10 1 5 HELIX 2 2 ALA A 13 ALA A 18 1 6 HELIX 3 3 HIS A 64 ALA A 74 1 11 HELIX 4 4 TYR A 104 GLN A 116 1 13 HELIX 5 5 THR A 133 ALA A 144 1 12 HELIX 6 6 THR A 220 LYS A 237 1 18 HELIX 7 7 ALA A 243 SER A 252 1 10 HELIX 8 8 VAL A 270 ALA A 273 1 4 SHEET 1 A 7 LEU A 196 PRO A 201 0 SHEET 2 A 7 ILE A 175 VAL A 180 1 N ALA A 176 O GLU A 197 SHEET 3 A 7 VAL A 148 ALA A 152 1 N ALA A 151 O ILE A 175 SHEET 4 A 7 VAL A 121 MET A 124 1 N ILE A 122 O VAL A 148 SHEET 5 A 7 LYS A 27 ASP A 32 1 N GLY A 29 O VAL A 121 SHEET 6 A 7 SER A 89 LYS A 94 1 N SER A 89 O VAL A 28 SHEET 7 A 7 VAL A 44 SER A 49 1 N VAL A 45 O LEU A 90 SHEET 1 B 2 VAL A 205 TYR A 209 0 SHEET 2 B 2 THR A 213 LEU A 217 -1 N LEU A 217 O VAL A 205 LINK NE2 HIS A 64 CC 1BH A 300 1555 1555 1.90 LINK OG SER A 221 C9 1BH A 300 1555 1555 1.77 LINK OE1 GLN A 2 CA CA A 501 1555 1555 2.48 LINK OD2 ASP A 41 CA CA A 501 1555 1555 2.49 LINK OD1 ASP A 41 CA CA A 501 1555 1555 2.48 LINK O LEU A 75 CA CA A 501 1555 1555 2.30 LINK OD1 ASN A 77 CA CA A 501 1555 1555 2.43 LINK O THR A 79 CA CA A 501 1555 1555 2.37 LINK O VAL A 81 CA CA A 501 1555 1555 2.43 LINK O ALA A 169 NA NA A 502 1555 1555 2.55 LINK O TYR A 171 NA NA A 502 1555 1555 2.51 LINK O VAL A 174 NA NA A 502 1555 1555 2.50 LINK NA NA A 502 O HOH A 503 1555 1555 2.38 LINK NA NA A 502 O HOH A 504 1555 1555 2.46 CISPEP 1 TYR A 167 PRO A 168 0 8.65 CISPEP 2 PRO A 210 SER A 211 0 -1.60 SITE 1 ACT 3 ASP A 32 HIS A 64 SER A 221 SITE 1 AC1 6 GLN A 2 ASP A 41 LEU A 75 ASN A 77 SITE 2 AC1 6 THR A 79 VAL A 81 SITE 1 AC2 5 ALA A 169 TYR A 171 VAL A 174 HOH A 503 SITE 2 AC2 5 HOH A 504 SITE 1 AC3 19 HIS A 64 GLY A 100 GLY A 102 TYR A 104 SITE 2 AC3 19 SER A 125 LEU A 126 GLY A 127 GLY A 128 SITE 3 AC3 19 SER A 130 LEU A 135 GLY A 154 ASN A 155 SITE 4 AC3 19 TYR A 167 GLY A 219 SER A 221 HOH A 570 SITE 5 AC3 19 HOH A 574 HOH A 620 HOH A 665 CRYST1 52.830 72.750 59.890 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 0.018929 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013746 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016697 0.00000