HEADER HYDROLASE (SERINE PROTEASE) 14-AUG-95 1SUP TITLE SUBTILISIN BPN' AT 1.6 ANGSTROMS RESOLUTION: ANALYSIS OF TITLE 2 DISCRETE DISORDER AND COMPARISON OF CRYSTAL FORMS COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN BPN'; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SUBTILISIN NOVO; COMPND 5 EC: 3.4.21.62 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS; SOURCE 3 ORGANISM_TAXID: 1390 KEYWDS HYDROLASE (SERINE PROTEASE) EXPDTA X-RAY DIFFRACTION AUTHOR D.T.GALLAGHER,J.D.OLIVER,C.BETZEL,G.L.GILLILAND REVDAT 2 24-FEB-09 1SUP 1 VERSN REVDAT 1 14-NOV-95 1SUP 0 JRNL AUTH T.GALLAGHER,J.OLIVER,R.BOTT,C.BETZEL,G.L.GILLILAND JRNL TITL SUBTILISIN BPN' AT 1.6 A RESOLUTION: ANALYSIS FOR JRNL TITL 2 DISCRETE DISORDER AND COMPARISON OF CRYSTAL FORMS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 52 1125 1996 JRNL REFN ISSN 0907-4449 JRNL PMID 15299573 JRNL DOI 10.1107/S0907444996007500 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 26220 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) : 0.168 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 : 2018 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 194 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.50 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.020 ; 0.021 REMARK 3 ANGLE DISTANCE (A) : 0.034 ; 0.027 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.046 ; 0.040 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.029 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.219 ; 0.250 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.428 ; 0.200 REMARK 3 MULTIPLE TORSION (A) : 0.355 ; 0.200 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.195 ; 0.200 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 4.700 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 15.800; 15.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.136 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.777 ; 1.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.632 ; 1.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.507 ; 1.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: PEPTIDE 257 - 258 IS DISCRETELY REMARK 3 DISORDERED. THE ZONE 256 - 259 WAS REFINED IN TWO DISTINCT REMARK 3 CONFORMATIONS. ATOMS CD, CE, AND NZ OF LYS 256 ARE FURTHER REMARK 3 DISORDERED, SO THEIR OCCUPANCIES DO NOT SUM TO 1.0. REMARK 4 REMARK 4 1SUP COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26328 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.98 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 33.28000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.07500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 33.28000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 27.07500 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 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 A 472 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 SER 221 IS COVALENTLY DERIVATIZED WITH REMARK 400 PHENYLMETHYLSULFONATE (PMS), HET GROUP 278. 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 ASP A 32 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP A 41 CB - CG - OD1 ANGL. DEV. = 8.1 DEGREES REMARK 500 GLU A 54 CA - CB - CG ANGL. DEV. = 17.3 DEGREES REMARK 500 GLU A 54 OE1 - CD - OE2 ANGL. DEV. = -7.7 DEGREES REMARK 500 SER A 63 N - CA - CB ANGL. DEV. = 9.7 DEGREES REMARK 500 LEU A 90 CA - CB - CG ANGL. DEV. = 16.3 DEGREES REMARK 500 ALA A 98 N - CA - CB ANGL. DEV. = 11.8 DEGREES REMARK 500 TYR A 104 CA - CB - CG ANGL. DEV. = 12.3 DEGREES REMARK 500 TYR A 104 CB - CG - CD1 ANGL. DEV. = 5.9 DEGREES REMARK 500 ASP A 140 CB - CG - OD1 ANGL. DEV. = 5.4 DEGREES REMARK 500 TYR A 217 CB - CG - CD1 ANGL. DEV. = 5.4 DEGREES REMARK 500 ASN A 240 CB - CA - C ANGL. DEV. = 12.4 DEGREES REMARK 500 ARG A 247 NE - CZ - NH1 ANGL. DEV. = 5.3 DEGREES REMARK 500 ARG A 247 NE - CZ - NH2 ANGL. DEV. = -5.4 DEGREES REMARK 500 LEU A 257 CB - CA - C ANGL. DEV. = 15.0 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 -152.21 -164.88 REMARK 500 SER A 63 -31.06 103.62 REMARK 500 ALA A 73 32.98 -146.02 REMARK 500 ASN A 77 -152.07 -152.75 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 ASN A 62 0.08 SIDE_CHAIN REMARK 500 GLN A 185 0.08 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 HIS A 17 -10.03 REMARK 500 GLY A 97 -10.31 REMARK 500 TYR A 104 -11.52 REMARK 500 LEU A 257 14.07 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 276 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 41 OD2 REMARK 620 2 LEU A 75 O 109.5 REMARK 620 3 VAL A 81 O 76.4 89.9 REMARK 620 4 GLN A 2 OE1 154.8 78.2 79.6 REMARK 620 5 ILE A 79 O 86.9 162.4 100.4 89.7 REMARK 620 6 ASN A 77 OD1 122.9 88.6 159.8 80.4 76.8 REMARK 620 7 ASP A 41 OD1 50.9 87.6 122.3 154.1 98.6 77.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 277 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 169 O REMARK 620 2 TYR A 171 O 75.2 REMARK 620 3 VAL A 174 O 103.1 73.5 REMARK 620 4 ASP A 197 OD2 122.8 138.5 66.3 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 276 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 277 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PMS A 278 DBREF 1SUP A 1 275 UNP P00782 SUBT_BACAM 108 382 SEQRES 1 A 275 ALA GLN SER VAL PRO TYR GLY VAL SER GLN ILE LYS ALA SEQRES 2 A 275 PRO ALA LEU HIS SER GLN GLY TYR THR GLY SER ASN VAL SEQRES 3 A 275 LYS VAL ALA VAL ILE ASP SER GLY ILE ASP SER SER HIS SEQRES 4 A 275 PRO ASP LEU LYS VAL ALA GLY GLY ALA SER MET VAL PRO SEQRES 5 A 275 SER GLU THR ASN PRO PHE GLN ASP ASN ASN SER HIS GLY SEQRES 6 A 275 THR HIS VAL ALA GLY THR VAL ALA ALA LEU ASN ASN SER SEQRES 7 A 275 ILE GLY VAL LEU GLY VAL ALA PRO SER ALA SER LEU TYR SEQRES 8 A 275 ALA VAL LYS VAL LEU GLY ALA ASP GLY SER GLY GLN TYR SEQRES 9 A 275 SER TRP ILE ILE ASN GLY ILE GLU TRP ALA ILE ALA ASN SEQRES 10 A 275 ASN MET ASP VAL ILE ASN MET SER LEU GLY GLY PRO SER SEQRES 11 A 275 GLY SER ALA ALA LEU LYS ALA ALA VAL ASP LYS ALA VAL SEQRES 12 A 275 ALA SER GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN GLU SEQRES 13 A 275 GLY THR SER GLY SER SER SER THR VAL GLY TYR PRO GLY SEQRES 14 A 275 LYS TYR PRO SER VAL ILE ALA VAL GLY ALA VAL ASP SER SEQRES 15 A 275 SER ASN GLN ARG ALA SER PHE SER SER VAL GLY PRO GLU SEQRES 16 A 275 LEU ASP VAL MET ALA PRO GLY VAL SER ILE GLN SER THR SEQRES 17 A 275 LEU PRO GLY ASN LYS TYR GLY ALA TYR ASN GLY THR SER SEQRES 18 A 275 MET ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE SEQRES 19 A 275 LEU SER LYS HIS PRO ASN TRP THR ASN THR GLN VAL ARG SEQRES 20 A 275 SER SER LEU GLU ASN THR THR THR LYS LEU GLY ASP SER SEQRES 21 A 275 PHE TYR TYR GLY LYS GLY LEU ILE ASN VAL GLN ALA ALA SEQRES 22 A 275 ALA GLN HET CA A 276 1 HET NA A 277 1 HET PMS A 278 10 HETNAM CA CALCIUM ION HETNAM NA SODIUM ION HETNAM PMS BENZYLSULFINIC ACID FORMUL 2 CA CA 2+ FORMUL 3 NA NA 1+ FORMUL 4 PMS C7 H8 O2 S FORMUL 5 HOH *194(H2 O) HELIX 1 1 TYR A 6 GLN A 10 1 5 HELIX 2 2 ALA A 13 GLN A 19 1 7 HELIX 3 3 HIS A 64 ALA A 73 1 10 HELIX 4 4 TYR A 104 ALA A 116 1 13 HELIX 5 5 ALA A 133 ALA A 144 1 12 HELIX 6 6 THR A 220 LYS A 237 1 18 HELIX 7 7 ASN A 243 ASN A 252 1 10 HELIX 8 8 SER A 260 TYR A 263 1 4 HELIX 9 9 VAL A 270 ALA A 273 1 4 SHEET 1 A 7 VAL A 198 PRO A 201 0 SHEET 2 A 7 ILE A 175 VAL A 180 1 N GLY A 178 O VAL A 198 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 ALA 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 ALA A 45 O LEU A 90 SHEET 1 B 2 ILE A 205 LEU A 209 0 SHEET 2 B 2 LYS A 213 TYR A 217 -1 N TYR A 217 O ILE A 205 LINK NE2BHIS A 64 C2 PMS A 278 1555 1555 1.53 LINK CD2BHIS A 64 C3 PMS A 278 1555 1555 1.34 LINK NE2BHIS A 64 C3 PMS A 278 1555 1555 1.48 LINK OG SER A 221 S PMS A 278 1555 1555 1.53 LINK CA CA A 276 OD2 ASP A 41 1555 1555 2.61 LINK CA CA A 276 O LEU A 75 1555 1555 2.27 LINK CA CA A 276 O VAL A 81 1555 1555 2.30 LINK CA CA A 276 OE1 GLN A 2 1555 1555 2.38 LINK CA CA A 276 O ILE A 79 1555 1555 2.35 LINK CA CA A 276 OD1 ASN A 77 1555 1555 2.37 LINK CA CA A 276 OD1 ASP A 41 1555 1555 2.40 LINK O GLY A 169 NA NA A 277 1555 1555 2.82 LINK O TYR A 171 NA NA A 277 1555 1555 2.98 LINK O VAL A 174 NA NA A 277 1555 1555 2.76 LINK OD2 ASP A 197 NA NA A 277 1555 1555 2.85 CISPEP 1 TYR A 167 PRO A 168 0 5.98 SITE 1 ACT 3 SER A 221 HIS A 64 ASP A 32 SITE 1 AC1 6 GLN A 2 ASP A 41 LEU A 75 ASN A 77 SITE 2 AC1 6 ILE A 79 VAL A 81 SITE 1 AC2 7 GLY A 169 TYR A 171 VAL A 174 GLU A 195 SITE 2 AC2 7 ASP A 197 HOH A 313 HOH A 368 SITE 1 AC3 8 HIS A 64 SER A 125 ASN A 155 TYR A 217 SITE 2 AC3 8 ASN A 218 SER A 221 MET A 222 HOH A 393 CRYST1 66.560 54.150 62.730 90.00 91.87 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 0.015024 0.000000 0.000491 0.00000 SCALE2 0.000000 0.018467 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015950 0.00000