HEADER SERINE PROTEASE 19-JUL-93 1SCA TITLE ENZYME CRYSTAL STRUCTURE IN A NEAT ORGANIC SOLVENT COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN CARLSBERG; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.62; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS LICHENIFORMIS; SOURCE 3 ORGANISM_TAXID: 1402 KEYWDS SERINE PROTEASE EXPDTA X-RAY DIFFRACTION AUTHOR P.A.FITZPATRICK,A.C.U.STEINMETZ,D.RINGE,A.M.KLIBANOV REVDAT 6 14-FEB-24 1SCA 1 REMARK SEQADV LINK REVDAT 5 29-NOV-17 1SCA 1 HELIX REVDAT 4 24-FEB-09 1SCA 1 VERSN REVDAT 3 01-APR-03 1SCA 1 JRNL REVDAT 2 15-JAN-95 1SCA 1 COMPND JRNL REVDAT 1 31-JAN-94 1SCA 0 JRNL AUTH P.A.FITZPATRICK,A.C.STEINMETZ,D.RINGE,A.M.KLIBANOV JRNL TITL ENZYME CRYSTAL STRUCTURE IN A NEAT ORGANIC SOLVENT. JRNL REF PROC.NATL.ACAD.SCI.USA V. 90 8653 1993 JRNL REFN ISSN 0027-8424 JRNL PMID 8378343 JRNL DOI 10.1073/PNAS.90.18.8653 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14163 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.156 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 USING ALL DATA, NO SIGMA CUTOFF. 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 : 1920 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 126 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.020 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 3.000 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : 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 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SCA 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_1000176309. 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 : NULL 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 (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 (%): 40.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 38.25000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.70000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.65000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 26.70000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.65000 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 ND2 ASN A 155 O HOH A 800 1.87 REMARK 500 NH1 ARG A 249 O HOH A 903 2.08 REMARK 500 OD1 ASN A 25 O HOH A 667 2.10 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 TYR A 91 CD1 TYR A 91 CE1 0.138 REMARK 500 SER A 190 CB SER A 190 OG -0.311 REMARK 500 SER A 190 CB SER A 190 OG 0.826 REMARK 500 GLU A 195 CD GLU A 195 OE2 0.067 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 ASP A 41 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 TYR A 91 CG - CD1 - CE1 ANGL. DEV. = -5.3 DEGREES REMARK 500 TYR A 91 CZ - CE2 - CD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP A 120 CB - CG - OD1 ANGL. DEV. = -9.2 DEGREES REMARK 500 ASP A 140 CB - CG - OD1 ANGL. DEV. = 7.9 DEGREES REMARK 500 ASP A 140 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 ARG A 145 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 TYR A 167 CB - CG - CD1 ANGL. DEV. = -5.0 DEGREES REMARK 500 ASP A 172 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 ASP A 181 CB - CG - OD1 ANGL. DEV. = 9.8 DEGREES REMARK 500 ASP A 181 CB - CG - OD2 ANGL. DEV. = -8.7 DEGREES REMARK 500 ARG A 249 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 VAL A 270 CG1 - CB - CG2 ANGL. DEV. = -10.2 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 ASN A 25 -2.10 83.36 REMARK 500 ASP A 32 -147.41 -157.50 REMARK 500 GLN A 36 84.91 -68.51 REMARK 500 ALA A 73 29.72 -145.45 REMARK 500 ASN A 77 -139.17 -149.16 REMARK 500 VAL A 81 -167.42 -118.80 REMARK 500 ASN A 155 42.42 -109.40 REMARK 500 THR A 213 -158.99 -129.47 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 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 2 NE2 REMARK 620 2 ASP A 41 OD2 155.1 REMARK 620 3 ASP A 41 OD1 154.4 50.5 REMARK 620 4 LEU A 75 O 79.2 109.5 90.9 REMARK 620 5 ASN A 77 OD1 70.6 130.5 86.2 91.3 REMARK 620 6 THR A 79 O 89.1 85.4 95.3 164.3 74.9 REMARK 620 7 VAL A 81 O 81.0 76.2 122.7 88.2 151.1 100.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 403 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 37 O REMARK 620 2 HIS A 39 O 99.6 REMARK 620 3 LEU A 42 O 96.0 77.4 REMARK 620 4 HOH A 451 O 107.4 148.2 83.3 REMARK 620 5 HOH A 625 O 54.4 132.0 68.1 59.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 402 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 169 O REMARK 620 2 TYR A 171 O 89.4 REMARK 620 3 VAL A 174 O 105.0 91.8 REMARK 620 4 HOH A 450 O 115.3 83.0 139.3 REMARK 620 5 HOH A 571 O 114.3 156.0 79.2 89.5 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: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 403 REMARK 999 REMARK 999 SEQUENCE REMARK 999 SEQUENCE ADVISORY NOTICE: REMARK 999 DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE. REMARK 999 REMARK 999 SWISS-PROT ENTRY NAME: SUBT_BACLI REMARK 999 REMARK 999 SWISS-PROT RESIDUE PDB SEQRES REMARK 999 NAME NUMBER NAME CHAIN SEQ/INSERT CODE REMARK 999 THR 207 SER 103 REMARK 999 PRO 233 ALA 129 REMARK 999 SER 262 ASN 158 REMARK 999 ASN 265 SER 161 REMARK 999 SER 316 ASN 212 REMARK 999 REMARK 999 THE SEQUENCE NUMBERING USED FOR SUBTILISIN IS BASED ON THAT REMARK 999 OF SUBTILISIN BPN' WITH A SINGLE DELETION AT RESIDUE 56. DBREF 1SCA A 1 275 UNP P00780 SUBT_BACLI 106 379 SEQADV 1SCA SER A 103 UNP P00780 THR 207 CONFLICT SEQADV 1SCA ALA A 129 UNP P00780 PRO 233 CONFLICT SEQADV 1SCA ASN A 158 UNP P00780 SER 262 CONFLICT SEQADV 1SCA SER A 161 UNP P00780 ASN 265 CONFLICT SEQADV 1SCA ASN A 212 UNP P00780 SER 316 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 PHE LYS GLY ALA ASN VAL SEQRES 3 A 274 LYS VAL ALA VAL LEU ASP THR GLY ILE GLN ALA SER HIS SEQRES 4 A 274 PRO ASP LEU ASN VAL VAL GLY GLY ALA SER PHE VAL ALA SEQRES 5 A 274 GLY GLU ALA 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 SER VAL SER LEU TYR ALA SEQRES 8 A 274 VAL LYS VAL LEU ASN SER SER GLY SER GLY SER TYR SER SEQRES 9 A 274 GLY ILE VAL SER GLY ILE GLU TRP ALA THR THR ASN GLY SEQRES 10 A 274 MET ASP VAL ILE ASN MET SER LEU GLY GLY ALA SER GLY SEQRES 11 A 274 SER THR ALA MET LYS GLN ALA VAL ASP ASN ALA TYR ALA SEQRES 12 A 274 ARG GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN SER GLY SEQRES 13 A 274 ASN SER GLY SER THR 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 SER ASN ARG ALA SER PHE SER SER VAL GLY ALA GLU LEU SEQRES 16 A 274 GLU VAL MET ALA PRO GLY ALA GLY VAL TYR SER THR TYR SEQRES 17 A 274 PRO THR ASN THR TYR ALA THR 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 HIS PRO ASN LEU SER ALA SER GLN VAL ARG ASN SEQRES 20 A 274 ARG LEU SER SER THR ALA THR TYR LEU GLY SER 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 401 1 HET NA A 402 1 HET CA A 403 1 HETNAM CA CALCIUM ION HETNAM NA SODIUM ION FORMUL 2 CA 2(CA 2+) FORMUL 3 NA NA 1+ FORMUL 5 HOH *126(H2 O) HELIX 1 1 TYR A 6 ILE A 11 1 6 HELIX 2 2 LYS A 12 GLN A 19 1 8 HELIX 3 3 GLY A 63 ALA A 74 1 12 HELIX 4 4 SER A 103 ASN A 117 1 15 HELIX 5 5 SER A 132 GLY A 146 1 15 HELIX 6 6 THR A 220 HIS A 238 1PERTURBATION AT SER 221 19 HELIX 7 7 SER A 242 THR A 253 1 12 HELIX 8 8 ASN A 269 ALA A 274 1 6 SHEET 1 SH1 8 ASN A 43 PHE A 50 0 SHEET 2 SH1 8 SER A 89 VAL A 95 1 O LEU A 90 N VAL A 45 SHEET 3 SH1 8 VAL A 26 ASP A 32 1 O VAL A 28 N TYR A 91 SHEET 4 SH1 8 ASP A 120 MET A 124 1 N ASP A 120 O LYS A 27 SHEET 5 SH1 8 VAL A 148 ALA A 153 1 N VAL A 150 O ILE A 122 SHEET 6 SH1 8 ILE A 175 VAL A 180 1 N ILE A 175 O VAL A 149 SHEET 7 SH1 8 GLU A 197 GLY A 202 1 N GLY A 202 O VAL A 180 SHEET 8 SH1 8 LYS A 265 ILE A 268 1 O GLY A 266 N MET A 199 LINK NE2 GLN A 2 CA CA A 401 1555 1555 2.44 LINK O ALA A 37 CA CA A 403 1555 1555 2.68 LINK O HIS A 39 CA CA A 403 1555 1555 2.40 LINK OD2 ASP A 41 CA CA A 401 1555 1555 2.61 LINK OD1 ASP A 41 CA CA A 401 1555 1555 2.49 LINK O LEU A 42 CA CA A 403 1555 1555 2.57 LINK O LEU A 75 CA CA A 401 1555 1555 2.35 LINK OD1 ASN A 77 CA CA A 401 1555 1555 2.33 LINK O THR A 79 CA CA A 401 1555 1555 2.36 LINK O VAL A 81 CA CA A 401 1555 1555 2.29 LINK O ALA A 169 NA NA A 402 1555 1555 2.31 LINK O TYR A 171 NA NA A 402 1555 1555 2.45 LINK O VAL A 174 NA NA A 402 1555 1555 2.27 LINK NA NA A 402 O HOH A 450 1555 1555 2.32 LINK NA NA A 402 O HOH A 571 1555 1555 2.43 LINK CA CA A 403 O HOH A 451 1555 1555 3.36 LINK CA CA A 403 O HOH A 625 1555 1555 3.37 CISPEP 1 TYR A 167 PRO A 168 0 8.16 CISPEP 2 PRO A 210 THR A 211 0 -4.53 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 450 SITE 2 AC2 5 HOH A 571 SITE 1 AC3 4 ALA A 37 SER A 38 HIS A 39 LEU A 42 CRYST1 76.500 55.300 53.400 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 0.013072 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018083 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018727 0.00000