HEADER HYDROLASE(SERINE PROTEINASE) 10-JUN-92 1SUC TITLE CALCIUM-INDEPENDENT SUBTILISIN BY DESIGN CAVEAT 1SUC RESIDUES 75-83 MISSING, RESIDUE A74 & A84 LINKED COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN BPN' CRB-S3; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.62; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS; SOURCE 3 ORGANISM_TAXID: 1390 KEYWDS HYDROLASE(SERINE PROTEINASE) EXPDTA X-RAY DIFFRACTION AUTHOR T.GALLAGHER,P.BRYAN,G.L.GILLILAND REVDAT 4 03-NOV-21 1SUC 1 REMARK SEQADV LINK REVDAT 3 29-NOV-17 1SUC 1 HELIX REVDAT 2 24-FEB-09 1SUC 1 VERSN REVDAT 1 31-JAN-94 1SUC 0 JRNL AUTH T.GALLAGHER,P.BRYAN,G.L.GILLILAND JRNL TITL CALCIUM-INDEPENDENT SUBTILISIN BY DESIGN. JRNL REF PROTEINS V. 16 205 1993 JRNL REFN ISSN 0887-3585 JRNL PMID 8332608 JRNL DOI 10.1002/PROT.340160207 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROFFT REMARK 3 AUTHORS : KONNERT,HENDRICKSON,FINZEL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 18748 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) : 0.177 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 : 1854 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 160 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) : 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) : 0.019 ; 0.025 REMARK 3 ANGLE DISTANCE (A) : 0.036 ; 0.032 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.037 ; 0.040 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.033 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.287 ; 0.250 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.374 ; 0.200 REMARK 3 MULTIPLE TORSION (A) : 0.120 ; 0.200 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.171 ; 0.200 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 5.000 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 16.900; 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SUC 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_1000176521. 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 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 (%): 37.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 39.33500 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 400 REMARK 400 COMPOUND REMARK 400 SECONDARY STRUCTURE ASSIGNMENT IS ACCORDING TO KABSCH AND REMARK 400 SANDER (BIOPOLYMERS 22, 2577-2637, 1983). 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 ALA A 1 REMARK 465 GLN A 2 REMARK 465 SER A 3 REMARK 465 LEU A 75 REMARK 465 ASN A 76 REMARK 465 ASN A 77 REMARK 465 SER A 78 REMARK 465 ILE A 79 REMARK 465 GLY A 80 REMARK 465 VAL A 81 REMARK 465 LEU A 82 REMARK 465 GLY A 83 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 VAL A 4 CB CG1 CG2 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 SER A 63 CB SER A 63 OG 0.081 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 VAL A 28 CA - CB - CG2 ANGL. DEV. = 10.1 DEGREES REMARK 500 LYS A 43 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 PHE A 58 CB - CG - CD2 ANGL. DEV. = -4.6 DEGREES REMARK 500 SER A 63 N - CA - CB ANGL. DEV. = 13.2 DEGREES REMARK 500 ASP A 99 CB - CG - OD1 ANGL. DEV. = 7.0 DEGREES REMARK 500 TRP A 106 CA - CB - CG ANGL. DEV. = 12.0 DEGREES REMARK 500 ASP A 120 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 ASP A 140 CB - CG - OD1 ANGL. DEV. = 8.7 DEGREES REMARK 500 VAL A 150 CA - CB - CG2 ANGL. DEV. = 10.9 DEGREES REMARK 500 TYR A 171 CB - CG - CD1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG A 186 CD - NE - CZ ANGL. DEV. = 9.3 DEGREES REMARK 500 ARG A 186 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 186 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 THR A 244 CA - CB - CG2 ANGL. DEV. = 9.2 DEGREES REMARK 500 ARG A 247 NE - CZ - NH1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ARG A 247 NE - CZ - NH2 ANGL. DEV. = -5.5 DEGREES REMARK 500 LEU A 257 CB - CA - C ANGL. DEV. = 16.4 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 -156.69 -155.42 REMARK 500 SER A 63 -26.62 115.20 REMARK 500 LEU A 257 -119.74 -105.46 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 ANGLE, 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 VAL A 84 11.18 REMARK 500 TYR A 104 -10.56 REMARK 500 GLU A 112 -13.89 REMARK 500 ALA A 133 -11.04 REMARK 500 VAL A 198 -11.32 REMARK 500 GLY A 264 -10.76 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 K A 297 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 169 O REMARK 620 2 TYR A 171 O 78.5 REMARK 620 3 VAL A 174 O 100.7 72.8 REMARK 620 4 ASP A 197 OD2 118.1 138.1 66.6 REMARK 620 5 HOH A 323 O 108.5 80.0 134.8 122.9 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 297 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACN A 298 REMARK 999 REMARK 999 SEQUENCE REMARK 999 OMITTING RESIDUE NUMBERS 75-83 REFLECTS THE ENGINEERED REMARK 999 DELETION AND PRESERVES WILD TYPE NUMBERING OF RESIDUES REMARK 999 84-275. DBREF 1SUC A 1 275 UNP P00782 SUBT_BACAM 108 382 SEQADV 1SUC PHE A 50 UNP P00782 MET 157 ENGINEERED MUTATION SEQADV 1SUC LYS A 217 UNP P00782 TYR 324 ENGINEERED MUTATION SEQADV 1SUC SER A 218 UNP P00782 ASN 325 ENGINEERED MUTATION SEQADV 1SUC CSD A 221 UNP P00782 SER 328 ENGINEERED MUTATION 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 PHE 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 LYS SER GLY THR CSD 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 MODRES 1SUC CSD A 221 CYS 3-SULFINOALANINE HET CSD A 221 8 HET K A 297 1 HET ACN A 298 4 HETNAM CSD 3-SULFINOALANINE HETNAM K POTASSIUM ION HETNAM ACN ACETONE HETSYN CSD S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE FORMUL 1 CSD C3 H7 N O4 S FORMUL 2 K K 1+ FORMUL 3 ACN C3 H6 O FORMUL 4 HOH *160(H2 O) HELIX 1 A TYR A 6 GLN A 10 1 5 HELIX 2 B ALA A 13 SER A 18 1 6 HELIX 3 C HIS A 64 VAL A 84 1EXTENDED BY DELETION OF 75-83 12 HELIX 4 D TYR A 104 ALA A 116 1 13 HELIX 5 E ALA A 133 ALA A 144 1 12 HELIX 6 F THR A 220 LYS A 237 1 18 HELIX 7 G ASN A 243 ASN A 252 1 10 HELIX 8 H SER A 260 TYR A 263 1 4 HELIX 9 I VAL A 270 ALA A 274 1 5 SHEET 1 S1 7 VAL A 44 SER A 49 0 SHEET 2 S1 7 SER A 89 LYS A 94 1 O LEU A 90 N ALA A 45 SHEET 3 S1 7 LYS A 27 ASP A 32 1 N VAL A 28 O SER A 89 SHEET 4 S1 7 VAL A 121 MET A 124 1 N VAL A 121 O LYS A 27 SHEET 5 S1 7 VAL A 148 ALA A 152 1 O VAL A 148 N ILE A 122 SHEET 6 S1 7 ILE A 175 VAL A 180 1 N ILE A 175 O VAL A 149 SHEET 7 S1 7 VAL A 198 PRO A 201 1 O VAL A 198 N GLY A 178 SHEET 1 S2 2 ILE A 205 LEU A 209 0 SHEET 2 S2 2 LYS A 213 LYS A 217 -1 O LYS A 217 N ILE A 205 LINK C THR A 220 N CSD A 221 1555 1555 1.33 LINK C CSD A 221 N MET A 222 1555 1555 1.34 LINK O GLY A 169 K K A 297 1555 1555 2.63 LINK O TYR A 171 K K A 297 1555 1555 2.82 LINK O VAL A 174 K K A 297 1555 1555 2.76 LINK OD2 ASP A 197 K K A 297 1555 1555 2.96 LINK K K A 297 O HOH A 323 1555 1555 2.80 CISPEP 1 TYR A 167 PRO A 168 0 3.26 SITE 1 ACT 3 ASP A 32 HIS A 64 CSD A 221 SITE 1 AC1 6 GLY A 169 TYR A 171 VAL A 174 GLU A 195 SITE 2 AC1 6 ASP A 197 HOH A 323 SITE 1 AC2 3 SER A 37 PHE A 58 ARG A 186 CRYST1 41.370 78.670 36.780 90.00 114.73 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 0.024172 0.000000 0.011133 0.00000 SCALE2 0.000000 0.012711 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029934 0.00000