1AK9 - Header Asymmetric Unit

HEADER SERINE PROTEASE 30-MAY-97 1AK9

TITLE SUBTILISIN MUTANT 8321

COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN 8321; 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; SOURCE 4 EXPRESSION_SYSTEM: BACILLUS SUBTILIS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 1423; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: GX8321; SOURCE 7 EXPRESSION_SYSTEM_CELLULAR_LOCATION: SECRETED; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PGX8321

KEYWDS HYDROLASE, SERINE PROTEASE, SPORULATION

EXPDTA X-RAY DIFFRACTION

AUTHOR M.WHITLOW,A.J.HOWARD,J.F.WOOD

REVDAT 3 24-NOV-09 1AK9 1 REMARK REVDAT 2 24-FEB-09 1AK9 1 VERSN REVDAT 1 12-NOV-97 1AK9 0

JRNL AUTH M.W.PANTOLIANO,M.WHITLOW,J.F.WOOD,S.W.DODD, JRNL AUTH 2 K.D.HARDMAN,M.L.ROLLENCE,P.N.BRYAN JRNL TITL LARGE INCREASES IN GENERAL STABILITY FOR SUBTILISIN JRNL TITL 2 BPN' THROUGH INCREMENTAL CHANGES IN THE FREE ENERGY JRNL TITL 3 OF UNFOLDING. JRNL REF BIOCHEMISTRY V. 28 7205 1989 JRNL REFN ISSN 0006-2960 JRNL PMID 2684274 JRNL DOI 10.1021/BI00444A012

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.W.PANTOLIANO,M.WHITLOW,J.F.WOOD,M.L.ROLLENCE, REMARK 1 AUTH 2 B.C.FINZEL,G.L.GILLILAND,T.L.POULOS,P.N.BRYAN REMARK 1 TITL THE ENGINEERING OF BINDING AFFINITY AT METAL ION REMARK 1 TITL 2 BINDING SITES FOR THE STABILIZATION OF PROTEINS: REMARK 1 TITL 3 SUBTILISIN AS A TEST CASE REMARK 1 REF BIOCHEMISTRY V. 27 8311 1988 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.W.PANTOLIANO,R.C.LADNER,P.N.BRYAN,M.L.ROLLENCE, REMARK 1 AUTH 2 J.F.WOOD,T.L.POULOS REMARK 1 TITL PROTEIN ENGINEERING OF SUBTILISIN BPN': ENHANCED REMARK 1 TITL 2 STABILIZATION THROUGH THE INTRODUCTION OF TWO REMARK 1 TITL 3 CYSTEINES TO FORM A DISULFIDE BOND REMARK 1 REF BIOCHEMISTRY V. 26 2077 1987 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH P.N.BRYAN,M.L.ROLLENCE,M.W.PANTOLIANO,J.WOOD, REMARK 1 AUTH 2 B.C.FINZEL,G.L.GILLILAND,A.J.HOWARD,T.L.POULOS REMARK 1 TITL PROTEASES OF ENHANCED STABILITY: CHARACTERIZATION REMARK 1 TITL 2 OF A THERMOSTABLE VARIANT OF SUBTILISIN REMARK 1 REF PROTEINS V. 1 326 1986 REMARK 1 REFN ISSN 0887-3585 REMARK 1 REFERENCE 4 REMARK 1 AUTH R.A.ALDEN,J.J.BIRKTOFT,J.KRAUT,J.D.ROBERTUS, REMARK 1 AUTH 2 C.S.WRIGHT REMARK 1 TITL ATOMIC COORDINATES FOR SUBTILISIN BPN' (OR NOVO) REMARK 1 REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 45 337 1971 REMARK 1 REFN ISSN 0006-291X

REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROFFT, PROLSQ 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) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14232 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.148 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) : 31520 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1950 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 198 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) : 0.020 ; 0.030 REMARK 3 ANGLE DISTANCE (A) : 0.030 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.040 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.020 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.203 ; 0.300 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.162 ; 0.200 REMARK 3 MULTIPLE TORSION (A) : 0.134 ; 0.200 REMARK 3 H-BOND (X...Y) (A) : 0.145 ; 0.200 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; 0.200 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; 0.600 REMARK 3 PLANAR (DEGREES) : 3.500 ; 7.500 REMARK 3 STAGGERED (DEGREES) : 12.400; 10.000 REMARK 3 TRANSVERSE (DEGREES) : 29.400; 10.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.615 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.009 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.757 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.551 ; 4.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1AK9 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 : 22-APR-87 REMARK 200 TEMPERATURE (KELVIN) : 290 REMARK 200 PH : 9.0 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 : ELLIOTT GX-21 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : HUBER MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17227 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 78.6 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05480 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 16.9000 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) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 55.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.32340 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE MAP REMARK 200 SOFTWARE USED: PROLSQ, PROFFT REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTAL WERE GROWN BY VAPOR REMARK 280 DIFFUSION OF 10 MG/ML PROTEIN IN 50 MM GLYCINE PH 9.0 (1 MM REMARK 280 EDTA, 25 MM CACL2 OF 50 MM KCL) AGAINST 2-PROPANOL OR REMARK 280 ACETONE., VAPOR DIFFUSION

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 39.72500 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: 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 - CD2 ANGL. DEV. = 3.7 DEGREES REMARK 500 ASP A 36 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ALA A 73 N - CA - CB ANGL. DEV. = -9.2 DEGREES REMARK 500 ASP A 99 CB - CG - OD1 ANGL. DEV. = 6.5 DEGREES REMARK 500 ARG A 247 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 247 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 TYR A 262 CB - CG - CD2 ANGL. DEV. = -4.7 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 CYS A 22 14.32 -141.15 REMARK 500 ASP A 32 -149.73 -169.00 REMARK 500 SER A 63 -17.98 110.55 REMARK 500 ALA A 73 35.20 -146.50 REMARK 500 ASN A 77 -150.00 -152.63 REMARK 500 VAL A 81 -166.91 -120.88 REMARK 500 ASP A 197 -60.77 -102.28 REMARK 500 LEU A 257 -128.16 -114.96 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 ASN A 252 23.2 L L OUTSIDE RANGE 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 295 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 2 OE1 REMARK 620 2 ASP A 41 OD1 148.4 REMARK 620 3 ASP A 41 OD2 156.8 54.2 REMARK 620 4 LEU A 75 O 73.6 88.5 111.5 REMARK 620 5 ASN A 77 OD1 79.1 75.2 122.3 90.7 REMARK 620 6 ILE A 79 O 90.4 102.0 86.2 162.3 78.5 REMARK 620 7 VAL A 81 O 76.6 127.8 81.6 83.2 155.7 100.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 297 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 195 O REMARK 620 2 ASP A 197 OD2 83.0 REMARK 620 3 ASP A 197 OD1 93.4 54.2 REMARK 620 4 HOH A 491 O 141.7 115.6 75.0 REMARK 620 5 HOH A 353 O 72.8 106.8 59.7 69.8 REMARK 620 6 HOH A 483 O 96.0 149.8 95.9 50.6 45.4 REMARK 620 7 HOH A 340 O 159.8 82.5 89.4 58.2 125.1 103.6 REMARK 620 8 HOH A 372 O 91.3 143.9 161.8 90.5 105.3 66.1 92.3 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 296 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CA A 297 CA REMARK 620 2 VAL A 174 O 102.6 REMARK 620 3 TYR A 171 O 138.1 79.3 REMARK 620 4 ALA A 169 O 133.6 109.7 81.2 REMARK 620 5 HOH A 340 O 52.1 64.4 95.0 173.7 REMARK 620 6 HOH A 372 O 55.7 141.8 97.0 107.2 78.2 REMARK 620 N 1 2 3 4 5

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: C22 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MUTATION FROM THR TO CYS AT RESIDUE 22. CYS REMARK 800 22 FORMS A DISULFIDE BOND WITH CYS 87. REMARK 800 SITE_IDENTIFIER: F50 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MUTATION FROM MET TO PHE AT RESIDUE 50. REMARK 800 SITE_IDENTIFIER: C87 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MUTATION FROM SER TO CYS AT RESIDUE 87. CYS REMARK 800 87 FORMS A DISULFIDE BOND WITH CYS 22. REMARK 800 SITE_IDENTIFIER: 169 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MUTATION FROM GLY TO ALA AT RESIDUE 169. REMARK 800 SITE_IDENTIFIER: 217 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MUTATION FROM TYR TO LYS AT RESIDUE 217. REMARK 800 SITE_IDENTIFIER: 218 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MUTATION FROM ASN TO SER AT RESIDUE 218. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 295 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 296 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 297 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 290 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IPA A 291

DBREF 1AK9 A 1 275 UNP P00782 SUBT_BACAM 108 382

SEQADV 1AK9 CYS A 22 UNP P00782 THR 129 ENGINEERED SEQADV 1AK9 PHE A 50 UNP P00782 MET 157 ENGINEERED SEQADV 1AK9 CYS A 87 UNP P00782 SER 194 ENGINEERED SEQADV 1AK9 ALA A 169 UNP P00782 GLY 276 ENGINEERED SEQADV 1AK9 LYS A 217 UNP P00782 TYR 324 ENGINEERED SEQADV 1AK9 SER A 218 UNP P00782 ASN 325 ENGINEERED

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 CYS 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 CYS 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 ALA 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 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 295 1 HET NA A 296 1 HET CA A 297 1 HET IPA A 290 4 HET IPA A 291 4

HETNAM CA CALCIUM ION HETNAM NA SODIUM ION HETNAM IPA ISOPROPYL ALCOHOL

HETSYN IPA 2-PROPANOL

FORMUL 2 CA 2(CA 2+) FORMUL 3 NA NA 1+ FORMUL 5 IPA 2(C3 H8 O) FORMUL 7 HOH *198(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 THR A 253 1 11 HELIX 8 8 SER A 260 TYR A 263 1 4 HELIX 9 9 VAL A 270 ALA A 274 1 5

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 LYS A 217 -1 N LYS A 217 O ILE A 205

SSBOND 1 CYS A 22 CYS A 87 1555 1555 2.00

LINK CA CA A 295 OE1 GLN A 2 1555 1555 2.37 LINK CA CA A 295 OD1 ASP A 41 1555 1555 2.38 LINK CA CA A 295 OD2 ASP A 41 1555 1555 2.38 LINK CA CA A 295 O LEU A 75 1555 1555 2.31 LINK CA CA A 295 OD1 ASN A 77 1555 1555 2.32 LINK CA CA A 295 O ILE A 79 1555 1555 2.22 LINK CA CA A 295 O VAL A 81 1555 1555 2.39 LINK CA CA A 297 O GLU A 195 1555 1555 2.34 LINK CA CA A 297 OD2 ASP A 197 1555 1555 2.38 LINK NA NA A 296 CA CA A 297 1555 1555 2.56 LINK NA NA A 296 O VAL A 174 1555 1555 2.57 LINK NA NA A 296 O TYR A 171 1555 1555 2.56 LINK CA CA A 297 OD1 ASP A 197 1555 1555 2.41 LINK CA CA A 297 O HOH A 491 1555 1555 3.17 LINK CA CA A 297 O HOH A 353 1555 1555 3.34 LINK CA CA A 297 O HOH A 483 1555 1555 2.10 LINK CA CA A 297 O HOH A 340 1555 1555 2.40 LINK CA CA A 297 O HOH A 372 1555 1555 2.43 LINK O ALA A 169 NA NA A 296 1555 1555 2.66 LINK NA NA A 296 O HOH A 340 1555 1555 2.87 LINK NA NA A 296 O HOH A 372 1555 1555 2.64

CISPEP 1 TYR A 167 PRO A 168 0 1.74

SITE 1 C22 1 CYS A 22 SITE 1 F50 1 PHE A 50 SITE 1 C87 1 CYS A 87 SITE 1 169 1 ALA A 169 SITE 1 217 1 LYS A 217 SITE 1 218 1 SER A 218 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 8 ALA A 169 TYR A 171 VAL A 174 GLU A 195 SITE 2 AC2 8 ASP A 197 CA A 297 HOH A 340 HOH A 372 SITE 1 AC3 6 GLU A 195 ASP A 197 NA A 296 HOH A 340 SITE 2 AC3 6 HOH A 372 HOH A 483 SITE 1 AC4 2 PHE A 58 ARG A 186 SITE 1 AC5 3 SER A 145 PHE A 189 HOH A 486

CRYST1 41.640 79.450 37.260 90.00 114.53 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 0.024015 0.000000 0.010960 0.00000

SCALE2 0.000000 0.012587 0.000000 0.00000

SCALE3 0.000000 0.000000 0.029501 0.00000