HEADER HYDROLASE 30-MAR-04 1SWV TITLE CRYSTAL STRUCTURE OF THE D12A MUTANT OF PHOSPHONOACETALDEHYDE TITLE 2 HYDROLASE COMPLEXED WITH MAGNESIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHONOACETALDEHYDE HYDROLASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.11.1.1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PKK223-3 KEYWDS HAD ENZYME SUPERFAMILY, PHOSPHONOTASE, PHOSPHONOACETALDEHYDE, METAL KEYWDS 2 BINDING, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR G.ZHANG,M.C.MORAIS,J.DAI,W.ZHANG,D.DUNAWAY-MARIANO,K.N.ALLEN REVDAT 5 23-AUG-23 1SWV 1 REMARK REVDAT 4 27-OCT-21 1SWV 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1SWV 1 VERSN REVDAT 2 19-APR-05 1SWV 1 JRNL REVDAT 1 05-OCT-04 1SWV 0 JRNL AUTH G.ZHANG,M.C.MORAIS,J.DAI,W.ZHANG,D.DUNAWAY-MARIANO,K.N.ALLEN JRNL TITL INVESTIGATION OF METAL ION BINDING IN PHOSPHONOACETALDEHYDE JRNL TITL 2 HYDROLASE IDENTIFIES SEQUENCE MARKERS FOR METAL-ACTIVATED JRNL TITL 3 ENZYMES OF THE HAD ENZYME SUPERFAMILY JRNL REF BIOCHEMISTRY V. 43 4990 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15109258 JRNL DOI 10.1021/BI036309N REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 61.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 431785.070 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 87.6 REMARK 3 NUMBER OF REFLECTIONS : 21804 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.278 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2132 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 76.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2121 REMARK 3 BIN R VALUE (WORKING SET) : 0.2950 REMARK 3 BIN FREE R VALUE : 0.3510 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 224 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.023 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4090 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 232 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.75 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.52000 REMARK 3 B22 (A**2) : -0.14000 REMARK 3 B33 (A**2) : 2.66000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -15.20000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.31 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.210 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 25.73 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : CIS_PEPTIDE.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SWV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-APR-04. REMARK 100 THE DEPOSITION ID IS D_1000022050. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-NOV-98 REMARK 200 TEMPERATURE (KELVIN) : 277 REMARK 200 PH : 7.4 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 : RIGAKU RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30955 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.990 REMARK 200 RESOLUTION RANGE LOW (A) : 61.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.5 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 12.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.44200 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1FEZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.83 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.4 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 31.27650 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 300 REMARK: THE DIMER IN THE ASYMMETRIC UNIT IS THE BIOLOGICAL ASSEMBLY 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1560 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21830 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -35.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 MET A 1 REMARK 465 ASP A 2 REMARK 465 ARG A 3 REMARK 465 MET A 4 REMARK 465 GLN A 262 REMARK 465 GLU A 263 REMARK 465 LEU A 264 REMARK 465 ILE A 265 REMARK 465 ILE A 266 REMARK 465 SER A 267 REMARK 465 MET B 1 REMARK 465 ASP B 2 REMARK 465 ARG B 3 REMARK 465 MET B 4 REMARK 465 GLN B 262 REMARK 465 GLU B 263 REMARK 465 LEU B 264 REMARK 465 ILE B 265 REMARK 465 ILE B 266 REMARK 465 SER B 267 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 TRP A 13 -86.79 -105.09 REMARK 500 THR A 16 -49.26 -130.31 REMARK 500 ASP A 19 82.36 59.85 REMARK 500 VAL A 73 -64.26 -106.76 REMARK 500 ASN A 106 -74.03 -2.52 REMARK 500 ILE A 205 -63.67 -93.35 REMARK 500 GLU A 260 34.32 -78.78 REMARK 500 TRP B 13 -94.83 -95.39 REMARK 500 ASP B 19 83.49 59.76 REMARK 500 TYR B 101 65.73 -108.54 REMARK 500 ALA B 102 27.36 -151.41 REMARK 500 ASN B 106 -91.46 -5.23 REMARK 500 ARG B 118 21.79 -79.46 REMARK 500 ASN B 220 38.01 -85.05 REMARK 500 GLN B 250 2.03 -66.28 REMARK 500 GLU B 260 45.57 -73.12 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 MG A 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 14 O REMARK 620 2 ASP A 186 OD1 61.1 REMARK 620 3 ASP A 190 OD2 145.2 84.1 REMARK 620 4 HOH A 556 O 88.9 120.7 112.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 502 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA B 14 O REMARK 620 2 ASP B 186 OD1 64.7 REMARK 620 3 ASP B 190 OD2 143.6 79.1 REMARK 620 4 HOH B 511 O 48.5 64.3 118.7 REMARK 620 5 HOH B 560 O 85.7 123.5 119.3 60.2 REMARK 620 6 HOH B 602 O 81.2 130.4 123.4 117.7 86.1 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FEZ RELATED DB: PDB REMARK 900 THE CRYSTAL STRUCTURE OF BACILLUS CEREUS PHOSPHONOACETALDEHYDE REMARK 900 HYDROLASE COMPLEXED WITH TUNGSTATE, A PRODUCT ANALOG DBREF 1SWV A 1 267 UNP O31156 O31156_BACCE 1 267 DBREF 1SWV B 1 267 UNP O31156 O31156_BACCE 1 267 SEQADV 1SWV ALA A 12 UNP O31156 ASP 12 ENGINEERED MUTATION SEQADV 1SWV ALA B 12 UNP O31156 ASP 12 ENGINEERED MUTATION SEQRES 1 A 267 MET ASP ARG MET LYS ILE GLU ALA VAL ILE PHE ALA TRP SEQRES 2 A 267 ALA GLY THR THR VAL ASP TYR GLY CYS PHE ALA PRO LEU SEQRES 3 A 267 GLU VAL PHE MET GLU ILE PHE HIS LYS ARG GLY VAL ALA SEQRES 4 A 267 ILE THR ALA GLU GLU ALA ARG LYS PRO MET GLY LEU LEU SEQRES 5 A 267 LYS ILE ASP HIS VAL ARG ALA LEU THR GLU MET PRO ARG SEQRES 6 A 267 ILE ALA SER GLU TRP ASN ARG VAL PHE ARG GLN LEU PRO SEQRES 7 A 267 THR GLU ALA ASP ILE GLN GLU MET TYR GLU GLU PHE GLU SEQRES 8 A 267 GLU ILE LEU PHE ALA ILE LEU PRO ARG TYR ALA SER PRO SEQRES 9 A 267 ILE ASN GLY VAL LYS GLU VAL ILE ALA SER LEU ARG GLU SEQRES 10 A 267 ARG GLY ILE LYS ILE GLY SER THR THR GLY TYR THR ARG SEQRES 11 A 267 GLU MET MET ASP ILE VAL ALA LYS GLU ALA ALA LEU GLN SEQRES 12 A 267 GLY TYR LYS PRO ASP PHE LEU VAL THR PRO ASP ASP VAL SEQRES 13 A 267 PRO ALA GLY ARG PRO TYR PRO TRP MET CYS TYR LYS ASN SEQRES 14 A 267 ALA MET GLU LEU GLY VAL TYR PRO MET ASN HIS MET ILE SEQRES 15 A 267 LYS VAL GLY ASP THR VAL SER ASP MET LYS GLU GLY ARG SEQRES 16 A 267 ASN ALA GLY MET TRP THR VAL GLY VAL ILE LEU GLY SER SEQRES 17 A 267 SER GLU LEU GLY LEU THR GLU GLU GLU VAL GLU ASN MET SEQRES 18 A 267 ASP SER VAL GLU LEU ARG GLU LYS ILE GLU VAL VAL ARG SEQRES 19 A 267 ASN ARG PHE VAL GLU ASN GLY ALA HIS PHE THR ILE GLU SEQRES 20 A 267 THR MET GLN GLU LEU GLU SER VAL MET GLU HIS ILE GLU SEQRES 21 A 267 LYS GLN GLU LEU ILE ILE SER SEQRES 1 B 267 MET ASP ARG MET LYS ILE GLU ALA VAL ILE PHE ALA TRP SEQRES 2 B 267 ALA GLY THR THR VAL ASP TYR GLY CYS PHE ALA PRO LEU SEQRES 3 B 267 GLU VAL PHE MET GLU ILE PHE HIS LYS ARG GLY VAL ALA SEQRES 4 B 267 ILE THR ALA GLU GLU ALA ARG LYS PRO MET GLY LEU LEU SEQRES 5 B 267 LYS ILE ASP HIS VAL ARG ALA LEU THR GLU MET PRO ARG SEQRES 6 B 267 ILE ALA SER GLU TRP ASN ARG VAL PHE ARG GLN LEU PRO SEQRES 7 B 267 THR GLU ALA ASP ILE GLN GLU MET TYR GLU GLU PHE GLU SEQRES 8 B 267 GLU ILE LEU PHE ALA ILE LEU PRO ARG TYR ALA SER PRO SEQRES 9 B 267 ILE ASN GLY VAL LYS GLU VAL ILE ALA SER LEU ARG GLU SEQRES 10 B 267 ARG GLY ILE LYS ILE GLY SER THR THR GLY TYR THR ARG SEQRES 11 B 267 GLU MET MET ASP ILE VAL ALA LYS GLU ALA ALA LEU GLN SEQRES 12 B 267 GLY TYR LYS PRO ASP PHE LEU VAL THR PRO ASP ASP VAL SEQRES 13 B 267 PRO ALA GLY ARG PRO TYR PRO TRP MET CYS TYR LYS ASN SEQRES 14 B 267 ALA MET GLU LEU GLY VAL TYR PRO MET ASN HIS MET ILE SEQRES 15 B 267 LYS VAL GLY ASP THR VAL SER ASP MET LYS GLU GLY ARG SEQRES 16 B 267 ASN ALA GLY MET TRP THR VAL GLY VAL ILE LEU GLY SER SEQRES 17 B 267 SER GLU LEU GLY LEU THR GLU GLU GLU VAL GLU ASN MET SEQRES 18 B 267 ASP SER VAL GLU LEU ARG GLU LYS ILE GLU VAL VAL ARG SEQRES 19 B 267 ASN ARG PHE VAL GLU ASN GLY ALA HIS PHE THR ILE GLU SEQRES 20 B 267 THR MET GLN GLU LEU GLU SER VAL MET GLU HIS ILE GLU SEQRES 21 B 267 LYS GLN GLU LEU ILE ILE SER HET MG A 501 1 HET MG B 502 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *232(H2 O) HELIX 1 1 PRO A 25 LYS A 35 1 11 HELIX 2 2 THR A 41 LYS A 47 1 7 HELIX 3 3 LEU A 52 MET A 63 1 12 HELIX 4 4 MET A 63 ARG A 75 1 13 HELIX 5 5 THR A 79 LEU A 98 1 20 HELIX 6 6 PRO A 99 ALA A 102 5 4 HELIX 7 7 GLY A 107 ARG A 118 1 12 HELIX 8 8 THR A 129 GLN A 143 1 15 HELIX 9 9 THR A 152 VAL A 156 5 5 HELIX 10 10 PRO A 163 GLY A 174 1 12 HELIX 11 11 PRO A 177 ASN A 179 5 3 HELIX 12 12 THR A 187 ALA A 197 1 11 HELIX 13 13 THR A 214 MET A 221 1 8 HELIX 14 14 ASP A 222 ASN A 240 1 19 HELIX 15 15 THR A 248 GLN A 250 5 3 HELIX 16 16 GLU A 251 GLU A 260 1 10 HELIX 17 17 PRO B 25 LYS B 35 1 11 HELIX 18 18 THR B 41 LYS B 47 1 7 HELIX 19 19 LEU B 52 MET B 63 1 12 HELIX 20 20 MET B 63 ARG B 75 1 13 HELIX 21 21 THR B 79 LEU B 98 1 20 HELIX 22 22 PRO B 99 TYR B 101 5 3 HELIX 23 23 GLY B 107 ARG B 118 1 12 HELIX 24 24 THR B 129 GLN B 143 1 15 HELIX 25 25 THR B 152 VAL B 156 5 5 HELIX 26 26 PRO B 163 LEU B 173 1 11 HELIX 27 27 PRO B 177 ASN B 179 5 3 HELIX 28 28 THR B 187 ALA B 197 1 11 HELIX 29 29 THR B 214 ASN B 220 1 7 HELIX 30 30 ASP B 222 ASN B 240 1 19 HELIX 31 31 THR B 248 GLN B 250 5 3 HELIX 32 32 GLU B 251 GLU B 260 1 10 SHEET 1 A 5 LYS A 121 SER A 124 0 SHEET 2 A 5 ALA A 8 PHE A 11 1 N VAL A 9 O GLY A 123 SHEET 3 A 5 MET A 181 GLY A 185 1 O ILE A 182 N ILE A 10 SHEET 4 A 5 TRP A 200 VAL A 204 1 O TRP A 200 N LYS A 183 SHEET 5 A 5 PHE A 244 ILE A 246 1 O ILE A 246 N GLY A 203 SHEET 1 B 6 PHE B 149 VAL B 151 0 SHEET 2 B 6 LYS B 121 THR B 125 1 N SER B 124 O VAL B 151 SHEET 3 B 6 ALA B 8 ALA B 12 1 N PHE B 11 O GLY B 123 SHEET 4 B 6 MET B 181 GLY B 185 1 O VAL B 184 N ILE B 10 SHEET 5 B 6 TRP B 200 VAL B 204 1 O TRP B 200 N LYS B 183 SHEET 6 B 6 PHE B 244 ILE B 246 1 O ILE B 246 N GLY B 203 LINK O ALA A 14 MG MG A 501 1555 1555 3.08 LINK OD1 ASP A 186 MG MG A 501 1555 1555 2.65 LINK OD2 ASP A 190 MG MG A 501 1555 1555 2.66 LINK MG MG A 501 O HOH A 556 1555 1555 2.91 LINK O ALA B 14 MG MG B 502 1555 1555 3.09 LINK OD1 ASP B 186 MG MG B 502 1555 1555 2.77 LINK OD2 ASP B 190 MG MG B 502 1555 1555 2.70 LINK MG MG B 502 O HOH B 511 1555 1555 3.08 LINK MG MG B 502 O HOH B 560 1555 1555 2.51 LINK MG MG B 502 O HOH B 602 1555 1555 2.82 CISPEP 1 ARG A 160 PRO A 161 0 1.06 CISPEP 2 TYR A 176 PRO A 177 0 -1.23 CISPEP 3 ARG B 160 PRO B 161 0 0.76 CISPEP 4 TYR B 176 PRO B 177 0 -0.58 SITE 1 AC1 5 ALA A 12 ALA A 14 ASP A 186 ASP A 190 SITE 2 AC1 5 HOH A 556 SITE 1 AC2 8 ALA B 12 ALA B 14 ASP B 186 THR B 187 SITE 2 AC2 8 ASP B 190 HOH B 511 HOH B 560 HOH B 602 CRYST1 64.503 62.553 73.759 90.00 108.76 90.00 P 1 21 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 0.015503 0.000000 0.005264 0.00000 SCALE2 0.000000 0.015986 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014318 0.00000