HEADER HYDROLASE 30-MAR-04 1SWW TITLE CRYSTAL STRUCTURE OF THE PHOSPHONOACETALDEHYDE HYDROLASE D12A MUTANT TITLE 2 COMPLEXED WITH MAGNESIUM AND SUBSTRATE PHOSPHONOACETALDEHYDE 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 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 PHOPSHONOACETALDEHYDE HYDROLASE, PHOSPHONATASE, HAD ENZYM KEYWDS 2 SUPERFAMILY, METAL 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 1SWW 1 REMARK REVDAT 4 27-OCT-21 1SWW 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1SWW 1 VERSN REVDAT 2 19-APR-05 1SWW 1 JRNL REVDAT 1 05-OCT-04 1SWW 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) : 60.68 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 432907.710 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 87.9 REMARK 3 NUMBER OF REFLECTIONS : 21432 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) : 0.218 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 : 2094 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) (%) : 77.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2128 REMARK 3 BIN R VALUE (WORKING SET) : 0.2950 REMARK 3 BIN FREE R VALUE : 0.3630 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 217 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 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 : 16 REMARK 3 SOLVENT ATOMS : 235 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.63 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.33000 REMARK 3 B22 (A**2) : 0.17000 REMARK 3 B33 (A**2) : 2.16000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -14.53000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.46 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) : 0.42 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 : 0.35 REMARK 3 BSOL : 25.11 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 : PHO.PAR REMARK 3 PARAMETER FILE 5 : CIS_PEPTIDE.PARAM REMARK 3 PARAMETER FILE 6 : 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 : PHO.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SWW 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_1000022051. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-DEC-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) : 1.960 REMARK 200 RESOLUTION RANGE LOW (A) : 60.680 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 12.3000 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: 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 (%): 45.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 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 31.26000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21530 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -40.0 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 -84.78 -106.54 REMARK 500 THR A 16 -48.81 -130.46 REMARK 500 ASP A 19 83.25 56.62 REMARK 500 LYS A 35 5.19 -62.58 REMARK 500 GLU A 69 -71.66 -56.36 REMARK 500 VAL A 73 -79.72 -79.64 REMARK 500 PHE A 74 1.37 -64.67 REMARK 500 ASN A 106 -79.09 -6.85 REMARK 500 ILE A 205 -62.00 -96.60 REMARK 500 TRP B 13 -94.30 -95.93 REMARK 500 THR B 16 -51.56 -122.77 REMARK 500 ASP B 19 83.90 58.51 REMARK 500 TYR B 101 74.30 -111.13 REMARK 500 ALA B 102 29.47 -158.99 REMARK 500 ASN B 106 -80.43 -4.81 REMARK 500 LYS B 146 100.74 -162.00 REMARK 500 ARG B 227 6.93 -65.30 REMARK 500 GLN B 250 4.18 -68.56 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 61.5 REMARK 620 3 ASP A 190 OD2 147.4 85.8 REMARK 620 4 POA A 600 O1P 63.9 116.7 139.8 REMARK 620 5 HOH A 656 O 83.7 116.0 114.2 86.7 REMARK 620 N 1 2 3 4 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 ASP B 186 OD1 REMARK 620 2 ASP B 190 OD2 78.6 REMARK 620 3 POA B 700 O2P 154.3 125.6 REMARK 620 4 POA B 700 O1P 88.6 132.7 68.8 REMARK 620 5 HOH B 717 O 110.4 129.3 63.1 97.9 REMARK 620 N 1 2 3 4 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 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE POA A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE POA B 700 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FEZ RELATED DB: PDB REMARK 900 THE NATIVE STATE OF THE SAME PROTEIN COMPLEXED WITH TUNGSTATE AND REMARK 900 MAGNESIUM REMARK 900 RELATED ID: 1SWV RELATED DB: PDB REMARK 900 D12A MUTANT OF PHOSPHONOACETALDEHYDE HYDROLASE COMPLEXED WITH REMARK 900 MAGNESIUM DBREF 1SWW A 1 267 UNP O31156 O31156_BACCE 1 267 DBREF 1SWW B 1 267 UNP O31156 O31156_BACCE 1 267 SEQADV 1SWW ALA A 12 UNP O31156 ASP 12 ENGINEERED MUTATION SEQADV 1SWW 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 POA A 600 7 HET MG B 502 1 HET POA B 700 7 HETNAM MG MAGNESIUM ION HETNAM POA PHOSPHONOACETALDEHYDE FORMUL 3 MG 2(MG 2+) FORMUL 4 POA 2(C2 H5 O4 P) FORMUL 7 HOH *235(H2 O) HELIX 1 1 PHE A 23 LYS A 35 1 13 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 THR B 61 1 10 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 PRO B 163 LEU B 173 1 11 HELIX 26 26 PRO B 177 ASN B 179 5 3 HELIX 27 27 THR B 187 ALA B 197 1 11 HELIX 28 28 THR B 214 ASN B 220 1 7 HELIX 29 29 ASP B 222 ASN B 240 1 19 HELIX 30 30 THR B 248 GLN B 250 5 3 HELIX 31 31 GLU B 251 LYS B 261 1 11 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 VAL A 202 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 PHE B 11 1 N VAL B 9 O LYS B 121 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 3.11 LINK OD1 ASP A 186 MG MG A 501 1555 1555 2.57 LINK OD2 ASP A 190 MG MG A 501 1555 1555 2.59 LINK MG MG A 501 O1P POA A 600 1555 1555 2.33 LINK MG MG A 501 O HOH A 656 1555 1555 2.86 LINK OD1 ASP B 186 MG MG B 502 1555 1555 2.88 LINK OD2 ASP B 190 MG MG B 502 1555 1555 2.53 LINK MG MG B 502 O2P POA B 700 1555 1555 2.33 LINK MG MG B 502 O1P POA B 700 1555 1555 2.16 LINK MG MG B 502 O HOH B 717 1555 1555 2.58 CISPEP 1 ARG A 160 PRO A 161 0 0.93 CISPEP 2 TYR A 176 PRO A 177 0 -1.13 CISPEP 3 ARG B 160 PRO B 161 0 0.72 CISPEP 4 TYR B 176 PRO B 177 0 -0.86 SITE 1 AC1 6 ALA A 12 ALA A 14 ASP A 186 ASP A 190 SITE 2 AC1 6 POA A 600 HOH A 656 SITE 1 AC2 7 ALA B 12 ALA B 14 ASP B 186 THR B 187 SITE 2 AC2 7 ASP B 190 POA B 700 HOH B 717 SITE 1 AC3 11 ALA A 12 TRP A 13 ALA A 14 LYS A 53 SITE 2 AC3 11 THR A 125 THR A 126 GLY A 127 TYR A 128 SITE 3 AC3 11 ARG A 160 MG A 501 HOH A 656 SITE 1 AC4 14 ALA B 12 TRP B 13 ALA B 14 GLY B 50 SITE 2 AC4 14 THR B 125 THR B 126 GLY B 127 TYR B 128 SITE 3 AC4 14 ARG B 160 ASP B 186 ASP B 190 MG B 502 SITE 4 AC4 14 HOH B 717 HOH B 759 CRYST1 63.815 62.520 72.618 90.00 108.03 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 0.015670 0.000000 0.005102 0.00000 SCALE2 0.000000 0.015995 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014482 0.00000