HEADER HYDROLASE 05-DEC-03 1RQN TITLE PHOSPHONOACETALDEHYDE HYDROLASE COMPLEXED WITH MAGNESIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHONOACETALDEHYDE HYDROLASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PHOSPHONATASE; 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 SCHIFF-BASE FORMATION; ACID/BASE CATALYSIS; STRUCTURAL KEYWDS 2 ENZYMOLOGY; HAD SUPERFAMILY, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR M.C.MORAIS,G.ZHANG,W.ZHANG,D.B.OLSEN,D.DUNAWAY-MARIANO, AUTHOR 2 K.N.ALLEN REVDAT 2 24-FEB-09 1RQN 1 VERSN REVDAT 1 20-APR-04 1RQN 0 JRNL AUTH M.C.MORAIS,G.ZHANG,W.ZHANG,D.B.OLSEN, JRNL AUTH 2 D.DUNAWAY-MARIANO,K.N.ALLEN JRNL TITL X-RAY CRYSTALLOGRAPHIC AND SITE-DIRECTED JRNL TITL 2 MUTAGENESIS ANALYSIS OF THE MECHANISM OF JRNL TITL 3 SCHIFF-BASE FORMATION IN PHOSPHONOACETALDEHYDE JRNL TITL 4 HYDROLASE CATALYSIS JRNL REF J.BIOL.CHEM. V. 279 9353 2004 JRNL REFN ISSN 0021-9258 JRNL PMID 14670958 JRNL DOI 10.1074/JBC.M312345200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.80 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.34 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 214011.270 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.1 REMARK 3 NUMBER OF REFLECTIONS : 12399 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) : 0.246 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1278 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 53.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1177 REMARK 3 BIN R VALUE (WORKING SET) : 0.3850 REMARK 3 BIN FREE R VALUE : 0.4210 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 120 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.038 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4098 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 40 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 82.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -29.41000 REMARK 3 B22 (A**2) : 9.52000 REMARK 3 B33 (A**2) : 19.88000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -2.45000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.42 REMARK 3 ESD FROM SIGMAA (A) : 0.64 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) : 0.47 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.66 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.47 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 : 22.32 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 : CIS_PEPTIDE.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.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 1RQN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-DEC-03. REMARK 100 THE RCSB ID CODE IS RCSB020961. 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 : 7.40 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13003 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 45.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.0 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) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 57.6 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, TRIS-HCL, MAGNESIUM REMARK 280 CHLORIDE, PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298.0K, PH 7.40 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 105.06500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.59000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 105.06500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.59000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS THE DIMER IN THE ASYMMETRIC REMARK 300 UNIT 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: 1540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22390 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 -69.81 -105.29 REMARK 500 THR A 16 -60.65 -145.22 REMARK 500 ASP A 19 83.18 39.38 REMARK 500 MET A 49 70.88 -22.13 REMARK 500 PRO A 64 -45.45 -27.73 REMARK 500 GLN A 76 149.58 176.03 REMARK 500 ALA A 102 32.18 -83.14 REMARK 500 ASN A 106 -44.65 -24.75 REMARK 500 LYS A 146 94.20 -161.12 REMARK 500 TRP B 13 -80.08 -105.41 REMARK 500 THR B 16 -56.73 -133.82 REMARK 500 ASP B 19 86.57 50.75 REMARK 500 GLN B 76 140.87 -174.66 REMARK 500 ASN B 106 -86.54 -3.63 REMARK 500 LYS B 146 104.31 -164.72 REMARK 500 ILE B 205 -60.36 -91.47 REMARK 500 ASP B 222 105.61 -53.64 REMARK 500 GLU B 260 -3.94 -59.64 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 162 0.08 SIDE_CHAIN 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 ASP A 12 OD2 REMARK 620 2 ALA A 14 O 63.2 REMARK 620 3 ASP A 186 OD1 67.7 71.0 REMARK 620 N 1 2 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 64.9 REMARK 620 3 ASP B 12 OD2 66.1 57.8 REMARK 620 N 1 2 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 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 PHOSPHONOACETALDEHYDE HYDROLASE COMPLEXED WITH MAGNESIUM REMARK 900 AND TUNGSTATE REMARK 900 RELATED ID: 1RQL RELATED DB: PDB DBREF 1RQN A 1 267 UNP O31156 O31156_BACCE 1 267 DBREF 1RQN B 1 267 UNP O31156 O31156_BACCE 1 267 SEQADV 1RQN ALA A 107 UNP O31156 GLY 107 CONFLICT SEQADV 1RQN ALA B 107 UNP O31156 GLY 107 CONFLICT SEQRES 1 A 267 MET ASP ARG MET LYS ILE GLU ALA VAL ILE PHE ASP 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 ALA 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 ASP 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 ALA 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 *40(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 GLU A 62 1 11 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 ALA 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 ASN A 220 1 7 HELIX 14 14 ASP A 222 GLU A 239 1 18 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 ALA B 96 1 18 HELIX 22 22 ILE B 97 ALA B 102 5 6 HELIX 23 23 ALA 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 GLY B 174 1 12 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 PHE A 11 O GLY A 123 SHEET 3 A 5 MET A 181 GLY A 185 1 O VAL A 184 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 5 LYS B 121 SER B 124 0 SHEET 2 B 5 ALA B 8 PHE B 11 1 N PHE B 11 O GLY B 123 SHEET 3 B 5 MET B 181 GLY B 185 1 O ILE B 182 N ILE B 10 SHEET 4 B 5 TRP B 200 VAL B 204 1 O TRP B 200 N LYS B 183 SHEET 5 B 5 PHE B 244 ILE B 246 1 O ILE B 246 N GLY B 203 LINK MG MG A 501 OD2 ASP A 12 1555 1555 2.36 LINK MG MG A 501 O ALA A 14 1555 1555 2.58 LINK MG MG A 501 OD1 ASP A 186 1555 1555 2.38 LINK MG MG B 502 O ALA B 14 1555 1555 2.51 LINK MG MG B 502 OD1 ASP B 186 1555 1555 2.71 LINK MG MG B 502 OD2 ASP B 12 1555 1555 2.54 CISPEP 1 ARG A 160 PRO A 161 0 1.60 CISPEP 2 TYR A 176 PRO A 177 0 -0.88 CISPEP 3 ARG B 160 PRO B 161 0 1.59 CISPEP 4 TYR B 176 PRO B 177 0 -1.74 SITE 1 AC1 5 ASP A 12 ALA A 14 ASP A 186 THR A 187 SITE 2 AC1 5 ASP A 190 SITE 1 AC2 3 ASP B 12 ALA B 14 ASP B 186 CRYST1 210.130 45.180 63.640 90.00 105.10 90.00 C 1 2 1 8 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 0.004759 0.000000 0.001284 0.00000 SCALE2 0.000000 0.022134 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016275 0.00000 MASTER 337 0 2 32 10 0 3 6 0 0 0 42 END