PDB Short entry for 2IAU HEADER HYDROLASE 08-SEP-06 2IAU TITLE CRYSTAL STRUCTURE OF SQUID GANGLION DFPASE W244Y MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIISOPROPYLFLUOROPHOSPHATASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DFPASE; COMPND 5 EC: 3.1.8.2; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: PHOSPHOTRIESTERASE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LOLIGO VULGARIS; SOURCE 3 ORGANISM_TAXID: 6622; SOURCE 4 ORGAN: HEAD GANGLION; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PKKHISND KEYWDS PHOSPHOTRIESTERASE, BETA-PROPELLER, CALCIUM-BINDING SITE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR E.I.SCHARFF,J.KOEPKE,G.FRITZSCH,C.LUECKE,H.RUETERJANS REVDAT 4 30-AUG-23 2IAU 1 REMARK REVDAT 3 20-OCT-21 2IAU 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 2IAU 1 VERSN REVDAT 1 26-SEP-06 2IAU 0 JRNL AUTH E.I.SCHARFF,J.KOEPKE,G.FRITZSCH,C.LUECKE,H.RUETERJANS JRNL TITL CRYSTAL STRUCTURE OF DIISOPROPYLFLUOROPHOSPHATASE FROM JRNL TITL 2 LOLIGO VULGARIS JRNL REF STRUCTURE V. 9 493 2001 JRNL REFN ISSN 0969-2126 JRNL PMID 11435114 JRNL DOI 10.1016/S0969-2126(01)00610-4 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH E.I.SCHARFF,C.LUECKE,G.FRITZSCH,J.KOEPKE,J.HARTLEIB,S.DIERL, REMARK 1 AUTH 2 H.RUETERJANS REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY CRYSTALLOGRAPHIC REMARK 1 TITL 2 ANALYSIS OF DFPASE FROM LOLIGO VULGARIS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 57 148 2001 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.KOEPKE,E.I.SCHARFF,C.LUECKE,H.RUETERJANS,G.FRITZSCH REMARK 1 TITL STATISTICAL ANALYSIS OF CRYSTALLOGRAPHIC DATA OBTAINED FROM REMARK 1 TITL 2 SQUID GANGLION DFPASE AT 0.85 A RESOLUTION REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 59 1744 2003 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 3 REMARK 1 AUTH V.KATSEMI,C.LUECKE,J.KOEPKE,F.LOEHR,S.MAURER,G.FRITZSCH, REMARK 1 AUTH 2 H.RUETERJANS REMARK 1 TITL MUTATIONAL AND STRUCTURAL STUDIES OF THE REMARK 1 TITL 2 DIISOPROPYLFLUOROPHOSPHATASE FROM LOLIGO VULGARIS SHED NEW REMARK 1 TITL 3 LIGHT ON THE CATALYTIC MECHANISM OF THE ENZYME REMARK 1 REF BIOCHEMISTRY V. 44 9022 2005 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 90.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 50450 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) : 0.209 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2449 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 305 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2IAU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-SEP-06. REMARK 100 THE DEPOSITION ID IS D_1000039353. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-DEC-99 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 6.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 50450 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 90.000 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 <I/SIGMA(I)> 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 <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: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1E1A REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG 6000, 0.1 M MES, PH 6.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 21.45050 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.12300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.84800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.12300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.45050 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.84800 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 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: 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 PRO A 18 109.75 -48.43 REMARK 500 ALA A 20 112.39 -29.73 REMARK 500 ALA A 35 79.57 -113.42 REMARK 500 ALA A 45 50.76 -156.26 REMARK 500 SER A 147 38.43 -80.55 REMARK 500 PHE A 173 66.97 68.38 REMARK 500 ASN A 175 -98.26 -119.79 REMARK 500 THR A 195 -71.47 -44.53 REMARK 500 ASP A 229 -105.34 -112.45 REMARK 500 PRO A 266 31.04 -81.20 REMARK 500 LYS A 269 64.71 -118.03 REMARK 500 PHE A 311 32.73 -99.43 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 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 21 OE2 REMARK 620 2 ASN A 120 OD1 123.5 REMARK 620 3 ASN A 175 OD1 154.1 70.8 REMARK 620 4 ASP A 229 OD1 86.0 143.5 74.2 REMARK 620 5 HOH A 502 O 77.4 75.1 128.6 137.6 REMARK 620 6 HOH A 533 O 76.2 84.0 84.9 83.2 128.4 REMARK 620 7 HOH A 672 O 117.6 98.9 76.7 82.4 71.9 159.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 402 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 232 OD2 REMARK 620 2 LEU A 273 O 83.1 REMARK 620 3 HIS A 274 ND1 86.8 100.8 REMARK 620 4 HOH A 511 O 81.2 161.8 87.3 REMARK 620 5 HOH A 683 O 169.9 88.8 88.7 107.7 REMARK 620 6 HOH A 693 O 93.3 88.1 171.0 83.8 92.6 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 CA A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 402 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1E1A RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE DFPASE AT 1.8 ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 1PJX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE DFPASE AT 0.85 ANGSTROMS RESOLUTION REMARK 900 RELATED ID: 2IAO RELATED DB: PDB REMARK 900 RELATED ID: 2IAP RELATED DB: PDB REMARK 900 RELATED ID: 2IAQ RELATED DB: PDB REMARK 900 RELATED ID: 2IAR RELATED DB: PDB REMARK 900 RELATED ID: 2IAS RELATED DB: PDB REMARK 900 RELATED ID: 2IAT RELATED DB: PDB REMARK 900 RELATED ID: 2IAV RELATED DB: PDB REMARK 900 RELATED ID: 2IAW RELATED DB: PDB REMARK 900 RELATED ID: 2IAX RELATED DB: PDB DBREF 2IAU A 3 314 UNP Q7SIG4 DFPA_LOLVU 3 314 SEQADV 2IAU TYR A 244 UNP Q7SIG4 TRP 244 ENGINEERED MUTATION SEQRES 1 A 312 ILE PRO VAL ILE GLU PRO LEU PHE THR LYS VAL THR GLU SEQRES 2 A 312 ASP ILE PRO GLY ALA GLU GLY PRO VAL PHE ASP LYS ASN SEQRES 3 A 312 GLY ASP PHE TYR ILE VAL ALA PRO GLU VAL GLU VAL ASN SEQRES 4 A 312 GLY LYS PRO ALA GLY GLU ILE LEU ARG ILE ASP LEU LYS SEQRES 5 A 312 THR GLY LYS LYS THR VAL ILE CYS LYS PRO GLU VAL ASN SEQRES 6 A 312 GLY TYR GLY GLY ILE PRO ALA GLY CYS GLN CYS ASP ARG SEQRES 7 A 312 ASP ALA ASN GLN LEU PHE VAL ALA ASP MET ARG LEU GLY SEQRES 8 A 312 LEU LEU VAL VAL GLN THR ASP GLY THR PHE GLU GLU ILE SEQRES 9 A 312 ALA LYS LYS ASP SER GLU GLY ARG ARG MET GLN GLY CYS SEQRES 10 A 312 ASN ASP CYS ALA PHE ASP TYR GLU GLY ASN LEU TRP ILE SEQRES 11 A 312 THR ALA PRO ALA GLY GLU VAL ALA PRO ALA ASP TYR THR SEQRES 12 A 312 ARG SER MET GLN GLU LYS PHE GLY SER ILE TYR CYS PHE SEQRES 13 A 312 THR THR ASP GLY GLN MET ILE GLN VAL ASP THR ALA PHE SEQRES 14 A 312 GLN PHE PRO ASN GLY ILE ALA VAL ARG HIS MET ASN ASP SEQRES 15 A 312 GLY ARG PRO TYR GLN LEU ILE VAL ALA GLU THR PRO THR SEQRES 16 A 312 LYS LYS LEU TRP SER TYR ASP ILE LYS GLY PRO ALA LYS SEQRES 17 A 312 ILE GLU ASN LYS LYS VAL TRP GLY HIS ILE PRO GLY THR SEQRES 18 A 312 HIS GLU GLY GLY ALA ASP GLY MET ASP PHE ASP GLU ASP SEQRES 19 A 312 ASN ASN LEU LEU VAL ALA ASN TYR GLY SER SER HIS ILE SEQRES 20 A 312 GLU VAL PHE GLY PRO ASP GLY GLY GLN PRO LYS MET ARG SEQRES 21 A 312 ILE ARG CYS PRO PHE GLU LYS PRO SER ASN LEU HIS PHE SEQRES 22 A 312 LYS PRO GLN THR LYS THR ILE PHE VAL THR GLU HIS GLU SEQRES 23 A 312 ASN ASN ALA VAL TRP LYS PHE GLU TRP GLN ARG ASN GLY SEQRES 24 A 312 LYS LYS GLN TYR CYS GLU THR LEU LYS PHE GLY ILE PHE HET CA A 401 1 HET CA A 402 1 HETNAM CA CALCIUM ION FORMUL 2 CA 2(CA 2+) FORMUL 4 HOH *305(H2 O) HELIX 1 1 GLN A 304 THR A 308 5 5 SHEET 1 A 5 VAL A 5 ILE A 6 0 SHEET 2 A 5 MET A 261 ARG A 264 1 O ARG A 264 N ILE A 6 SHEET 3 A 5 HIS A 248 PHE A 252 -1 N ILE A 249 O ILE A 263 SHEET 4 A 5 LEU A 239 TYR A 244 -1 N VAL A 241 O GLU A 250 SHEET 5 A 5 GLY A 227 PHE A 233 -1 N ASP A 232 O LEU A 240 SHEET 1 B 4 THR A 11 THR A 14 0 SHEET 2 B 4 ALA A 291 GLU A 296 -1 O LYS A 294 N THR A 11 SHEET 3 B 4 THR A 281 GLU A 286 -1 N ILE A 282 O PHE A 295 SHEET 4 B 4 PRO A 270 PHE A 275 -1 N SER A 271 O THR A 285 SHEET 1 C 4 GLU A 21 PHE A 25 0 SHEET 2 C 4 PHE A 31 ALA A 35 -1 O TYR A 32 N VAL A 24 SHEET 3 C 4 GLU A 47 ILE A 51 -1 O LEU A 49 N ILE A 33 SHEET 4 C 4 LYS A 58 CYS A 62 -1 O THR A 59 N ARG A 50 SHEET 1 D 2 GLU A 39 VAL A 40 0 SHEET 2 D 2 LYS A 43 PRO A 44 -1 O LYS A 43 N VAL A 40 SHEET 1 E 2 GLU A 65 VAL A 66 0 SHEET 2 E 2 TYR A 69 GLY A 70 -1 O TYR A 69 N VAL A 66 SHEET 1 F 4 PRO A 73 CYS A 78 0 SHEET 2 F 4 GLN A 84 ASP A 89 -1 O ALA A 88 N ALA A 74 SHEET 3 F 4 GLY A 93 GLN A 98 -1 O GLY A 93 N ASP A 89 SHEET 4 F 4 PHE A 103 GLU A 105 -1 O GLU A 104 N VAL A 96 SHEET 1 G 4 ASP A 121 PHE A 124 0 SHEET 2 G 4 LEU A 130 ALA A 134 -1 O TRP A 131 N ALA A 123 SHEET 3 G 4 GLY A 153 PHE A 158 -1 O SER A 154 N ALA A 134 SHEET 4 G 4 MET A 164 PHE A 171 -1 O ASP A 168 N ILE A 155 SHEET 1 H 4 PRO A 174 HIS A 181 0 SHEET 2 H 4 PRO A 187 GLU A 194 -1 O GLN A 189 N ARG A 180 SHEET 3 H 4 LYS A 199 GLY A 207 -1 O TRP A 201 N VAL A 192 SHEET 4 H 4 LYS A 210 HIS A 219 -1 O LYS A 210 N LYS A 206 LINK OE2 GLU A 21 CA CA A 401 1555 1555 2.48 LINK OD1 ASN A 120 CA CA A 401 1555 1555 2.41 LINK OD1 ASN A 175 CA CA A 401 1555 1555 2.44 LINK OD1 ASP A 229 CA CA A 401 1555 1555 2.44 LINK OD2 ASP A 232 CA CA A 402 1555 1555 2.38 LINK O LEU A 273 CA CA A 402 1555 1555 2.43 LINK ND1 HIS A 274 CA CA A 402 1555 1555 2.60 LINK CA CA A 401 O HOH A 502 1555 1555 2.56 LINK CA CA A 401 O HOH A 533 1555 1555 2.80 LINK CA CA A 401 O HOH A 672 1555 1555 2.53 LINK CA CA A 402 O HOH A 511 1555 1555 2.54 LINK CA CA A 402 O HOH A 683 1555 1555 2.50 LINK CA CA A 402 O HOH A 693 1555 1555 2.46 CISPEP 1 ALA A 140 PRO A 141 0 0.31 SITE 1 AC1 7 GLU A 21 ASN A 120 ASN A 175 ASP A 229 SITE 2 AC1 7 HOH A 502 HOH A 533 HOH A 672 SITE 1 AC2 6 ASP A 232 LEU A 273 HIS A 274 HOH A 511 SITE 2 AC2 6 HOH A 683 HOH A 693 CRYST1 42.901 81.696 86.246 90.00 90.00 90.00 P 21 21 21 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 0.023309 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012241 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011595 0.00000