PDB Short entry for 1LE7 HEADER HYDROLASE 09-APR-02 1LE7 TITLE CARBOXYLIC ESTER HYDROLASE, C 2 2 21 SPACE GROUP COMPND MOL_ID: 1; COMPND 2 MOLECULE: GROUP X SECRETORY PHOSPHOLIPASE A2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE GX, GX SPLA2, SPLA2-X; COMPND 5 EC: 3.1.1.4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: PLA2GX10; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HUMAN PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE GX, GX SPLA2, SPLA2-X, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.H.PAN,M.K.JAIN,B.J.BAHNSON REVDAT 4 16-AUG-23 1LE7 1 REMARK LINK REVDAT 3 24-FEB-09 1LE7 1 VERSN REVDAT 2 01-APR-03 1LE7 1 JRNL REVDAT 1 14-AUG-02 1LE7 0 JRNL AUTH Y.H.PAN,B.Z.YU,A.G.SINGER,F.GHOMASHCHI,G.LAMBEAU,M.H.GELB, JRNL AUTH 2 M.K.JAIN,B.J.BAHNSON JRNL TITL CRYSTAL STRUCTURE OF HUMAN GROUP X SECRETED PHOSPHOLIPASE JRNL TITL 2 A2. ELECTROSTATICALLY NEUTRAL INTERFACIAL SURFACE TARGETS JRNL TITL 3 ZWITTERIONIC MEMBRANES. JRNL REF J.BIOL.CHEM. V. 277 29086 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 12161451 JRNL DOI 10.1074/JBC.M202531200 REMARK 2 REMARK 2 RESOLUTION. 2.09 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 2.09 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.51 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 440075.020 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.6 REMARK 3 NUMBER OF REFLECTIONS : 14657 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) : 0.211 REMARK 3 FREE R VALUE : 0.252 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 711 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) : 2.09 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.22 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 61.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1680 REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 REMARK 3 BIN FREE R VALUE : 0.2670 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 88 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.029 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1890 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 42 REMARK 3 SOLVENT ATOMS : 210 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.87000 REMARK 3 B22 (A**2) : -2.72000 REMARK 3 B33 (A**2) : -2.15000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.19 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) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.26 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.830 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) : 0.980 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.620 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.600 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.400 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 44.81 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 1LE7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-APR-02. REMARK 100 THE DEPOSITION ID IS D_1000015872. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-AUG-01 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 2 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19092 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 24.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.8 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.300 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: 1LE6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3500, MPD, ETHYLENE GLYCOL, MJ33, REMARK 280 CALCIUM CHLORIDE, HEPES BUFFER, PH 7.4, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 14.04300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 14.04300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 69.52900 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 72.54900 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 69.52900 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 72.54900 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 14.04300 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 69.52900 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 72.54900 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 14.04300 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 69.52900 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 72.54900 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE AT SPECIAL POSITIONS. REMARK 375 ATOM RES CSSEQI REMARK 375 HOH 212 LIES ON A SPECIAL POSITION. REMARK 375 HOH 213 LIES ON A SPECIAL POSITION. REMARK 375 HOH 214 LIES ON A SPECIAL POSITION. 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 LEU B 29 126.20 -31.91 REMARK 500 SER B 59 79.47 -117.67 REMARK 500 GLU B 116 154.31 -49.89 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 IN SUBUNIT A, HOH 1 IS THE N-TERMINAL ASSOCIATED REMARK 600 WATER; 5 AND 12 ARE CALCIUM COORDINATED WATERS; REMARK 600 6 IS THE PUTATIVE CATALYTIC ASSISTED WATER. 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 215 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PHE A 26 O REMARK 620 2 GLY A 28 O 87.5 REMARK 620 3 GLY A 30 O 92.2 64.9 REMARK 620 4 ASP A 47 OD2 104.1 159.0 130.7 REMARK 620 5 ASP A 47 OD1 91.8 149.7 85.0 49.0 REMARK 620 6 HOH A 226 O 81.3 83.0 147.6 81.5 126.7 REMARK 620 7 HOH A 233 O 175.5 92.1 83.5 77.8 86.4 103.1 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 216 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PHE B 26 O REMARK 620 2 GLY B 28 O 80.6 REMARK 620 3 GLY B 30 O 80.8 54.5 REMARK 620 4 ASP B 47 OD1 75.9 139.2 88.8 REMARK 620 5 ASP B 47 OD2 91.2 166.8 134.6 46.2 REMARK 620 6 HOH B 226 O 80.1 87.3 139.6 120.2 81.1 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 CA A 215 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 216 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 217 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 218 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 219 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 220 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 221 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LE6 RELATED DB: PDB REMARK 900 THE SAME PROTEIN CRYSTALLIZED UNDER DIFFERENT CONDITIONS AND OF REMARK 900 DIFFERENT CRYSTAL FORM (P 1 21 1). DBREF 1LE7 A 1 123 UNP O15496 PA2GX_HUMAN 33 155 DBREF 1LE7 B 1 123 UNP O15496 PA2GX_HUMAN 33 155 SEQRES 1 A 123 GLY ILE LEU GLU LEU ALA GLY THR VAL GLY CYS VAL GLY SEQRES 2 A 123 PRO ARG THR PRO ILE ALA TYR MET LYS TYR GLY CYS PHE SEQRES 3 A 123 CYS GLY LEU GLY GLY HIS GLY GLN PRO ARG ASP ALA ILE SEQRES 4 A 123 ASP TRP CYS CYS HIS GLY HIS ASP CYS CYS TYR THR ARG SEQRES 5 A 123 ALA GLU GLU ALA GLY CYS SER PRO LYS THR GLU ARG TYR SEQRES 6 A 123 SER TRP GLN CYS VAL ASN GLN SER VAL LEU CYS GLY PRO SEQRES 7 A 123 ALA GLU ASN LYS CYS GLN GLU LEU LEU CYS LYS CYS ASP SEQRES 8 A 123 GLN GLU ILE ALA ASN CYS LEU ALA GLN THR GLU TYR ASN SEQRES 9 A 123 LEU LYS TYR LEU PHE TYR PRO GLN PHE LEU CYS GLU PRO SEQRES 10 A 123 ASP SER PRO LYS CYS ASP SEQRES 1 B 123 GLY ILE LEU GLU LEU ALA GLY THR VAL GLY CYS VAL GLY SEQRES 2 B 123 PRO ARG THR PRO ILE ALA TYR MET LYS TYR GLY CYS PHE SEQRES 3 B 123 CYS GLY LEU GLY GLY HIS GLY GLN PRO ARG ASP ALA ILE SEQRES 4 B 123 ASP TRP CYS CYS HIS GLY HIS ASP CYS CYS TYR THR ARG SEQRES 5 B 123 ALA GLU GLU ALA GLY CYS SER PRO LYS THR GLU ARG TYR SEQRES 6 B 123 SER TRP GLN CYS VAL ASN GLN SER VAL LEU CYS GLY PRO SEQRES 7 B 123 ALA GLU ASN LYS CYS GLN GLU LEU LEU CYS LYS CYS ASP SEQRES 8 B 123 GLN GLU ILE ALA ASN CYS LEU ALA GLN THR GLU TYR ASN SEQRES 9 B 123 LEU LYS TYR LEU PHE TYR PRO GLN PHE LEU CYS GLU PRO SEQRES 10 B 123 ASP SER PRO LYS CYS ASP HET CA A 215 1 HET MPD A 217 8 HET MPD A 218 8 HET MPD A 221 8 HET CA B 216 1 HET MPD B 219 8 HET MPD B 220 8 HETNAM CA CALCIUM ION HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL FORMUL 3 CA 2(CA 2+) FORMUL 4 MPD 5(C6 H14 O2) FORMUL 10 HOH *210(H2 O) HELIX 1 1 GLY A 1 GLY A 13 1 13 HELIX 2 2 THR A 16 MET A 21 5 6 HELIX 3 3 ASP A 37 ALA A 56 1 20 HELIX 4 4 ASN A 81 GLN A 100 1 20 HELIX 5 5 ASN A 104 LEU A 108 5 5 HELIX 6 6 PRO A 111 CYS A 115 5 5 HELIX 7 7 GLY B 1 GLY B 13 1 13 HELIX 8 8 THR B 16 MET B 21 5 6 HELIX 9 9 ASP B 37 ALA B 56 1 20 HELIX 10 10 ASN B 81 ALA B 99 1 19 HELIX 11 11 ASN B 104 LEU B 108 5 5 HELIX 12 12 PRO B 111 CYS B 115 5 5 SHEET 1 A 2 TRP A 67 VAL A 70 0 SHEET 2 A 2 SER A 73 CYS A 76 -1 O SER A 73 N VAL A 70 SHEET 1 B 2 TRP B 67 CYS B 69 0 SHEET 2 B 2 VAL B 74 CYS B 76 -1 O LEU B 75 N GLN B 68 SSBOND 1 CYS A 11 CYS A 69 1555 1555 2.03 SSBOND 2 CYS A 25 CYS A 115 1555 1555 2.04 SSBOND 3 CYS A 27 CYS A 43 1555 1555 2.03 SSBOND 4 CYS A 42 CYS A 97 1555 1555 2.04 SSBOND 5 CYS A 48 CYS A 122 1555 1555 2.03 SSBOND 6 CYS A 49 CYS A 90 1555 1555 2.04 SSBOND 7 CYS A 58 CYS A 83 1555 1555 2.03 SSBOND 8 CYS A 76 CYS A 88 1555 1555 2.03 SSBOND 9 CYS B 11 CYS B 69 1555 1555 2.04 SSBOND 10 CYS B 25 CYS B 115 1555 1555 2.03 SSBOND 11 CYS B 27 CYS B 43 1555 1555 2.03 SSBOND 12 CYS B 42 CYS B 97 1555 1555 2.04 SSBOND 13 CYS B 48 CYS B 122 1555 1555 2.03 SSBOND 14 CYS B 49 CYS B 90 1555 1555 2.03 SSBOND 15 CYS B 58 CYS B 83 1555 1555 2.03 SSBOND 16 CYS B 76 CYS B 88 1555 1555 2.03 LINK O PHE A 26 CA CA A 215 1555 1555 2.50 LINK O GLY A 28 CA CA A 215 1555 1555 2.60 LINK O GLY A 30 CA CA A 215 1555 1555 2.63 LINK OD2 ASP A 47 CA CA A 215 1555 1555 2.66 LINK OD1 ASP A 47 CA CA A 215 1555 1555 2.63 LINK CA CA A 215 O HOH A 226 1555 1555 2.63 LINK CA CA A 215 O HOH A 233 1555 1555 2.70 LINK O PHE B 26 CA CA B 216 1555 1555 2.77 LINK O GLY B 28 CA CA B 216 1555 1555 2.71 LINK O GLY B 30 CA CA B 216 1555 1555 2.84 LINK OD1 ASP B 47 CA CA B 216 1555 1555 2.85 LINK OD2 ASP B 47 CA CA B 216 1555 1555 2.75 LINK CA CA B 216 O HOH B 226 1555 1555 2.76 CISPEP 1 GLY A 13 PRO A 14 0 0.41 CISPEP 2 GLY A 77 PRO A 78 0 -0.21 CISPEP 3 GLY B 77 PRO B 78 0 -0.06 SITE 1 AC1 6 PHE A 26 GLY A 28 GLY A 30 ASP A 47 SITE 2 AC1 6 HOH A 226 HOH A 233 SITE 1 AC2 5 PHE B 26 GLY B 28 GLY B 30 ASP B 47 SITE 2 AC2 5 HOH B 226 SITE 1 AC3 4 MET A 21 GLY A 28 LEU A 29 MPD A 218 SITE 1 AC4 8 ILE A 2 ALA A 6 PRO A 17 ILE A 18 SITE 2 AC4 8 MET A 21 MPD A 217 HOH A 369 PHE B 113 SITE 1 AC5 5 MET B 21 GLY B 28 LEU B 29 HOH B 226 SITE 2 AC5 5 HOH B 249 SITE 1 AC6 3 ILE B 2 PRO B 17 TYR B 20 SITE 1 AC7 5 CYS A 58 ASN A 81 LYS A 82 GLU A 85 SITE 2 AC7 5 HOH A 307 CRYST1 139.058 145.098 28.086 90.00 90.00 90.00 C 2 2 21 16 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 0.007191 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006892 0.000000 0.00000 SCALE3 0.000000 0.000000 0.035605 0.00000