HEADER HYDROLASE 12-SEP-05 2AZZ TITLE CRYSTAL STRUCTURE OF PORCINE PANCREATIC PHOSPHOLIPASE A2 IN COMPLEX TITLE 2 WITH TAUROCHOLATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2, MAJOR ISOENZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE, GROUP IB PHOSPHOLIPASE COMPND 5 A2; COMPND 6 EC: 3.1.1.4; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 GENE: PLA2G1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BILE SALT, TAUROCHOLATE, CARBOXYLIC ESTER HYDROLASE, PLA2, PANCEARTIC KEYWDS 2 ENZYME, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.H.PAN,B.J.BAHNSON,M.K.JAIN REVDAT 6 30-OCT-24 2AZZ 1 REMARK REVDAT 5 23-AUG-23 2AZZ 1 REMARK LINK REVDAT 4 13-JUL-11 2AZZ 1 VERSN REVDAT 3 24-FEB-09 2AZZ 1 VERSN REVDAT 2 22-MAY-07 2AZZ 1 JRNL REVDAT 1 14-NOV-06 2AZZ 0 JRNL AUTH Y.H.PAN,B.J.BAHNSON JRNL TITL STRUCTURAL BASIS FOR BILE SALT INHIBITION OF PANCREATIC JRNL TITL 2 PHOSPHOLIPASE A2. JRNL REF J.MOL.BIOL. V. 369 439 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17434532 JRNL DOI 10.1016/J.JMB.2007.03.034 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 453998.770 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.9 REMARK 3 NUMBER OF REFLECTIONS : 8649 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) : 0.199 REMARK 3 FREE R VALUE : 0.245 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.500 REMARK 3 FREE R VALUE TEST SET COUNT : 479 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 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 : 971 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 41 REMARK 3 SOLVENT ATOMS : 97 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.50 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) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.21 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) : 0.30 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.27 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) : 21.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.770 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 : 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : TCH.PAR 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 : TCH.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2AZZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-SEP-05. REMARK 100 THE DEPOSITION ID IS D_1000034503. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-OCT-04 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7.5 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE 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 : 9422 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 27.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : 0.05800 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 22.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.31100 REMARK 200 R SYM FOR SHELL (I) : 0.26400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.900 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: PDB ENTRY 2BO1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M CALCIUM CHLORIDE, 28% PEG 400, PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 21.86200 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 43.72400 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 43.72400 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 21.86200 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -155.0 KCAL/MOL 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 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 43.72400 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 ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 CA CA A 126 LIES ON A SPECIAL POSITION. REMARK 375 CA CA A 127 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 175 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 202 LIES ON A SPECIAL POSITION. 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 125 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 28 O REMARK 620 2 GLY A 30 O 85.9 REMARK 620 3 GLY A 32 O 89.5 82.4 REMARK 620 4 ASP A 49 OD1 100.5 158.5 77.3 REMARK 620 5 ASP A 49 OD2 109.2 145.4 127.1 51.3 REMARK 620 6 HOH A 144 O 77.8 71.4 151.4 129.9 81.4 REMARK 620 7 HOH A 189 O 169.3 85.2 95.1 89.9 75.6 93.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 127 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 62 O REMARK 620 2 LYS A 62 O 179.1 REMARK 620 3 CL A 129 CL 84.7 95.8 REMARK 620 4 CL A 129 CL 95.8 84.7 108.4 REMARK 620 5 CL A 130 CL 90.1 89.0 102.1 149.3 REMARK 620 6 CL A 130 CL 89.0 90.1 149.3 102.1 47.8 REMARK 620 7 HOH A 172 O 85.9 93.9 49.3 157.5 52.8 100.4 REMARK 620 8 HOH A 172 O 93.9 85.9 157.5 49.3 100.4 52.8 153.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 126 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 71 OE1 REMARK 620 2 GLU A 71 OE1 90.1 REMARK 620 3 SER A 72 O 88.1 168.2 REMARK 620 4 SER A 72 O 168.0 88.9 95.2 REMARK 620 5 GLU A 92 OE1 94.6 79.7 88.8 97.0 REMARK 620 6 GLU A 92 OE1 79.2 94.8 96.4 88.9 171.8 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 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 126 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 127 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 129 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 130 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TCH A 131 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AZY RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE PANCREATIC PHOSPHOLIPASE A2 IN COMPLEX REMARK 900 WITH CHOLATE REMARK 900 RELATED ID: 2B01 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE PANCREATIC PHOSPHOLIPASE A2 IN COMPLEX REMARK 900 WITH TAUROCHENODEOXYCHOLATE REMARK 900 RELATED ID: 2BO3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE PANCREATIC PHOSPHOLIPASE A2 IN COMPLEX REMARK 900 WITH TAUROCHENODEOXYCHOLATE REMARK 900 RELATED ID: 2B00 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE PANCREATIC PHOSPHOLIPASE A2 IN COMPLEX REMARK 900 WITH GLYCOCHOLATE REMARK 900 RELATED ID: 2B04 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF PORCINE PANCREATIC PHOSPHOLIPASE A2 IN COMPLEX REMARK 900 WITH GLYCOCHENODEOXYCHOLATE DBREF 2AZZ A 1 124 UNP P00592 PA21B_PIG 23 146 SEQRES 1 A 124 ALA LEU TRP GLN PHE ARG SER MET ILE LYS CYS ALA ILE SEQRES 2 A 124 PRO GLY SER HIS PRO LEU MET ASP PHE ASN ASN TYR GLY SEQRES 3 A 124 CYS TYR CYS GLY LEU GLY GLY SER GLY THR PRO VAL ASP SEQRES 4 A 124 GLU LEU ASP ARG CYS CYS GLU THR HIS ASP ASN CYS TYR SEQRES 5 A 124 ARG ASP ALA LYS ASN LEU ASP SER CYS LYS PHE LEU VAL SEQRES 6 A 124 ASP ASN PRO TYR THR GLU SER TYR SER TYR SER CYS SER SEQRES 7 A 124 ASN THR GLU ILE THR CYS ASN SER LYS ASN ASN ALA CYS SEQRES 8 A 124 GLU ALA PHE ILE CYS ASN CYS ASP ARG ASN ALA ALA ILE SEQRES 9 A 124 CYS PHE SER LYS ALA PRO TYR ASN LYS GLU HIS LYS ASN SEQRES 10 A 124 LEU ASP THR LYS LYS TYR CYS HET CA A 125 1 HET CA A 126 1 HET CA A 127 1 HET CL A 128 1 HET CL A 129 1 HET CL A 130 1 HET TCH A 131 35 HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION HETNAM TCH TAUROCHOLIC ACID FORMUL 2 CA 3(CA 2+) FORMUL 5 CL 3(CL 1-) FORMUL 8 TCH C26 H45 N O7 S FORMUL 9 HOH *97(H2 O) HELIX 1 1 ALA A 1 ILE A 13 1 13 HELIX 2 2 HIS A 17 ASN A 23 5 7 HELIX 3 3 ASP A 39 ASN A 57 1 19 HELIX 4 4 PHE A 63 GLU A 71 5 9 HELIX 5 5 ASN A 89 ALA A 109 1 21 HELIX 6 6 ASN A 112 LYS A 116 5 5 HELIX 7 7 ASP A 119 CYS A 124 1 6 SHEET 1 A 2 TYR A 75 SER A 78 0 SHEET 2 A 2 GLU A 81 CYS A 84 -1 O THR A 83 N SER A 76 SSBOND 1 CYS A 11 CYS A 77 1555 1555 2.03 SSBOND 2 CYS A 27 CYS A 124 1555 1555 2.03 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 44 CYS A 105 1555 1555 2.03 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.03 SSBOND 6 CYS A 61 CYS A 91 1555 1555 2.03 SSBOND 7 CYS A 84 CYS A 96 1555 1555 2.04 LINK O TYR A 28 CA CA A 125 1555 1555 2.33 LINK O GLY A 30 CA CA A 125 1555 1555 2.23 LINK O GLY A 32 CA CA A 125 1555 1555 2.50 LINK OD1 ASP A 49 CA CA A 125 1555 1555 2.38 LINK OD2 ASP A 49 CA CA A 125 1555 1555 2.64 LINK O LYS A 62 CA CA A 127 1555 1555 2.28 LINK O LYS A 62 CA CA A 127 5555 1555 2.28 LINK OE1 GLU A 71 CA CA A 126 1555 1555 2.37 LINK OE1 GLU A 71 CA CA A 126 5555 1555 2.35 LINK O SER A 72 CA CA A 126 1555 1555 2.32 LINK O SER A 72 CA CA A 126 5555 1555 2.30 LINK OE1 GLU A 92 CA CA A 126 1555 1555 2.39 LINK OE1 GLU A 92 CA CA A 126 5555 1555 2.40 LINK CA CA A 125 O HOH A 144 1555 1555 2.28 LINK CA CA A 125 O HOH A 189 1555 1555 2.39 LINK CA CA A 127 CL CL A 129 1555 1555 3.01 LINK CA CA A 127 CL CL A 129 1555 5555 3.01 LINK CA CA A 127 CL CL A 130 1555 1555 2.86 LINK CA CA A 127 CL CL A 130 1555 5555 2.86 LINK CA CA A 127 O HOH A 172 1555 1555 3.04 LINK CA CA A 127 O HOH A 172 1555 5555 3.04 SITE 1 AC1 6 TYR A 28 GLY A 30 GLY A 32 ASP A 49 SITE 2 AC1 6 HOH A 144 HOH A 189 SITE 1 AC2 3 GLU A 71 SER A 72 GLU A 92 SITE 1 AC3 4 LYS A 62 CL A 129 CL A 130 HOH A 172 SITE 1 AC4 4 GLY A 30 ARG A 43 TYR A 69 HOH A 144 SITE 1 AC5 3 LYS A 62 CA A 127 HOH A 172 SITE 1 AC6 3 LYS A 62 CA A 127 HOH A 172 SITE 1 AC7 10 ARG A 6 ILE A 9 MET A 20 ASP A 21 SITE 2 AC7 10 ASN A 23 TYR A 25 HOH A 180 HOH A 193 SITE 3 AC7 10 HOH A 199 HOH A 200 CRYST1 68.650 68.650 65.586 90.00 90.00 120.00 P 31 2 1 6 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 0.014567 0.008410 0.000000 0.00000 SCALE2 0.000000 0.016820 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015247 0.00000