PDB Short entry for 1KQU HEADER HYDROLASE 07-JAN-02 1KQU TITLE HUMAN PHOSPHOLIPASE A2 COMPLEXED WITH A SUBSTRATE ANOLOGUE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2, MEMBRANE ASSOCIATED; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE, GROUP IIA PHOSPHOLIPASE COMPND 5 A2, GIIC SPLA2, NON-PANCREATIC SECRETORY PHOSPHOLIPASE A2, NPS-PLA2; COMPND 6 EC: 3.1.1.4; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PHOSPHOLIPASE A2, INHIBITOR, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.D.TYNDALL,J.L.MARTIN REVDAT 4 16-AUG-23 1KQU 1 REMARK LINK REVDAT 3 24-FEB-09 1KQU 1 VERSN REVDAT 2 28-FEB-06 1KQU 1 JRNL REVDAT 1 11-NOV-03 1KQU 0 JRNL AUTH K.A.HANSFORD,R.C.REID,C.I.CLARK,J.D.TYNDALL,M.W.WHITEHOUSE, JRNL AUTH 2 T.GUTHRIE,R.P.MCGEARY,K.SCHAFER,J.L.MARTIN,D.P.FAIRLIE JRNL TITL D-TYROSINE AS A CHIRAL PRECUSOR TO POTENT INHIBITORS OF JRNL TITL 2 HUMAN NONPANCREATIC SECRETORY PHOSPHOLIPASE A2 (IIA) WITH JRNL TITL 3 ANTIINFLAMMATORY ACTIVITY. JRNL REF CHEMBIOCHEM V. 4 181 2003 JRNL REFN ISSN 1439-4227 JRNL PMID 12616631 JRNL DOI 10.1002/CBIC.200390029 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.A.HANSFORD,R.C.REID,C.I.CLARK,J.D.TYNDALL,M.W.WHITEHOUSE, REMARK 1 AUTH 2 T.GUTHRIE,R.P.MCGEARY,K.SCHAFER,J.L.MARTIN,D.P.FAIRLIE REMARK 1 TITL D-TYROSINE AS A CHIRAL PRECUSOR TO POTENT INHIBITORS OF REMARK 1 TITL 2 HUMAN NONPANCREATIC SECRETORY PHOSPHOLIPASE A2 (IIA) WITH REMARK 1 TITL 3 ANTIINFLAMMATORY ACTIVITY REMARK 1 REF CHEMBIOCHEM V. 4 181 2003 REMARK 1 REFN ISSN 1439-4227 REMARK 1 DOI 10.1002/CBIC.200390029 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 9218 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 : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.400 REMARK 3 FREE R VALUE TEST SET COUNT : 955 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1318 REMARK 3 BIN R VALUE (WORKING SET) : 0.2760 REMARK 3 BIN FREE R VALUE : 0.2950 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 149 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.024 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 942 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 75 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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) : 0.27 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) : 0.29 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.27 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.010 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) : 1.360 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.290 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.230 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.370 ; 2.500 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 1KQU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JAN-02. REMARK 100 THE DEPOSITION ID IS D_1000015245. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-JAN-99 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.8 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9218 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.8 REMARK 200 DATA REDUNDANCY : 5.930 REMARK 200 R MERGE (I) : 0.09100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.34600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.180 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1POD REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, CALCIUM CHLORIDE, PH REMARK 280 7.8, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 31.15333 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 62.30667 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 46.73000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 77.88333 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 15.57667 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 31.15333 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 62.30667 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 77.88333 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 46.73000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 15.57667 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 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 HOH A 268 LIES ON A SPECIAL POSITION. REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 56 CG CD CE NZ REMARK 470 ARG A 74 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 79 CG CD CE NZ REMARK 470 LYS A 108 CG CD CE NZ REMARK 470 ARG A 123 CG CD NE CZ NH1 NH2 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 THR A 61 -90.38 -132.23 REMARK 500 SER A 71 64.83 -109.43 REMARK 500 LYS A 79 -74.37 -31.33 REMARK 500 GLN A 80 165.39 27.70 REMARK 500 TYR A 111 56.61 -115.90 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 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PHE A 23 O REMARK 620 2 GLY A 25 O 93.2 REMARK 620 3 TYR A 112 O 89.5 90.8 REMARK 620 4 ASN A 114 OD1 173.1 86.0 97.3 REMARK 620 5 HOH A 225 O 88.1 177.0 91.9 92.4 REMARK 620 6 HOH A 232 O 82.4 86.3 171.2 90.7 91.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 27 O REMARK 620 2 GLY A 29 O 93.9 REMARK 620 3 GLY A 31 O 86.1 81.8 REMARK 620 4 ASP A 48 OD1 94.9 146.4 131.1 REMARK 620 5 ASP A 48 OD2 93.1 161.6 81.8 49.3 REMARK 620 6 BR4 A 501 O1 84.7 75.3 154.6 73.3 122.3 REMARK 620 7 BR4 A 501 O2 171.6 85.2 85.5 90.4 85.4 103.1 REMARK 620 N 1 2 3 4 5 6 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR4 A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1D4K RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH A MACROCYCLIC PEPTIDOMIMETIC INHIBITOR REMARK 900 RELATED ID: 1D4L RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH A MACROCYCLIC PEPTIDOMIMETIC INHIBITOR REMARK 900 RELATED ID: 1KQT RELATED DB: PDB REMARK 900 HIV-1 PROTEASE COMPLEXED WITH A MACROCYCLIC PEPTIDOMIMETIC INHIBITOR DBREF 1KQU A 1 124 UNP P14555 PA2GA_HUMAN 21 144 SEQRES 1 A 124 ASN LEU VAL ASN PHE HIS ARG MET ILE LYS LEU THR THR SEQRES 2 A 124 GLY LYS GLU ALA ALA LEU SER TYR GLY PHE TYR GLY CYS SEQRES 3 A 124 HIS CYS GLY VAL GLY GLY ARG GLY SER PRO LYS ASP ALA SEQRES 4 A 124 THR ASP ARG CYS CYS VAL THR HIS ASP CYS CYS TYR LYS SEQRES 5 A 124 ARG LEU GLU LYS ARG GLY CYS GLY THR LYS PHE LEU SER SEQRES 6 A 124 TYR LYS PHE SER ASN SER GLY SER ARG ILE THR CYS ALA SEQRES 7 A 124 LYS GLN ASP SER CYS ARG SER GLN LEU CYS GLU CYS ASP SEQRES 8 A 124 LYS ALA ALA ALA THR CYS PHE ALA ARG ASN LYS THR THR SEQRES 9 A 124 TYR ASN LYS LYS TYR GLN TYR TYR SER ASN LYS HIS CYS SEQRES 10 A 124 ARG GLY SER THR PRO ARG CYS HET CA A 301 1 HET CA A 302 1 HET BR4 A 501 29 HETNAM CA CALCIUM ION HETNAM BR4 6-PHENYL-4(R)-(7-PHENYL-HEPTANOYLAMINO)-HEXANOIC ACID FORMUL 2 CA 2(CA 2+) FORMUL 4 BR4 C25 H33 N O3 FORMUL 5 HOH *75(H2 O) HELIX 1 1 ASN A 1 GLY A 14 1 14 HELIX 2 2 GLU A 16 TYR A 21 1 6 HELIX 3 3 ASP A 38 ARG A 57 1 20 HELIX 4 4 ASP A 81 ASN A 101 1 21 HELIX 5 5 LYS A 102 TYR A 105 5 4 HELIX 6 6 SER A 113 CYS A 117 5 5 SHEET 1 A 2 PHE A 68 ASN A 70 0 SHEET 2 A 2 ILE A 75 CYS A 77 -1 O THR A 76 N SER A 69 SSBOND 1 CYS A 26 CYS A 117 1555 1555 2.02 SSBOND 2 CYS A 28 CYS A 44 1555 1555 2.02 SSBOND 3 CYS A 43 CYS A 97 1555 1555 2.02 SSBOND 4 CYS A 49 CYS A 124 1555 1555 2.03 SSBOND 5 CYS A 50 CYS A 90 1555 1555 2.03 SSBOND 6 CYS A 59 CYS A 83 1555 1555 2.03 SSBOND 7 CYS A 77 CYS A 88 1555 1555 2.03 LINK O PHE A 23 CA CA A 302 1555 1555 2.56 LINK O GLY A 25 CA CA A 302 1555 1555 2.45 LINK O HIS A 27 CA CA A 301 1555 1555 2.40 LINK O GLY A 29 CA CA A 301 1555 1555 2.46 LINK O GLY A 31 CA CA A 301 1555 1555 2.45 LINK OD1 ASP A 48 CA CA A 301 1555 1555 2.69 LINK OD2 ASP A 48 CA CA A 301 1555 1555 2.53 LINK O TYR A 112 CA CA A 302 1555 1555 2.46 LINK OD1 ASN A 114 CA CA A 302 1555 1555 2.45 LINK O HOH A 225 CA CA A 302 1555 1555 2.45 LINK O HOH A 232 CA CA A 302 1555 1555 2.33 LINK CA CA A 301 O1 BR4 A 501 1555 1555 2.48 LINK CA CA A 301 O2 BR4 A 501 1555 1555 2.47 SITE 1 AC1 5 HIS A 27 GLY A 29 GLY A 31 ASP A 48 SITE 2 AC1 5 BR4 A 501 SITE 1 AC2 6 PHE A 23 GLY A 25 TYR A 112 ASN A 114 SITE 2 AC2 6 HOH A 225 HOH A 232 SITE 1 AC3 15 LEU A 2 ALA A 17 LEU A 19 TYR A 21 SITE 2 AC3 15 PHE A 23 HIS A 27 GLY A 29 VAL A 30 SITE 3 AC3 15 GLY A 31 HIS A 47 ASP A 48 TYR A 51 SITE 4 AC3 15 HOH A 243 HOH A 253 CA A 301 CRYST1 76.550 76.550 93.460 90.00 90.00 120.00 P 61 2 2 12 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 0.013063 0.007542 0.000000 0.00000 SCALE2 0.000000 0.015084 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010700 0.00000