HEADER MUSCLE CONTRACTION 19-SEP-97 1AVS TITLE X-RAY CRYSTALLOGRAPHIC STUDY OF CALCIUM-SATURATED N-TERMINAL DOMAIN OF TITLE 2 TROPONIN C COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: N-TERMINAL DOMAIN, RESIDUES 1 - 90; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 TISSUE: BREAST; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MUSCLE CONTRACTION, CALCIUM-ACTIVATED, TROPONIN, E-F HAND CALCIUM- KEYWDS 2 BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR N.C.J.STRYNADKA,M.N.G.JAMES REVDAT 4 22-MAY-24 1AVS 1 REMARK REVDAT 3 02-AUG-23 1AVS 1 REMARK LINK REVDAT 2 24-FEB-09 1AVS 1 VERSN REVDAT 1 24-DEC-97 1AVS 0 JRNL AUTH N.C.STRYNADKA,M.CHERNEY,A.R.SIELECKI,M.X.LI,L.B.SMILLIE, JRNL AUTH 2 M.N.JAMES JRNL TITL STRUCTURAL DETAILS OF A CALCIUM-INDUCED MOLECULAR SWITCH: JRNL TITL 2 X-RAY CRYSTALLOGRAPHIC ANALYSIS OF THE CALCIUM-SATURATED JRNL TITL 3 N-TERMINAL DOMAIN OF TROPONIN C AT 1.75 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 273 238 1997 JRNL REFN ISSN 0022-2836 JRNL PMID 9367759 JRNL DOI 10.1006/JMBI.1997.1257 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT 5D REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 18010 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.220 REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1801 REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.2200 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.2140 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.00 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1801 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 18010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1263 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 93 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 30.400 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.016 ; 0.900 ; 1340 REMARK 3 BOND ANGLES (DEGREES) : 2.900 ; 1.100 ; 1789 REMARK 3 TORSION ANGLES (DEGREES) : 18.460; 0.000 ; 840 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.015 ; 1.200 ; 54 REMARK 3 GENERAL PLANES (A) : 0.015 ; 3.000 ; 187 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 2.600 ; 0.300 ; 1340 REMARK 3 NON-BONDED CONTACTS (A) : 0.038 ; 12.000; 48 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : BABINET SCALING REMARK 3 KSOL : 0.75 REMARK 3 BSOL : 300.0 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL V1.0 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AVS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171317. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NOV-95 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.009 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NO MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18010 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.0 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : 0.10400 REMARK 200 FOR THE DATA SET : 15.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.05000 REMARK 200 R SYM FOR SHELL (I) : 0.28000 REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT AND REMARK 200 MIR REMARK 200 SOFTWARE USED: AMORE, MLPHARE REMARK 200 STARTING MODEL: PDB ENTRY 4TNC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 72 % AMMONIUM SULFATE 100 MM TRIS 2 % REMARK 280 MPD, 5 MM CALCIUM CHLORIDE PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 40.79000 REMARK 290 SMTRY3 2 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 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 ALA A 1 REMARK 465 SER A 2 REMARK 465 MET A 3 REMARK 465 THR A 4 REMARK 465 ASP A 5 REMARK 465 GLN A 6 REMARK 465 GLU A 88 REMARK 465 ASP A 89 REMARK 465 ALA A 90 REMARK 465 ALA B 1 REMARK 465 SER B 2 REMARK 465 MET B 3 REMARK 465 THR B 4 REMARK 465 ASP B 5 REMARK 465 GLU B 88 REMARK 465 ASP B 89 REMARK 465 ALA B 90 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 9 CD GLU A 9 OE1 0.068 REMARK 500 GLU A 16 CD GLU A 16 OE2 0.089 REMARK 500 GLU A 17 CD GLU A 17 OE2 0.084 REMARK 500 GLU A 21 CD GLU A 21 OE1 0.080 REMARK 500 GLU A 56 CD GLU A 56 OE2 0.073 REMARK 500 GLU A 57 CD GLU A 57 OE2 0.066 REMARK 500 GLU A 63 CD GLU A 63 OE1 0.079 REMARK 500 GLU B 9 CD GLU B 9 OE2 0.078 REMARK 500 GLU B 16 CD GLU B 16 OE1 0.087 REMARK 500 GLU B 17 CD GLU B 17 OE2 0.075 REMARK 500 GLU B 21 CD GLU B 21 OE2 0.074 REMARK 500 GLU B 41 CD GLU B 41 OE2 0.077 REMARK 500 GLU B 56 CD GLU B 56 OE1 0.071 REMARK 500 GLU B 57 CD GLU B 57 OE2 0.073 REMARK 500 GLU B 64 CD GLU B 64 OE2 0.069 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 27 CB - CG - OD1 ANGL. DEV. = 7.6 DEGREES REMARK 500 ASP A 32 CB - CG - OD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 THR A 44 CA - CB - CG2 ANGL. DEV. = -10.4 DEGREES REMARK 500 GLU A 56 CB - CA - C ANGL. DEV. = -16.5 DEGREES REMARK 500 ASP A 59 CB - CG - OD1 ANGL. DEV. = 6.7 DEGREES REMARK 500 ASP A 59 CB - CG - OD2 ANGL. DEV. = -8.8 DEGREES REMARK 500 ASP A 74 CB - CG - OD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 ASP B 59 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP B 59 CB - CG - OD2 ANGL. DEV. = -7.6 DEGREES 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 93 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 30 OD1 REMARK 620 2 ASP A 32 OD1 81.0 REMARK 620 3 ASP A 36 O 83.0 149.3 REMARK 620 4 GLU A 41 OE2 98.6 79.7 128.8 REMARK 620 5 GLU A 41 OE1 103.4 131.3 78.0 51.6 REMARK 620 6 HOH A 95 O 100.5 81.4 75.9 150.6 141.9 REMARK 620 7 HOH A 96 O 169.7 88.9 104.9 81.8 85.1 75.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 94 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 66 OD1 REMARK 620 2 ASP A 68 OD1 83.4 REMARK 620 3 SER A 70 OG 88.3 80.3 REMARK 620 4 THR A 72 O 89.5 155.9 76.5 REMARK 620 5 GLU A 77 OE1 112.1 129.0 144.5 75.0 REMARK 620 6 GLU A 77 OE2 91.2 79.5 159.7 123.8 53.1 REMARK 620 7 HOH A 102 O 161.3 78.9 82.9 104.4 84.1 91.4 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 93 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 30 OD1 REMARK 620 2 ASP B 32 OD1 81.7 REMARK 620 3 ASP B 36 O 83.1 150.6 REMARK 620 4 GLU B 41 OE2 99.3 77.6 129.8 REMARK 620 5 GLU B 41 OE1 104.1 131.5 76.7 53.9 REMARK 620 6 HOH B 115 O 97.3 81.4 75.9 150.9 142.6 REMARK 620 7 HOH B 144 O 176.4 95.1 99.0 81.7 79.3 80.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 94 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 66 OD1 REMARK 620 2 ASP B 68 OD1 77.6 REMARK 620 3 SER B 70 OG 87.6 79.1 REMARK 620 4 THR B 72 O 90.2 152.1 75.3 REMARK 620 5 GLU B 77 OE1 114.4 129.8 145.4 78.1 REMARK 620 6 GLU B 77 OE2 89.5 78.0 157.1 127.4 54.8 REMARK 620 7 HOH B 122 O 159.5 83.4 81.3 103.4 83.8 94.1 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 93 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 94 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 93 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 94 DBREF 1AVS A 1 90 UNP P02588 TNNC2_CHICK 1 90 DBREF 1AVS B 1 90 UNP P02588 TNNC2_CHICK 1 90 SEQRES 1 A 90 ALA SER MET THR ASP GLN GLN ALA GLU ALA ARG ALA PHE SEQRES 2 A 90 LEU SER GLU GLU MET ILE ALA GLU PHE LYS ALA ALA PHE SEQRES 3 A 90 ASP MET PHE ASP ALA ASP GLY GLY GLY ASP ILE SER THR SEQRES 4 A 90 LYS GLU LEU GLY THR VAL MET ARG MET LEU GLY GLN ASN SEQRES 5 A 90 PRO THR LYS GLU GLU LEU ASP ALA ILE ILE GLU GLU VAL SEQRES 6 A 90 ASP GLU ASP GLY SER GLY THR ILE ASP PHE GLU GLU PHE SEQRES 7 A 90 LEU VAL MET MET VAL ARG GLN MET LYS GLU ASP ALA SEQRES 1 B 90 ALA SER MET THR ASP GLN GLN ALA GLU ALA ARG ALA PHE SEQRES 2 B 90 LEU SER GLU GLU MET ILE ALA GLU PHE LYS ALA ALA PHE SEQRES 3 B 90 ASP MET PHE ASP ALA ASP GLY GLY GLY ASP ILE SER THR SEQRES 4 B 90 LYS GLU LEU GLY THR VAL MET ARG MET LEU GLY GLN ASN SEQRES 5 B 90 PRO THR LYS GLU GLU LEU ASP ALA ILE ILE GLU GLU VAL SEQRES 6 B 90 ASP GLU ASP GLY SER GLY THR ILE ASP PHE GLU GLU PHE SEQRES 7 B 90 LEU VAL MET MET VAL ARG GLN MET LYS GLU ASP ALA HET CA A 93 1 HET CA A 94 1 HET CA B 93 1 HET CA B 94 1 HETNAM CA CALCIUM ION FORMUL 3 CA 4(CA 2+) FORMUL 7 HOH *93(H2 O) HELIX 1 1 ALA A 10 PHE A 13 1 4 HELIX 2 2 GLU A 16 PHE A 29 1 14 HELIX 3 3 THR A 39 MET A 48 1 10 HELIX 4 4 LYS A 55 VAL A 65 1 11 HELIX 5 5 PHE A 75 VAL A 83 1 9 HELIX 6 6 ALA B 8 PHE B 13 1 6 HELIX 7 7 GLU B 16 PHE B 29 1 14 HELIX 8 8 THR B 39 MET B 48 1 10 HELIX 9 9 LYS B 55 VAL B 65 1 11 HELIX 10 10 PHE B 75 GLN B 85 1 11 SHEET 1 A 2 ASP A 36 ILE A 37 0 SHEET 2 A 2 ILE A 73 ASP A 74 -1 N ILE A 73 O ILE A 37 SHEET 1 B 2 ASP B 36 ILE B 37 0 SHEET 2 B 2 ILE B 73 ASP B 74 -1 O ILE B 73 N ILE B 37 LINK OD1 ASP A 30 CA CA A 93 1555 1555 2.23 LINK OD1 ASP A 32 CA CA A 93 1555 1555 2.37 LINK O ASP A 36 CA CA A 93 1555 1555 2.37 LINK OE2 GLU A 41 CA CA A 93 1555 1555 2.60 LINK OE1 GLU A 41 CA CA A 93 1555 1555 2.54 LINK OD1 ASP A 66 CA CA A 94 1555 1555 2.26 LINK OD1 ASP A 68 CA CA A 94 1555 1555 2.34 LINK OG SER A 70 CA CA A 94 1555 1555 2.59 LINK O THR A 72 CA CA A 94 1555 1555 2.59 LINK OE1 GLU A 77 CA CA A 94 1555 1555 2.37 LINK OE2 GLU A 77 CA CA A 94 1555 1555 2.43 LINK CA CA A 93 O HOH A 95 1555 1555 2.24 LINK CA CA A 93 O HOH A 96 1555 1555 2.29 LINK CA CA A 94 O HOH A 102 1555 1555 2.46 LINK OD1 ASP B 30 CA CA B 93 1555 1555 2.18 LINK OD1 ASP B 32 CA CA B 93 1555 1555 2.29 LINK O ASP B 36 CA CA B 93 1555 1555 2.41 LINK OE2 GLU B 41 CA CA B 93 1555 1555 2.51 LINK OE1 GLU B 41 CA CA B 93 1555 1555 2.51 LINK OD1 ASP B 66 CA CA B 94 1555 1555 2.27 LINK OD1 ASP B 68 CA CA B 94 1555 1555 2.42 LINK OG SER B 70 CA CA B 94 1555 1555 2.52 LINK O THR B 72 CA CA B 94 1555 1555 2.51 LINK OE1 GLU B 77 CA CA B 94 1555 1555 2.20 LINK OE2 GLU B 77 CA CA B 94 1555 1555 2.49 LINK CA CA B 93 O HOH B 115 1555 1555 2.51 LINK CA CA B 93 O HOH B 144 1555 1555 2.42 LINK CA CA B 94 O HOH B 122 1555 1555 2.33 SITE 1 AC1 6 ASP A 30 ASP A 32 ASP A 36 GLU A 41 SITE 2 AC1 6 HOH A 95 HOH A 96 SITE 1 AC2 6 ASP A 66 ASP A 68 SER A 70 THR A 72 SITE 2 AC2 6 GLU A 77 HOH A 102 SITE 1 AC3 6 ASP B 30 ASP B 32 ASP B 36 GLU B 41 SITE 2 AC3 6 HOH B 115 HOH B 144 SITE 1 AC4 6 ASP B 66 ASP B 68 SER B 70 THR B 72 SITE 2 AC4 6 GLU B 77 HOH B 122 CRYST1 32.120 81.580 39.860 90.00 112.67 90.00 P 1 21 1 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 0.031133 0.000000 0.013004 0.00000 SCALE2 0.000000 0.012258 0.000000 0.00000 SCALE3 0.000000 0.000000 0.027188 0.00000 MTRIX1 1 0.694896 -0.010889 0.719028 -18.85100 1 MTRIX2 1 -0.018211 -0.999831 0.002459 23.34200 1 MTRIX3 1 0.718880 -0.014803 -0.694977 43.77500 1