HEADER CONTRACTILE SYSTEM PROTEIN 11-AUG-93 1TOP TITLE STRUCTURE OF CHICKEN SKELETAL MUSCLE TROPONIN-C AT 1.78 TITLE 2 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031 KEYWDS CONTRACTILE SYSTEM PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.SUNDARALINGAM REVDAT 2 24-FEB-09 1TOP 1 VERSN REVDAT 1 31-JAN-94 1TOP 0 JRNL AUTH K.A.SATYSHUR,D.PYZALSKA,M.GREASER,S.T.RAO, JRNL AUTH 2 M.SUNDARALINGAM JRNL TITL STRUCTURE OF CHICKEN SKELETAL MUSCLE TROPONIN C AT JRNL TITL 2 1.78 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 50 40 1994 JRNL REFN ISSN 0907-4449 JRNL PMID 15299475 JRNL DOI 10.1107/S090744499300798X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.A.SATYSHUR,S.T.RAO,D.PYZALSKA,W.DRENDEL, REMARK 1 AUTH 2 M.GREASER,M.SUNDARALINGAM REMARK 1 TITL REFINED STRUCTURE OF CHICKEN SKELETAL MUSCLE REMARK 1 TITL 2 TROPONIN C IN THE TWO-CALCIUM STATE AT 2-ANGSTROMS REMARK 1 TITL 3 RESOLUTION REMARK 1 REF J.BIOL.CHEM. V. 263 1628 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.SUNDARALINGAM,R.BERGSTROM,G.STRASBURG,S.T.RAO, REMARK 1 AUTH 2 P.ROYCHOWDHURY,M.GREASER,B.C.WANG REMARK 1 TITL MOLECULAR STRUCTURE OF TROPONIN C FROM CHICKEN REMARK 1 TITL 2 SKELETAL MUSCLE AT 3-ANGSTROM RESOLUTION REMARK 1 REF SCIENCE V. 227 945 1985 REMARK 1 REFN ISSN 0036-8075 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.M.STRASBURG,M.L.GREASER,M.SUNDARALINGAM REMARK 1 TITL X-RAY DIFFRACTION STUDIES OF TROPONIN-C CRYSTALS REMARK 1 TITL 2 FROM RABBIT AND CHICKEN SKELETAL MUSCLES REMARK 1 REF J.BIOL.CHEM. V. 255 3806 1980 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 4 REMARK 1 AUTH J.M.WILKINSON REMARK 1 TITL THE AMINO ACID SEQUENCE OF TROPONIN C FROM CHICKEN REMARK 1 TITL 2 SKELETAL MUSCLE REMARK 1 REF FEBS LETT. V. 70 254 1976 REMARK 1 REFN ISSN 0014-5793 REMARK 2 REMARK 2 RESOLUTION. 1.78 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL 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 : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : NULL 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 : 1293 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 164 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 2.30 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 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 1TOP COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL 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 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 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+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 40.53333 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 20.26667 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 20.26667 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 40.53333 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: 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 HIS A 128 NE2 HIS A 128 CD2 -0.078 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 ARG A 47 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 CYS A 101 CA - CB - SG ANGL. DEV. = 7.9 DEGREES REMARK 500 ARG A 123 NE - CZ - NH1 ANGL. DEV. = 6.7 DEGREES REMARK 500 ARG A 123 NE - CZ - NH2 ANGL. DEV. = -6.4 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 ALA A 31 -57.23 77.56 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLU A 159 GLY A 160 144.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 285 DISTANCE = 7.37 ANGSTROMS REMARK 525 HOH A 308 DISTANCE = 5.53 ANGSTROMS REMARK 525 HOH A 350 DISTANCE = 19.78 ANGSTROMS REMARK 525 HOH A 369 DISTANCE = 6.43 ANGSTROMS 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 163 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 108 OD1 REMARK 620 2 ASP A 110 OD1 84.1 REMARK 620 3 HOH A 176 O 97.9 80.5 REMARK 620 4 PHE A 112 O 155.2 78.0 95.8 REMARK 620 5 ASP A 106 OD1 80.2 83.4 163.8 80.9 REMARK 620 6 GLU A 117 OE1 122.2 150.1 81.8 80.1 112.9 REMARK 620 7 GLU A 117 OE2 73.1 157.2 101.4 124.0 93.4 51.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 164 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 144 OD1 REMARK 620 2 GLU A 153 OE1 120.4 REMARK 620 3 GLU A 153 OE2 75.0 50.2 REMARK 620 4 HOH A 209 O 88.4 81.5 100.4 REMARK 620 5 ASP A 146 OD1 83.2 150.3 158.0 81.5 REMARK 620 6 ARG A 148 O 160.3 79.3 123.1 95.2 78.2 REMARK 620 7 ASP A 142 OD1 83.9 117.2 94.1 161.2 80.6 86.6 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 163 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 164 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 225 DBREF 1TOP A 1 162 UNP P02588 TNNC2_CHICK 1 162 SEQRES 1 A 162 ALA SER MET THR ASP GLN GLN ALA GLU ALA ARG ALA PHE SEQRES 2 A 162 LEU SER GLU GLU MET ILE ALA GLU PHE LYS ALA ALA PHE SEQRES 3 A 162 ASP MET PHE ASP ALA ASP GLY GLY GLY ASP ILE SER THR SEQRES 4 A 162 LYS GLU LEU GLY THR VAL MET ARG MET LEU GLY GLN ASN SEQRES 5 A 162 PRO THR LYS GLU GLU LEU ASP ALA ILE ILE GLU GLU VAL SEQRES 6 A 162 ASP GLU ASP GLY SER GLY THR ILE ASP PHE GLU GLU PHE SEQRES 7 A 162 LEU VAL MET MET VAL ARG GLN MET LYS GLU ASP ALA LYS SEQRES 8 A 162 GLY LYS SER GLU GLU GLU LEU ALA ASN CYS PHE ARG ILE SEQRES 9 A 162 PHE ASP LYS ASN ALA ASP GLY PHE ILE ASP ILE GLU GLU SEQRES 10 A 162 LEU GLY GLU ILE LEU ARG ALA THR GLY GLU HIS VAL THR SEQRES 11 A 162 GLU GLU ASP ILE GLU ASP LEU MET LYS ASP SER ASP LYS SEQRES 12 A 162 ASN ASN ASP GLY ARG ILE ASP PHE ASP GLU PHE LEU LYS SEQRES 13 A 162 MET MET GLU GLY VAL GLN HET CA A 163 1 HET CA A 164 1 HET SO4 A 225 5 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 2 CA 2(CA 2+) FORMUL 4 SO4 O4 S 2- FORMUL 5 HOH *164(H2 O) HELIX 1 NT MET A 3 ALA A 12 1 10 HELIX 2 A GLU A 16 ASP A 27 1 12 HELIX 3 B LEU A 42 MET A 48 1 7 HELIX 4 C LYS A 55 VAL A 65 1 11 HELIX 5 LCH PHE A 75 PHE A 105 1D HELIX,D/E LINKER,E HELIX 31 HELIX 6 F ILE A 115 ALA A 124 1 10 HELIX 7 G GLU A 131 SER A 141 1 11 HELIX 8 H PHE A 151 GLU A 159 1 9 SHEET 1 B1 2 GLY A 35 THR A 39 0 SHEET 2 B1 2 GLY A 71 PHE A 75 -1 SHEET 1 B2 2 ILE A 113 ILE A 113 0 SHEET 2 B2 2 ILE A 149 ILE A 149 -1 LINK CA CA A 163 OD1 ASN A 108 1555 1555 1.95 LINK CA CA A 163 OD1 ASP A 110 1555 1555 2.43 LINK CA CA A 163 O HOH A 176 1555 1555 1.51 LINK CA CA A 163 O PHE A 112 1555 1555 2.08 LINK CA CA A 163 OD1 ASP A 106 1555 1555 2.22 LINK CA CA A 163 OE1 GLU A 117 1555 1555 2.38 LINK CA CA A 163 OE2 GLU A 117 1555 1555 2.53 LINK CA CA A 164 OD1 ASN A 144 1555 1555 2.09 LINK CA CA A 164 OE1 GLU A 153 1555 1555 2.44 LINK CA CA A 164 OE2 GLU A 153 1555 1555 2.57 LINK CA CA A 164 O HOH A 209 1555 1555 1.53 LINK CA CA A 164 OD1 ASP A 146 1555 1555 2.38 LINK CA CA A 164 O ARG A 148 1555 1555 2.05 LINK CA CA A 164 OD1 ASP A 142 1555 1555 2.26 SITE 1 AC1 6 ASP A 106 ASN A 108 ASP A 110 PHE A 112 SITE 2 AC1 6 GLU A 117 HOH A 176 SITE 1 AC2 6 ASP A 142 ASN A 144 ASP A 146 ARG A 148 SITE 2 AC2 6 GLU A 153 HOH A 209 SITE 1 AC3 8 GLY A 43 ARG A 47 LYS A 55 HOH A 230 SITE 2 AC3 8 HOH A 234 HOH A 240 HOH A 254 HOH A 306 CRYST1 66.700 66.700 60.800 90.00 90.00 120.00 P 32 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 0.014993 0.008656 0.000000 0.00000 SCALE2 0.000000 0.017312 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016447 0.00000