HEADER CALCIUM-REGULATED MUSCLE CONTRACTION 04-MAR-98 1TCF TITLE CRYSTAL STRUCTURE OF CALCIUM-SATURATED RABBIT SKELETAL TROPONIN C COMPND MOL_ID: 1; COMPND 2 MOLECULE: TROPONIN C; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS; SOURCE 3 ORGANISM_COMMON: RABBIT; SOURCE 4 ORGANISM_TAXID: 9986; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MUSCLE CONTRACTION, CALCIUM-BINDING, TROPONIN, E-F HAND, OPEN KEYWDS 2 CONFORMATION REGULATORY DOMAIN, CALCIUM-REGULATED MUSCLE CONTRACTION EXPDTA X-RAY DIFFRACTION AUTHOR J.SOMAN,G.N.PHILLIPS JR. REVDAT 6 14-FEB-24 1TCF 1 REMARK REVDAT 5 03-NOV-21 1TCF 1 REMARK SEQADV LINK REVDAT 4 24-FEB-09 1TCF 1 VERSN REVDAT 3 17-JAN-06 1TCF 1 JRNL REVDAT 2 03-MAY-05 1TCF 1 AUTHOR REVDAT 1 27-MAY-98 1TCF 0 JRNL AUTH J.SOMAN,T.TAO,G.N.PHILLIPS JR JRNL TITL CONFORMATIONAL VARIATION OF CALCIUM-BOUND TROPONIN C. JRNL REF PROTEINS V. 37 510 1999 JRNL REFN ISSN 0887-3585 JRNL PMID 10651267 JRNL DOI 10.1002/(SICI)1097-0134(19991201)37:4<510::AID-PROT2>3.3.CO; JRNL DOI 2 2-K REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 68.0 REMARK 3 NUMBER OF REFLECTIONS : 9587 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) : 0.278 REMARK 3 FREE R VALUE : 0.358 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 463 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.017 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 57.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1286 REMARK 3 BIN R VALUE (WORKING SET) : 0.3530 REMARK 3 BIN FREE R VALUE : 0.4380 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 69 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.053 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1231 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 197 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.38000 REMARK 3 B22 (A**2) : -1.75000 REMARK 3 B33 (A**2) : 0.37000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.57000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.26 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) : 0.42 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 1.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.060 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) : 2.310 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.250 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.860 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.820 ; 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TCF 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_1000176612. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.6 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10911 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 77.5 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.08700 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 3.851 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40-50% MPD, 50MM SODIUM ACETATE 5MM REMARK 280 CACL2, PH 5.6. 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 29.80000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 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 THR A 1 REMARK 465 VAL A 158 REMARK 465 GLN A 159 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 287 O HOH A 344 2.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O ASP A 24 NH2 ARG A 100 2646 2.05 REMARK 500 REMARK 500 REMARK: NULL 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 13 CG GLU A 13 CD 0.096 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 GLU A 13 OE1 - CD - OE2 ANGL. DEV. = -10.0 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 ASP A 27 70.57 -69.82 REMARK 500 ASP A 63 77.56 -48.90 REMARK 500 ALA A 106 65.30 26.45 REMARK 500 HIS A 125 -83.07 -40.25 REMARK 500 VAL A 126 113.34 54.50 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 164 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 14 OE1 REMARK 620 2 GLU A 14 OE2 51.0 REMARK 620 3 HOH A 176 O 89.4 128.4 REMARK 620 4 HOH A 219 O 85.6 75.3 69.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 160 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 27 OD1 REMARK 620 2 ASP A 29 OD1 81.8 REMARK 620 3 ASP A 33 O 90.5 149.3 REMARK 620 4 GLU A 38 OE1 100.5 131.4 79.1 REMARK 620 5 GLU A 38 OE2 101.0 81.2 129.5 50.5 REMARK 620 6 HOH A 182 O 99.6 81.1 70.9 143.8 150.5 REMARK 620 7 HOH A 215 O 166.2 99.3 95.1 68.3 65.8 94.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 161 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 63 OD1 REMARK 620 2 ASP A 65 OD1 89.2 REMARK 620 3 SER A 67 OG 99.2 68.9 REMARK 620 4 THR A 69 O 78.4 153.0 89.3 REMARK 620 5 GLU A 74 OE1 100.6 131.0 151.8 75.3 REMARK 620 6 GLU A 74 OE2 88.5 83.6 151.1 119.5 49.4 REMARK 620 7 HOH A 175 O 170.1 81.2 75.3 109.4 87.5 92.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 162 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 103 OD1 REMARK 620 2 ASN A 105 OD1 74.3 REMARK 620 3 ASN A 105 ND2 112.3 41.5 REMARK 620 4 ASP A 107 OD1 84.0 70.1 90.4 REMARK 620 5 TYR A 109 O 100.7 150.4 144.6 80.5 REMARK 620 6 GLU A 114 OE1 114.0 131.0 98.9 154.1 78.0 REMARK 620 7 GLU A 114 OE2 92.7 79.3 62.3 149.0 130.2 52.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 163 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 139 OD1 REMARK 620 2 ASN A 141 OD1 77.1 REMARK 620 3 ASP A 143 OD1 69.9 67.5 REMARK 620 4 ARG A 145 O 77.2 142.3 77.9 REMARK 620 5 GLU A 150 OE1 121.2 133.1 156.3 84.2 REMARK 620 6 GLU A 150 OE2 90.8 87.5 150.9 120.0 52.8 REMARK 620 7 HOH A 229 O 162.9 99.9 93.4 96.6 73.2 105.9 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 160 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 161 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 162 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 163 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 164 DBREF 1TCF A 1 159 UNP P02586 TNNC2_RABIT 1 159 SEQADV 1TCF LEU A 98 UNP P02586 CYS 98 ENGINEERED MUTATION SEQRES 1 A 159 THR ASP GLN GLN ALA GLU ALA ARG SER TYR LEU SER GLU SEQRES 2 A 159 GLU MET ILE ALA GLU PHE LYS ALA ALA PHE ASP MET PHE SEQRES 3 A 159 ASP ALA ASP GLY GLY GLY ASP ILE SER VAL LYS GLU LEU SEQRES 4 A 159 GLY THR VAL MET ARG MET LEU GLY GLN THR PRO THR LYS SEQRES 5 A 159 GLU GLU LEU ASP ALA ILE ILE GLU GLU VAL ASP GLU ASP SEQRES 6 A 159 GLY SER GLY THR ILE ASP PHE GLU GLU PHE LEU VAL MET SEQRES 7 A 159 MET VAL ARG GLN MET LYS GLU ASP ALA LYS GLY LYS SER SEQRES 8 A 159 GLU GLU GLU LEU ALA GLU LEU PHE ARG ILE PHE ASP ARG SEQRES 9 A 159 ASN ALA ASP GLY TYR ILE ASP ALA GLU GLU LEU ALA GLU SEQRES 10 A 159 ILE PHE ARG ALA SER GLY GLU HIS VAL THR ASP GLU GLU SEQRES 11 A 159 ILE GLU SER LEU MET LYS ASP GLY ASP LYS ASN ASN ASP SEQRES 12 A 159 GLY ARG ILE ASP PHE ASP GLU PHE LEU LYS MET MET GLU SEQRES 13 A 159 GLY VAL GLN HET CA A 160 1 HET CA A 161 1 HET CA A 162 1 HET CA A 163 1 HET CA A 164 1 HETNAM CA CALCIUM ION FORMUL 2 CA 5(CA 2+) FORMUL 7 HOH *197(H2 O) HELIX 1 1 ALA A 5 TYR A 10 1 6 HELIX 2 2 GLU A 13 PHE A 26 1 14 HELIX 3 3 VAL A 36 MET A 45 1 10 HELIX 4 4 LYS A 52 VAL A 62 1 11 HELIX 5 5 PHE A 72 MET A 83 1 12 HELIX 6 6 GLU A 93 PHE A 102 1 10 HELIX 7 7 ALA A 112 SER A 122 1 11 HELIX 8 8 ASP A 128 GLY A 138 1 11 HELIX 9 9 PHE A 148 GLU A 156 1 9 SHEET 1 A 2 ASP A 33 ILE A 34 0 SHEET 2 A 2 ILE A 70 ASP A 71 -1 O ILE A 70 N ILE A 34 LINK OE1 GLU A 14 CA CA A 164 1555 1555 2.49 LINK OE2 GLU A 14 CA CA A 164 1555 1555 2.36 LINK OD1 ASP A 27 CA CA A 160 1555 1555 2.32 LINK OD1 ASP A 29 CA CA A 160 1555 1555 2.30 LINK O ASP A 33 CA CA A 160 1555 1555 2.48 LINK OE1 GLU A 38 CA CA A 160 1555 1555 2.54 LINK OE2 GLU A 38 CA CA A 160 1555 1555 2.52 LINK OD1 ASP A 63 CA CA A 161 1555 1555 2.36 LINK OD1 ASP A 65 CA CA A 161 1555 1555 2.40 LINK OG SER A 67 CA CA A 161 1555 1555 2.24 LINK O THR A 69 CA CA A 161 1555 1555 2.46 LINK OE1 GLU A 74 CA CA A 161 1555 1555 2.68 LINK OE2 GLU A 74 CA CA A 161 1555 1555 2.54 LINK OD1 ASP A 103 CA CA A 162 1555 1555 2.49 LINK OD1 ASN A 105 CA CA A 162 1555 1555 2.43 LINK ND2 ASN A 105 CA CA A 162 1555 1555 3.37 LINK OD1 ASP A 107 CA CA A 162 1555 1555 2.45 LINK O TYR A 109 CA CA A 162 1555 1555 2.25 LINK OE1 GLU A 114 CA CA A 162 1555 1555 2.42 LINK OE2 GLU A 114 CA CA A 162 1555 1555 2.54 LINK OD1 ASP A 139 CA CA A 163 1555 1555 2.61 LINK OD1 ASN A 141 CA CA A 163 1555 1555 2.44 LINK OD1 ASP A 143 CA CA A 163 1555 1555 2.40 LINK O ARG A 145 CA CA A 163 1555 1555 2.61 LINK OE1 GLU A 150 CA CA A 163 1555 1555 2.55 LINK OE2 GLU A 150 CA CA A 163 1555 1555 2.31 LINK CA CA A 160 O HOH A 182 1555 1555 2.66 LINK CA CA A 160 O HOH A 215 1555 1555 2.49 LINK CA CA A 161 O HOH A 175 1555 1555 2.22 LINK CA CA A 163 O HOH A 229 1555 1555 2.45 LINK CA CA A 164 O HOH A 176 1555 1555 2.48 LINK CA CA A 164 O HOH A 219 1555 1555 2.46 SITE 1 AC1 6 ASP A 27 ASP A 29 ASP A 33 GLU A 38 SITE 2 AC1 6 HOH A 182 HOH A 215 SITE 1 AC2 6 ASP A 63 ASP A 65 SER A 67 THR A 69 SITE 2 AC2 6 GLU A 74 HOH A 175 SITE 1 AC3 5 ASP A 103 ASN A 105 ASP A 107 TYR A 109 SITE 2 AC3 5 GLU A 114 SITE 1 AC4 6 ASP A 139 ASN A 141 ASP A 143 ARG A 145 SITE 2 AC4 6 GLU A 150 HOH A 229 SITE 1 AC5 3 GLU A 14 HOH A 176 HOH A 219 CRYST1 32.100 59.600 48.000 90.00 101.10 90.00 P 1 21 1 2 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 0.031153 0.000000 0.006112 0.00000 SCALE2 0.000000 0.016779 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021231 0.00000