1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Mercier, P. Ferguson, R.E. Irving, M. Corrie, J.E.T. Trentham, D.R. Sykes, B.D. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking Ca 2 40.078 CALCIUM ION non-polymer C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 42 4333 4348 10.1021/bi027041n 12693929 NMR Structure of a Bifunctional Rhodamine Labeled N-Domain of Troponin C Complexed with the Regulatory "Switch" Peptide from Troponin I: Implications for in Situ Fluorescence Studies in Muscle Fibers 2003 10.2210/pdb1npq/pdb pdb_00001npq 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 9932.144 Troponin C TnC, residues 1-90 E56C, E63C 1 man polymer 1890.303 Troponin I switch peptide, residues 115-131 1 syn polymer 40.078 CALCIUM ION 2 syn non-polymer Troponin C, skeletal muscle Troponin I, fast skeletal muscle; Troponin I, fast-twitch isoform no no ASMTDQQAEARAFLSEEMIAEFKAAFDMFDADGGGDISTKELGTVMRMLGQNPTKCELDAIICEVDEDGSGTIDFEEFLV MMVRQMKEDA ASMTDQQAEARAFLSEEMIAEFKAAFDMFDADGGGDISTKELGTVMRMLGQNPTKCELDAIICEVDEDGSGTIDFEEFLV MMVRQMKEDA A polypeptide(L) no no RMSADAMLRALLGSKHK RMSADAMLRALLGSKHK B polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n chicken Gallus Escherichia sample TNNC2 9031 Gallus gallus 562 Escherichia coli BL21(DE3)pLysS pET3a pET3asNTnC database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_conn_angle pdbx_struct_oper_list struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2003-04-29 1 1 2007-10-21 1 2 2011-07-13 1 3 2021-10-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2003-01-18 REL REL CA CALCIUM ION This sequence occurs naturally in Oryctolagus cuniculus (rabit) sample The structure was determined using triple-resonance spectroscopy. The chemical shifts for TnI115-131 were obtained from a 2D_15N/13C_filtered-DIPSI experiment. Intramolecular NOEs for TnI115-131 were obtained from a 2D_15N/13C_filtered-NOESY experiment. structures with the lowest energy 100 21 3D_15N-separated_NOESY 3D_15N/13C-NOESY HNHA 2D_13C/15N-edited-NOESY 2D_13C/15N-filtered/edited-NOESY 320 mM KCl 6.5 ambiant 303 K calcium restraints were introduced only during the 2nd cooling stage using cartesian dynamics. See table 3 of the reference paper for a detailed description of the distance and dihedral restraints. simulated annealing using torsion angle dynamics AND cartesian dynamics with the program CNS 1.1 1 minimized average structure 320 mM KCl, 10 mM imidazole, 1.3% NaN3, pH 6.5, ~1mM sNTnC.2Ca2+.TnI115-131.BR56-63 90% H2O/10% D2O A.T.Brunger structure solution CNS 1.1 Frank Delaglio processing NMRPipe Feb 2002 Bruce Johnson data analysis NMRView 5.0.4 Laskowski data analysis Procheck 3.5.4 A.T.Brunger refinement CNS 1.1 800 Varian INOVA 600 Varian UNITY 500 Varian INOVA CA 132 3 CA CA 132 A CA 133 3 CA CA 133 A ALA 1 n 1 ALA 1 A SER 2 n 2 SER 2 A MET 3 n 3 MET 3 A THR 4 n 4 THR 4 A ASP 5 n 5 ASP 5 A GLN 6 n 6 GLN 6 A GLN 7 n 7 GLN 7 A ALA 8 n 8 ALA 8 A GLU 9 n 9 GLU 9 A ALA 10 n 10 ALA 10 A ARG 11 n 11 ARG 11 A ALA 12 n 12 ALA 12 A PHE 13 n 13 PHE 13 A LEU 14 n 14 LEU 14 A SER 15 n 15 SER 15 A GLU 16 n 16 GLU 16 A GLU 17 n 17 GLU 17 A MET 18 n 18 MET 18 A ILE 19 n 19 ILE 19 A ALA 20 n 20 ALA 20 A GLU 21 n 21 GLU 21 A PHE 22 n 22 PHE 22 A LYS 23 n 23 LYS 23 A ALA 24 n 24 ALA 24 A ALA 25 n 25 ALA 25 A PHE 26 n 26 PHE 26 A ASP 27 n 27 ASP 27 A MET 28 n 28 MET 28 A PHE 29 n 29 PHE 29 A ASP 30 n 30 ASP 30 A ALA 31 n 31 ALA 31 A ASP 32 n 32 ASP 32 A GLY 33 n 33 GLY 33 A GLY 34 n 34 GLY 34 A GLY 35 n 35 GLY 35 A ASP 36 n 36 ASP 36 A ILE 37 n 37 ILE 37 A SER 38 n 38 SER 38 A THR 39 n 39 THR 39 A LYS 40 n 40 LYS 40 A GLU 41 n 41 GLU 41 A LEU 42 n 42 LEU 42 A GLY 43 n 43 GLY 43 A THR 44 n 44 THR 44 A VAL 45 n 45 VAL 45 A MET 46 n 46 MET 46 A ARG 47 n 47 ARG 47 A MET 48 n 48 MET 48 A LEU 49 n 49 LEU 49 A GLY 50 n 50 GLY 50 A GLN 51 n 51 GLN 51 A ASN 52 n 52 ASN 52 A PRO 53 n 53 PRO 53 A THR 54 n 54 THR 54 A LYS 55 n 55 LYS 55 A CYS 56 n 56 CYS 56 A GLU 57 n 57 GLU 57 A LEU 58 n 58 LEU 58 A ASP 59 n 59 ASP 59 A ALA 60 n 60 ALA 60 A ILE 61 n 61 ILE 61 A ILE 62 n 62 ILE 62 A CYS 63 n 63 CYS 63 A GLU 64 n 64 GLU 64 A VAL 65 n 65 VAL 65 A ASP 66 n 66 ASP 66 A GLU 67 n 67 GLU 67 A ASP 68 n 68 ASP 68 A GLY 69 n 69 GLY 69 A SER 70 n 70 SER 70 A GLY 71 n 71 GLY 71 A THR 72 n 72 THR 72 A ILE 73 n 73 ILE 73 A ASP 74 n 74 ASP 74 A PHE 75 n 75 PHE 75 A GLU 76 n 76 GLU 76 A GLU 77 n 77 GLU 77 A PHE 78 n 78 PHE 78 A LEU 79 n 79 LEU 79 A VAL 80 n 80 VAL 80 A MET 81 n 81 MET 81 A MET 82 n 82 MET 82 A VAL 83 n 83 VAL 83 A ARG 84 n 84 ARG 84 A GLN 85 n 85 GLN 85 A MET 86 n 86 MET 86 A LYS 87 n 87 LYS 87 A GLU 88 n 88 GLU 88 A ASP 89 n 89 ASP 89 A ALA 90 n 90 ALA 90 A ARG 115 n 1 ARG 115 B MET 116 n 2 MET 116 B SER 117 n 3 SER 117 B ALA 118 n 4 ALA 118 B ASP 119 n 5 ASP 119 B ALA 120 n 6 ALA 120 B MET 121 n 7 MET 121 B LEU 122 n 8 LEU 122 B ARG 123 n 9 ARG 123 B ALA 124 n 10 ALA 124 B LEU 125 n 11 LEU 125 B LEU 126 n 12 LEU 126 B GLY 127 n 13 GLY 127 B SER 128 n 14 SER 128 B LYS 129 n 15 LYS 129 B HIS 130 n 16 HIS 130 B LYS 131 n 17 LYS 131 B author_defined_assembly 2 dimeric A ASP 30 A OD1 ASP 30 1_555 A CA 133 D CA CA 1_555 A ALA 31 A N ALA 31 1_555 108.8 A ASP 30 A OD1 ASP 30 1_555 A CA 133 D CA CA 1_555 A ASP 32 A OD1 ASP 32 1_555 121.1 A ALA 31 A N ALA 31 1_555 A CA 133 D CA CA 1_555 A ASP 32 A OD1 ASP 32 1_555 81.7 A ASP 30 A OD1 ASP 30 1_555 A CA 133 D CA CA 1_555 A ASP 36 A O ASP 36 1_555 86.1 A ALA 31 A N ALA 31 1_555 A CA 133 D CA CA 1_555 A ASP 36 A O ASP 36 1_555 148.0 A ASP 32 A OD1 ASP 32 1_555 A CA 133 D CA CA 1_555 A ASP 36 A O ASP 36 1_555 115.4 A ASP 30 A OD1 ASP 30 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE1 GLU 41 1_555 89.0 A ALA 31 A N ALA 31 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE1 GLU 41 1_555 79.4 A ASP 32 A OD1 ASP 32 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE1 GLU 41 1_555 148.4 A ASP 36 A O ASP 36 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE1 GLU 41 1_555 72.5 A ASP 30 A OD1 ASP 30 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE2 GLU 41 1_555 132.6 A ALA 31 A N ALA 31 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE2 GLU 41 1_555 88.6 A ASP 32 A OD1 ASP 32 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE2 GLU 41 1_555 104.5 A ASP 36 A O ASP 36 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE2 GLU 41 1_555 61.7 A GLU 41 A OE1 GLU 41 1_555 A CA 133 D CA CA 1_555 A GLU 41 A OE2 GLU 41 1_555 50.1 A ASP 66 A OD2 ASP 66 1_555 A CA 132 C CA CA 1_555 A ASP 68 A OD1 ASP 68 1_555 96.8 A ASP 66 A OD2 ASP 66 1_555 A CA 132 C CA CA 1_555 A SER 70 A OG SER 70 1_555 62.3 A ASP 68 A OD1 ASP 68 1_555 A CA 132 C CA CA 1_555 A SER 70 A OG SER 70 1_555 62.4 A ASP 66 A OD2 ASP 66 1_555 A CA 132 C CA CA 1_555 A THR 72 A O THR 72 1_555 55.2 A ASP 68 A OD1 ASP 68 1_555 A CA 132 C CA CA 1_555 A THR 72 A O THR 72 1_555 151.8 A SER 70 A OG SER 70 1_555 A CA 132 C CA CA 1_555 A THR 72 A O THR 72 1_555 96.9 A ASP 66 A OD2 ASP 66 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE1 GLU 77 1_555 113.9 A ASP 68 A OD1 ASP 68 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE1 GLU 77 1_555 139.5 A SER 70 A OG SER 70 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE1 GLU 77 1_555 155.7 A THR 72 A O THR 72 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE1 GLU 77 1_555 65.7 A ASP 66 A OD2 ASP 66 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE2 GLU 77 1_555 128.0 A ASP 68 A OD1 ASP 68 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE2 GLU 77 1_555 96.0 A SER 70 A OG SER 70 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE2 GLU 77 1_555 158.2 A THR 72 A O THR 72 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE2 GLU 77 1_555 104.4 A GLU 77 A OE1 GLU 77 1_555 A CA 132 C CA CA 1_555 A GLU 77 A OE2 GLU 77 1_555 44.4 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 identity operation 0.0000000000 0.0000000000 0.0000000000 1 A MET 3 -139.34 -47.14 1 A THR 4 -161.86 117.26 1 A ALA 24 -58.10 -78.05 1 A PHE 29 -55.45 -70.30 1 A SER 38 -115.01 -166.18 1 A THR 44 -59.57 -76.97 1 A MET 48 -97.79 35.63 1 A LEU 49 -146.39 -47.98 1 A ASN 52 -149.70 53.15 1 A THR 54 -57.27 -178.52 1 A ASP 74 -75.93 -169.40 1 A PHE 75 -60.23 -75.78 1 A MET 86 -63.06 -75.97 1 A GLU 88 -54.51 103.57 1 A ASP 89 -178.04 86.51 1 B MET 116 -67.16 -72.31 1 B ALA 124 -50.85 -73.00 1 B LEU 126 60.50 158.84 1 B HIS 130 68.31 -65.72 2 A MET 3 -157.16 -46.15 2 A ALA 24 -46.01 -73.32 2 A PHE 29 -57.74 -73.87 2 A ASP 36 52.28 -177.56 2 A SER 38 -102.02 -163.00 2 A THR 44 -58.83 -78.67 2 A ASN 52 -144.21 48.78 2 A ASP 74 -66.91 -174.00 2 A PHE 75 -59.89 -78.15 2 A ASP 89 60.37 -175.71 2 B MET 116 -101.87 -65.06 2 B ALA 124 -78.51 -75.02 2 B LEU 126 56.68 170.45 2 B HIS 130 -163.71 -67.44 3 A SER 2 60.32 175.79 3 A MET 3 -176.99 -39.95 3 A ALA 24 -47.54 -74.27 3 A PHE 29 -58.71 -75.05 3 A ASP 36 55.82 -175.21 3 A SER 38 -106.78 -164.13 3 A THR 44 -59.29 -75.95 3 A ASN 52 -144.24 51.08 3 A THR 54 -56.36 -178.31 3 A ASP 66 -68.91 97.50 3 A ASP 74 -71.47 -168.86 3 A PHE 75 -61.12 -73.59 3 B MET 116 63.88 -76.89 3 B LEU 126 59.64 159.73 4 A MET 3 -125.91 -50.76 4 A THR 4 -177.19 109.70 4 A ALA 24 -44.70 -77.22 4 A ASP 36 56.45 -176.05 4 A SER 38 -102.87 -164.86 4 A THR 44 -58.64 -78.26 4 A ASN 52 -144.14 48.88 4 A THR 54 -58.38 179.52 4 A ASP 68 -149.16 22.10 4 A ASP 74 -64.82 -167.28 4 A PHE 75 -59.29 -80.42 4 A LYS 87 -62.77 81.74 4 A ASP 89 -58.97 89.73 4 B ALA 124 -66.86 -71.91 4 B LEU 126 57.49 171.53 5 A SER 2 -168.27 92.63 5 A MET 3 -143.49 -47.15 5 A THR 4 -162.34 114.91 5 A PHE 29 -57.69 -75.16 5 A SER 38 -107.00 -164.42 5 A THR 44 -65.60 -79.00 5 A ASN 52 -144.19 44.93 5 A PRO 53 -52.44 107.83 5 A ASP 68 -148.60 21.50 5 A ASP 74 -77.42 -169.20 5 A PHE 75 -58.84 -81.25 5 A GLU 88 -97.75 32.23 5 A ASP 89 -177.31 -46.21 5 B SER 128 -153.46 -51.67 5 B LYS 129 -141.67 -65.97 6 A MET 3 -153.29 -64.91 6 A ALA 24 -51.96 -72.20 6 A PHE 29 -55.85 -70.45 6 A ASP 36 56.04 -174.40 6 A SER 38 -111.66 -164.11 6 A THR 44 -58.72 -79.67 6 A ASN 52 -144.22 46.67 6 A ASP 74 -62.44 -170.24 6 A PHE 75 -60.09 -78.32 6 B ALA 124 -86.40 -72.39 6 B LEU 126 -170.17 106.18 6 B SER 128 -107.24 -73.51 6 B HIS 130 -143.18 31.34 7 A MET 3 -134.77 -55.88 7 A ALA 24 -44.23 -74.04 7 A PHE 29 -57.01 -74.35 7 A SER 38 -112.59 -163.69 7 A THR 44 -78.46 -75.76 7 A ASN 52 -144.19 51.13 7 A THR 54 -55.78 -177.08 7 A ASP 66 -57.35 92.11 7 A ASP 74 -58.11 -166.29 7 A PHE 75 -65.25 -79.85 7 A ASP 89 -161.85 -46.66 7 B ALA 124 -77.35 -70.34 7 B LEU 126 64.37 -75.63 7 B LYS 129 -98.66 31.32 8 A MET 3 -166.04 -44.24 8 A ALA 24 -44.85 -80.13 8 A PHE 29 -58.69 -71.42 8 A SER 38 -102.78 -162.43 8 A THR 44 -57.65 -76.80 8 A ASN 52 -144.18 50.30 8 A THR 54 -54.34 173.33 8 A ASP 74 -63.53 -171.89 8 A GLU 88 58.53 91.35 8 B MET 116 65.50 -70.22 8 B SER 117 -90.66 39.38 8 B HIS 130 -67.29 -74.73 9 A ALA 24 -45.11 -75.43 9 A PHE 29 -54.51 -75.19 9 A ASP 36 52.72 -173.83 9 A SER 38 -106.77 -164.52 9 A THR 44 -65.01 -80.46 9 A ASN 52 -144.16 48.52 9 A THR 54 -61.34 -175.37 9 A ASP 74 -73.31 -167.19 9 A PHE 75 -55.95 -79.69 9 A GLU 88 63.63 -79.92 9 B ALA 124 -84.67 -70.15 9 B LEU 126 -52.58 101.18 10 A MET 3 -174.33 -60.16 10 A THR 4 -176.21 119.69 10 A ALA 24 -42.44 -75.08 10 A PHE 29 -58.17 -74.65 10 A ASP 36 54.67 -176.32 10 A THR 44 -58.07 -78.11 10 A ASN 52 -144.23 50.57 10 A THR 54 -57.02 -170.03 10 A ASP 74 -71.08 -168.72 10 A PHE 75 -61.48 -79.63 10 B MET 116 -93.40 -66.40 10 B ALA 124 -77.29 -73.94 10 B LEU 126 60.40 157.90 11 A MET 3 -134.82 -46.58 11 A ALA 24 -40.03 -77.03 11 A ASP 36 57.17 -177.86 11 A THR 44 -55.52 -78.52 11 A ASN 52 -144.23 50.32 11 A THR 54 -57.66 -179.82 11 A ASP 74 -62.87 -169.62 11 A PHE 75 -58.31 -80.17 11 A GLU 88 64.62 152.37 11 B MET 116 59.08 161.16 11 B ALA 124 -79.72 -73.59 11 B LEU 126 61.81 150.58 11 B LYS 129 -64.69 80.47 12 A MET 3 -162.21 -44.97 12 A ALA 24 -48.05 -70.93 12 A THR 44 -58.01 -79.43 12 A ASN 52 -144.26 55.05 12 A THR 54 -52.48 171.58 12 A ASP 68 -148.11 21.40 12 A ASP 74 -68.70 -166.60 12 A PHE 75 -57.51 -84.74 12 B ALA 124 -84.89 -75.74 12 B LYS 129 -172.74 -41.82 13 A MET 3 -146.03 -48.20 13 A THR 4 -179.38 117.97 13 A PHE 29 -60.26 -75.26 13 A SER 38 -79.25 -163.53 13 A THR 44 -56.79 -76.66 13 A ASN 52 -144.26 48.74 13 A THR 54 -59.90 -175.60 13 A GLU 67 46.27 28.90 13 A ASP 68 -165.64 -46.89 13 A ASP 74 -60.14 -169.87 13 A PHE 75 -68.77 -82.96 13 A GLU 88 60.24 163.56 13 B ALA 124 -83.42 -75.18 13 B SER 128 61.15 -177.40 13 B HIS 130 -131.36 -51.48 14 A SER 2 -106.86 -169.72 14 A MET 3 -176.61 -62.57 14 A ALA 24 -44.63 -78.74 14 A PHE 29 -55.78 -71.93 14 A ASP 36 58.95 -177.05 14 A SER 38 -101.57 -163.03 14 A THR 44 -74.30 -77.43 14 A ASN 52 -144.32 52.94 14 A THR 54 -54.78 179.30 14 A ASP 68 -155.60 -45.20 14 A ASP 74 -70.04 -167.05 14 B ALA 124 -82.07 -71.37 14 B LEU 126 59.60 160.31 14 B SER 128 58.92 173.95 15 A MET 3 -161.97 -49.05 15 A THR 4 -175.47 113.70 15 A ALA 24 -46.06 -71.54 15 A ALA 31 63.96 -68.50 15 A THR 44 -54.32 -78.19 15 A ASN 52 -144.09 55.46 15 A THR 54 -57.56 -177.94 15 A ASP 68 -149.54 22.06 15 A ASP 74 -73.28 -167.85 15 A PHE 75 -62.60 -81.84 15 A LYS 87 -69.41 67.87 15 B MET 116 63.78 -77.76 15 B ALA 120 -51.17 -70.35 15 B ALA 124 -77.53 -76.50 15 B SER 128 -154.30 -67.51 16 A SER 2 62.74 147.15 16 A MET 3 -158.53 -45.90 16 A ALA 24 -45.81 -73.22 16 A ASP 36 55.31 -175.21 16 A THR 44 -56.69 -78.18 16 A ASN 52 -144.22 51.21 16 A THR 54 -56.45 -178.89 16 A ASP 74 -78.68 -169.37 16 A PHE 75 -62.14 -70.29 16 B ALA 124 -57.49 -79.21 16 B LEU 126 54.62 175.84 16 B SER 128 -174.93 -175.88 17 A MET 3 -174.12 -41.41 17 A ALA 24 -43.83 -78.28 17 A PHE 29 -56.84 -73.26 17 A SER 38 -119.18 -164.34 17 A THR 44 -57.04 -76.41 17 A ASN 52 -144.14 51.74 17 A THR 54 -59.01 -177.44 17 A ASP 74 -72.38 -168.54 17 A PHE 75 -60.34 -77.97 17 A ASP 89 60.22 159.02 17 B SER 117 -57.32 -100.26 17 B ALA 118 68.44 -26.00 17 B ALA 124 -76.77 -74.44 17 B LEU 126 58.22 178.21 17 B LYS 129 -168.59 119.03 18 A SER 2 60.54 104.26 18 A MET 3 -164.97 -43.93 18 A ALA 24 -45.13 -78.09 18 A THR 44 -57.66 -76.84 18 A ASN 52 -144.12 51.60 18 A THR 54 -56.12 174.91 18 A ASP 68 -138.23 -45.42 18 A ASP 74 -69.78 -165.32 18 A PHE 75 -62.67 -73.17 18 B MET 116 63.21 -78.40 18 B SER 117 -49.30 -91.89 18 B ALA 118 69.09 -40.27 18 B ALA 124 -77.21 -71.87 18 B HIS 130 -130.85 -46.42 19 A MET 3 -153.17 -48.54 19 A THR 4 -177.07 119.97 19 A ALA 24 -45.05 -72.20 19 A PHE 29 -59.08 -75.63 19 A ASP 36 52.75 -163.48 19 A SER 38 -105.78 -164.21 19 A THR 44 -57.21 -75.82 19 A ASN 52 -144.22 58.65 19 A THR 54 -56.15 179.23 19 A ASP 68 -155.92 26.03 19 A ASP 74 -52.59 -179.17 19 A PHE 75 -51.71 -77.36 19 A GLU 88 61.14 -170.71 19 B MET 116 -62.06 -72.43 19 B ALA 120 -51.79 -70.16 19 B ALA 124 -58.29 -71.54 19 B LEU 126 65.11 -71.76 19 B LYS 129 -140.22 30.34 20 A MET 3 -144.04 -62.75 20 A ALA 24 -47.95 -71.94 20 A SER 38 -104.18 -164.34 20 A THR 44 -62.47 -81.26 20 A ASN 52 -144.17 54.34 20 A THR 54 -55.25 173.60 20 A ASP 68 -148.60 21.26 20 A ASP 74 -70.57 -165.59 20 A PHE 75 -62.96 -78.82 20 A GLU 88 75.26 -58.59 20 A ASP 89 74.29 146.64 20 B ALA 120 -47.42 -72.79 20 B ALA 124 -52.40 -72.66 21 A MET 3 -158.57 -43.53 21 A ALA 24 -44.17 -73.32 21 A PHE 29 -57.30 -74.07 21 A SER 38 -110.06 -164.76 21 A THR 44 -56.61 -77.57 21 A ASN 52 -144.33 52.54 21 A THR 54 -60.29 -176.31 21 A PHE 75 -62.10 -74.79 21 A ASP 89 -158.13 29.20 21 B MET 116 -58.66 -165.57 21 B SER 117 52.86 -109.26 21 B ALA 118 70.75 -23.48 21 B ALA 124 -76.85 -79.44 21 B LEU 126 53.08 179.74 21 B HIS 130 -150.82 88.43 minimized average structure of a rhodamine-labeled N-domain Troponin C mutant (Ca2+ saturated) in complex with skeletal Troponin I 115-131 1 N N 2 N N 3 N N 3 N N A ASP 5 A ASP 5 HELX_P A LEU 14 A LEU 14 1 1 10 A SER 15 A SER 15 HELX_P A LYS 23 A LYS 23 1 2 9 A ALA 25 A ALA 25 HELX_P A ASP 30 A ASP 30 1 3 6 A SER 38 A SER 38 HELX_P A MET 48 A MET 48 1 4 11 A THR 54 A THR 54 HELX_P A ASP 66 A ASP 66 1 5 13 A GLU 76 A GLU 76 HELX_P A LYS 87 A LYS 87 1 6 12 B ALA 118 B ALA 4 HELX_P B LEU 126 B LEU 12 1 7 9 metalc 2.580 A ASP 30 A OD1 ASP 30 1_555 A CA 133 D CA CA 1_555 metalc 3.176 A ALA 31 A N ALA 31 1_555 A CA 133 D CA CA 1_555 metalc 2.822 A ASP 32 A OD1 ASP 32 1_555 A CA 133 D CA CA 1_555 metalc 2.779 A ASP 36 A O ASP 36 1_555 A CA 133 D CA CA 1_555 metalc 2.826 A GLU 41 A OE1 GLU 41 1_555 A CA 133 D CA CA 1_555 metalc 2.164 A GLU 41 A OE2 GLU 41 1_555 A CA 133 D CA CA 1_555 metalc 2.497 A ASP 66 A OD2 ASP 66 1_555 A CA 132 C CA CA 1_555 metalc 2.953 A ASP 68 A OD1 ASP 68 1_555 A CA 132 C CA CA 1_555 metalc 2.975 A SER 70 A OG SER 70 1_555 A CA 132 C CA CA 1_555 metalc 2.871 A THR 72 A O THR 72 1_555 A CA 132 C CA CA 1_555 metalc 2.971 A GLU 77 A OE1 GLU 77 1_555 A CA 132 C CA CA 1_555 metalc 2.840 A GLU 77 A OE2 GLU 77 1_555 A CA 132 C CA CA 1_555 STRUCTURAL PROTEIN Troponin C- Troponin I complex, bifunctional rhodamine labeled Toponin C, STRUCTURAL PROTEIN TNNC2_CHICK UNP 1 1 P02588 ASMTDQQAEARAFLSEEMIAEFKAAFDMFDADGGGDISTKELGTVMRMLGQNPTKEELDAIIEEVDEDGSGTIDFEEFLV MMVRQMKEDA TNNI2_RABIT UNP 2 115 P02643 RMSADAMLRALLGSKHK 1 90 1NPQ 1 90 P02588 A 1 1 90 115 131 1NPQ 115 131 P02643 B 2 1 17 1 GLU engineered mutation CYS 56 1NPQ A P02588 UNP 56 56 1 GLU engineered mutation CYS 63 1NPQ A P02588 UNP 63 63 BINDING SITE FOR RESIDUE CA A 132 A CA 132 Software 5 BINDING SITE FOR RESIDUE CA A 133 A CA 133 Software 5 A ASP 66 A ASP 66 5 1_555 A ASP 68 A ASP 68 5 1_555 A SER 70 A SER 70 5 1_555 A THR 72 A THR 72 5 1_555 A GLU 77 A GLU 77 5 1_555 A ASP 30 A ASP 30 5 1_555 A ALA 31 A ALA 31 5 1_555 A ASP 32 A ASP 32 5 1_555 A ASP 36 A ASP 36 5 1_555 A GLU 41 A GLU 41 5 1_555