1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Wang, X. Li, M.X. 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 C24 H34 N2 O 366.540 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE BEPRIDIL non-polymer 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 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 277 31124 31133 10.1074/jbc.M203896200 12060657 Structure of the regulatory N-domain of human cardiac troponin C in complex with human cardiac troponin I147-163 and bepridil. 2002 10.2210/pdb1lxf/pdb pdb_00001lxf 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M 1 1.0 10070.304 TROPONIN C, SLOW SKELETAL AND CARDIAC MUSCLES Regulatory N Domain (residues 1-89) 1 man polymer 1806.183 Troponin I, cardiac muscle Switch Peptide (residues 147-163) 1 syn polymer 40.078 CALCIUM ION 1 syn non-polymer 366.540 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE 1 syn non-polymer Cardiac Troponin C, TN-C no no MDDIYKAAVEQLTEEQKNEFKAAFDIFVLGAEDGCISTKELGKVMRMLGQNPTPEELQEMIDEVDEDGSGTVDFDEFLVM MVRCMKDDS MDDIYKAAVEQLTEEQKNEFKAAFDIFVLGAEDGCISTKELGKVMRMLGQNPTPEELQEMIDEVDEDGSGTVDFDEFLVM MVRCMKDDS C polypeptide(L) no no RISADAMMQALLGARAK RISADAMMQALLGARAK I 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 human Homo Escherichia sample TNNC 9606 Homo sapiens 562 Escherichia coli BL21-(DE3plysS) plasmid pET-3a database_2 pdbx_struct_assembly pdbx_struct_conn_angle pdbx_struct_oper_list struct_conn struct_site repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2002-12-11 1 1 2008-04-28 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _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_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2002-06-05 REL REL CA CALCIUM ION BEP 1-ISOBUTOXY-2-PYRROLIDINO-3[N-BENZYLANILINO] PROPANE The sequence of the protein is naturally found in Homo sapiens. The protein was chemically synthesized. sample all calculated structures submitted 30 30 3D_15N-separated_NOESY 3D_15N-separated_DIPSI HCCH-TOCSY 3D_13C,15N-separated-NOESY CBCACONNH HNCACB 2D_13C, 15N-filtered NOESY 2D_13C, 15N-filtered DIPSI 3D_13C, 15N-filtered, edited NOESY 0.1 6.7 ambient 303 K A total of 1169 NOE restraints, 88 dihedral angle restraints used for the refinement of cNTnC, 30 NOE restraints used between cNTnC and cTnI147-163, 28 NOE restraints used between cNTnC and bepridil, 24 intramolecular NOE restraints and 12 dihedral angle restraints used within cTnI147-163. simulated annealing 1 lowest energy 1mM cNTnC, 3mM cTnI147-163, 1.5mM bepridil, 5mM DTT, 100mM KCl, 10mM IMDZ, trace amount of NaN3, 50uM DSS, 90% H2O, 10% D2O 90% H2O/10% D2O Delaglio, Frank processing NMRPipe 2.1 Johnson, Bruce data analysis NMRView 5.0.4 Brunger refinement X-PLOR 3.85 500 Varian Unity Inova 600 Varian UNITY 800 Varian UNITYPLUS CAL 93 3 CA CA 93 C BEP 92 4 BEP BEP 92 C MET 1 n 1 MET 1 C ASP 2 n 2 ASP 2 C ASP 3 n 3 ASP 3 C ILE 4 n 4 ILE 4 C TYR 5 n 5 TYR 5 C LYS 6 n 6 LYS 6 C ALA 7 n 7 ALA 7 C ALA 8 n 8 ALA 8 C VAL 9 n 9 VAL 9 C GLU 10 n 10 GLU 10 C GLN 11 n 11 GLN 11 C LEU 12 n 12 LEU 12 C THR 13 n 13 THR 13 C GLU 14 n 14 GLU 14 C GLU 15 n 15 GLU 15 C GLN 16 n 16 GLN 16 C LYS 17 n 17 LYS 17 C ASN 18 n 18 ASN 18 C GLU 19 n 19 GLU 19 C PHE 20 n 20 PHE 20 C LYS 21 n 21 LYS 21 C ALA 22 n 22 ALA 22 C ALA 23 n 23 ALA 23 C PHE 24 n 24 PHE 24 C ASP 25 n 25 ASP 25 C ILE 26 n 26 ILE 26 C PHE 27 n 27 PHE 27 C VAL 28 n 28 VAL 28 C LEU 29 n 29 LEU 29 C GLY 30 n 30 GLY 30 C ALA 31 n 31 ALA 31 C GLU 32 n 32 GLU 32 C ASP 33 n 33 ASP 33 C GLY 34 n 34 GLY 34 C CYS 35 n 35 CYS 35 C ILE 36 n 36 ILE 36 C SER 37 n 37 SER 37 C THR 38 n 38 THR 38 C LYS 39 n 39 LYS 39 C GLU 40 n 40 GLU 40 C LEU 41 n 41 LEU 41 C GLY 42 n 42 GLY 42 C LYS 43 n 43 LYS 43 C VAL 44 n 44 VAL 44 C MET 45 n 45 MET 45 C ARG 46 n 46 ARG 46 C MET 47 n 47 MET 47 C LEU 48 n 48 LEU 48 C GLY 49 n 49 GLY 49 C GLN 50 n 50 GLN 50 C ASN 51 n 51 ASN 51 C PRO 52 n 52 PRO 52 C THR 53 n 53 THR 53 C PRO 54 n 54 PRO 54 C GLU 55 n 55 GLU 55 C GLU 56 n 56 GLU 56 C LEU 57 n 57 LEU 57 C GLN 58 n 58 GLN 58 C GLU 59 n 59 GLU 59 C MET 60 n 60 MET 60 C ILE 61 n 61 ILE 61 C ASP 62 n 62 ASP 62 C GLU 63 n 63 GLU 63 C VAL 64 n 64 VAL 64 C ASP 65 n 65 ASP 65 C GLU 66 n 66 GLU 66 C ASP 67 n 67 ASP 67 C GLY 68 n 68 GLY 68 C SER 69 n 69 SER 69 C GLY 70 n 70 GLY 70 C THR 71 n 71 THR 71 C VAL 72 n 72 VAL 72 C ASP 73 n 73 ASP 73 C PHE 74 n 74 PHE 74 C ASP 75 n 75 ASP 75 C GLU 76 n 76 GLU 76 C PHE 77 n 77 PHE 77 C LEU 78 n 78 LEU 78 C VAL 79 n 79 VAL 79 C MET 80 n 80 MET 80 C MET 81 n 81 MET 81 C VAL 82 n 82 VAL 82 C ARG 83 n 83 ARG 83 C CYS 84 n 84 CYS 84 C MET 85 n 85 MET 85 C LYS 86 n 86 LYS 86 C ASP 87 n 87 ASP 87 C ASP 88 n 88 ASP 88 C SER 89 n 89 SER 89 C ARG 147 n 1 ARG 147 I ILE 148 n 2 ILE 148 I SER 149 n 3 SER 149 I ALA 150 n 4 ALA 150 I ASP 151 n 5 ASP 151 I ALA 152 n 6 ALA 152 I MET 153 n 7 MET 153 I MET 154 n 8 MET 154 I GLN 155 n 9 GLN 155 I ALA 156 n 10 ALA 156 I LEU 157 n 11 LEU 157 I LEU 158 n 12 LEU 158 I GLY 159 n 13 GLY 159 I ALA 160 n 14 ALA 160 I ARG 161 n 15 ARG 161 I ALA 162 n 16 ALA 162 I LYS 163 n 17 LYS 163 I author_defined_assembly 2 dimeric C VAL 64 A O VAL 64 1_555 C CA 93 C CA CA 1_555 C ASP 65 A OD1 ASP 65 1_555 90.2 C VAL 64 A O VAL 64 1_555 C CA 93 C CA CA 1_555 C ASP 67 A OD1 ASP 67 1_555 106.9 C ASP 65 A OD1 ASP 65 1_555 C CA 93 C CA CA 1_555 C ASP 67 A OD1 ASP 67 1_555 108.6 C VAL 64 A O VAL 64 1_555 C CA 93 C CA CA 1_555 C SER 69 A OG SER 69 1_555 164.1 C ASP 65 A OD1 ASP 65 1_555 C CA 93 C CA CA 1_555 C SER 69 A OG SER 69 1_555 78.7 C ASP 67 A OD1 ASP 67 1_555 C CA 93 C CA CA 1_555 C SER 69 A OG SER 69 1_555 66.7 C VAL 64 A O VAL 64 1_555 C CA 93 C CA CA 1_555 C THR 71 A O THR 71 1_555 109.1 C ASP 65 A OD1 ASP 65 1_555 C CA 93 C CA CA 1_555 C THR 71 A O THR 71 1_555 54.2 C ASP 67 A OD1 ASP 67 1_555 C CA 93 C CA CA 1_555 C THR 71 A O THR 71 1_555 139.6 C SER 69 A OG SER 69 1_555 C CA 93 C CA CA 1_555 C THR 71 A O THR 71 1_555 73.7 C VAL 64 A O VAL 64 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE2 GLU 76 1_555 78.2 C ASP 65 A OD1 ASP 65 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE2 GLU 76 1_555 133.2 C ASP 67 A OD1 ASP 67 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE2 GLU 76 1_555 118.2 C SER 69 A OG SER 69 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE2 GLU 76 1_555 117.7 C THR 71 A O THR 71 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE2 GLU 76 1_555 86.9 C VAL 64 A O VAL 64 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE1 GLU 76 1_555 45.8 C ASP 65 A OD1 ASP 65 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE1 GLU 76 1_555 91.9 C ASP 67 A OD1 ASP 67 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE1 GLU 76 1_555 147.0 C SER 69 A OG SER 69 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE1 GLU 76 1_555 144.8 C THR 71 A O THR 71 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE1 GLU 76 1_555 73.4 C GLU 76 A OE2 GLU 76 1_555 C CA 93 C CA CA 1_555 C GLU 76 A OE1 GLU 76 1_555 48.3 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1 C C O H LYS LYS 17 21 1.50 1 C C O H LEU MET 57 60 1.55 2 C C O H LYS LYS 17 21 1.49 2 C C O H ILE ASP 61 65 1.52 2 C C O H TYR VAL 5 9 1.57 3 C C O H ILE ASP 61 65 1.59 3 C C O H GLN ILE 58 61 1.59 4 C C O H GLU ASN 15 18 1.52 4 C C O H ILE ASP 61 65 1.54 4 C C O H MET LEU 45 48 1.55 5 C C O H ILE ASP 61 65 1.49 5 C C O H MET MET 81 85 1.51 5 C C O H ASP LYS 2 6 1.53 5 C C O H ILE LEU 26 29 1.54 6 C C O H ILE ASP 61 65 1.48 6 C C OD1 H ASP ASP 73 75 1.57 7 C C O H ILE ASP 61 65 1.51 7 C C OD1 H ASP GLY 33 34 1.54 7 C C O H VAL LYS 82 86 1.58 8 C C O H ALA GLN 7 11 1.47 8 I I O H LEU ALA 157 160 1.57 8 C C O H ILE ASP 61 65 1.58 8 C C O H MET MET 81 85 1.58 8 C C OD1 H ASP ASP 73 75 1.59 8 I I O H ALA MET 150 154 1.59 9 C C O H TYR VAL 5 9 1.55 9 C C O H LEU VAL 78 82 1.56 9 C C O H VAL ARG 79 83 1.59 10 C C O H ALA PHE 23 27 1.53 10 C C O H ALA ASP 22 25 1.56 10 C C O H ILE ASP 61 65 1.59 10 C C OD1 H ASP ASP 73 75 1.60 11 C C O H ILE ASP 61 65 1.53 11 C C O H GLU MET 76 80 1.55 11 C C O H ILE VAL 61 64 1.57 11 C C OD1 H ASP ASP 73 75 1.58 11 C C OD1 H ASP GLY 33 34 1.58 11 C C O H MET MET 81 85 1.59 12 C C O H VAL ARG 79 83 1.43 12 C C O H LEU MET 57 60 1.51 12 C C H OE2 ASP GLU 73 76 1.55 12 C C O H ILE ASP 61 65 1.58 13 C C O H ILE ASP 61 65 1.56 13 C C O H LYS LYS 17 21 1.59 14 C C O H VAL ARG 79 83 1.49 14 C C O H GLU ASN 14 18 1.53 14 C C O H LEU VAL 41 44 1.53 14 C C O H ILE ASP 61 65 1.53 15 C C OD1 H ASP GLU 73 76 1.46 15 C C OD1 H ASP ASP 73 75 1.52 16 C C O H ASP LYS 2 6 1.48 16 C C O H ALA GLN 7 11 1.53 16 C C O H MET LEU 45 48 1.56 18 C C O H ILE ASP 61 65 1.49 18 I I O H GLY ARG 159 161 1.59 19 C C O H ILE ASP 61 65 1.57 19 C C O H LEU MET 78 81 1.57 20 C C O H ILE ASP 61 65 1.50 20 C C O H ALA GLN 7 11 1.60 21 C C O H ILE VAL 61 64 1.55 22 C C O H LEU MET 57 60 1.48 22 C C O H MET MET 81 85 1.53 23 C C H OE1 THR GLN 13 16 1.51 23 C C O H ILE ASP 61 65 1.54 23 C C OD1 H ASP ASP 73 75 1.57 24 C C O H GLU GLU 15 19 1.48 24 C C O H GLU LYS 40 43 1.50 24 C C O H LEU MET 57 60 1.58 24 C C OD1 H ASP ASP 73 75 1.58 25 C C OD1 HG ASP SER 67 69 1.49 25 C C O H ILE LEU 26 29 1.55 25 C C O H ILE ASP 61 65 1.60 26 C C O H MET MET 81 85 1.50 26 C C O H ILE VAL 61 64 1.54 26 C C O H VAL GLU 64 66 1.59 27 C C O H ALA PHE 23 27 1.45 27 C C O H GLU LYS 40 43 1.46 27 C C O H TYR VAL 5 9 1.47 27 C C O H ILE VAL 61 64 1.52 28 C C HG OE1 SER GLU 37 40 1.53 28 C C O H ALA PHE 23 27 1.54 28 C C O H GLN GLU 16 19 1.55 28 C C O H VAL ARG 79 83 1.56 29 C C O H ILE ASP 61 65 1.51 29 C C O H GLU LYS 40 43 1.52 29 C C O H TYR VAL 5 9 1.53 29 I I O H MET LEU 154 157 1.55 30 C C O H ILE ASP 61 65 1.46 30 C C O H GLU LYS 40 43 1.54 1 C GLU 15 -70.18 -75.59 1 C ASP 33 -110.76 -91.86 1 C ASP 73 -61.22 -165.18 1 C ASP 75 -87.38 -77.35 1 C PHE 77 -54.72 -74.22 1 C ASP 87 164.48 65.59 1 I ALA 150 83.79 -52.47 2 C ASP 2 173.89 -44.22 2 C ASP 33 -118.88 -90.24 2 C LYS 43 -41.11 -74.36 2 C ASN 51 -114.56 79.97 2 C ASP 73 -55.04 -172.11 2 C ASP 75 -89.24 -77.51 3 C ASP 2 167.16 -35.58 3 C GLU 15 -80.21 -72.28 3 C ALA 22 -40.79 -70.68 3 C ASP 33 -168.59 -81.27 3 C ASP 65 -67.99 63.46 3 C ASP 73 -55.52 -170.65 3 C ASP 75 -110.72 -74.76 3 C PHE 77 -59.35 -71.48 3 C MET 80 -37.50 -39.24 3 C ASP 88 -37.41 130.82 3 I ALA 150 164.73 -35.14 3 I LEU 157 -118.59 64.94 3 I LEU 158 -105.70 64.00 3 I ARG 161 -146.27 38.20 4 C LEU 12 -42.98 152.96 4 C GLU 15 -58.44 -74.72 4 C GLU 19 -37.72 -39.01 4 C ASP 33 -120.18 -83.08 4 C LEU 48 -108.64 43.26 4 C ASP 73 -48.96 -177.66 4 C PHE 77 -37.87 -77.37 4 C LEU 78 -34.08 -72.21 4 C ASP 87 -157.61 53.45 4 C ASP 88 -41.76 99.16 4 I SER 149 -69.11 -70.87 4 I ALA 150 157.41 -28.47 4 I ALA 160 84.22 -50.65 4 I ARG 161 -162.00 -44.86 5 C ILE 4 -39.96 -31.89 5 C GLU 14 -38.69 -34.64 5 C ASN 18 -62.23 -72.69 5 C GLU 19 -38.82 -30.02 5 C ILE 26 -108.48 -67.93 5 C ASP 33 -129.87 -76.45 5 C THR 38 -38.82 -31.05 5 C LEU 48 -96.90 -85.27 5 C ASP 75 -81.23 -82.02 5 C MET 80 -38.01 -70.33 5 C VAL 82 -39.04 -29.12 5 C ASP 87 175.23 -164.30 5 I ALA 150 84.11 -10.53 5 I LEU 157 -97.19 40.14 6 C ASP 2 -108.47 66.41 6 C ASP 33 -133.94 -89.82 6 C ILE 36 -101.70 74.53 6 C ASP 75 -105.61 -76.14 6 C PHE 77 -54.74 -78.85 6 C ASP 87 -154.80 77.09 6 I ALA 150 83.10 -5.94 6 I ALA 160 -168.47 -72.94 7 C ASN 18 -45.86 -71.56 7 C ASP 33 -156.31 -69.65 7 C ASP 65 -69.70 59.88 7 C ASP 73 -68.79 -156.54 7 C ASP 75 -82.69 -80.85 7 C LEU 78 -54.73 -77.32 7 C VAL 79 -35.94 -36.45 7 C ARG 83 -37.46 -33.46 7 C ASP 87 179.51 36.91 7 C ASP 88 -39.62 140.96 7 I SER 149 -61.97 -89.92 7 I ALA 150 159.72 -24.30 7 I LEU 157 -158.91 65.94 7 I ALA 160 -60.61 -72.50 8 C ASP 2 87.74 -42.84 8 C ILE 4 -37.98 -32.07 8 C ASN 18 -60.45 -76.89 8 C GLU 19 -39.50 -30.34 8 C ASP 33 -160.91 -88.77 8 C ASP 73 -61.16 -168.42 8 C ASP 75 -104.56 -77.61 8 C PHE 77 -56.17 -81.66 8 C ASP 87 72.91 96.23 8 C ASP 88 -41.53 156.23 8 I SER 149 -96.89 -61.37 8 I ALA 150 175.31 -33.10 9 C GLU 15 -75.46 -76.67 9 C ASN 18 -73.24 -73.87 9 C GLU 19 -37.75 -34.75 9 C ALA 31 -54.75 178.17 9 C GLU 32 -100.17 -82.81 9 C ASP 33 -43.27 -92.46 9 C LEU 48 -75.78 -73.79 9 C PRO 52 -79.39 -166.94 9 C ASP 73 -54.38 -170.77 9 C ASP 75 -98.30 -79.35 9 I ILE 148 68.59 -74.97 9 I SER 149 43.89 -90.33 9 I ALA 150 161.53 -50.64 9 I MET 154 -37.13 -37.36 9 I LEU 158 -67.35 -79.33 9 I ALA 160 61.73 -88.90 9 I ALA 162 51.69 85.26 10 C GLU 15 -61.21 -74.88 10 C LEU 29 -39.43 117.96 10 C ASP 33 -108.83 -69.86 10 C LEU 48 -47.36 -86.68 10 C ASP 73 -49.12 -173.11 10 C ASP 75 -102.21 -82.81 10 C PHE 77 -50.44 -70.52 10 C MET 85 -38.00 -38.47 10 C ASP 87 69.21 153.72 10 C ASP 88 -56.78 109.98 10 I SER 149 87.64 -39.34 10 I ALA 150 84.38 -7.52 10 I ALA 160 -162.77 62.46 10 I ARG 161 -166.08 -42.10 10 I ALA 162 162.91 173.64 11 C ASP 2 -101.76 50.91 11 C ILE 4 -38.69 -34.14 11 C GLU 15 -49.60 -72.27 11 C GLU 19 -38.52 -34.07 11 C VAL 28 -146.25 46.10 11 C GLU 32 -77.32 -71.08 11 C SER 37 -127.69 -167.49 11 C ASP 73 -68.85 -168.61 11 C LYS 86 -101.44 -61.03 11 C ASP 87 -102.62 50.79 11 C ASP 88 -37.38 138.70 11 I ILE 148 -88.93 45.48 11 I ALA 150 84.90 -4.74 11 I ALA 162 161.16 82.11 12 C GLU 14 -37.74 -30.40 12 C GLU 15 -59.81 -74.87 12 C GLU 32 -100.36 -69.21 12 C ASP 33 -101.03 -65.85 12 C ASP 73 -55.12 -170.23 12 C ASP 75 -71.11 -72.77 12 C PHE 77 -43.01 -87.61 12 C ASP 88 -46.79 100.82 12 I LEU 157 -105.74 41.13 12 I ALA 160 -57.04 105.21 13 C ASP 2 -66.10 99.81 13 C GLU 15 -69.27 -72.09 13 C ALA 31 -59.30 175.17 13 C GLU 32 -91.42 -77.84 13 C ASP 33 -63.64 -89.35 13 C LEU 48 -113.60 -81.65 13 C ASP 73 -60.89 -170.52 13 C PHE 77 -37.58 -71.98 13 C LEU 78 -37.81 -76.94 13 C LYS 86 -97.34 -69.25 13 C ASP 87 -112.24 70.84 13 C ASP 88 -52.80 87.14 13 I ALA 150 87.36 -25.65 13 I ALA 162 60.64 121.58 14 C GLU 14 -39.56 -30.41 14 C GLU 15 -59.40 -72.53 14 C ASP 33 -135.51 -90.98 14 C THR 38 -39.84 -35.02 14 C LYS 39 -79.45 -72.20 14 C ASP 73 -51.29 -177.54 14 C ASP 75 -89.16 -83.00 14 C ASP 87 176.20 97.28 14 I LEU 157 -120.41 -72.24 15 C LEU 12 -44.04 165.62 15 C GLU 15 -53.33 -77.95 15 C ASN 18 -62.50 -73.45 15 C GLU 19 -39.83 -36.00 15 C ASP 33 -107.64 -84.88 15 C PHE 77 -50.07 -74.80 15 I ILE 148 37.73 31.95 15 I LEU 157 -148.33 45.93 15 I ALA 162 -165.48 -65.47 16 C ASP 3 -46.98 -70.22 16 C ILE 4 -37.89 -32.34 16 C LEU 12 -46.42 153.15 16 C ASN 18 -83.25 -72.44 16 C ASP 33 -97.73 -77.74 16 C ASP 75 -91.10 -80.32 16 C PHE 77 -51.99 -75.02 16 C MET 85 -36.52 -31.73 16 C ASP 87 76.92 71.31 16 I ILE 148 62.95 103.53 16 I ALA 150 84.26 -13.10 16 I MET 154 -38.14 -34.34 16 I ALA 162 -168.79 -54.93 17 C ASP 2 178.86 61.07 17 C ILE 4 -39.85 -30.79 17 C GLU 15 -51.09 -71.81 17 C LYS 17 -38.58 -37.80 17 C ASN 18 -66.37 -72.68 17 C ALA 31 -58.49 178.20 17 C ASP 33 -105.00 -83.75 17 C LEU 48 -121.58 -71.71 17 C PRO 52 -79.95 -165.68 17 C ASP 73 -60.02 -169.27 17 C ASP 75 -102.82 -74.83 17 C PHE 77 -55.99 -89.10 17 C ASP 87 -154.82 76.14 17 I ALA 150 87.62 -43.52 17 I ALA 160 65.62 84.58 17 I ALA 162 -70.80 -73.60 18 C ASP 2 -111.66 59.33 18 C LEU 12 -42.63 167.07 18 C GLU 15 -60.07 -74.17 18 C ASN 18 -70.63 -72.24 18 C GLU 19 -38.86 -35.87 18 C ALA 31 -53.31 -176.73 18 C ASP 33 -137.33 -87.64 18 C ASP 73 -54.62 -173.39 18 C ASP 75 -98.53 -75.69 18 C ASP 87 -165.07 119.28 18 I ALA 150 86.50 -16.76 18 I LEU 157 -88.36 -78.97 18 I LEU 158 60.02 -85.35 18 I ALA 160 66.05 -63.36 19 C GLU 15 -67.74 -70.31 19 C LYS 17 -37.78 -38.26 19 C ASP 33 -131.88 -81.14 19 C LEU 48 -45.07 -83.28 19 C ASP 73 -70.13 -163.22 19 C ASP 75 -101.67 -83.95 19 C ASP 88 -41.50 166.62 19 I ALA 150 81.39 -53.07 19 I MET 154 -37.05 -32.12 19 I LEU 157 -72.50 -77.71 19 I ARG 161 -177.53 -71.65 20 C ASP 2 -58.88 -162.65 20 C GLU 19 -37.51 -39.95 20 C ASP 33 -134.14 -93.88 20 C ASN 51 -115.27 78.80 20 C ASP 73 -48.92 -178.04 20 C PHE 77 -37.91 -78.59 20 C LEU 78 -34.00 -72.91 20 C ASP 87 -156.63 60.57 20 I ALA 150 85.77 -6.98 20 I LEU 157 -150.53 34.74 20 I ALA 160 -172.69 -60.22 20 I ALA 162 -170.52 -169.00 21 C ASP 2 173.80 -37.49 21 C ASN 18 -64.35 -72.41 21 C GLU 19 -39.01 -33.57 21 C ASP 33 -113.04 -86.42 21 C SER 37 -128.32 -163.04 21 C ASP 73 -56.15 -172.57 21 C ASP 75 -103.21 -71.37 21 C VAL 82 -39.09 -32.60 21 C ARG 83 -57.95 -75.08 21 C ASP 87 -162.73 92.70 21 I LEU 158 -52.88 88.87 21 I ALA 160 67.96 -63.94 21 I ARG 161 -87.55 -71.49 22 C ASP 33 -126.30 -88.35 22 C LEU 48 -82.08 -71.17 22 C ASP 65 -93.66 52.41 22 C ASP 73 -52.94 -173.35 22 C ASP 75 -95.32 -79.67 22 C PHE 77 -49.31 -80.32 22 C ASP 87 65.71 111.05 22 C ASP 88 -59.85 100.66 22 I ILE 148 37.38 37.18 22 I LEU 157 -92.80 38.79 22 I ALA 162 58.60 111.73 23 C ASP 2 -146.45 26.96 23 C GLU 15 -49.78 -76.77 23 C VAL 28 -144.53 27.14 23 C ALA 31 -51.83 -169.94 23 C ASP 33 -142.85 -81.47 23 C ILE 36 -101.79 75.74 23 C ASP 73 -54.47 -164.06 23 C MET 80 -34.58 -36.23 23 C ASP 87 -118.15 63.22 23 C ASP 88 -55.99 175.87 23 I SER 149 174.41 -50.23 23 I ALA 150 -176.69 -48.97 23 I LEU 157 -158.76 66.39 23 I ALA 160 -42.40 -78.47 24 C ASP 2 -100.21 68.83 24 C GLU 14 -37.75 -37.87 24 C ASP 33 -125.52 -85.80 24 C ASP 75 -100.62 -82.26 24 C PHE 77 -65.21 -77.33 24 C ARG 83 -58.74 -76.68 24 C MET 85 -40.89 -72.90 24 C ASP 88 -48.67 102.69 24 I ALA 150 83.80 -13.27 24 I ARG 161 46.16 70.32 25 C ASP 2 -89.99 39.99 25 C ILE 4 -37.41 -33.23 25 C LYS 6 -38.08 -36.05 25 C ASN 18 -51.91 -74.01 25 C ILE 26 -106.07 -66.92 25 C ALA 31 -41.23 168.84 25 C ASP 33 -105.92 -90.55 25 C ASP 73 -69.43 -179.38 25 C ASP 75 -72.50 -86.01 25 C PHE 77 -53.01 -72.27 25 I ARG 161 39.07 75.51 25 I ALA 162 -166.98 60.94 26 C GLU 15 -55.42 -73.04 26 C VAL 28 -140.21 35.07 26 C ASP 33 -116.12 -90.45 26 C LEU 48 -54.72 -77.64 26 C ASP 65 -67.69 60.61 26 C ASP 73 -60.49 -166.66 26 C ASP 75 -57.47 -80.65 26 C VAL 79 -38.03 -37.91 26 I LEU 158 -67.57 62.66 26 I ALA 160 67.25 -72.76 26 I ARG 161 -90.97 56.10 27 C GLU 15 -57.66 -71.13 27 C ASP 33 -140.05 -90.60 27 C LEU 48 -84.38 -72.65 27 C ASP 73 -55.29 -170.64 27 C ASP 75 -90.36 -83.54 27 C PHE 77 -65.98 -75.92 27 C MET 80 -36.62 -32.53 27 C LYS 86 -91.10 -69.57 27 C ASP 87 -110.16 62.76 27 C ASP 88 -42.22 164.28 27 I ALA 150 167.68 -32.58 27 I LEU 158 -97.04 54.09 27 I ALA 162 67.64 -72.21 28 C ALA 7 -56.69 -70.16 28 C GLU 32 -42.30 -75.12 28 C ASP 33 -103.72 -78.22 28 C ILE 36 -106.43 77.64 28 C SER 37 -67.28 -178.94 28 C ASP 65 -66.12 79.45 28 C ASP 73 -76.03 -168.95 28 C ASP 75 -88.45 -87.30 28 C PHE 77 -63.07 -72.87 28 C MET 81 -76.38 -74.66 28 C LYS 86 -142.23 -50.64 28 C ASP 88 -48.71 93.93 28 I ILE 148 -168.38 34.11 28 I ALA 150 81.56 -6.28 28 I MET 154 -37.72 -32.48 28 I ALA 160 52.93 -89.24 28 I ARG 161 -151.60 39.14 29 C ASP 2 -102.39 66.40 29 C ILE 4 -39.21 -31.64 29 C GLU 15 -61.65 -72.70 29 C ASN 18 -54.33 -72.46 29 C GLU 19 -38.95 -36.69 29 C VAL 28 -146.24 25.01 29 C GLU 32 -42.82 -71.19 29 C ASP 33 -109.40 -68.63 29 C THR 38 -38.73 -34.38 29 C ASP 65 -69.90 65.10 29 C ASP 73 -55.59 -172.79 29 C ASP 75 -101.18 -75.75 29 C PHE 77 -52.15 -76.35 29 C LYS 86 -90.46 -73.59 29 C ASP 87 -99.21 56.10 29 I ILE 148 50.65 77.62 29 I SER 149 -113.08 -85.34 29 I ALA 150 161.59 -49.77 30 C LEU 12 -52.57 108.92 30 C GLU 15 -42.14 -72.55 30 C ASN 18 -67.81 -76.32 30 C GLU 19 -39.18 -30.77 30 C VAL 28 -142.93 26.86 30 C ASP 33 -112.23 -82.83 30 C LEU 41 -36.21 -39.71 30 C ASP 65 -64.87 70.57 30 C ASP 73 -57.16 -170.98 30 C ASP 75 -83.90 -75.81 30 C PHE 77 -49.37 -76.62 30 C LYS 86 -142.11 16.90 30 C ASP 87 160.30 59.14 30 C ASP 88 -62.87 99.67 30 I ALA 150 85.94 -16.06 30 I LEU 157 -150.10 50.87 30 I ALA 160 48.92 98.72 30 I ARG 161 85.77 -66.86 Structure of the Regulatory N-domain of Human Cardiac Troponin C in Complex with Human Cardiac Troponin-I(147-163) and Bepridil 1 N N 2 N N 3 N N 4 N N C ASP 2 A ASP 2 HELX_P C LEU 12 A LEU 12 1 1 11 C THR 13 A THR 13 HELX_P C VAL 28 A VAL 28 1 2 16 C SER 37 A SER 37 HELX_P C LEU 48 A LEU 48 1 3 12 C THR 53 A THR 53 HELX_P C ASP 65 A ASP 65 1 4 13 C ASP 73 A ASP 73 HELX_P C LYS 86 A LYS 86 1 5 14 I ALA 150 B ALA 4 HELX_P I LEU 157 B LEU 11 1 6 8 metalc 3.282 C VAL 64 A O VAL 64 1_555 C CA 93 C CA CA 1_555 metalc 2.778 C ASP 65 A OD1 ASP 65 1_555 C CA 93 C CA CA 1_555 metalc 2.721 C ASP 67 A OD1 ASP 67 1_555 C CA 93 C CA CA 1_555 metalc 2.209 C SER 69 A OG SER 69 1_555 C CA 93 C CA CA 1_555 metalc 2.786 C THR 71 A O THR 71 1_555 C CA 93 C CA CA 1_555 metalc 2.447 C GLU 76 A OE2 GLU 76 1_555 C CA 93 C CA CA 1_555 metalc 2.768 C GLU 76 A OE1 GLU 76 1_555 C CA 93 C CA CA 1_555 METAL BINDING PROTEIN, PROTEIN BINDING muscle, cardiac troponin C-drug interaction, bepridil, cardiac troponin I-drug interaction, METAL BINDING PROTEIN, PROTEIN BINDING TNNC1_HUMAN UNP 1 1 P63316 MDDIYKAAVEQLTEEQKNEFKAAFDIFVLGAEDGCISTKELGKVMRMLGQNPTPEELQEMIDEVDEDGSGTVDFDEFLVM MVRCMKDDS TNNI3_HUMAN UNP 2 148 P19429 RISADAMMQALLGARAK 1 89 1LXF 1 89 P63316 C 1 1 89 148 164 1LXF 147 163 P19429 I 2 1 17 BINDING SITE FOR RESIDUE CA C 93 C CA 93 Software 6 BINDING SITE FOR RESIDUE BEP C 92 C BEP 92 Software 13 C VAL 64 A VAL 64 6 1_555 C ASP 65 A ASP 65 6 1_555 C ASP 67 A ASP 67 6 1_555 C SER 69 A SER 69 6 1_555 C THR 71 A THR 71 6 1_555 C GLU 76 A GLU 76 6 1_555 C PHE 27 A PHE 27 13 1_555 C LEU 41 A LEU 41 13 1_555 C MET 45 A MET 45 13 1_555 C LEU 48 A LEU 48 13 1_555 C MET 60 A MET 60 13 1_555 C ILE 61 A ILE 61 13 1_555 C VAL 72 A VAL 72 13 1_555 C PHE 77 A PHE 77 13 1_555 C MET 80 A MET 80 13 1_555 C MET 81 A MET 81 13 1_555 C CYS 84 A CYS 84 13 1_555 I ILE 148 B ILE 2 13 1_555 I MET 153 B MET 7 13 1_555