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NMR structure of the N-domain of troponin C bound to switch region of troponin I
Authors
Cai, F., Hwang, P.M., Sykes, B.D.
Assembly
Troponin C, slow skeletal and cardiac muscles,Troponin I, cardiac muscle
Entity
1. Troponin C, slow skeletal and cardiac muscles,Troponin I, cardiac muscle (polymer, Thiol state: not present), 120 monomers, 13477.24 Da Detail

MDDIYKAAVE QLTEEQKNEF KAAFDIFVLG AEDGSISTKE LGKVMRMLGQ NPTPEELQEM IDEVDEDGSG TVDFDEFLVM MVRSMKDDSK GKFKRPTLRR VRISADAMMQ ALLGARAKGH


Formula weight
13477.24 Da
Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 92.9 %, Completeness (bb): 97.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All92.9 % (1287 of 1385)92.0 % (668 of 726)94.2 % (504 of 535)92.7 % (115 of 124)
Backbone97.6 % (697 of 714)97.6 % (240 of 246)97.4 % (342 of 351)98.3 % (115 of 117)
Sidechain89.5 % (700 of 782)89.2 % (428 of 480)92.2 % (272 of 295) 0.0 % (0 of 7)
Aromatic47.2 % (34 of 72)47.2 % (17 of 36)47.2 % (17 of 36)
Methyl100.0 % (118 of 118)100.0 % (59 of 59)100.0 % (59 of 59)

1. entity 1

MDDIYKAAVE QLTEEQKNEF KAAFDIFVLG AEDGSISTKE LGKVMRMLGQ NPTPEELQEM IDEVDEDGSG TVDFDEFLVM MVRSMKDDSK GKFKRPTLRR VRISADAMMQ ALLGARAKGH

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details 0.25 mM [U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM DSS, 95% H2O/5% D2O.


#NameIsotope labelingTypeConcentration
1DSSnatural abundance0.25 mM
2cChimera_protein[U-15N]0.25 (±0.05) mM
3calcium chloridenatural abundance10 mM
4imidazolenatural abundance10 mM
5potassium chloridenatural abundance100 mM
Sample #2

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details 0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM DSS, 95% H2O/5% D2O.


#NameIsotope labelingTypeConcentration
6DSSnatural abundance0.25 mM
7cChimera_protein[U-13C; U-15N]0.5 (±0.1) mM
8calcium chloridenatural abundance10 mM
9imidazolenatural abundance10 mM
10potassium chloridenatural abundance100 mM
Sample #3

Solvent system 100% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details 0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM DSS, 100% D2O.


#NameIsotope labelingTypeConcentration
11DSSnatural abundance0.25 mM
12cChimera_protein[U-13C; U-15N]0.5 (±0.1) mM
13calcium chloridenatural abundance10 mM
14imidazolenatural abundance10 mM
15potassium chloridenatural abundance100 mM
Sample #4

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details 0.5 mM [U-10% 13C; U-100% 15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM DSS, 95% H2O/5% D2O.


#NameIsotope labelingTypeConcentration
16DSSnatural abundance0.25 mM
17cChimera_protein[U-10% 13C; U-100% 15N]0.5 (±0.1) mM
18calcium chloridenatural abundance10 mM
19imidazolenatural abundance10 mM
20potassium chloridenatural abundance100 mM

LACS Plot; CA
Referencing offset: -0.08 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: -0.08 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.0 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: -0.37 ppm, Outliers: 2 Detail
Protein Blocks Logo
Calculated from 8 models in PDB: 5VLN, Strand ID: A Detail


Release date
2017-05-14
Citation
Structures reveal details of small molecule binding to cardiac troponin
Cai, F., Li, M.X., Pineda-Sanabria, S.E., Gelozia, S., Lindert, S., West, F., Sykes, B.D., Hwang, P.M.
J. Mol. Cell. Cardiol. (2016), 101, 134-144, PubMed 27825981 , DOI 10.1016/j.yjmcc.2016.10.016 ,
Related entities 1. Troponin C, slow skeletal and cardiac muscles,Troponin I, cardiac muscle, : 1 : 7 : 1 : 27 entities Detail
Experiments performed 13 experiments Detail
NMR combined restraints 3 contents Detail
Keywords CELL INVASION, cardiac troponin calcium binding protein EF hand