SMTL ID : 2krd.1

Solution Structure of the Regulatory Domain of Human Cardiac Troponin C in Complex with the Switch Region of cardiac Troponin I and W7

Coordinates

PDB Format

Method

SOLUTION NMR

Oligo State

hetero-1-1-mer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 7 residues within 4Å: Chain A: D.65, D.67, G.68, S.69, T.71, V.72, E.76 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.65, A:D.67, A:D.67, A:S.69, A:E.76

1 x WW7: N-(6-AMINOHEXYL)-5-CHLORO-1-NAPHTHALENESULFONAMIDE(Non-covalent)

WW7.2: 17 residues within 4Å: Chain A: I.36, L.41, V.44, M.47, L.48, M.60, I.61, V.64, V.72, F.77, M.81 Chain B: I.2, S.3, A.4, D.5, A.6, M.7 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:V.44, A:F.77, B:I.2

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Oleszczuk, M. et al., Solution structure of the regulatory domain of human cardiac troponin C in complex with the switch region of cardiac troponin I and W7: the basis of W7 as an inhibitor of cardiac muscle contraction. J.MOL.CELL.CARDIOL. (2010)

Release Date

2010-02-16

Peptides

Troponin C, slow skeletal and cardiac muscles: A
Troponin I, cardiac muscle: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
I

Troponin C, slow skeletal and cardiac muscles

Troponin I, cardiac muscle

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