SMTL ID : 2l1r.1

The structure of the calcium-sensitizer, dfbp-o, in complex with the N-domain of troponin C and the switch region of troponin I

Coordinates

PDB Format Compare

Method

SOLUTION NMR

Oligo State

hetero-1-1-mer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: D.65, D.67, S.69, T.71, D.73, E.76 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.65, A:D.67, A:S.69, A:D.73, A:E.76

1 x SXK: [(2',4'-difluorobiphenyl-4-yl)oxy]acetic acid(Non-covalent)

SXK.2: 14 residues within 4Å: Chain A: F.27, I.36, L.41, M.45, M.60, E.63, F.77, M.80, M.81, R.83, C.84 Chain B: R.4, I.5, M.10 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:L.41, B:I.5, B:I.5 Salt bridges: A:R.83, B:R.4

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Robertson, I.M. et al., A structural and functional perspective into the mechanism of Ca(2+)-sensitizers that target the cardiac troponin complex. J.MOL.CELL.CARDIOL. (2010)

Release Date

2010-08-18

Peptides

Troponin C: A
Troponin I: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Troponin C

Troponin I

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