SMTL ID : 6xnk.2 (1 other biounit)

Crystal structure of dimeric K72A human cytochrome c alkaline conformer

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.08 Å

Oligo State

homo-dimer

Ligands

2 x HEC: HEME C(Covalent)

HEC.1: 33 residues within 4Å: Chain A: F.10, K.13, C.14, Q.16, C.17, H.18, T.28, G.29, P.30, L.32, L.35, R.38, T.40, G.41, Q.42, A.43, Y.46, Y.48, T.49, A.51, N.52, W.59, L.64, Y.67, L.68, P.76, T.78, K.79, F.82, V.83, K.86 Chain B: L.94, L.98 21 PLIP interactions: 20 interactions with chain A, 1 interactions with chain B, Hydrophobic interactions: A:L.35, A:L.64, A:Y.67, A:L.68, A:P.76, A:K.79, A:K.79, A:F.82, A:F.82, A:K.86, B:L.94 Hydrogen bonds: A:G.41, A:Y.48, A:T.49, A:N.52, A:N.52, A:W.59 Water bridges: A:R.38, A:Q.42 pi-Stacking: A:Y.67 Metal complexes: A:H.18 HEC.2: 32 residues within 4Å: Chain A: L.94, L.98 Chain B: F.10, K.13, C.14, Q.16, C.17, H.18, T.28, G.29, P.30, L.32, L.35, R.38, T.40, G.41, Q.42, A.43, Y.46, Y.48, T.49, A.51, N.52, W.59, L.64, Y.67, L.68, P.76, K.79, F.82, V.83, K.86 17 PLIP interactions: 17 interactions with chain B, Hydrophobic interactions: B:P.30, B:L.35, B:Y.46, B:W.59, B:L.64, B:P.76, B:F.82, B:K.86 Hydrogen bonds: B:G.41, B:Y.48, B:T.49, B:N.52, B:N.52, B:W.59 Water bridges: B:R.38, B:Q.42 Metal complexes: B:H.18

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lei, H. et al., Alkaline State of the Domain-Swapped Dimer of Human Cytochrome c : A Conformational Switch for Apoptotic Peroxidase Activity. J.Am.Chem.Soc. (2022)

Release Date

2021-07-07

Peptides

Cytochrome c: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
G

Cytochrome c

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