SMTL ID : 8scx.1

Cryo-EM structure of the core TIM23 complex from S. cerevisiae

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-1-mer

Ligands

1 x CDL: CARDIOLIPIN(Non-covalent)

CDL.1: 20 residues within 4Å: Chain A: G.63, N.64, V.67, L.71, T.74, A.101, L.102, V.104, R.105 Chain B: L.106, L.109, G.110, G.113, F.114, L.138, I.141, T.142, P.146 Chain C: R.347, F.430 11 PLIP interactions: 4 interactions with chain B, 6 interactions with chain A, 1 interactions with chain C Hydrophobic interactions: B:L.109, B:L.138, B:T.142, A:V.67, A:L.71, A:T.74, A:A.101 Hydrogen bonds: B:T.142, A:N.64 Salt bridges: A:R.105, C:R.347

1 x PTY: PHOSPHATIDYLETHANOLAMINE(Non-covalent)

PTY.2: 24 residues within 4Å: Chain B: I.88, D.96, Y.99, G.100, A.103, V.104, L.107, L.148, A.152, L.155, Y.159, N.160, N.163, D.167, H.173, S.201, M.204, V.205, A.208, C.209, W.212, K.216 Chain C: V.162, I.163 21 PLIP interactions: 19 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: B:I.88, B:Y.99, B:A.103, B:V.104, B:L.107, B:L.148, B:A.152, B:L.155, B:M.204, B:V.205, B:A.208, B:W.212, B:W.212, B:W.212, B:W.212, C:V.162, C:I.163 Hydrogen bonds: B:N.160, B:S.164 Salt bridges: B:H.173, B:K.216

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sim, S.I. et al., Structural basis of mitochondrial protein import by the TIM23 complex. Nature (2023)

Release Date

2023-06-21

Peptides

Mitochondrial import inner membrane translocase subunit TIM17: A
Mitochondrial import inner membrane translocase subunit TIM23: B
Mitochondrial import inner membrane translocase subunit TIM44: C
Antibody Fab fragment light chain: D
Antibody Fab fragment heavy chain: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
L

E
H

Membrane

We predict this structure to be a membrane protein.
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Mitochondrial import inner membrane translocase subunit TIM17

Mitochondrial import inner membrane translocase subunit TIM23

Mitochondrial import inner membrane translocase subunit TIM44

Antibody Fab fragment light chain

Antibody Fab fragment heavy chain

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