SMTL ID : 7xqg.1

Hemichannel-focused structure of C-terminal truncated connexin43/Cx43/GJA1 gap junction intercellular channel in POPE nanodiscs (GCN conformation)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-hexamer

Ligands

6 x PTY: PHOSPHATIDYLETHANOLAMINE(Non-covalent)

PTY.1: 7 residues within 4Å: Chain A: W.4, S.5, G.8, K.9, D.12 Chain B: A.6, R.101 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:A.6 Salt bridges: B:R.101 PTY.3: 7 residues within 4Å: Chain B: W.4, S.5, G.8, K.9, D.12 Chain C: A.6, R.101 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:A.6 Salt bridges: C:R.101 PTY.5: 7 residues within 4Å: Chain C: W.4, S.5, G.8, K.9, D.12 Chain D: A.6, R.101 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:A.6 Salt bridges: D:R.101 PTY.7: 7 residues within 4Å: Chain D: W.4, S.5, G.8, K.9, D.12 Chain E: A.6, R.101 2 PLIP interactions: 2 interactions with chain E Hydrophobic interactions: E:A.6 Salt bridges: E:R.101 PTY.9: 7 residues within 4Å: Chain E: W.4, S.5, G.8, K.9, D.12 Chain F: A.6, R.101 2 PLIP interactions: 2 interactions with chain F Hydrophobic interactions: F:A.6 Salt bridges: F:R.101 PTY.11: 7 residues within 4Å: Chain A: A.6, R.101 Chain F: W.4, S.5, G.8, K.9, D.12 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:A.6 Salt bridges: A:R.101

6 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.2: 4 residues within 4Å: Chain A: L.26, S.86, T.89, Y.155 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.155 Y01.4: 4 residues within 4Å: Chain B: L.26, S.86, T.89, Y.155 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Y.155 Y01.6: 4 residues within 4Å: Chain C: L.26, S.86, T.89, Y.155 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:Y.155 Y01.8: 4 residues within 4Å: Chain D: L.26, S.86, T.89, Y.155 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:Y.155 Y01.10: 4 residues within 4Å: Chain E: L.26, S.86, T.89, Y.155 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:Y.155 Y01.12: 4 residues within 4Å: Chain F: L.26, S.86, T.89, Y.155 1 PLIP interactions: 1 interactions with chain F Hydrogen bonds: F:Y.155

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, H.J. et al., Conformational changes in the human Cx43/GJA1 gap junction channel visualized using cryo-EM. Nat Commun (2023)

Release Date

2023-01-25

Peptides

Gap junction alpha-1 protein: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

Membrane

We predict this structure to be a membrane protein.
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Gap junction alpha-1 protein

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