SMTL ID : 8qa2.1

Cryo-EM structure of Cx26 solubilised in LMNG: classification on subunit A; Nconst-mon conformation

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-12-mer

Ligands

13 x PTY: PHOSPHATIDYLETHANOLAMINE(Non-covalent)

PTY.1: 3 residues within 4Å: Chain A: L.90, M.93, H.94 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.90, A:L.90 PTY.2: 8 residues within 4Å: Chain A: T.186, V.190, V.193, F.194 Chain B: P.70, L.76, L.79, M.157 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:V.193, A:F.194, B:L.76, B:L.79 Water bridges: A:R.165 PTY.3: 6 residues within 4Å: Chain A: V.37, L.81, I.82, S.85 Chain F: M.34, V.38 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain F Hydrophobic interactions: A:V.37, A:L.81, A:I.82, F:V.38 PTY.4: 9 residues within 4Å: Chain B: M.163, R.165, P.185, T.186, V.190, V.193, F.194 Chain C: L.76, M.157 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:V.190, B:F.194, C:L.76 Hydrogen bonds: B:R.165 Salt bridges: B:R.165 PTY.5: 3 residues within 4Å: Chain B: K.41, I.82, S.85 No protein-ligand interaction detected (PLIP) PTY.6: 7 residues within 4Å: Chain C: T.186, V.190, V.193, F.194 Chain D: P.70, L.76, M.157 6 PLIP interactions: 5 interactions with chain C, 1 interactions with chain D Hydrophobic interactions: C:V.190, C:V.193, C:F.194, D:L.76 Water bridges: C:R.165, C:R.165 PTY.7: 4 residues within 4Å: Chain B: V.38 Chain C: V.37, L.81, S.85 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain B Hydrophobic interactions: C:V.37, C:L.81, C:L.81, B:V.38 PTY.8: 5 residues within 4Å: Chain C: M.34 Chain D: V.37, L.81, I.82, S.85 3 PLIP interactions: 3 interactions with chain D Hydrophobic interactions: D:V.37, D:L.81, D:I.82 PTY.9: 9 residues within 4Å: Chain D: M.163, T.186, T.189, V.190, V.193, F.194 Chain E: P.70, L.79, M.157 7 PLIP interactions: 6 interactions with chain D, 1 interactions with chain E Hydrophobic interactions: D:T.189, D:V.190, D:V.193, D:F.194, E:L.79 Hydrogen bonds: D:M.163 Water bridges: D:T.186 PTY.10: 10 residues within 4Å: Chain E: M.163, R.165, P.185, T.186, V.190, V.193 Chain F: D.66, L.76, L.79, M.157 6 PLIP interactions: 4 interactions with chain E, 2 interactions with chain F Hydrophobic interactions: E:V.190, E:V.193, F:L.76, F:L.79 Hydrogen bonds: E:M.163 Water bridges: E:T.186 PTY.11: 5 residues within 4Å: Chain D: V.38 Chain E: V.37, L.81, I.82, S.85 5 PLIP interactions: 4 interactions with chain E, 1 interactions with chain D Hydrophobic interactions: E:V.37, E:L.81, E:L.81, E:I.82, D:V.38 PTY.12: 6 residues within 4Å: Chain A: M.157 Chain F: M.163, R.165, T.186, V.190, V.193 4 PLIP interactions: 4 interactions with chain F Hydrophobic interactions: F:V.190, F:V.193 Hydrogen bonds: F:R.165 Salt bridges: F:R.165 PTY.13: 2 residues within 4Å: Chain E: V.38 Chain F: S.85 1 PLIP interactions: 1 interactions with chain E Hydrophobic interactions: E:V.38

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Brotherton, D.H. et al., Structures of wild-type and a constitutively closed mutant of connexin26 shed light on channel regulation by CO 2. Elife (2024)

Release Date

2024-06-12

Peptides

Gap junction beta-2 protein: ABCDEFGHIJKL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

I
I

J
J

K
K

L
L

Membrane

We predict this structure to be a membrane protein.
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Gap junction beta-2 protein

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