SMTL ID : 8gmr.1

Cryo-EM structure of octameric human CALHM1

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-octamer

Ligands

8 x POV: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate(Non-covalent)

POV.1: 21 residues within 4Å: Chain A: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 Chain H: M.34, L.67, V.70, M.71 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:A.32, A:F.191, A:V.192, A:L.198 POV.2: 21 residues within 4Å: Chain A: M.34, L.67, V.70, M.71 Chain B: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:A.32, B:F.191, B:V.192, B:L.198 POV.3: 21 residues within 4Å: Chain B: M.34, L.67, V.70, M.71 Chain C: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:A.32, C:F.191, C:V.192, C:L.198 POV.4: 21 residues within 4Å: Chain C: M.34, L.67, V.70, M.71 Chain D: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 4 PLIP interactions: 4 interactions with chain D Hydrophobic interactions: D:A.32, D:F.191, D:V.192, D:L.198 POV.5: 21 residues within 4Å: Chain D: M.34, L.67, V.70, M.71 Chain E: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 4 PLIP interactions: 4 interactions with chain E Hydrophobic interactions: E:A.32, E:F.191, E:V.192, E:L.198 POV.6: 21 residues within 4Å: Chain E: M.34, L.67, V.70, M.71 Chain F: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 4 PLIP interactions: 4 interactions with chain F Hydrophobic interactions: F:A.32, F:F.191, F:V.192, F:L.198 POV.7: 21 residues within 4Å: Chain F: M.34, L.67, V.70, M.71 Chain G: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 4 PLIP interactions: 4 interactions with chain G Hydrophobic interactions: G:A.32, G:F.191, G:V.192, G:L.198 POV.8: 21 residues within 4Å: Chain G: M.34, L.67, V.70, M.71 Chain H: A.32, Q.33, P.61, Q.105, L.108, I.109, V.112, V.113, V.115, V.117, F.191, V.192, T.195, T.196, L.198, A.199, R.203 4 PLIP interactions: 4 interactions with chain H Hydrophobic interactions: H:A.32, H:F.191, H:V.192, H:L.198

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Syrjanen, J.L. et al., Structure of human CALHM1 reveals key locations for channel regulation and blockade by ruthenium red. Nat Commun (2023)

Release Date

2023-07-26

Peptides

Calcium homeostasis modulator protein 1: ABCDEFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

C
C

D
D

E
E

F
F

G
G

H
H

Membrane

We predict this structure to be a membrane protein.
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Calcium homeostasis modulator protein 1