SMTL ID : 7cfs.1

Cryo-EM strucutre of human acid-sensing ion channel 1a at pH 8.0

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-trimer

Ligands

6 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 1 residues within 4Å: Chain A: N.404 No protein-ligand interaction detected (PLIP) NAG.2: 3 residues within 4Å: Chain A: N.377, L.378, T.379 No protein-ligand interaction detected (PLIP) NAG.5: 1 residues within 4Å: Chain B: N.404 No protein-ligand interaction detected (PLIP) NAG.6: 3 residues within 4Å: Chain B: N.377, L.378, T.379 No protein-ligand interaction detected (PLIP) NAG.8: 1 residues within 4Å: Chain C: N.404 No protein-ligand interaction detected (PLIP) NAG.9: 3 residues within 4Å: Chain C: N.377, L.378, T.379 No protein-ligand interaction detected (PLIP)

3 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.3: 7 residues within 4Å: Chain A: F.78, I.437, L.440, I.444, M.448, I.456, V.459 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.78, A:I.437, A:L.440, A:I.444, A:I.456, A:V.459 Y01.7: 7 residues within 4Å: Chain B: F.78, I.437, L.440, I.444, M.448, I.456, V.459 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:F.78, B:I.437, B:L.440, B:I.444, B:I.456, B:V.459 Y01.10: 7 residues within 4Å: Chain C: F.78, I.437, L.440, I.444, M.448, I.456, V.459 6 PLIP interactions: 6 interactions with chain C Hydrophobic interactions: C:F.78, C:I.437, C:L.440, C:I.444, C:I.456, C:V.459

1 x NA: SODIUM ION(Non-functional Binders)

NA.4: 3 residues within 4Å: Chain A: D.443 Chain B: D.443 Chain C: D.443 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.443

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sun, D. et al., Structural insights into human acid-sensing ion channel 1a inhibition by snake toxin mambalgin1. Elife (2020)

Release Date

2020-10-21

Peptides

Acid-sensing ion channel 1: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Membrane

We predict this structure to be a membrane protein.
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Acid-sensing ion channel 1

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