SMTL ID : 4ntw.1 (1 other biounit)

Structure of acid-sensing ion channel in complex with snake toxin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.07 Å

Oligo State

hetero-1-1-1-mer

Ligands

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

NAG.1: 3 residues within 4Å: Chain A: D.241, I.269, N.354 No protein-ligand interaction detected (PLIP) NAG.2: 1 residues within 4Å: Chain A: N.381 No protein-ligand interaction detected (PLIP)

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 2 residues within 4Å: Chain A: R.297, E.301 Ligand excluded by PLIP

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

NA.4: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) NA.5: 2 residues within 4Å: Chain A: T.224, T.227 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.224 NA.7: 1 residues within 4Å: Chain C: F.68 5 PLIP interactions: 3 interactions with chain C, 2 interactions with chain B Water bridges: C:F.68, C:F.68, C:C.70, B:S.29, B:S.29

1 x P6G: HEXAETHYLENE GLYCOL(Non-functional Binders)

P6G.6: 9 residues within 4Å: Chain A: L.83, E.85, R.178, Y.179, D.225, T.227, S.228, D.337, E.341 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.85, A:S.228

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Baconguis, I. et al., X-ray structure of Acid-sensing ion channel 1-snake toxin complex reveals open state of a na(+)-selective channel. Cell(Cambridge,Mass.) (2014)

Release Date

2014-02-19

Peptides

Acid-sensing ion channel 1: A
Neurotoxin MitTx-alpha: B
Basic phospholipase A2 homolog Tx-beta: C

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

Neurotoxin MitTx-alpha

Basic phospholipase A2 homolog Tx-beta

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