SMTL ID : 8zt1.1

sStructure of calcium preference ATP-gated channel P2X1 in complex with BTFA

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-trimer

Ligands

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

NAG.1: 3 residues within 4Å: Chain A: E.209, N.211, Y.214 No protein-ligand interaction detected (PLIP) NAG.2: 4 residues within 4Å: Chain A: P.122, N.154, T.156, V.157 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.154 NAG.3: 4 residues within 4Å: Chain A: H.181, E.182, E.184, N.185 No protein-ligand interaction detected (PLIP) NAG.8: 4 residues within 4Å: Chain B: H.181, E.182, E.184, N.185 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.185 NAG.9: 3 residues within 4Å: Chain B: E.209, N.211, Y.214 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.209, B:E.209, B:N.211 NAG.10: 2 residues within 4Å: Chain B: P.122, N.154 No protein-ligand interaction detected (PLIP) NAG.15: 3 residues within 4Å: Chain C: E.209, N.211, Y.214 No protein-ligand interaction detected (PLIP)

1 x 01: 3,5-bis(trifluoromethyl)aniline

01.4: 7 residues within 4Å: Chain A: D.98, S.99 Chain B: D.98 Chain C: D.98, S.99, S.100, R.315 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain C Hydrogen bonds: A:D.98, A:S.99, C:S.100, C:R.315

3 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.5: 14 residues within 4Å: Chain A: R.140, K.141, D.171, S.287, N.291, R.293, K.310 Chain B: K.69, K.71, T.187, L.188, F.189, M.215 Ligands: MG.7 19 PLIP interactions: 9 interactions with chain A, 10 interactions with chain B Hydrogen bonds: A:R.140, A:K.141, A:K.141, A:N.291, A:N.291, B:K.71, B:T.187, B:T.187, B:F.189 Salt bridges: A:R.293, A:R.293, A:K.310, A:K.310, B:K.69, B:K.69, B:K.71, B:K.71, B:K.191 pi-Cation interactions: B:K.71 ATP.11: 15 residues within 4Å: Chain B: R.140, K.141, D.171, S.287, N.291, R.293, K.310 Chain C: K.69, K.71, T.187, L.188, F.189, M.215, V.230 Ligands: MG.13 16 PLIP interactions: 8 interactions with chain B, 8 interactions with chain C Hydrogen bonds: B:R.140, B:K.141, B:N.291, B:N.291, C:K.71, C:T.187, C:T.187, C:F.189 Salt bridges: B:K.141, B:R.293, B:K.310, B:K.310, C:K.69, C:K.71, C:K.191 pi-Cation interactions: C:K.71 ATP.14: 16 residues within 4Å: Chain A: K.69, L.70, K.71, T.187, L.188, F.189, M.215, V.230 Chain C: R.140, K.141, D.171, S.287, N.291, R.293, K.310 Ligands: MG.16 13 PLIP interactions: 7 interactions with chain A, 6 interactions with chain C Hydrogen bonds: A:K.71, A:T.187, A:T.187, A:F.189, C:R.140, C:K.141, C:N.291 Salt bridges: A:K.69, A:K.71, C:R.293, C:K.310, C:K.310 pi-Cation interactions: A:K.71

2 x CA: CALCIUM ION(Non-covalent)

CA.6: 4 residues within 4Å: Chain A: H.96 Chain B: H.96, D.98 Chain C: H.96 No protein-ligand interaction detected (PLIP) CA.12: 6 residues within 4Å: Chain A: F.298, V.299 Chain B: F.298, V.299 Chain C: F.298, V.299 No protein-ligand interaction detected (PLIP)

3 x MG: MAGNESIUM ION(Non-covalent)

MG.7: 2 residues within 4Å: Chain A: D.171 Ligands: ATP.5 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.171, A:D.171 MG.13: 3 residues within 4Å: Chain B: E.123, D.171 Ligands: ATP.11 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:E.123, B:E.123, B:D.171, B:D.171 MG.16: 2 residues within 4Å: Chain C: D.171 Ligands: ATP.14 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:D.171

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, H. et al., structure of P2X1 and BTFA complex. To Be Published

Release Date

2025-06-11

Peptides

P2X purinoceptor 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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P2X purinoceptor 1

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