SMTL ID : 1ux2.2 (1 other biounit)

X-ray structure of acetylcholine binding protein (AChBP)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-pentamer

Ligands

4 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.1: 8 residues within 4Å: Chain A: Y.91, W.145, Y.187, C.190, Y.194 Chain B: W.55, L.114, M.116 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:L.114, B:M.116 EPE.7: 8 residues within 4Å: Chain C: Y.91, W.145, Y.187, C.190, Y.194 Chain D: W.55, M.116, Y.166 1 PLIP interactions: 1 interactions with chain C Water bridges: C:Y.91 EPE.9: 10 residues within 4Å: Chain D: Y.91, W.145, T.146, Y.187, C.190, Y.194 Chain E: W.55, R.106, L.114, M.116 3 PLIP interactions: 2 interactions with chain E, 1 interactions with chain D Hydrogen bonds: E:R.106, D:Y.194 Water bridges: E:M.116 EPE.11: 8 residues within 4Å: Chain A: W.55, M.116, Y.166 Chain E: Y.91, W.145, Y.187, C.190, Y.194 3 PLIP interactions: 3 interactions with chain E Water bridges: E:K.141, E:Y.194, E:Y.194

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

NAG.2: 2 residues within 4Å: Chain A: N.68, S.70 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.70 Water bridges: A:E.2, A:H.71 NAG.6: 3 residues within 4Å: Chain B: E.2, N.68, S.70 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.70 Water bridges: B:N.68 NAG.8: 4 residues within 4Å: Chain C: E.2, N.68, S.70, H.71 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:N.68, C:S.70 Water bridges: C:E.2, C:E.2 NAG.10: 3 residues within 4Å: Chain D: E.2, N.68, S.70 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:N.68, D:S.70 NAG.12: 3 residues within 4Å: Chain E: E.2, N.68, S.70 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:S.70

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 8 residues within 4Å: Chain B: S.144, W.145, Y.187, Y.194 Chain C: W.55, M.116 Ligands: NH4.4, NH4.5 No protein-ligand interaction detected (PLIP)

2 x NH4: AMMONIUM ION(Non-functional Binders)

NH4.4: 4 residues within 4Å: Chain B: Y.91, V.185, Y.187 Ligands: SO4.3 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.91, B:Y.187 NH4.5: 2 residues within 4Å: Chain C: M.116 Ligands: SO4.3 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Y.194

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Celie, P.H.N. et al., Nicotine and Carbamylcholine Binding to Nicotinic Acetylcholine Receptors as Studied in Achbp Crystal Structures. Neuron (2004)

Release Date

2004-03-25

Peptides

ACETYLCHOLINE BINDING PROTEIN: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

B
G

C
H

D
I

E
J

ACETYLCHOLINE BINDING PROTEIN

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