SMTL ID : 6sh0.2 (1 other biounit)

Crystal structure of AcAChBP in complex with anatoxin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-pentamer

Ligands

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

NAG.1: 1 residues within 4Å: Chain A: N.91 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.91 NAG.10: 1 residues within 4Å: Chain C: N.91 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.91 NAG.13: 2 residues within 4Å: Chain D: G.90, N.91 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:N.91 NAG.16: 2 residues within 4Å: Chain E: G.90, N.91 No protein-ligand interaction detected (PLIP)

7 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 5 residues within 4Å: Chain A: Q.55, S.184, Y.185, Y.186 Chain B: S.111 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.55 Water bridges: A:A.187 ACT.3: 3 residues within 4Å: Chain A: M.143 Chain E: S.184, Y.186 1 PLIP interactions: 1 interactions with chain E Hydrophobic interactions: E:Y.186 ACT.4: 4 residues within 4Å: Chain A: P.38, W.103, Y.166 Chain E: S.98 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain E Hydrogen bonds: A:Y.166, E:S.98 ACT.5: 7 residues within 4Å: Chain A: T.97, S.98, I.123 Chain B: P.38, G.39, W.103, Y.166 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.98 Water bridges: A:T.97, A:T.97 ACT.7: 3 residues within 4Å: Chain B: S.184, Y.186 Chain C: S.111 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:Y.186 Water bridges: B:Q.55, C:Y.110 ACT.9: 4 residues within 4Å: Chain C: Q.55, S.184 Chain D: S.111, M.143 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:Q.55 ACT.11: 5 residues within 4Å: Chain B: T.97, S.98 Chain C: P.38, W.103, Y.166 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:S.98 Water bridges: B:T.97 Salt bridges: B:K.27

5 x 4P0: 1-[(1R,6R)-9-azabicyclo[4.2.1]non-2-en-2-yl]ethanone(Non-covalent)

4P0.6: 9 residues within 4Å: Chain A: Y.110, W.164, V.165, Y.205, C.207, C.208, Y.212 Chain E: Y.72, I.135 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain E Hydrophobic interactions: A:Y.205, A:Y.212, E:Y.72, E:I.135 Hydrogen bonds: A:W.164 4P0.8: 9 residues within 4Å: Chain A: Y.72, M.133, I.135 Chain B: Y.110, W.164, V.165, Y.205, C.207, Y.212 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:Y.110, B:W.164, B:Y.205, B:Y.212, A:Y.72 Hydrogen bonds: B:W.164 Water bridges: A:I.135 4P0.12: 8 residues within 4Å: Chain B: Y.72, I.135 Chain C: Y.110, W.164, V.165, Y.205, C.207, Y.212 7 PLIP interactions: 5 interactions with chain C, 2 interactions with chain B Hydrophobic interactions: C:W.164, C:Y.205, C:Y.212, C:Y.212, B:Y.72 Hydrogen bonds: C:W.164 Water bridges: B:I.135 4P0.15: 9 residues within 4Å: Chain C: Y.72, M.133, I.135 Chain D: Y.110, W.164, V.165, Y.205, C.207, Y.212 5 PLIP interactions: 2 interactions with chain C, 3 interactions with chain D Hydrophobic interactions: C:Y.72, C:I.135, D:Y.205, D:Y.212 Hydrogen bonds: D:W.164 4P0.17: 10 residues within 4Å: Chain D: Y.72, M.133, I.135 Chain E: Y.110, W.164, V.165, Y.205, C.207, C.208, Y.212 5 PLIP interactions: 4 interactions with chain E, 1 interactions with chain D Hydrophobic interactions: E:Y.205, E:Y.205, E:Y.212, D:Y.72 Hydrogen bonds: E:W.164

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.14: 5 residues within 4Å: Chain D: Q.55, S.184, Y.185, Y.186 Chain E: S.111 4 PLIP interactions: 2 interactions with chain D, 2 interactions with chain E Hydrogen bonds: D:Q.55 Water bridges: D:A.187, E:S.111, E:S.111

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Parker, H.P. et al., Delineating the activity of the potent nicotinic acetylcholine receptor agonists (+)-anatoxin-a and (-)-hosieine-A. Acta Crystallogr.,Sect.F (2022)

Release Date

2020-08-26

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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