SMTL ID : 3sh1.2 (1 other biounit)

Ac-AChBP ligand binding domain mutated to human alpha-7 nAChR

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-pentamer

Ligands

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 3 residues within 4Å: Chain B: T.85, N.119, H.123 No protein-ligand interaction detected (PLIP)

2 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.2: 4 residues within 4Å: Chain C: N.119, S.120, S.121, H.123 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA.3: 5 residues within 4Å: Chain E: T.85, N.119, S.120, S.121, H.123 No protein-ligand interaction detected (PLIP)

1 x MRD: (4R)-2-METHYLPENTANE-2,4-DIOL(Non-functional Binders)

MRD.4: 6 residues within 4Å: Chain A: P.30, W.95, Y.158 Chain E: R.88, S.90, N.115 5 PLIP interactions: 3 interactions with chain E, 2 interactions with chain A Hydrophobic interactions: E:R.88, A:Y.158 Hydrogen bonds: E:S.90, E:S.90, A:W.95

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

NAG.5: 5 residues within 4Å: Chain A: T.85, N.119, S.120, S.121, H.123 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.121 NAG.13: 5 residues within 4Å: Chain D: N.119, S.120, S.121, H.123, Q.125 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:N.119, D:S.121, D:S.121, D:Q.125 NAG.14: 1 residues within 4Å: Chain D: N.83 No protein-ligand interaction detected (PLIP)

5 x MLK: METHYLLYCACONITINE(Non-covalent)

MLK.6: 15 residues within 4Å: Chain A: Y.102, K.152, S.155, W.156, S.157, Y.158, R.195, Y.197, C.199, Y.204, D.206 Chain E: W.64, Q.125, L.127, S.176 11 PLIP interactions: 9 interactions with chain A, 2 interactions with chain E Hydrophobic interactions: A:Y.102, A:Y.102, A:K.152, A:Y.197, A:Y.197, A:Y.204, A:Y.204 Hydrogen bonds: A:Y.197, E:Q.125, E:S.176 pi-Cation interactions: A:R.195 MLK.8: 15 residues within 4Å: Chain A: W.64, Q.125, L.127, S.176 Chain B: Y.102, K.152, S.155, W.156, S.157, Y.158, R.195, Y.197, C.199, Y.204, D.206 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:Y.102, B:Y.102, B:Y.102, B:K.152, B:R.195, B:Y.204, B:D.206 Hydrogen bonds: B:K.152, B:R.195, B:R.195, B:Y.197 pi-Cation interactions: B:R.195 MLK.11: 15 residues within 4Å: Chain B: W.64, Q.125, L.127, S.176 Chain C: Y.102, K.152, S.155, W.156, S.157, Y.158, G.159, R.195, Y.197, Y.204, D.206 11 PLIP interactions: 10 interactions with chain C, 1 interactions with chain B Hydrophobic interactions: C:Y.102, C:Y.102, C:Y.102, C:K.152, C:R.195, C:Y.197, C:Y.204, C:Y.204, C:D.206 Hydrogen bonds: C:R.195, B:Q.125 MLK.15: 16 residues within 4Å: Chain C: W.64, Q.125, L.127, S.176 Chain D: Y.102, S.103, K.152, S.155, W.156, S.157, Y.158, R.195, Y.197, C.199, Y.204, D.206 7 PLIP interactions: 6 interactions with chain D, 1 interactions with chain C Hydrophobic interactions: D:Y.102, D:Y.102, D:Y.102, D:K.152, D:Y.197, D:Y.204 Hydrogen bonds: C:Q.125 MLK.18: 13 residues within 4Å: Chain D: W.64, L.127, S.176 Chain E: Y.102, K.152, S.155, W.156, S.157, Y.158, R.195, Y.197, Y.204, D.206 6 PLIP interactions: 6 interactions with chain E Hydrophobic interactions: E:Y.102, E:Y.102, E:Y.102, E:K.152, E:Y.197, E:Y.204

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

ACT.7: 1 residues within 4Å: Chain B: L.9 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:H.10

4 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.9: 4 residues within 4Å: Chain A: N.115 Chain B: W.95, T.96, Y.158 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.158, B:Y.158 MPD.10: 6 residues within 4Å: Chain B: K.19, R.88, T.89, N.115 Chain C: W.95, Y.158 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:Y.158 MPD.16: 5 residues within 4Å: Chain C: K.19, S.90, N.115 Chain D: W.95, Y.158 5 PLIP interactions: 4 interactions with chain D, 1 interactions with chain C Hydrophobic interactions: D:Y.158 Hydrogen bonds: D:P.30, D:W.95, D:Y.158, C:K.19 MPD.17: 6 residues within 4Å: Chain D: R.88, S.90, N.115 Chain E: P.30, W.95, Y.158 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:W.95

1 x MG: MAGNESIUM ION(Non-covalent)

MG.12: 2 residues within 4Å: Chain D: D.6, H.10 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:D.6, D:D.6, D:H.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nemecz, A. et al., Creating an alpha-7 nicotinic acetylcholine recognition domain from the acetylcholine binding protein: crystallographic and ligand selectivity analyses. J.Biol.Chem. (2011)

Release Date

2011-10-26

Peptides

Soluble acetylcholine receptor: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

B
G

C
H

D
I

E
J

Soluble acetylcholine receptor

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