SMTL ID : 4zk4.1

Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with 7-(5-isopropoxy-pyridin-3-yl)-1-methyl-1,7-diaza-spiro[4.4]nonane

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-pentamer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 2 residues within 4Å: Chain A: D.5, H.9 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.5, A:D.5, A:H.9 MG.10: 2 residues within 4Å: Chain E: D.5, H.9 3 PLIP interactions: 3 interactions with chain E Metal complexes: E:D.5, E:D.5, E:H.9

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

SO4.2: 5 residues within 4Å: Chain A: K.50, T.55, R.105 Chain E: K.50, R.130 7 PLIP interactions: 3 interactions with chain E, 4 interactions with chain A Water bridges: E:R.130, E:R.130, A:T.55, A:E.57, A:R.105 Salt bridges: E:K.50, A:R.105 SO4.3: 4 residues within 4Å: Chain A: K.50 Chain B: K.50, T.55, R.105 7 PLIP interactions: 2 interactions with chain A, 5 interactions with chain B Water bridges: A:R.130, B:D.52, B:D.52, B:R.105 Salt bridges: A:K.50, B:K.50, B:R.105 SO4.5: 4 residues within 4Å: Chain B: K.50 Chain C: K.50, T.55, R.105 7 PLIP interactions: 5 interactions with chain C, 2 interactions with chain B Water bridges: C:T.55, C:T.55, C:E.57, C:R.105, B:R.130 Salt bridges: C:R.105, B:K.50 SO4.7: 4 residues within 4Å: Chain C: K.50 Chain D: K.50, T.55, R.105 5 PLIP interactions: 2 interactions with chain C, 3 interactions with chain D Water bridges: C:R.130, D:K.50, D:R.105 Salt bridges: C:K.50, D:R.105 SO4.8: 4 residues within 4Å: Chain D: K.50 Chain E: K.50, T.55, R.105 7 PLIP interactions: 2 interactions with chain D, 5 interactions with chain E Water bridges: D:R.130, E:T.55, E:T.55, E:R.105, E:R.105 Salt bridges: D:K.50, E:R.105

1 x PG4: TETRAETHYLENE GLYCOL(Non-functional Binders)

PG4.4: 10 residues within 4Å: Chain A: Y.101, S.154, W.155, V.156, Y.196, Y.203 Chain E: W.63, V.116, M.124, I.126 No protein-ligand interaction detected (PLIP)

2 x TII: (5R)-1-methyl-7-[5-(propan-2-yloxy)pyridin-3-yl]-1,7-diazaspiro[4.4]nonane(Non-covalent)

TII.6: 15 residues within 4Å: Chain B: W.63, R.87, A.115, V.116, M.124, F.125, I.126 Chain C: Y.101, S.154, W.155, V.156, Y.196, C.198, C.199, Y.203 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: B:W.63, B:W.63, B:V.116, C:W.155 Water bridges: B:I.126 pi-Cation interactions: C:Y.196 TII.9: 15 residues within 4Å: Chain D: W.63, R.87, A.115, V.116, M.124, F.125, I.126 Chain E: Y.101, S.154, W.155, V.156, Y.196, C.198, C.199, Y.203 7 PLIP interactions: 4 interactions with chain D, 3 interactions with chain E Hydrophobic interactions: D:W.63, D:W.63, D:V.116, E:W.155 Hydrogen bonds: D:I.126 Water bridges: E:W.155 pi-Cation interactions: E:Y.196

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bobango, J. et al., Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with 7-(5-isopropoxy-pyridin-3-yl)-1-methyl-1,7-diaza-spiro[4.4]nonane. To be Published

Release Date

2015-05-13

Peptides

soluble acetylcholine receptor, neuronal acetylcholine receptor subunit alpha-3 chimera: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

soluble acetylcholine receptor, neuronal acetylcholine receptor subunit alpha-3 chimera