SMTL ID : 4qab.2 (1 other biounit)

X-RAY STRUCTURE of ACETYLCHOLINE BINDING PROTEIN (ACHBP) IN COMPLEX WITH 4-(MORPHOLIN-4-YL)-6-[4-(TRIFLUOROMETHYL)PHENYL]PYRIMIDIN-2-AMINE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.98 Å

Oligo State

homo-pentamer

Ligands

5 x KK2: 4-(morpholin-4-yl)-6-[4-(trifluoromethyl)phenyl]pyrimidin-2-amine(Non-covalent)

KK2.1: 11 residues within 4Å: Chain A: Y.97, S.150, W.151, T.152, Y.193, Y.200 Chain B: W.61, R.112, L.120, M.122, Y.172 10 PLIP interactions: 9 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:W.151, A:T.152, A:Y.200, B:W.61 Hydrogen bonds: A:Y.97, A:Y.97, A:Y.193 pi-Stacking: A:W.151, A:W.151 pi-Cation interactions: A:Y.200 KK2.3: 11 residues within 4Å: Chain B: Y.97, S.150, W.151, T.152, Y.193, Y.200 Chain C: W.61, R.112, L.120, M.122, Y.172 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain C Hydrogen bonds: B:Y.97 pi-Stacking: B:W.151, B:W.151 pi-Cation interactions: B:Y.200 Hydrophobic interactions: C:W.61 KK2.6: 12 residues within 4Å: Chain C: Y.97, S.150, W.151, T.152, Y.193, Y.200 Chain D: I.44, W.61, R.112, L.120, M.122, Y.172 7 PLIP interactions: 1 interactions with chain D, 6 interactions with chain C Hydrophobic interactions: D:W.61, C:W.151, C:Y.200 Hydrogen bonds: C:Y.97 pi-Stacking: C:W.151, C:W.151 pi-Cation interactions: C:Y.200 KK2.9: 12 residues within 4Å: Chain D: Y.97, S.150, W.151, T.152, Y.193, Y.200 Chain E: W.61, R.112, L.120, Y.121, M.122, Y.172 8 PLIP interactions: 7 interactions with chain D, 1 interactions with chain E Hydrophobic interactions: D:W.151, D:Y.200, E:W.61 Hydrogen bonds: D:Y.97, D:Y.193 pi-Stacking: D:W.151, D:W.151 pi-Cation interactions: D:Y.200 KK2.12: 11 residues within 4Å: Chain A: W.61, R.112, L.120, M.122, Y.172 Chain E: Y.97, S.150, W.151, T.152, Y.193, Y.200 10 PLIP interactions: 8 interactions with chain E, 2 interactions with chain A Hydrophobic interactions: E:W.151, E:Y.200, A:W.61, A:M.122 Hydrogen bonds: E:Y.97, E:Y.97, E:Y.193 pi-Stacking: E:W.151, E:W.151 pi-Cation interactions: E:Y.200

5 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 7 residues within 4Å: Chain A: R.11, V.82, S.83 Chain E: D.25, V.26, I.27, H.153 6 PLIP interactions: 4 interactions with chain E, 2 interactions with chain A Hydrogen bonds: E:D.25, E:D.25, E:I.27, A:S.83 Salt bridges: E:H.153, A:R.11 PO4.5: 7 residues within 4Å: Chain A: D.25, V.26, I.27, H.153 Chain B: R.11, V.82, S.83 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:S.83, B:S.83, B:S.83, A:I.27 Salt bridges: B:R.11, A:H.153 PO4.8: 7 residues within 4Å: Chain B: D.25, V.26, I.27, H.153 Chain C: R.11, V.82, S.83 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain C Hydrogen bonds: B:I.27, C:S.83, C:S.83 Salt bridges: B:H.153, C:R.11 PO4.11: 7 residues within 4Å: Chain C: D.25, V.26, I.27, H.153 Chain D: R.11, V.82, S.83 5 PLIP interactions: 2 interactions with chain C, 3 interactions with chain D Hydrogen bonds: C:I.27, D:S.83, D:S.83 Salt bridges: C:H.153, D:R.11 PO4.14: 7 residues within 4Å: Chain D: D.25, V.26, I.27, H.153 Chain E: R.11, V.82, S.83 4 PLIP interactions: 2 interactions with chain E, 2 interactions with chain D Hydrogen bonds: E:S.83, D:I.27 Salt bridges: E:R.11, D:H.153

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

NAG.4: 2 residues within 4Å: Chain B: N.74, S.76 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.76 NAG.7: 3 residues within 4Å: Chain C: N.74, S.76, H.77 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:S.76 NAG.10: 3 residues within 4Å: Chain D: N.74, S.76, H.77 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:S.76, D:H.77 NAG.13: 2 residues within 4Å: Chain E: N.74, S.76 3 PLIP interactions: 3 interactions with chain E Hydrophobic interactions: E:N.74 Hydrogen bonds: E:N.74, E:S.76

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kaczanowska, K. et al., Structural basis for cooperative interactions of substituted 2-aminopyrimidines with the acetylcholine binding protein. Proc.Natl.Acad.Sci.USA (2014)

Release Date

2014-07-16

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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