SMTL ID : 4u5d.1

Crystal structure of GluA2, con-ikot-ikot snail toxin, partial agonist KA and postitive modulator (R,R)-2b complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.58 Å

Oligo State

hetero-4-2-mer

Ligands

4 x KAI: 3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE(Non-covalent)

KAI.1: 10 residues within 4Å: Chain A: Y.445, P.473, L.474, T.475, R.480, L.640, G.643, S.644, T.645, E.695 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:Y.445 Hydrogen bonds: A:T.475, A:T.475, A:S.644, A:T.645, A:T.645, A:E.695, A:E.695 Salt bridges: A:R.480 KAI.4: 10 residues within 4Å: Chain B: Y.445, P.473, T.475, R.480, L.640, S.642, G.643, S.644, T.645, E.695 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:Y.445, B:L.640 Hydrogen bonds: B:T.475, B:T.475, B:S.644, B:T.645, B:E.695 Salt bridges: B:R.480 KAI.7: 11 residues within 4Å: Chain C: Y.445, P.473, T.475, R.480, L.640, S.642, G.643, S.644, T.645, E.695, M.698 11 PLIP interactions: 11 interactions with chain C Hydrophobic interactions: C:Y.445 Hydrogen bonds: C:P.473, C:T.475, C:T.475, C:S.642, C:S.644, C:S.644, C:T.645, C:E.695, C:Y.722 Salt bridges: C:R.480 KAI.9: 11 residues within 4Å: Chain D: Y.445, P.473, L.474, T.475, R.480, L.640, S.642, G.643, S.644, T.645, E.695 9 PLIP interactions: 9 interactions with chain D Hydrophobic interactions: D:Y.445, D:L.640 Hydrogen bonds: D:P.473, D:T.475, D:S.644, D:T.645, D:T.645, D:E.695 Salt bridges: D:R.480

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

NAG.2: 4 residues within 4Å: Chain A: I.345, N.346, E.367, V.368 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.367 NAG.5: 3 residues within 4Å: Chain B: E.330, N.335, N.346 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.330, B:N.346 NAG.8: 4 residues within 4Å: Chain C: I.345, N.346, E.367, V.368 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:N.346, C:N.346 NAG.10: 2 residues within 4Å: Chain D: N.335, N.346 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:N.346, D:N.346

2 x FWF: N,N'-[biphenyl-4,4'-diyldi(2R)propane-2,1-diyl]dipropane-2-sulfonamide(Non-covalent)

FWF.3: 19 residues within 4Å: Chain A: K.488, P.489, M.491, S.492, S.719, K.720, G.721, V.740, L.741, S.744 Chain D: P.489, F.490, M.491, S.492, S.719, K.720, G.721, L.741, S.744 8 PLIP interactions: 5 interactions with chain A, 3 interactions with chain D Hydrophobic interactions: A:K.488, A:P.489, A:P.489, A:V.740, A:L.741, D:P.489, D:L.741 Hydrogen bonds: D:G.721 FWF.6: 21 residues within 4Å: Chain B: I.476, K.488, P.489, F.490, M.491, S.492, S.719, K.720, G.721, V.740, L.741, S.744 Chain C: I.476, K.488, P.489, M.491, S.492, S.719, K.720, L.741, S.744 14 PLIP interactions: 7 interactions with chain C, 7 interactions with chain B Hydrophobic interactions: C:I.476, C:K.488, C:P.489, C:P.489, B:I.476, B:P.489, B:P.489, B:L.741, B:L.741 Hydrogen bonds: C:G.721, C:S.744, C:S.744, B:P.489, B:G.721

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, L. et al., X-ray structures of AMPA receptor-cone snail toxin complexes illuminate activation mechanism. Science (2014)

Release Date

2014-08-13

Peptides

Glutamate receptor 2: ABCD
Con-ikot-ikot: EF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

Membrane

We predict this structure to be a membrane protein.
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Glutamate receptor 2

Con-ikot-ikot

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