SMTL ID : 7xr4.1

Structure of human excitatory amino acid transporter 2 (EAAT2) in complex with glutamate

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-trimer

Ligands

3 x GLU: GLUTAMIC ACID(Non-covalent)

GLU.1: 15 residues within 4Å: Chain A: A.362, S.363, S.364, M.398, T.401, A.440, S.441, I.442, S.444, A.445, G.446, D.475, R.478, T.479, N.482 10 PLIP interactions: 8 interactions with chain A, 2 Ligand-Ligand interactions Hydrogen bonds: A:S.364, A:T.401, A:S.444, A:A.445, A:G.446, A:N.482, A:N.482, E.1, E.1 Salt bridges: A:R.478 GLU.11: 15 residues within 4Å: Chain B: A.362, S.363, S.364, M.398, T.401, A.440, S.441, I.442, S.444, A.445, G.446, D.475, R.478, T.479, N.482 10 PLIP interactions: 8 interactions with chain B, 2 Ligand-Ligand interactions Hydrogen bonds: B:S.364, B:T.401, B:S.444, B:A.445, B:G.446, B:N.482, B:N.482, E.11, E.11 Salt bridges: B:R.478 GLU.21: 15 residues within 4Å: Chain C: A.362, S.363, S.364, M.398, T.401, A.440, S.441, I.442, S.444, A.445, G.446, D.475, R.478, T.479, N.482 10 PLIP interactions: 8 interactions with chain C, 2 Ligand-Ligand interactions Hydrogen bonds: C:S.364, C:T.401, C:S.444, C:A.445, C:G.446, C:N.482, C:N.482, E.21, E.21 Salt bridges: C:R.478

3 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.2: 10 residues within 4Å: Chain A: R.115, T.118, R.119, V.122, Y.123, S.126, I.335, V.339, L.496 Ligands: PC1.3 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:T.118, A:V.122, A:I.335, A:V.339, A:L.496 Salt bridges: A:R.119 Y01.12: 10 residues within 4Å: Chain B: R.115, T.118, R.119, V.122, Y.123, S.126, I.335, V.339, L.496 Ligands: PC1.13 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:T.118, B:V.122, B:I.335, B:V.339, B:L.496 Salt bridges: B:R.119 Y01.22: 10 residues within 4Å: Chain C: R.115, T.118, R.119, V.122, Y.123, S.126, I.335, V.339, L.496 Ligands: PC1.23 6 PLIP interactions: 6 interactions with chain C Hydrophobic interactions: C:T.118, C:V.122, C:I.335, C:V.339, C:L.496 Salt bridges: C:R.119

24 x PC1: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-functional Binders)(Non-covalent)

PC1.3: 2 residues within 4Å: Ligands: Y01.2, PC1.4 Ligand excluded by PLIP PC1.4: 4 residues within 4Å: Chain A: T.118, V.122, M.125 Ligands: PC1.3 Ligand excluded by PLIP PC1.5: 3 residues within 4Å: Chain A: F.176 Chain B: M.283 Ligands: PC1.20 Ligand excluded by PLIP PC1.6: 7 residues within 4Å: Chain A: G.104, L.105, L.108, I.396, L.434, V.437 Ligands: PC1.7 Ligand excluded by PLIP PC1.7: 9 residues within 4Å: Chain A: L.89, I.93, L.96, S.100, V.437, G.438, V.448, T.449 Ligands: PC1.6 Ligand excluded by PLIP PC1.8: 7 residues within 4Å: Chain A: G.328, F.345, F.348, W.355, M.477, S.480, V.481 Ligand excluded by PLIP PC1.9: 4 residues within 4Å: Chain A: L.64, V.74, I.78, C.294 Ligand excluded by PLIP PC1.10: 6 residues within 4Å: Chain A: M.88, M.283, I.284, W.286, Y.287 Ligands: PC1.25 Ligand excluded by PLIP PC1.13: 2 residues within 4Å: Ligands: Y01.12, PC1.14 Ligand excluded by PLIP PC1.14: 4 residues within 4Å: Chain B: T.118, V.122, M.125 Ligands: PC1.13 Ligand excluded by PLIP PC1.15: 3 residues within 4Å: Chain B: F.176 Chain C: M.283 Ligands: PC1.30 Ligand excluded by PLIP PC1.16: 7 residues within 4Å: Chain B: G.104, L.105, L.108, I.396, L.434, V.437 Ligands: PC1.17 Ligand excluded by PLIP PC1.17: 9 residues within 4Å: Chain B: L.89, I.93, L.96, S.100, V.437, G.438, V.448, T.449 Ligands: PC1.16 Ligand excluded by PLIP PC1.18: 7 residues within 4Å: Chain B: G.328, F.345, F.348, W.355, M.477, S.480, V.481 Ligand excluded by PLIP PC1.19: 4 residues within 4Å: Chain B: L.64, V.74, I.78, C.294 Ligand excluded by PLIP PC1.20: 7 residues within 4Å: Chain A: A.251 Chain B: M.88, M.283, I.284, W.286, Y.287 Ligands: PC1.5 Ligand excluded by PLIP PC1.23: 2 residues within 4Å: Ligands: Y01.22, PC1.24 Ligand excluded by PLIP PC1.24: 4 residues within 4Å: Chain C: T.118, V.122, M.125 Ligands: PC1.23 Ligand excluded by PLIP PC1.25: 3 residues within 4Å: Chain A: M.283 Chain C: F.176 Ligands: PC1.10 Ligand excluded by PLIP PC1.26: 7 residues within 4Å: Chain C: G.104, L.105, L.108, I.396, L.434, V.437 Ligands: PC1.27 Ligand excluded by PLIP PC1.27: 9 residues within 4Å: Chain C: L.89, I.93, L.96, S.100, V.437, G.438, V.448, T.449 Ligands: PC1.26 Ligand excluded by PLIP PC1.28: 7 residues within 4Å: Chain C: G.328, F.345, F.348, W.355, M.477, S.480, V.481 Ligand excluded by PLIP PC1.29: 4 residues within 4Å: Chain C: L.64, V.74, I.78, C.294 Ligand excluded by PLIP PC1.30: 6 residues within 4Å: Chain C: M.88, M.283, I.284, W.286, Y.287 Ligands: PC1.15 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, Z. et al., Structural basis of ligand binding modes of human EAAT2. Nat Commun (2022)

Release Date

2022-06-22

Peptides

Excitatory amino acid transporter 2: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Membrane

We predict this structure to be a membrane protein.
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Excitatory amino acid transporter 2

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