SMTL ID : 9d66.1

Human excitatory amino acid transporter 3 (EAAT3) with bound L-Aspartate in an intermediate outward facing state

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-trimer

Ligands

3 x ASP: ASPARTIC ACID(Non-covalent)

ASP.1: 14 residues within 4Å: Chain A: S.333, S.334, S.335, M.369, T.372, A.411, G.412, V.413, A.416, G.417, D.446, R.449, T.450, N.453 7 PLIP interactions: 6 interactions with chain A, 1 Ligand-Ligand interactions Hydrogen bonds: A:S.335, A:A.416, A:G.417, A:T.450, A:N.453, D.1 Salt bridges: A:R.449 ASP.8: 14 residues within 4Å: Chain B: S.333, S.334, S.335, M.369, T.372, A.411, G.412, V.413, A.416, G.417, D.446, R.449, T.450, N.453 7 PLIP interactions: 6 interactions with chain B, 1 Ligand-Ligand interactions Hydrogen bonds: B:S.335, B:A.416, B:G.417, B:T.450, B:N.453, D.8 Salt bridges: B:R.449 ASP.13: 14 residues within 4Å: Chain C: S.333, S.334, S.335, M.369, T.372, A.411, G.412, V.413, A.416, G.417, D.446, R.449, T.450, N.453 7 PLIP interactions: 6 interactions with chain C, 1 Ligand-Ligand interactions Hydrogen bonds: C:S.335, C:A.416, C:G.417, C:T.450, C:N.453, D.13 Salt bridges: C:R.449

9 x NA: SODIUM ION(Non-functional Binders)

NA.2: 6 residues within 4Å: Chain A: G.364, A.365, N.368, M.369, N.453, D.457 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:A.365 NA.3: 5 residues within 4Å: Chain A: T.366, M.369, S.407, I.408, A.410 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:I.408 NA.4: 5 residues within 4Å: Chain A: Y.100, T.103, T.104, N.368, D.370 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.104, A:D.370 NA.6: 5 residues within 4Å: Chain B: Y.100, T.103, T.104, N.368, D.370 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:T.104, B:D.370 NA.7: 5 residues within 4Å: Chain B: T.366, M.369, S.407, I.408, A.410 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:T.366 NA.10: 6 residues within 4Å: Chain B: G.364, A.365, N.368, M.369, N.453, D.457 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.453 NA.11: 5 residues within 4Å: Chain C: Y.100, T.103, T.104, N.368, D.370 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:Y.100, C:T.104 NA.12: 5 residues within 4Å: Chain C: T.366, M.369, S.407, I.408, A.410 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:T.366 NA.14: 6 residues within 4Å: Chain C: G.364, A.365, N.368, M.369, N.453, D.457 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.453

3 x HG: MERCURY (II) ION(Non-covalent)

HG.5: 2 residues within 4Å: Chain A: C.271, C.443 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:C.271, A:C.443 HG.9: 2 residues within 4Å: Chain B: C.271, C.443 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:C.271, B:C.443 HG.15: 2 residues within 4Å: Chain C: C.271, C.443 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:C.271, C:C.443

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Qiu, B. et al., Structural basis of the excitatory amino acid transporter 3 substrate recognition. Biorxiv (2024)

Release Date

2025-01-22

Peptides

Excitatory amino acid transporter 3: 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 3

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