SMTL ID : 8ctc.1

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

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: S.333, S.334, S.335, M.369, T.372, A.411, G.412, V.413, P.414, A.416, G.417, D.446, R.449, T.450, N.453 8 PLIP interactions: 6 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:A.416 Hydrogen bonds: A:S.335, A:V.413, A:T.450, A:N.453, E.1, E.1 Salt bridges: A:R.449 GLU.6: 15 residues within 4Å: Chain B: S.333, S.334, S.335, M.369, T.372, A.411, G.412, V.413, P.414, A.416, G.417, D.446, R.449, T.450, N.453 8 PLIP interactions: 6 interactions with chain B, 2 Ligand-Ligand interactions Hydrophobic interactions: B:A.416 Hydrogen bonds: B:S.335, B:V.413, B:T.450, B:N.453, E.6, E.6 Salt bridges: B:R.449 GLU.11: 15 residues within 4Å: Chain C: S.333, S.334, S.335, M.369, T.372, A.411, G.412, V.413, P.414, A.416, G.417, D.446, R.449, T.450, N.453 8 PLIP interactions: 6 interactions with chain C, 2 Ligand-Ligand interactions Hydrophobic interactions: C:A.416 Hydrogen bonds: C:S.335, C:V.413, C:T.450, C:N.453, E.11, E.11 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:D.457 NA.3: 6 residues within 4Å: Chain A: T.366, M.369, S.407, I.408, G.409, A.410 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.366, A:A.410 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.103, A:D.370 NA.7: 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.368 NA.8: 6 residues within 4Å: Chain B: T.366, M.369, S.407, I.408, G.409, A.410 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:I.408, B:A.410 NA.9: 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:Y.100, B:T.103 NA.12: 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:A.365 NA.13: 6 residues within 4Å: Chain C: T.366, M.369, S.407, I.408, G.409, A.410 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:S.407, C:A.410 NA.14: 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:T.103, C:D.370

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.10: 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., Symport and antiport mechanisms of human glutamate transporters. Nat Commun (2023)

Release Date

2023-05-10

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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