SMTL ID : 7awp.1

Structure of the thermostabilized EAAT1 cryst-II mutant in complex with rubidium and barium ions and the allosteric inhibitor UCPH101

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.91 Å

Oligo State

homo-trimer

Ligands

3 x 6Z6: 2-Amino-5,6,7,8-tetrahydro-4-(4-methoxyphenyl)-7-(naphthalen-1-yl)-5-oxo-4H-chromene-3-carbonitrile(Non-covalent)

6Z6.1: 8 residues within 4Å: Chain A: G.117, V.124, Y.127, I.231, I.235, F.369, V.373, I.377 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:V.124, A:I.231, A:I.235, A:F.369, A:V.373 Hydrogen bonds: A:F.369 6Z6.5: 8 residues within 4Å: Chain B: G.117, V.124, Y.127, I.231, I.235, F.369, V.373, I.377 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:V.124, B:I.231, B:I.235, B:F.369, B:V.373 Hydrogen bonds: B:F.369 6Z6.9: 8 residues within 4Å: Chain C: G.117, V.124, Y.127, I.231, I.235, F.369, V.373, I.377 6 PLIP interactions: 6 interactions with chain C Hydrophobic interactions: C:V.124, C:I.231, C:I.235, C:F.369, C:V.373 Hydrogen bonds: C:F.369

6 x BA: BARIUM ION(Non-covalent)

BA.2: 2 residues within 4Å: Chain A: A.109, G.238 No protein-ligand interaction detected (PLIP) BA.3: 6 residues within 4Å: Chain A: Y.127, T.130, T.131, N.378, M.379, D.380 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:Y.127, A:T.131, A:D.380 BA.6: 2 residues within 4Å: Chain B: A.109, G.238 No protein-ligand interaction detected (PLIP) BA.7: 6 residues within 4Å: Chain B: Y.127, T.130, T.131, N.378, M.379, D.380 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:Y.127, B:T.131, B:D.380 BA.10: 2 residues within 4Å: Chain C: A.109, G.238 No protein-ligand interaction detected (PLIP) BA.11: 6 residues within 4Å: Chain C: Y.127, T.130, T.131, N.378, M.379, D.380 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:Y.127, C:T.131, C:D.380

3 x RB: RUBIDIUM ION(Non-covalent)

RB.4: 4 residues within 4Å: Chain A: S.343, D.456, R.459, T.460 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.343 RB.8: 4 residues within 4Å: Chain B: S.343, D.456, R.459, T.460 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:S.343 RB.12: 4 residues within 4Å: Chain C: S.343, D.456, R.459, T.460 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:S.343

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Canul-Tec, J.C. et al., The ion-coupling mechanism of human excitatory amino acid transporters. Embo J. (2022)

Release Date

2021-10-13

Peptides

Excitatory amino acid transporter 1,Neutral amino acid transporter B(0),Excitatory amino acid transporter 1: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

Membrane

We predict this structure to be a membrane protein.
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Excitatory amino acid transporter 1,Neutral amino acid transporter B(0),Excitatory amino acid transporter 1

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