SMTL ID : 7awq.1

Structure of the thermostabilized EAAT1 cryst-E386Q mutant in complex with L-ASP, sodium ions and the allosteric inhibitor UCPH101

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.65 Å

Oligo State

homo-trimer

Ligands

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

NA.1: 6 residues within 4Å: Chain A: Y.126, Y.127, T.130, T.131, N.378, D.380 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.126, A:T.131, A:T.131 NA.2: 6 residues within 4Å: Chain A: T.376, I.377, M.379, S.417, I.418, A.420 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:I.377 NA.6: 6 residues within 4Å: Chain B: Y.126, Y.127, T.130, T.131, N.378, D.380 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:T.131, B:T.131, B:T.131 NA.7: 6 residues within 4Å: Chain B: T.376, I.377, M.379, S.417, I.418, A.420 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:A.420 NA.11: 6 residues within 4Å: Chain C: Y.126, Y.127, T.130, T.131, N.378, D.380 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:T.131, C:T.131, C:T.131 NA.12: 6 residues within 4Å: Chain C: T.376, I.377, M.379, S.417, I.418, A.420 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:T.376

3 x ASP: ASPARTIC ACID(Non-covalent)

ASP.3: 15 residues within 4Å: Chain A: S.343, S.344, S.345, M.379, T.382, A.421, G.422, I.423, Q.425, A.426, G.427, D.456, R.459, T.460, N.463 10 PLIP interactions: 7 interactions with chain A, 3 Ligand-Ligand interactions Hydrogen bonds: A:S.345, A:I.423, A:I.423, A:A.426, A:T.460, A:N.463, D.3, D.3, D.3 Salt bridges: A:R.459 ASP.8: 15 residues within 4Å: Chain B: S.343, S.344, S.345, M.379, T.382, A.421, G.422, I.423, Q.425, A.426, G.427, D.456, R.459, T.460, N.463 10 PLIP interactions: 7 interactions with chain B, 3 Ligand-Ligand interactions Hydrogen bonds: B:S.345, B:I.423, B:I.423, B:A.426, B:T.460, B:N.463, D.8, D.8, D.8 Salt bridges: B:R.459 ASP.13: 15 residues within 4Å: Chain C: S.343, S.344, S.345, M.379, T.382, A.421, G.422, I.423, Q.425, A.426, G.427, D.456, R.459, T.460, N.463 10 PLIP interactions: 7 interactions with chain C, 3 Ligand-Ligand interactions Hydrogen bonds: C:S.345, C:I.423, C:I.423, C:A.426, C:T.460, C:N.463, D.13, D.13, D.13 Salt bridges: C:R.459

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)

6Z6.4: 15 residues within 4Å: Chain A: L.104, L.108, A.113, S.116, G.117, G.120, A.123, V.124, Y.127, M.231, F.235, F.369, V.370, V.373, I.377 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:L.108, A:V.124, A:F.235, A:F.235, A:F.369, A:V.373, A:V.373 Hydrogen bonds: A:Y.127, A:F.369 6Z6.9: 15 residues within 4Å: Chain B: L.104, L.108, A.113, S.116, G.117, G.120, A.123, V.124, Y.127, M.231, F.235, F.369, V.370, V.373, I.377 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:L.108, B:V.124, B:F.235, B:F.235, B:F.369, B:V.373, B:V.373 Hydrogen bonds: B:Y.127, B:F.369 6Z6.14: 15 residues within 4Å: Chain C: L.104, L.108, A.113, S.116, G.117, G.120, A.123, V.124, Y.127, M.231, F.235, F.369, V.370, V.373, I.377 9 PLIP interactions: 9 interactions with chain C Hydrophobic interactions: C:L.108, C:V.124, C:F.235, C:F.235, C:F.369, C:V.373, C:V.373 Hydrogen bonds: C:Y.127, C:F.369

3 x BA: BARIUM ION(Non-covalent)

BA.5: 1 residues within 4Å: Chain A: Q.245 No protein-ligand interaction detected (PLIP) BA.10: 1 residues within 4Å: Chain B: Q.245 No protein-ligand interaction detected (PLIP) BA.15: 1 residues within 4Å: Chain C: Q.245 No protein-ligand interaction detected (PLIP)

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