SMTL ID : 7awm.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.25 Å

Oligo State

homo-trimer

Ligands

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

NA.1: 6 residues within 4Å: Chain A: S.345, G.374, A.375, N.378, N.463, D.467 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.345, A:N.463 NA.2: 5 residues within 4Å: Chain A: Y.127, T.130, T.131, N.378, D.380 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.127, A:T.131, A:T.131 NA.3: 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:T.376 NA.7: 6 residues within 4Å: Chain B: S.345, G.374, A.375, N.378, N.463, D.467 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.345, B:G.374 NA.8: 5 residues within 4Å: Chain B: Y.127, T.130, T.131, N.378, D.380 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Y.127, B:T.131, B:T.131 NA.9: 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:I.418 NA.13: 6 residues within 4Å: Chain C: S.345, G.374, A.375, N.378, N.463, D.467 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:S.345, C:D.467 NA.14: 5 residues within 4Å: Chain C: Y.127, T.130, T.131, N.378, D.380 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:T.130, C:T.131, C:T.131 NA.15: 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:A.420

3 x ASP: ASPARTIC ACID(Non-covalent)

ASP.4: 15 residues within 4Å: Chain A: S.343, S.344, S.345, T.382, A.421, G.422, I.423, P.424, Q.425, A.426, G.427, D.456, R.459, T.460, N.463 11 PLIP interactions: 8 interactions with chain A, 3 Ligand-Ligand interactions Hydrogen bonds: A:S.345, A:I.423, A:I.423, A:A.426, A:G.427, A:D.456, A:N.463, D.4, D.4, D.4 Salt bridges: A:R.459 ASP.10: 15 residues within 4Å: Chain B: S.343, S.344, S.345, T.382, A.421, G.422, I.423, P.424, Q.425, A.426, G.427, D.456, R.459, T.460, N.463 11 PLIP interactions: 8 interactions with chain B, 3 Ligand-Ligand interactions Hydrogen bonds: B:S.345, B:I.423, B:I.423, B:A.426, B:G.427, B:D.456, B:N.463, D.10, D.10, D.10 Salt bridges: B:R.459 ASP.16: 15 residues within 4Å: Chain C: S.343, S.344, S.345, T.382, A.421, G.422, I.423, P.424, Q.425, A.426, G.427, D.456, R.459, T.460, N.463 11 PLIP interactions: 8 interactions with chain C, 3 Ligand-Ligand interactions Hydrogen bonds: C:S.345, C:I.423, C:I.423, C:A.426, C:G.427, C:D.456, C:N.463, D.16, D.16, D.16 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)

6Z6.5: 14 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.373, I.377 10 PLIP interactions: 10 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, A:I.377 Hydrogen bonds: A:Y.127, A:F.369 6Z6.11: 14 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.373, I.377 10 PLIP interactions: 10 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, B:I.377 Hydrogen bonds: B:Y.127, B:F.369 6Z6.17: 14 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.373, I.377 10 PLIP interactions: 10 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, C:I.377 Hydrogen bonds: C:Y.127, C:F.369

3 x BA: BARIUM ION(Non-functional Binders)

BA.6: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) BA.12: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) BA.18: 0 residues within 4Å: (No contacts) 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.
Show / Hide

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

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