SMTL ID : 9k7b.1

Cryo-EM structure of human taurine transporter TauT bound with taurine molecules in an inward-open state in the saposin-disc

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

monomer

Ligands

4 x TAU: 2-AMINOETHANESULFONIC ACID(Non-covalent)

TAU.1: 10 residues within 4Å: Chain A: R.78, Y.81, L.82, K.85, I.304, D.305, Q.468, D.471, Y.472, G.477 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:Y.81, A:D.305, A:Q.468 Water bridges: A:R.78, A:R.78, A:V.478 Salt bridges: A:R.78, A:K.85 TAU.2: 9 residues within 4Å: Chain A: G.69, F.70, F.107, S.313, Y.314, A.315, M.321, L.341, N.345 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.314, A:N.345 TAU.3: 9 residues within 4Å: Chain A: L.146, F.311, F.312, A.315, I.316, L.318, A.475, L.480 Ligands: TAU.4 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:F.311 Water bridges: A:S.313 TAU.4: 12 residues within 4Å: Chain A: V.71, G.72, L.73, G.74, N.75, Y.150, F.312, S.313, N.345, S.414 Ligands: TAU.3, NA.5 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:L.73, A:G.74, A:N.75, A:Y.150, A:S.313, A:N.345, A:S.414 Water bridges: A:V.71, A:V.71, A:S.313

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

NA.5: 6 residues within 4Å: Chain A: G.72, L.73, Y.150, L.410, S.414 Ligands: TAU.4 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:L.73, A:S.414, A:S.414 Water bridges: A:S.414

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.6: 5 residues within 4Å: Chain A: N.75, Y.95, Q.309, S.313, S.349 Ligand excluded by PLIP

5 x CLR: CHOLESTEROL(Non-covalent)

CLR.7: 7 residues within 4Å: Chain A: W.482, F.532, Y.539, I.555, W.559, L.563, M.566 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:W.482, A:W.482, A:F.532, A:Y.539, A:I.555, A:W.559, A:W.559, A:W.559, A:L.563, A:L.563 CLR.8: 9 residues within 4Å: Chain A: Y.137, V.141, S.564, C.568, L.571, V.572, I.575, R.576, Q.579 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Y.137, A:V.141, A:L.571, A:I.575 CLR.9: 10 residues within 4Å: Chain A: L.145, I.222, D.223, P.225, L.454, T.457, F.470, W.553, L.557, L.561 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:L.145, A:P.225, A:L.454, A:T.457, A:F.470, A:W.553, A:W.553, A:W.553, A:L.557, A:L.557, A:L.557, A:L.561 Hydrogen bonds: A:D.223 CLR.10: 6 residues within 4Å: Chain A: G.226, I.450, L.453, L.454, L.456, T.457 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:I.450, A:L.453, A:L.453, A:L.454, A:L.456 CLR.11: 8 residues within 4Å: Chain A: Y.159, F.162, Q.163, Q.166, L.234, C.235, L.237, L.238 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:Y.159, A:F.162, A:F.162, A:F.162, A:L.234, A:L.237, A:L.238, A:L.238 Hydrogen bonds: A:Q.163, A:Q.166

Links

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Citation

Zhang, H. et al., Cryo-EM structure of human taurine transporter TauT bound with taurine molecules in an inward-open state in the saposin-disc. Cell Res. (2025)

Release Date

2025-02-26

Peptides

Sodium- and chloride-dependent taurine transporter: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Membrane

We predict this structure to be a membrane protein.
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Sodium- and chloride-dependent taurine transporter

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