SMTL ID : 8j74.1

Human high-affinity choline transporter CHT1 in the HC-3-bound outward-facing open conformation, dimeric state

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.1: 1 residues within 4Å: Chain A: N.301 No protein-ligand interaction detected (PLIP) NAG-NAG-BMA.2: 1 residues within 4Å: Chain B: N.301 No protein-ligand interaction detected (PLIP)

2 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.3: 6 residues within 4Å: Chain A: L.82, P.88, I.89, A.219, I.289 Ligands: AV0.7 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:L.82, A:P.88, A:I.89, A:A.219, A:I.289 Y01.9: 6 residues within 4Å: Chain B: L.82, P.88, I.89, A.219, I.289 Ligands: AV0.4 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:L.82, B:P.88, B:I.89, B:A.219, B:I.289

2 x AV0: Lauryl Maltose Neopentyl Glycol(Non-covalent)

AV0.4: 16 residues within 4Å: Chain A: I.201, F.205, S.208, H.209, P.210, L.327, C.328, P.329 Chain B: I.215, G.216, F.217, V.220, H.221, I.289 Ligands: R16.5, Y01.9 13 PLIP interactions: 4 interactions with chain B, 9 interactions with chain A Hydrophobic interactions: B:I.215, B:I.289, A:I.201, A:F.205, A:F.205, A:F.205 Hydrogen bonds: B:G.216, A:F.205, A:H.209, A:L.327, A:C.328 Salt bridges: B:H.221, A:H.209 AV0.7: 16 residues within 4Å: Chain A: I.215, G.216, F.217, V.220, H.221, I.289 Chain B: I.201, F.205, S.208, H.209, P.210, L.327, C.328, P.329 Ligands: Y01.3, R16.8 13 PLIP interactions: 4 interactions with chain A, 9 interactions with chain B Hydrophobic interactions: A:I.215, A:I.289, B:I.201, B:F.205, B:F.205, B:F.205 Hydrogen bonds: A:G.216, B:F.205, B:H.209, B:L.327, B:C.328 Salt bridges: A:H.221, B:H.209

2 x R16: HEXADECANE(Non-covalent)

R16.5: 6 residues within 4Å: Chain A: W.200, P.204 Chain B: L.207, D.214, L.290 Ligands: AV0.4 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:W.200, A:P.204, A:P.204, B:L.207, B:L.290 R16.8: 6 residues within 4Å: Chain A: L.207, D.214, L.290 Chain B: W.200, P.204 Ligands: AV0.7 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:W.200, B:P.204, B:P.204, A:L.207, A:L.290

2 x HC6: (2S,2'S)-2,2'-biphenyl-4,4'-diylbis(2-hydroxy-4,4-dimethylmorpholin-4-ium)(Non-covalent)

HC6.6: 10 residues within 4Å: Chain A: W.62, Q.86, Y.91, W.141, L.246, L.247, W.254, W.406, Y.407, S.410 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:L.246, A:L.247, A:W.406, A:Y.407 Hydrogen bonds: A:Q.86, A:W.254 pi-Stacking: A:Y.407 pi-Cation interactions: A:W.141, A:W.141, A:W.254, A:W.254 HC6.10: 10 residues within 4Å: Chain B: W.62, Q.86, Y.91, W.141, L.246, L.247, W.254, W.406, Y.407, S.410 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:L.246, B:L.247, B:W.406, B:Y.407 Hydrogen bonds: B:Q.86, B:W.254 pi-Stacking: B:Y.407 pi-Cation interactions: B:W.141, B:W.141, B:W.254, B:W.254

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Qiu, Y. et al., Transport mechanism of presynaptic high-affinity choline uptake by CHT1. Nat.Struct.Mol.Biol. (2024)

Release Date

2024-04-03

Peptides

High affinity choline transporter 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
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High affinity choline transporter 1

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