SMTL ID : 9dvk.1

Structure of the phosphate exporter XPR1/SLC53A1, rotated dimer

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY 3.06 Å

Oligo State

homo-dimer

Ligands

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 8 residues within 4Å: Chain A: F.394, R.459, R.466, H.476, N.479, R.611, G.621, F.623 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.479 Salt bridges: A:R.459, A:R.466 PO4.5: 8 residues within 4Å: Chain B: F.394, R.459, C.463, R.466, P.475, H.476, N.479, F.623 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.479 Salt bridges: B:R.459, B:R.466, B:H.476

1 x CLR: CHOLESTEROL(Non-covalent)

CLR.2: 15 residues within 4Å: Chain A: I.287, G.291, Q.294, Y.553, P.554, Y.558, C.561, A.562, I.564, E.565, F.602, F.605, V.606, F.609, F.610 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:Y.558, A:F.602, A:F.605, A:V.606, A:F.609

3 x CPL: 1-PALMITOYL-2-LINOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-covalent)

CPL.3: 34 residues within 4Å: Chain A: L.278, F.281, L.282, L.285, T.289, W.292, H.299, F.303, L.305, N.306, S.309, N.310, L.311, L.316, I.319, L.323, M.355, V.356, F.358, L.359, Y.367, K.369, S.370, R.371, W.373, L.374, L.377, L.378, W.395, L.396, L.400, L.403, I.406, L.407 20 PLIP interactions: 20 interactions with chain A Hydrophobic interactions: A:L.278, A:F.281, A:L.282, A:L.285, A:L.285, A:L.311, A:L.316, A:V.356, A:F.358, A:L.359, A:W.373, A:L.374, A:L.374, A:W.395, A:W.395, A:I.406 Hydrogen bonds: A:S.309, A:N.310, A:L.311 Salt bridges: A:H.299 CPL.4: 26 residues within 4Å: Chain A: A.231, W.232, F.235, L.239 Chain B: T.234, V.237, C.241, F.244, I.245, L.284, I.287, Y.290, G.291, Q.294, A.295, Y.553, P.554, Y.558, C.561, A.562, E.565, F.602, F.605, V.606, F.609, F.610 12 PLIP interactions: 9 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:I.245, B:I.287, B:Y.290, B:Y.290, B:Q.294, B:Y.553, B:F.602, B:F.602, B:F.609, A:A.231, A:W.232, A:F.235 CPL.6: 34 residues within 4Å: Chain B: L.278, F.281, L.282, L.285, T.289, W.292, H.299, F.303, L.305, N.306, S.309, N.310, L.311, L.316, I.319, L.323, Y.352, M.355, V.356, F.358, L.359, K.369, S.370, R.371, W.373, L.374, L.378, W.395, L.396, Q.399, L.400, L.403, I.406, L.407 24 PLIP interactions: 24 interactions with chain B Hydrophobic interactions: B:L.278, B:F.281, B:L.282, B:L.285, B:L.285, B:F.303, B:L.311, B:L.316, B:I.319, B:M.355, B:V.356, B:F.358, B:L.359, B:L.359, B:L.374, B:L.374, B:L.396, B:L.403, B:I.406, B:L.407 Hydrogen bonds: B:T.289, B:S.309, B:L.311 Salt bridges: B:H.299

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhu, Q. et al., Transport and InsP 8 gating mechanisms of the human inorganic phosphate exporter XPR1. Nat Commun (2025)

Release Date

2025-04-02

Peptides

Solute carrier family 53 member 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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Solute carrier family 53 member 1

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