SMTL ID : 5i6c.1

The structure of the eukaryotic purine/H+ symporter, UapA, in complex with Xanthine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.70 Å

Oligo State

homo-dimer

Ligands

2 x XAN: XANTHINE(Non-covalent)

XAN.1: 11 residues within 4Å: Chain A: G.93, V.153, S.154, F.155, E.356, T.404, T.405, F.406, A.407, Q.408 Ligands: LMT.3 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:G.93, A:F.155, A:E.356, A:A.407, A:Q.408, A:Q.408 pi-Stacking: A:F.406 XAN.4: 11 residues within 4Å: Chain B: G.93, V.153, S.154, F.155, E.356, T.404, T.405, F.406, A.407, Q.408 Ligands: LMT.6 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:F.155, B:A.407, B:Q.408, B:Q.408 pi-Stacking: B:F.155, B:F.155, B:F.406

4 x LMT: DODECYL-BETA-D-MALTOSIDE(Non-covalent)

LMT.2: 18 residues within 4Å: Chain A: T.223, T.226, V.227, A.348, I.351, I.352, C.355, E.356, G.359, D.360, A.363, A.407, S.466, I.470, K.473, V.523, A.529 Ligands: LMT.3 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:T.226, A:I.351, A:I.352, A:V.523, A:A.529 Hydrogen bonds: A:D.360, A:K.473, A:K.473 Salt bridges: A:K.473 LMT.3: 12 residues within 4Å: Chain A: A.89, S.295, V.298, E.356, Q.408, L.459, S.462, V.463, S.466 Chain B: R.478 Ligands: XAN.1, LMT.2 8 PLIP interactions: 1 interactions with chain B, 7 interactions with chain A Hydrogen bonds: B:R.478, A:S.295, A:Q.408, A:S.462, A:S.462, A:S.466, A:S.466 Hydrophobic interactions: A:V.463 LMT.5: 16 residues within 4Å: Chain B: T.223, T.226, V.227, A.348, I.352, C.355, E.356, D.360, A.363, A.407, S.466, I.470, K.473, V.523, A.529 Ligands: LMT.6 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:T.226, B:I.352, B:V.523, B:A.529 Hydrogen bonds: B:K.473, B:K.473 Salt bridges: B:K.473 LMT.6: 13 residues within 4Å: Chain A: R.478 Chain B: A.89, S.295, V.298, E.356, A.407, Q.408, L.459, S.462, V.463, S.466 Ligands: XAN.4, LMT.5 7 PLIP interactions: 1 interactions with chain A, 6 interactions with chain B Hydrogen bonds: A:R.478, B:S.295, B:Q.408, B:S.462, B:S.462, B:S.466, B:S.466

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Alguel, Y. et al., Structure of eukaryotic purine/H(+) symporter UapA suggests a role for homodimerization in transport activity. Nat Commun (2016)

Release Date

2016-04-27

Peptides

Uric acid-xanthine permease: 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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Uric acid-xanthine permease