SMTL ID : 5a1s.1 (1 other biounit)

Crystal structure of the sodium-dependent citrate symporter SeCitS form Salmonella enterica.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

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

NA.1: 5 residues within 4Å: Chain A: C.398, N.401, G.403, D.407, S.427 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:C.398, A:N.401, A:G.403 NA.2: 8 residues within 4Å: Chain A: P.180, I.181, M.182, G.183, G.185, M.399, A.400, N.401 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:P.180, A:G.185 NA.6: 5 residues within 4Å: Chain B: C.398, N.401, G.403, D.407, S.427 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.401, B:G.403, B:G.403 NA.7: 7 residues within 4Å: Chain B: P.180, I.181, M.182, G.183, M.399, A.400, N.401 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:P.180 Water bridges: B:G.403

2 x FLC: CITRATE ANION(Non-covalent)

FLC.3: 10 residues within 4Å: Chain A: L.117, G.185, N.186, G.187, Y.348, R.402, G.403, G.404, S.405, R.428 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:L.117, A:Y.348 Hydrogen bonds: A:N.186, A:N.186, A:G.187, A:R.402, A:G.404, A:S.405, A:S.405 Water bridges: A:A.188, A:R.428 Salt bridges: A:R.402, A:R.428 FLC.8: 9 residues within 4Å: Chain B: L.124, G.184, A.188, S.333, L.337, R.402, G.403, G.404, S.405 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:A.188 Hydrogen bonds: B:G.404, B:S.405 Water bridges: B:G.187

3 x BOG: octyl beta-D-glucopyranoside(Non-covalent)

BOG.4: 12 residues within 4Å: Chain A: A.128, I.129, V.132, L.136, L.137, L.141, E.245, A.250, A.309, N.418, S.421, Y.422 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:L.141, A:A.309, A:Y.422, A:Y.422 Hydrogen bonds: A:E.245, A:N.418, A:N.418, A:Y.422 BOG.5: 2 residues within 4Å: Chain A: F.43, Y.44 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.43, A:Y.44 BOG.13: 2 residues within 4Å: Chain B: Y.95, A.96 No protein-ligand interaction detected (PLIP)

1 x UND: UNDECANE(Non-covalent)

UND.9: 3 residues within 4Å: Chain A: F.331 Chain B: H.265, F.331 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:F.331, B:F.331, A:F.331, A:F.331

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

CL.10: 2 residues within 4Å: Chain B: T.100, Q.101 Ligand excluded by PLIP CL.11: 4 residues within 4Å: Chain A: Y.283 Chain B: A.46, I.47, K.102 Ligand excluded by PLIP

1 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.12: 5 residues within 4Å: Chain B: S.108, E.206, V.346, C.347, T.349 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.108

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wohlert, D. et al., Mechanism of Na(+)-dependent citrate transport from the structure of an asymmetrical CitS dimer. Elife (2015)

Release Date

2016-02-17

Peptides

CITRATE-SODIUM SYMPORTER: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Membrane

We predict this structure to be a membrane protein.
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CITRATE-SODIUM SYMPORTER

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