SMTL ID : 4u4w.2 (1 other biounit)

Structure of a nitrate/nitrite antiporter NarK in nitrate-bound occluded state

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

monomer

Ligands

1 x NO3: NITRATE ION(Non-functional Binders)

NO3.1: 8 residues within 4Å: Chain A: F.49, R.89, F.147, N.175, Y.263, F.267, R.305, S.411 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:R.89, A:R.89, A:N.175, A:Y.263, A:R.305, A:R.305

5 x OLA: OLEIC ACID(Non-covalent)

OLA.2: 5 residues within 4Å: Chain A: L.187, V.188, L.191 Ligands: OLA.3, OLC.7 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:V.188, A:L.191 OLA.3: 7 residues within 4Å: Chain A: L.46, L.47, W.219, F.222 Ligands: OLA.2, OLA.6, OLC.8 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:L.46, A:L.47, A:W.219, A:F.222, A:F.222 OLA.4: 4 residues within 4Å: Chain A: F.194, F.197, W.217, P.221 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.194, A:F.194, A:F.197, A:F.197, A:W.217, A:W.217 OLA.5: 5 residues within 4Å: Chain A: S.35, L.38, W.39, G.165, A.166 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:L.38 OLA.6: 6 residues within 4Å: Chain A: W.39, V.42, L.169, L.173, S.306 Ligands: OLA.3 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:W.39, A:W.39, A:V.42, A:L.169, A:L.173, A:L.173 Hydrogen bonds: A:S.306

2 x OLC: (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate(Non-covalent)

OLC.7: 10 residues within 4Å: Chain A: S.192, I.193, F.194, A.195, V.196, I.218, P.221, F.222, I.225 Ligands: OLA.2 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:F.194, A:F.194, A:I.218, A:P.221, A:F.222, A:F.222, A:I.225 Hydrogen bonds: A:F.194, A:A.195 OLC.8: 7 residues within 4Å: Chain A: L.173, M.176, V.180, L.183, V.184, L.187 Ligands: OLA.3 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:L.173, A:V.180, A:L.183, A:V.184

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fukuda, M. et al., Structural basis for dynamic mechanism of nitrate/nitrite antiport by NarK. Nat Commun (2015)

Release Date

2015-07-15

Peptides

Nitrate/nitrite transporter NarK: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Membrane

We predict this structure to be a membrane protein.
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Nitrate/nitrite transporter NarK

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