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

Selectivity mechanism of a bacterial homologue of the human drug peptide transporters PepT1 and PepT2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

monomer

Ligands

1 x ALA- ALA- ALA: ALA-ALA-ALA(Non-covalent)

ALA-ALA-ALA.1: 12 residues within 4Å: Chain A: E.21, R.25, Y.29, K.121, Y.147, V.150, N.151, S.154, Y.291, N.329, I.333, E.402 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:Y.29 Hydrogen bonds: A:E.21, A:R.25, A:Y.29, A:Y.147, A:N.151, A:N.151 Salt bridges: A:R.25, A:K.121

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 1 residues within 4Å: Chain A: N.468 No protein-ligand interaction detected (PLIP)

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

LMT.3: 9 residues within 4Å: Chain A: F.156, L.159, L.160, W.163, D.166, W.318, T.319, S.321, Q.324 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:F.156, A:F.156, A:F.156, A:L.159, A:L.160 Hydrogen bonds: A:D.166, A:D.166, A:T.319, A:S.321, A:Q.324 LMT.4: 6 residues within 4Å: Chain A: L.95, N.102, W.104, F.105, S.108, V.112 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.105, A:V.112 Hydrogen bonds: A:N.102, A:N.102, A:N.102

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Guettou, F. et al., Selectivity mechanism of a bacterial homolog of the human drug-peptide transporters PepT1 and PepT2. Nat.Struct.Mol.Biol. (2014)

Release Date

2014-07-09

Peptides

Proton:oligopeptide symporter POT family: 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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Proton:oligopeptide symporter POT family

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