SMTL ID : 4qnc.1

Crystal structure of a SemiSWEET in an occluded state

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.39 Å

Oligo State

homo-dimer

Ligands

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

OLC.1: 6 residues within 4Å: Chain A: S.34, R.35, N.36 Chain B: P.19, R.23, M.26 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.35, A:R.35, A:N.36 Hydrophobic interactions: B:P.19 OLC.2: 7 residues within 4Å: Chain A: V.65, L.68, F.69, T.72, I.73, Y.77 Ligands: OLC.3 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:V.65, A:L.68, A:L.68, A:F.69, A:F.69, A:T.72, A:I.73 OLC.3: 4 residues within 4Å: Chain A: Y.76, L.79, T.80 Ligands: OLC.2 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:Y.76 OLC.7: 6 residues within 4Å: Chain A: R.23 Chain B: I.33, S.34, R.35, N.36, K.78 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:I.33, B:R.35, B:R.35, B:K.78 Salt bridges: A:R.23

4 x MYS: PENTADECANE(Non-covalent)(Non-functional Binders)

MYS.4: 1 residues within 4Å: Chain A: F.11 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.11, A:F.11 MYS.5: 2 residues within 4Å: Chain A: V.50, L.54 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:V.50, A:L.54 MYS.6: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MYS.8: 3 residues within 4Å: Chain B: V.46, V.50, L.54 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.46, B:V.46, B:V.50, B:V.50, B:L.54

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xu, Y. et al., Structures of bacterial homologues of SWEET transporters in two distinct conformations. Nature (2014)

Release Date

2014-09-10

Peptides

chemical transport protein: 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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chemical transport protein