SMTL ID : 8thi.1

Cryo-EM structure of the Tripartite ATP-independent Periplasmic (TRAP) transporter SiaQM from Haemophilus influenzae (parallel dimer)

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x PGT: (1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE(Non-covalent)

PGT.1: 15 residues within 4Å: Chain A: I.132, F.135, L.136, H.139, R.143, L.205, L.209, P.213, F.216, K.217, L.219, R.220, I.255, L.259, W.266 17 PLIP interactions: 17 interactions with chain A Hydrophobic interactions: A:I.132, A:L.136, A:L.205, A:F.216, A:F.216, A:F.216, A:L.219, A:R.220, A:I.255, A:L.259, A:W.266, A:W.266 Hydrogen bonds: A:R.143 Salt bridges: A:H.139, A:H.139, A:R.143, A:R.220 PGT.3: 11 residues within 4Å: Chain B: F.135, L.136, H.139, R.143, L.209, P.213, F.216, K.217, L.219, R.220, W.266 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:F.135, B:L.136, B:F.216, B:F.216, B:L.219, B:R.220, B:W.266 Salt bridges: B:H.139

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

NA.2: 6 residues within 4Å: Chain A: S.334, S.337, G.338, G.376, V.379, P.381 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.337 NA.4: 6 residues within 4Å: Chain B: S.334, S.337, G.376, V.379, P.380, P.381 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.376

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Currie, M.J. et al., Structural and biophysical analysis of a Haemophilus influenzae tripartite ATP-independent periplasmic (TRAP) transporter. Elife (2024)

Release Date

2023-11-22

Peptides

Sialic acid TRAP transporter permease protein SiaT: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
Show / Hide

Sialic acid TRAP transporter permease protein SiaT

Related Entries With Identical Sequence