SMTL ID : 7qru.1

Structure of Bacillus pseudofirmus Mrp antiporter complex, monomer

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-2-1-1-mer

Ligands

3 x 3PE: 1,2-Distearoyl-sn-glycerophosphoethanolamine(Non-covalent)

3PE.1: 14 residues within 4Å: Chain A: P.367, W.368, W.371, M.372, I.378, V.456, I.460, I.461 Chain B: P.19, N.110, N.111, V.114, M.118, L.144 12 PLIP interactions: 9 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:W.368, A:W.371, A:W.371, A:W.371, A:I.378, A:V.456, A:I.460, A:I.461, B:N.110, B:V.114, B:L.144 Hydrogen bonds: A:W.368 3PE.2: 6 residues within 4Å: Chain E: R.53, I.61, W.101, V.156, T.157 Ligands: 3PE.3 4 PLIP interactions: 4 interactions with chain E Hydrophobic interactions: E:I.61, E:W.101 Salt bridges: E:R.53, E:R.53 3PE.3: 22 residues within 4Å: Chain C: S.13, R.16, V.17, F.20, I.21 Chain E: F.64, D.100, W.101, S.104, L.105, S.108 Chain G: L.74, F.77, L.78 Chain H: F.3, L.7, V.10, V.13, I.14, R.46, F.47 Ligands: 3PE.2 17 PLIP interactions: 4 interactions with chain E, 4 interactions with chain G, 4 interactions with chain C, 5 interactions with chain H Hydrophobic interactions: E:F.64, E:W.101, G:L.74, G:F.77, G:F.77, G:L.78, C:V.17, C:F.20, C:I.21, H:L.7, H:L.7, H:V.10, H:V.13, H:I.14 Hydrogen bonds: E:D.100, E:D.100 Salt bridges: C:R.16

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, Y. et al., Ion transfer mechanisms in Mrp-type antiporters from high resolution cryoEM and molecular dynamics simulations. Nat Commun (2022)

Release Date

2022-11-09

Peptides

Na+/H+ antiporter subunit D: A
Na+/H+ antiporter subunit A: B
Na(+)/H(+) antiporter subunit B: C
Na(+)/H(+) antiporter subunit C: D
Na+/H+ antiporter subunit E: EH
Na(+)/H(+) antiporter subunit F: F
Na+/H+ antiporter subunit G1: G

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
A

C
B

D
C

E
E

H
e

F
F

G
G

Membrane

We predict this structure to be a membrane protein.
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Na+/H+ antiporter subunit D

Na+/H+ antiporter subunit A

Na(+)/H(+) antiporter subunit B

Na(+)/H(+) antiporter subunit C

Na+/H+ antiporter subunit E

Na(+)/H(+) antiporter subunit F

Na+/H+ antiporter subunit G1