SMTL ID : 7egk.1

Bicarbonate transporter complex SbtA-SbtB bound to AMP

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-3-3-mer

Ligands

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

NA.1: 6 residues within 4Å: Chain A: F.110, G.111, A.112, I.319, A.320, S.322 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:I.319 NA.3: 6 residues within 4Å: Chain C: F.110, G.111, A.112, I.319, A.320, S.322 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:F.110 NA.5: 6 residues within 4Å: Chain E: F.110, G.111, A.112, I.319, A.320, S.322 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:S.322

3 x AMP: ADENOSINE MONOPHOSPHATE(Non-covalent)

AMP.2: 20 residues within 4Å: Chain B: V.11, G.38, G.39, K.40, G.41, S.42, R.43, R.46, N.59, A.88, G.89, I.90 Chain D: G.31, Y.32, T.33, E.63, I.64, L.65, T.103, F.104 8 PLIP interactions: 6 interactions with chain B, 2 interactions with chain D Hydrogen bonds: B:G.38, B:S.42, B:S.42, B:R.43, B:R.46, B:N.59, D:L.65, D:L.65 AMP.4: 20 residues within 4Å: Chain D: V.11, G.38, G.39, K.40, G.41, S.42, R.43, R.46, N.59, A.88, G.89, I.90 Chain F: G.31, Y.32, T.33, E.63, I.64, L.65, T.103, F.104 8 PLIP interactions: 6 interactions with chain D, 2 interactions with chain F Hydrogen bonds: D:G.38, D:S.42, D:S.42, D:R.43, D:R.46, D:N.59, F:L.65, F:L.65 AMP.6: 19 residues within 4Å: Chain B: G.31, Y.32, T.33, E.63, I.64, L.65, T.103 Chain F: V.11, G.38, G.39, K.40, G.41, S.42, R.43, R.46, N.59, A.88, G.89, I.90 8 PLIP interactions: 6 interactions with chain F, 2 interactions with chain B Hydrogen bonds: F:G.38, F:S.42, F:S.42, F:R.43, F:R.46, F:N.59, B:L.65, B:L.65

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fang, S. et al., Molecular mechanism underlying transport and allosteric inhibition of bicarbonate transporter SbtA. Proc.Natl.Acad.Sci.USA (2021)

Release Date

2021-05-26

Peptides

Sodium-dependent bicarbonate transporter SbtA: ACE
Membrane-associated protein SbtB: BDF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

E
E

B
D

D
F

F
B

Membrane

We predict this structure to be a membrane protein.
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Sodium-dependent bicarbonate transporter SbtA

Membrane-associated protein SbtB

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