SMTL ID : 9g2v.1

Cryo-EM structure of IrtAB in inward-facing state in presence of mycobactin under turnover conditions in LMNG

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-mer

Ligands

2 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.1: 11 residues within 4Å: Chain A: R.109, Y.350, R.351, V.356, G.377, S.378, G.379, K.380, S.381, T.382, H.533 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:R.109, A:R.109, A:R.351, A:R.351, A:G.377, A:S.378, A:G.379, A:K.380, A:S.381, A:S.381, A:S.381, A:T.382, A:T.382, A:H.533 Salt bridges: A:K.380, A:K.380 pi-Stacking: A:Y.350, A:Y.350 ADP.3: 12 residues within 4Å: Chain B: Y.341, E.344, V.346, P.365, S.366, S.368, G.369, K.370, T.371, T.372, Q.412, H.524 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:S.366, B:K.370, B:T.371, B:T.371 Salt bridges: B:K.370, B:K.370

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 6 residues within 4Å: Chain A: H.80, H.126, T.130, H.131 Chain B: A.185, Q.237 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:H.80, A:H.131

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gonda, I. et al., The mycobacterial ABC transporter IrtAB employs a membrane-facing crevice for siderophore-mediated iron uptake. Nature (2024)

Release Date

2024-12-18

Peptides

Mycobactin import ATP-binding/permease protein IrtA: A
Mycobactin import ATP-binding/permease protein IrtB: B

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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Mycobactin import ATP-binding/permease protein IrtA

Mycobactin import ATP-binding/permease protein IrtB

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