SMTL ID : 8ips.1

Cryo-EM structure of heme transporter CydDC from Escherichia coli in the inward facing heme loading state

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-mer

Ligands

1 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 15 residues within 4Å: Chain A: R.81, H.85, T.88, F.89, H.132, L.135, R.136 Chain B: L.243, F.247, S.249, S.250, G.308, T.309, Y.311, H.312 13 PLIP interactions: 7 interactions with chain B, 6 interactions with chain A, Hydrophobic interactions: B:L.243, B:F.247, B:Y.311, B:Y.311, A:F.89, A:L.135, A:L.135 Hydrogen bonds: B:G.308 pi-Stacking: B:F.247 Metal complexes: B:H.312, A:H.85 Salt bridges: A:R.81, A:R.136

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhu, C. et al., Cryo-EM structures of a prokaryotic heme transporter CydDC. Protein Cell (2023)

Release Date

2023-06-14

Peptides

ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydC: A
ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydD: 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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ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydC

ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydD