8IPT

Cryo-EM structure of heme transporter CydDC from Escherichia coli in the occluded ATP bound state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (C, D)	ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydC	polymer	573	62978.9	2	UniProt (A0A140NDD5) Pfam (PF00664) Pfam (PF00005) UniProt (by SIFTS) (P23886)	Escherichia coli
2	B, D (A, E)	ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydD	polymer	588	65144.0	2	UniProt (A0A140NDK4) Pfam (PF00664) Pfam (PF00005) UniProt (by SIFTS) (P29018)	Escherichia coli
3	E, F, G, H (C, A, D, E)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	4	Chemie (ATP)

Sequence modifications

C, D: 1 - 573 (UniProt: A0A140NDD5)

PDB	External Database	Details
Gln 500	Glu 500	engineered mutation

A, E: 1 - 588 (UniProt: A0A140NDK4)

PDB	External Database	Details
Gln 511	Glu 511	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	256245.7
Non-Polymers*	Number of molecules	4
	Total formula weight	2028.7
All*	Total formula weight	258274.5

*Water molecules are not included.