8IPS

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

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydC	polymer	589	64802.9	1	UniProt (A0A140NDD5) Pfam (PF00664) Pfam (PF00005) UniProt (by SIFTS) (P23886) In PDB	Escherichia coli (strain B / BL21-DE3)
2	B	ABC transporter, CydDC cysteine exporter (CydDC-E) family, permease/ATP-binding protein CydD	polymer	588	65144.9	1	UniProt (A0A140NDK4) Pfam (PF00664) Pfam (PF00005) UniProt (by SIFTS) (P29018) In PDB	Escherichia coli (strain B / BL21-DE3)
3	A	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)

Sequence modifications

A: 1 - 573 (UniProt: A0A140NDD5)

PDB	External Database	Details
His 574	-	expression tag
Leu 575	-	expression tag
Gly 576	-	expression tag
Gly 577	-	expression tag
Ile 578	-	expression tag
Lys 579	-	expression tag
Ala 580	-	expression tag
Phe 581	-	expression tag
Asp 582	-	expression tag
Tyr 583	-	expression tag
Lys 584	-	expression tag
Asp 585	-	expression tag
Asp 586	-	expression tag
Asp 587	-	expression tag
Asp 588	-	expression tag
Lys 589	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	129947.8
Non-Polymers*	Number of molecules	1
	Total formula weight	616.5
All*	Total formula weight	130564.3

*Water molecules are not included.