3P5N

Structure and mechanism of the S component of a bacterial ECF transporter

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Riboflavin uptake protein	polymer	189	21025.5	2	UniProt (C2GB05) Pfam (PF12822) UniProt (by SIFTS) (E5QVT2) In PDB	Staphylococcus aureus	RibU
2	A, B	RIBOFLAVIN	non-polymer		376.4	2	Chemie (RBF)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42051.0
Non-Polymers*	Number of molecules	2
	Total formula weight	752.7
All*	Total formula weight	42803.7

*Water molecules are not included.