5KC4

Structure of TmRibU, orthorhombic crystal form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E	Riboflavin transporter RibU	polymer	181	19797.9	2	UniProt (Q9X1G6) Pfam (PF12822) In PDB	Thermotoga maritima	Riboflavin ECF transporter S component RibU
2	A, E	RIBOFLAVIN	non-polymer		376.4	2	Chemie (RBF)
3	A, E	nonyl beta-D-glucopyranoside	non-polymer		306.4	2	Chemie (BNG)

Sequence modifications

A, E: 2 - 173 (UniProt: Q9X1G6)

PDB	External Database	Details
Met 0	-	initiating methionine
Gly 1	-	expression tag
Ser 174	-	expression tag
Asn 175	-	expression tag
Ser 176	-	expression tag
Leu 177	-	expression tag
Val 178	-	expression tag
Pro 179	-	expression tag
Arg 180	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39595.7
Non-Polymers*	Number of molecules	4
	Total formula weight	1365.5
All*	Total formula weight	40961.2

*Water molecules are not included.