5GXB

crystal structure of a LacY/Nanobody complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Lactose permease	polymer	423	47618.1	1	UniProt (P02920) Pfam (PF01306) In PDB	Escherichia coli (strain K12)	Lactose-proton symport
2	B	nanobody	polymer	140	15690.3	1		Vicugna pacos

Sequence modifications

A: 1 - 417 (UniProt: P02920)

PDB	External Database	Details
Trp 46	Gly 46	conflict
Trp 262	Gly 262	conflict
His 418	-	expression tag
His 419	-	expression tag
His 420	-	expression tag
His 421	-	expression tag
His 422	-	expression tag
His 423	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	63308.4
All*	Total formula weight	63308.4

*Water molecules are not included.