4K55

Structure of the extracellular domain of butyrophilin BTN3A1 in complex with (E)-4-hydroxy-3-methyl-but-2-enyl pyrophosphate (HMBPP)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Butyrophilin subfamily 3 member A1	polymer	124	13772.5	1	UniProt (O00481) Pfam (PF07686) In PDB	Homo sapiens (human)
2	A	(2E)-4-hydroxy-3-methylbut-2-en-1-yl trihydrogen diphosphate	non-polymer		262.1	1	Chemie (H6P)
3		water	water		18.0	84	Chemie (HOH)

Sequence modifications

A: 1 - 116 (UniProt: O00481)

PDB	External Database	Details
Leu 117	-	EXPRESSION TAG
Glu 118	-	EXPRESSION TAG
His 119	-	EXPRESSION TAG
His 120	-	EXPRESSION TAG
His 121	-	EXPRESSION TAG
His 122	-	EXPRESSION TAG
His 123	-	EXPRESSION TAG
His 124	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	13772.5
Non-Polymers*	Number of molecules	1
	Total formula weight	262.1
All*	Total formula weight	14034.6

*Water molecules are not included.