8DFY

Crystal structure of Human BTN2A1 Ectodomain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E (A, B, C, D, E)	Butyrophilin subfamily 2 member A1	polymer	226	25426.9	5	UniProt (Q7KYR7) Pfam (PF07686) Pfam (PF22705)	Homo sapiens (human)
2	F, G, H, I, J... (F, G, H, I, J...)	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	7	In PDB GlyTouCan (G15407YE)
3	K (K)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
4	N, O, P, Q, R... (A, B, C, D, E)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	12	Chemie (NAG)

Sequence modifications

A, B, C, D, E: 1 - 217 (UniProt: Q7KYR7)

PDB	External Database	Details
Glu -2	-	expression tag
Thr -1	-	expression tag
Gly 0	-	expression tag
His 218	-	expression tag
His 219	-	expression tag
His 220	-	expression tag
His 221	-	expression tag
His 222	-	expression tag
His 223	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	127134.5
Branched	Number of molecules	8
	Total formula weight	4530.2
Non-Polymers*	Number of molecules	12
	Total formula weight	2654.5
All*	Total formula weight	134319.2

*Water molecules are not included.