6EJG

CRYSTAL STRUCTURE OF HUMAN CD81 LARGE EXTRACELLULAR LOOP IN COMPLEX WITH SINGLE CHAIN FV FRAGMENT 4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	CD81 antigen	polymer	99	10922.1	2	UniProt (P60033) Pfam (PF00335) In PDB	Homo sapiens (Human)	26 kDa cell surface protein TAPA-1,Target of the antiproliferative antibody 1,Tetraspanin-28,Tspan-28
2	C, D	SINGLE CHAIN FV FRAGMENT	polymer	251	26399.3	2		Mus musculus (House Mouse)
3		water	water		18.0	57	Chemie (HOH)

Sequence modifications

A, B: 112 - 202 (UniProt: P60033)

PDB	External Database	Details
Gly 110	-	expression tag
Ser 111	-	expression tag
His 203	-	expression tag
His 204	-	expression tag
His 205	-	expression tag
His 206	-	expression tag
His 207	-	expression tag
His 208	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	74643.0
All*	Total formula weight	74643.0

*Water molecules are not included.