6EK2

CRYSTAL STRUCTURE OF HUMAN CD81 LARGE EXTRACELLULAR LOOP IN COMPLEX WITH SINGLE CHAIN FV FRAGMENT 10

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	98	10809.0	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	H, I	SINGLE CHAIN FV FRAGMENT	polymer	247	26366.2	2		Mus musculus (Mouse)
3		water	water		18.0	257	Chemie (HOH)

Sequence modifications

A, B: 112 - 201 (UniProt: P60033)

PDB	External Database	Details
Gly 110	-	expression tag
Ser 111	-	expression tag
His 202	-	expression tag
His 203	-	expression tag
His 204	-	expression tag
His 205	-	expression tag
His 206	-	expression tag
His 207	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	74350.3
All*	Total formula weight	74350.3

*Water molecules are not included.