4U7S

Homodimeric Single Domain Antibody (sdAb) against Staphylococcal enterotoxin B (SEB) Crystallized for 5 months

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	sdAb A3	polymer	133	14387.1	2		Lama glama
2	C, D (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	E, F (A, B)	water	water		18.0	115	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28774.1
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	28966.2

*Water molecules are not included.