1I9H

CORE STREPTAVIDIN-BNA COMPLEX

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)	STREPTAVIDIN	polymer	139	14497.6	2	UniProt (P22629) Pfam (PF01382)	Streptomyces avidinii
2	C, D (A, B)	5-(2-OXO-HEXAHYDRO-THIENO[3,4-D]IMIDAZOL-6-YL)-PENTANOIC ACID (4-NITRO-PHENYL)-AMIDE	non-polymer		364.4	2	Chemie (BNI)
3	E, F (A, B)	water	water		18.0	134	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28995.3
Non-Polymers*	Number of molecules	2
	Total formula weight	728.8
All*	Total formula weight	29724.1

*Water molecules are not included.