5JD2

SFX structure of corestreptavidin-selenobiotin 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, C, D	Streptavidin	polymer	120	12693.8	4	UniProt (P22629) Pfam (PF01382) In PDB	Streptomyces avidinii
2	A, B, C, D	5-[(3aS,4S,6aR)-2-oxohexahydro-1H-selenopheno[3,4-d]imidazol-4-yl]pentanoic acid	non-polymer		291.2	4	Chemie (BYY)
3		water	water		18.0	262	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	50775.0
Non-Polymers*	Number of molecules	4
	Total formula weight	1164.8
All*	Total formula weight	51939.8

*Water molecules are not included.