6VJL

Streptavidin mutant M112 (G26C/A46C)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Streptavidin	polymer	160	16714.2	1	UniProt (P22629) Pfam (PF01382) In PDB	Streptomyces avidinii
2	A	BIOTIN	non-polymer		244.3	1	Chemie (BTN)
3		water	water		18.0	156	Chemie (HOH)

Sequence modifications

A: 1 - 159 (UniProt: P22629)

PDB	External Database	Details
Met 0	-	initiating methionine
Cys 26	Gly 50	engineered mutation
Cys 46	Ala 70	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16714.2
Non-Polymers*	Number of molecules	1
	Total formula weight	244.3
All*	Total formula weight	16958.5

*Water molecules are not included.