8ZR1

Cocrystallization of engineered streptavidin with A9 oligo DNA

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 (A, B, C, D)	Streptavidin	polymer	132	14187.5	4	UniProt (P22629) Pfam (PF01382)	Streptomyces avidinii
2	E, F, G, H (A, B, C, D)	water	water		18.0	164	Chemie (HOH)

Sequence modifications

A, B, C, D: 15 - 139 (UniProt: P22629)

PDB	External Database	Details
Arg 140	-	expression tag
Arg 141	-	expression tag
Arg 142	-	expression tag
Arg 143	-	expression tag
Arg 144	-	expression tag
Arg 145	-	expression tag
Tyr 146	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	56749.9
All*	Total formula weight	56749.9

*Water molecules are not included.