4GJV

Streptavidin-S112H

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Streptavidin	polymer	159	16621.1	1	UniProt (P22629)	Streptomyces avidinii
2	B (A)	trichloro{(1,2,3,4,5-eta)-1,2,3,4-tetramethyl-5-[2-({5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoyl}amino)ethyl]cyclopentadienyl}rhodium(1+)	non-polymer		599.8	1	Chemie (0OD)
3	C, D, F, G (A)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
4	E (A)	Rhodium	non-polymer		102.9	1	Chemie (RH)
5	H (A)	water	water		18.0	22	Chemie (HOH)

Sequence modifications

A: 2 - 159 (UniProt: P22629)

PDB	External Database	Details
Met 1	-	expression tag
Ser 3	-	expression tag
Met 4	-	expression tag
Thr 5	-	expression tag
Gly 6	-	expression tag
Gly 7	-	expression tag
Gln 8	-	expression tag
Gln 9	-	expression tag
Met 10	-	expression tag
Gly 11	-	expression tag
Arg 12	-	expression tag
Asp 13	-	expression tag
His 112	Ser 136	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16621.1
Non-Polymers*	Number of molecules	6
	Total formula weight	844.5
All*	Total formula weight	17465.6

*Water molecules are not included.