9S3W

diFe-Sulerythin_E126D reduced

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)	Sulerythrin	polymer	144	16084.1	2	UniProt (F9VPE5)	Sulfurisphaera tokodaii str. 7
2	C, E, F, G (A, B)	FE (II) ION	non-polymer		55.8	4	Chemie (FE2) PubChem (27284)
3	D, H, I (A, B)	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL) PubChem (312)
4	J, K (A, B)	water	water		18.0	357	Chemie (HOH)

Sequence modifications

A, B: 3 - 144 (UniProt: F9VPE5)

PDB	External Database	Details
Met 1	-	initiating methionine
Lys 2	-	expression tag
Asp 126	Glu 126	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	32168.1
Non-Polymers*	Number of molecules	7
	Total formula weight	329.7
All*	Total formula weight	32497.8

*Water molecules are not included.