4W6B

Crystal Structure of a Superfolder GFP Mutant K26C Disulfide Dimer, P 21 21 21 Space Group

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)	fluorescent protein K26C	polymer	236	26593.9	2		synthetic construct
2	C (B)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	D, E (B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	F, G (A, B)	water	water		18.0	221	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	53187.7
Non-Polymers*	Number of molecules	3
	Total formula weight	95.2
All*	Total formula weight	53282.9

*Water molecules are not included.