3PIB

Crystal structure of red fluorescent protein eqFP578 crystallized at pH 5.5

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	eqFP578 fluorescent protein	polymer	238	26935.6	4	Pfam (PF01353) UniProt (by SIFTS) (H3JQU4) In PDB	Entacmaea quadricolor (sea anemones)
2	A, B, C, D	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
3		water	water		18.0	721	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	107742.5
Non-Polymers*	Number of molecules	4
	Total formula weight	368.4
All*	Total formula weight	108110.8

*Water molecules are not included.