3G4E

Crystal structure of human senescence marker protein-30(SMP30)(Calcium bound)

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)	Regucalcin	polymer	297	33073.5	2	UniProt (Q15493) Pfam (PF08450)	Homo sapiens (Human)	RC, Senescence marker protein 30, SMP-30
2	C, D (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	E, F (A, B)	water	water		18.0	497	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66147.0
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	66227.1

*Water molecules are not included.