1B3D

STROMELYSIN-1

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)	STROMELYSIN-1	polymer	173	19416.5	2	UniProt (P08254) Pfam (PF00413)	Homo sapiens (human)	MMP-3
2	C, D, H, I (A, B)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	E, F, G, J, K... (A, B)	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
4	M (B)	N-[[2-METHYL-4-HYDROXYCARBAMOYL]BUT-4-YL-N]-BENZYL-P-[PHENYL]-P-[METHYL]PHOSPHINAMID	non-polymer		374.4	1	Chemie (S27)
5	N, O (A, B)	water	water		18.0	120	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	38833.1
Non-Polymers*	Number of molecules	11
	Total formula weight	876.5
All*	Total formula weight	39709.6

*Water molecules are not included.