1XUD

Matrix metalloproteinase-13 complexed with non-zinc binding inhibitor

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)	Collagenase 3	polymer	171	19235.4	2	UniProt (P45452) Pfam (PF00413)	Homo sapiens (human)	Matrix metalloproteinase-13, MMP-13
2	C, D, H, I (A, B)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	E, F, J, K (A, B)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	G, L (A, B)	N,N'-BIS(4-FLUORO-3-METHYLBENZYL)PYRIMIDINE-4,6-DICARBOXAMIDE	non-polymer		410.4	2	Chemie (PB4)
5	M, N (A, B)	water	water		18.0	473	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	38470.8
Non-Polymers*	Number of molecules	10
	Total formula weight	1242.8
All*	Total formula weight	39713.5

*Water molecules are not included.