1GKC

MMP9-inhibitor complex

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)	92 KDA TYPE IV COLLAGENASE	polymer	163	18384.4	2	UniProt (P14780) Pfam (PF00413)	HOMO SAPIENS (HUMAN)	MMP-9,92 KDA GELATINASE, GELATINASE B, MATRIX METALLOPROTEINASE-9
2	C, D, E, F, J... (A, B)	CALCIUM ION	non-polymer		40.1	10	Chemie (CA)
3	G, P (A, B)	N~2~-[(2R)-2-{[formyl(hydroxy)amino]methyl}-4-methylpentanoyl]-N,3-dimethyl-L-valinamide	non-polymer		315.4	2	Chemie (NFH)
4	H, I, Q, R (A, B)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
5	S, T (A, B)	water	water		18.0	120	Chemie (HOH)

Sequence modifications

A, B: 106 - 106 (PDB: 1GKC)
A, B: 107 - 215 (UniProt: P14780)
A, B: 391 - 443 (UniProt: P14780)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	36768.8
Non-Polymers*	Number of molecules	16
	Total formula weight	1293.2
All*	Total formula weight	38062.0

*Water molecules are not included.