4HX3

Crystal structure of Streptomyces caespitosus sermetstatin in complex with S. caespitosus snapalysin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I...	Extracellular small neutral protease	polymer	134	14571.6	6	UniProt (P56406) Pfam (PF02031) In PDB	Streptomyces caespitosus	SCNP, Snapalysin
2	B, D, F, H, J...	Neutral proteinase inhibitor ScNPI	polymer	114	11923.4	6	UniProt (Q9FDS0) Pfam (PF00720) In PDB	Streptomyces caespitosus	Sermetstatin
3	A, C, E, G, I...	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
4	D, J	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
5		water	water		18.0	275	Chemie (HOH)

Sequence modifications

A, C, E, G, I, K: 2 - 132 (UniProt: P56406)

PDB	External Database	Details
Gly -2	-	expression tag
Pro -1	-	expression tag
Met 1	-	expression tag

B, D, F, H, J, L: 1 - 113 (UniProt: Q9FDS0)

PDB	External Database	Details
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	158969.6
Non-Polymers*	Number of molecules	8
	Total formula weight	576.6
All*	Total formula weight	159546.3

*Water molecules are not included.