5K7S

MicroED structure of proteinase K at 1.6 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Proteinase K	polymer	279	28930.8	1	UniProt (P06873) Pfam (PF00082) In PDB	Engyodontium album	Endopeptidase K, Tritirachium alkaline proteinase
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	221	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28930.8
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	29010.9

*Water molecules are not included.