2J8I

Structure of NP275, a pentapeptide repeat protein from Nostoc punctiforme

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	NP275	polymer	118	12496.9	2		NOSTOC PUNCTIFORME
2	B	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
3		water	water		18.0	104	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24993.8
Non-Polymers*	Number of molecules	1
	Total formula weight	35.5
All*	Total formula weight	25029.2

*Water molecules are not included.