1Y43

crystal structure of aspergilloglutamic peptidase from Aspergillus niger

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Aspergillopepsin II light chain	polymer	39	3919.1	1	UniProt (P24665) In PDB	Aspergillus niger var. macrosporus	Acid protease A, Proctase A
2	B	Aspergillopepsin II heavy chain	polymer	173	18372.3	1	UniProt (P24665) Pfam (PF01828) In PDB	Aspergillus niger var. macrosporus	Acid protease A, Proctase A
3	A, B	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
4		water	water		18.0	128	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	22291.4
Non-Polymers*	Number of molecules	5
	Total formula weight	480.3
All*	Total formula weight	22771.7

*Water molecules are not included.