3J9C

CryoEM single particle reconstruction of anthrax toxin protective antigen pore at 2.9 Angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Protective antigen PA-63	polymer	562	63019.0	1	UniProt (P13423) Pfam (PF03495) Pfam (PF17475) Pfam (PF17476) Pfam (PF20835) In PDB	Bacillus anthracis (anthrax)	Anthrax toxin protective antigen
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	63019.0
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	63099.2

*Water molecules are not included.