1H4Z

Structure of the Anti-Sigma Factor Antagonist SpoIIAA in its Unphosphorylated Form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ANTI-SIGMA F FACTOR ANTAGONIST	polymer	117	13125.2	1	Pfam (PF01740) UniProt (by SIFTS) (O32723) In PDB	BACILLUS SPHAERICUS	SPOIIAA
2		water	water		18.0	8	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	13125.2
All*	Total formula weight	13125.2

*Water molecules are not included.