1YY7

Crystal structure of stringent starvation protein A (SspA), an RNA polymerase-associated transcription factor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	stringent starvation protein A	polymer	213	24553.2	2	UniProt (Q8ZB63) Pfam (PF02798) Pfam (PF00043) UniProt (by SIFTS) (A0A2U2GZL1) In PDB	Yersinia pestis	SspA
2	B	CITRIC ACID	non-polymer		192.1	2	Chemie (CIT)
3		water	water		18.0	441	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49106.4
Non-Polymers*	Number of molecules	2
	Total formula weight	384.2
All*	Total formula weight	49490.7

*Water molecules are not included.