2IBM

A novel dimer interface and conformational changes revealed by an X-ray structure of B. subtilis SecA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Preprotein translocase secA subunit	polymer	780	88916.2	2	UniProt (P28366) Pfam (PF07517) Pfam (PF01043) Pfam (PF21090) Pfam (PF07516) In PDB	Bacillus subtilis
2	A	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	1	Chemie (ADP)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	177832.4
Non-Polymers*	Number of molecules	1
	Total formula weight	427.2
All*	Total formula weight	178259.6

*Water molecules are not included.