1QYN

Crystal Structure of SecB from Escherichia coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Protein-export protein secB	polymer	153	17101.1	4	UniProt (P15040) Pfam (PF02556) UniProt (by SIFTS) (P0AG86) In PDB	Escherichia coli
2		water	water		18.0	113	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	68404.4
All*	Total formula weight	68404.4

*Water molecules are not included.