1JBB

Ubiquitin Conjugating Enzyme, Ubc13

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	ubiquitin conjugating enzyme E2-17.5 KDA	polymer	153	17490.0	2	UniProt (P52490) Pfam (PF00179) In PDB	Saccharomyces cerevisiae (baker's yeast)
2		water	water		18.0	131	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34980.0
All*	Total formula weight	34980.0

*Water molecules are not included.