1TBE

STRUCTURE OF TETRAUBIQUITIN SHOWS HOW MULTIUBIQUITIN CHAINS CAN BE FORMED

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	TETRAUBIQUITIN	polymer	76	8576.8	2	UniProt (P62988) Pfam (PF00240) UniProt (by SIFTS) (P0CG48) In PDB	Homo sapiens (human)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	17153.7
All*	Total formula weight	17153.7

*Water molecules are not included.