2JRI

Solution structure of the Josephin domain of Ataxin-3 in complex with ubiquitin molecule.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Ataxin-3	polymer	182	21053.8	1	UniProt (P54252) Pfam (PF02099) In PDB	Homo sapiens (human)	Machado-Joseph disease protein 1, Spinocerebellar ataxia type 3 protein
2	B, C	UBC protein	polymer	76	8576.8	2	UniProt (Q96H31) Pfam (PF00240) UniProt (by SIFTS) (P0CG48) In PDB	Homo sapiens (human)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	38207.4
All*	Total formula weight	38207.4

*Water molecules are not included.