2KDE

NMR structure of major S5a (196-306):K48 linked diubiquitin species

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	26S proteasome non-ATPase regulatory subunit 4	polymer	111	11826.9	1	UniProt (P55036) Pfam (PF02809) In PDB	Homo sapiens (Human)	26S proteasome regulatory subunit S5A, Rpn10, Multiubiquitin chain-binding protein, Antisecretory factor 1, ASF, AF
2	B, C	Ubiquitin	polymer	76	8576.8	2	UniProt (P62972) Pfam (PF00240) In PDB	Xenopus laevis (clawed frog common platanna platanna)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	28980.5
All*	Total formula weight	28980.5

*Water molecules are not included.