3NS8

Crystal structure of an open conformation of Lys48-linked diubiquitin at pH 7.5

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	polymer	76	8576.8	2	UniProt (P62988) Pfam (PF00240) UniProt (by SIFTS) (P0CG48) In PDB	Homo sapiens (human)
2	A, B	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
3	B	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	1	Chemie (EPE)
4		water	water		18.0	120	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	17153.7
Non-Polymers*	Number of molecules	3
	Total formula weight	422.5
All*	Total formula weight	17576.2

*Water molecules are not included.