3M3J

A new crystal form of Lys48-linked diubiquitin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	Ubiquitin	polymer	76	8576.8	6	UniProt (P62990) Pfam (PF00240) UniProt (by SIFTS) (P0CH28)	Bos taurus (bovine cow domestic cattle domestic cow)
2	G (A)	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
3	H, I, J (B, C, E)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4	K, L, M, N, O... (A, B, C, D, E...)	water	water		18.0	359	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	51461.0
Non-Polymers*	Number of molecules	4
	Total formula weight	350.3
All*	Total formula weight	51811.2

*Water molecules are not included.