5GOD

Lys27-linked di-ubiquitin

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 (P0CG47) Pfam (PF00240) In PDB	Homo sapiens
2	C, D	D-ubiquitin	polymer	76	8551.7	2	Pfam (PF00240) UniProt (by SIFTS) (P62987) In PDB	Homo sapiens
3	B	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	340	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	34257.2
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	34281.5

*Water molecules are not included.