2O25

Ubiquitin-Conjugating Enzyme E2-25 kDa Complexed With SUMO-1-Conjugating Enzyme UBC9

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-conjugating enzyme E2-25 kDa	polymer	202	22574.7	2	UniProt (P61086) Pfam (PF00179) Pfam (PF00627) In PDB	Homo sapiens (human)	Ubiquitin-protein ligase, Ubiquitin carrier protein, E225K, Huntingtin-interacting protein 2, HIP-2
2	C, D	SUMO-1-conjugating enzyme UBC9	polymer	160	18174.9	2	UniProt (P63279) Pfam (PF00179) In PDB	Homo sapiens (human)	SUMO-1-protein ligase, Ubiquitin-conjugating enzyme E2 I, Ubiquitin-protein ligase I, Ubiquitin carrier protein I, Ubiquitin carrier protein 9, p18
3		water	water		18.0	39	Chemie (HOH)

Sequence modifications

A, B: 1 - 200 (UniProt: P61086)

PDB	External Database	Details
Gly -1	-	cloning artifact
Ser 0	-	cloning artifact

C, D: 1 - 158 (UniProt: P63279)

PDB	External Database	Details
Gly -1	-	cloning artifact
Ser 0	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	81499.3
All*	Total formula weight	81499.3

*Water molecules are not included.