3ONG

Crystal structure of UBA2ufd-Ubc9: insights into E1-E2 interactions in Sumo pathways

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Ubiquitin-activating enzyme E1-like	polymer	127	14324.0	2	UniProt (P52488) In PDB	Saccharomyces cerevisiae (brewer's yeast lager beer yeast yeast)	SMT3-activating enzyme subunit 2, Polymerase-interacting protein 2
2	B, D	SUMO-conjugating enzyme UBC9	polymer	159	18080.6	2	UniProt (P50623) Pfam (PF00179) In PDB	Saccharomyces cerevisiae (brewer's yeast lager beer yeast yeast)	Ubiquitin-conjugating enzyme E2-18 kDa, Ubiquitin-protein ligase, Ubiquitin carrier protein 9
3		water	water		18.0	38	Chemie (HOH)

Sequence modifications

A, C: 439 - 563 (UniProt: P52488)

PDB	External Database	Details
Gly 437	-	expression tag
Ser 438	-	expression tag

B, D: 1 - 157 (UniProt: P50623)

PDB	External Database	Details
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	64809.2
All*	Total formula weight	64809.2

*Water molecules are not included.