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SAE1

The heterodimer acts as an E1 ligase for SUMO1, SUMO2, SUMO3, and probably SUMO4. It mediates ATP-dependent activation of SUMO proteins followed by formation of a thioester bond between a SUMO protein and a conserved active site cysteine residue on UBA2/SAE2.
Protein class

Metabolic proteins

Predicted location

Intracellular

Single cell type specificity

Cell type enhanced (Spermatocytes)

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

Heterodimer of SAE1 and UBA2/SAE2. The heterodimer corresponds to the two domains that are encoded on a single polypeptide chain in ubiquitin-activating enzyme E1. Interacts with UBE2I.

Molecular function

Ligase

More Types Infomation

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For Research Use Only. Not For Clinical Use.

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