Reactivity | HuSpecies Glossary |
Applications | Enzyme Activity |
Format | Carrier-Free |
Details of Functionality | Recombinant Human UbcH5a/UBE2D1 is a member of the Ubiquitin-conjugating (E2) enzyme family that receives Ubiquitin from a Ubiquitin-activating (E1) enzyme and subsequently interacts with a Ubiquitin ligase (E3) to conjugate Ubiquitin to substrate proteins. Reaction conditions will need to be optimized for each specific application. We recommend an initial Recombinant Human UbcH5a/UBE2D1 concentration of 0.1-1 μM. |
Source | E. coli-derived human UbcH5a/UBE2D1 protein Met1 - Met147 |
Accession # | |
Protein/Peptide Type | Recombinant Enzymes |
Gene | UBE2D1 |
Purity | >95%, by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie® Blue stain. |
Dilutions |
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Theoretical MW | 17 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
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Publications |
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Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Supplied as a solution in HEPES, NaCl, TCEP and Glycerol. |
Purity | >95%, by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie® Blue stain. |
Ubiquitin-conjugating Enzyme H5a (UbcH5a), also known as Ubiquitin-conjugating Enzyme E2D 1 (UBE2D1), is a ubiquitously expressed protein that is related to Stimulator of Iron Transport (SFT) (1,2). Human UbcH5a/UBE2D1 has a predicted molecular weight of 17 kDa and shares 89% and 88% amino acid (aa) sequence identity with the related family members UbcH5b and UbcH5c, respectively (3). Human UbcH5a/UBE2D1 shares 100% aa sequence identity with the mouse and rat orthologs. UbcH5a/UBE2D1 has a conserved E2 catalytic core domain that contains an active site cysteine residue, and it interacts with a variety of HECT and RING finger Ubiquitin ligases (E3) to mediate the ubiquitination of specific target proteins (4). UbcH5a/UBE2D1 interacts with the E3, E6-AP, to conjugate Ubiquitin to the tumor suppressor, p53 (1). Additional protein targets of UbcH5a/UBE2D1 include c-Fos, RIP1, and HIF-1 (5,6). Pathologically, UbcH5a/UBE2D1 is implicated in protein degradation during cancer and immune responses (7).
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