background:
Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. In vitro catalyzes 'Lys-11'- and 'Lys-48'-, as well as 'Lys-63'-linked polyubiquitination. Participates in the regulation of transepithelial sodium transport in renal cells. May be involved in cell growth arrest.
Function:
Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. In vitro catalyzes 'Lys-11'- and 'Lys-48'-, as well as 'Lys-63'-linked polyubiquitination. Participates in the regulation of transepithelial sodium transport in renal cells. May be involved in cell growth arrest.
Subunit:
The ubiquitin-loaded form interacts specifically with importin-11 (IPO11), leading to its import into the nucleus (By similarity). Interacts with NEDD4L.
Subcellular Location:
Nucleus. Cytoplasm. Shuttles between the nucleus and cytoplasm in a IPO11-dependent manner.
Tissue Specificity:
Ubiquitously expressed at low levels. Highly expressed in skeletal muscle.
Similarity:
Belongs to the ubiquitin-conjugating enzyme family.
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
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