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- Table of Contents
Facts about E3 ISG15--protein ligase HERC5.
Catalyzes ISGylation of IRF3 which leads to sustained activation, it attenuates IRF3-PIN1 interaction, which antagonizes IRF3 ubiquitination and degradation, and boosts the antiviral response. Catalyzes ISGylation of influenza A viral NS1 that attenuates virulence; ISGylated NS1 fails to form homodimers and thus to interact with its RNA targets.
| Human | |
|---|---|
| Gene Name: | HERC5 |
| Uniprot: | Q9UII4 |
| Entrez: | 51191 |

| Belongs to: |
|---|
| No superfamily |

CEB1E3 ISG15--protein ligase HERC5; CEBP1; cyclin-E binding protein 1; Cyclin-E-binding protein 1; EC 6.3.2; EC 6.3.2.-; HECT domain and RCC1-like domain-containing protein 5; hect domain and RLD 5; HECT E3 ubiquitin ligase; probable E3 ubiquitin-protein ligase HERC5
Mass (kDA):
116.852 kDA

| Human | |
|---|---|
| Location: | 4q22.1 |
| Sequence: | 4; NC_000004.12 (88456604..88506170) |
Expressed in testis and to a lesser degree in brain, ovary and placenta. Found in most tissues at low levels.
Cytoplasm, perinuclear region. Associated with the polyribosomes, probably via the 60S subunit.





PMID: 10581175 by Mitsui K., et al. A novel human gene encoding HECT domain and RCC1-like repeats interacts with cyclins and is potentially regulated by the tumor suppressor proteins.
PMID: 15331633 by Kroismayr R., et al. HERC5, a HECT E3 ubiquitin ligase tightly regulated in LPS activated endothelial cells.