Protein Name:
COP9 signalosome complex subunit 3
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UniprotKB/SwissProt ID: Q9UNS2 (Q9UNS2)
Gene Name:
COPS3
Organism: Homo sapiens (Human)
Function: Component of the COP9 signalosome complex (CSN), a complex involved in various cellular and developmental processes. The CSN complex is an essential regulator of the ubiquitin (Ubl) conjugation pathway by mediating the deneddylation of the cullin subunits of SCF-type E3 ligase complexes, leading to decrease the Ubl ligase activity of SCF-type complexes such as SCF, CSA or DDB2. The complex is also involved in phosphorylation of p53/TP53, c-jun/JUN, IkappaBalpha/NFKBIA, ITPK1 and IRF8/ICSBP, possibly via its association with CK2 and PKD kinases. CSN-dependent phosphorylation of TP53 and JUN promotes and protects degradation by the Ubl system, respectively
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm. Nucleus
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of Q9UNS2
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
104 |
RYATDTFAGL C HQLTNALVER |
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| 2 |
298 |
RDNNMGLVKQ C LSSLYKKNIQ |
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| 3 |
383 |
LHNIDQEMLK C IELDERLKAM |
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