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COPS5
The protein encoded by this gene is one of the eight subunits of COP9 signalosome, a highly conserved protein complex that functions as an important regulator in multiple signaling pathways. The structure and function of COP9 signalosome is similar to that of the 19S regulatory particle of 26S proteasome. COP9 signalosome has been shown to interact with SCF-type E3 ubiquitin ligases and act as a positive regulator of E3 ubiquitin ligases. This protein is reported to be involved in the degradation of cyclin-dependent kinase inhibitor CDKN1B/p27Kip1. It is also known to be an coactivator that increases the specificity of JUN/AP1 transcription factors.
Protein class
Enzymes
Predicted location
Intracellular
Single cell type specificity
Cell type enhanced (Late spermatids, Early spermatids)
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Component of the CSN complex, composed of COPS1/GPS1, COPS2, COPS3, COPS4, COPS5, COPS6, COPS7 (COPS7A or COPS7B), COPS8 and COPS9 isoform 1 (PubMed:26456823). In the complex, it probably interacts directly with COPS1, COPS2, COPS4, COPS6 and COPS7 (COPS7A or COPS7B) and COPS9 isoform 1 (PubMed:26456823). Interacts with COPS9 isoform 2 (PubMed:23776465). The CSN complex interacts with the BRISC complex. Also exists as monomeric form. Interacts with TP53, MIF, JUN, UCHL1, NCOA1, HIF1A, CDKN1B, BCL3, GFER, PGR, LHCGR, SMAD4, SMAD7, ID1, ID3, ITGB2 and TOP2A. Part of a complex consisting of RANBP9, Ran, DYRK1B and COPS5. Interacts with IFIT3. Interacts with BRSK2. Interacts with ZDHHC16 (PubMed:17123647). Interacts with MINDY3 (PubMed:21499297). Interacts with FANK1; regulates the phosphorylation of JUN and the transcriptional activity of AP-1 (PubMed:20978819). Interacts with NUPR1; this interaction allows COPS5-dependent CDKN1B nuclear to cytoplasm translocation (PubMed:16300740).
Molecular function
Hydrolase, Metalloprotease, Protease
More Types Infomation
- Rabbit Anti-COPS5 Recombinant Antibody (clone JB34-96) (MRO-0877-CN)
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- Species Reactivity: Human, Mouse, Rat
- Type: Rabbit IgG
- Application: WB, IF, IHC, IP
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- Derivation: Mouse
- Species Reactivity: Human
- Type: Mouse IgG2b
- Application: WB, IF, IHC, IP
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- Derivation: Phage display library
- Species Reactivity: Human
- Type: Rabbit IgG
- Application: WB, IHC, ICC, IP
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- Species Reactivity: Human
- Application: WB, IP, IHC-P
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For Research Use Only. Not For Clinical Use.