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27401 Ensembl ENSG00000145604 ENSMUSG00000054115 UniProt Q13309 Q9Z0Z3 RefSeq (mRNA) NM_001243120 NM_005983 NM_032637 NM_001285980 NM_013787 NM_145468 RefSeq (protein) NP_001230049 NP_005974 NP_116026 NP_001272909 NP_038815 Location (UCSC) Chr 5: 36.15 – 36.2 Mb Chr 15: 9.11 – 9.16 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse S-phase kinase-associated protein 2 is an enzyme ...
Since Sic1 normally prevents premature entry into S-phase by inhibiting Cyclin B-CDK1, targeting Sic1 for degradation promotes S-phase entry. Fbw7 is known to be a haplo-insufficient tumor suppressor gene implicated in several sporadic carcinomas, for which one mutant allele is enough to disturb the wild type phenotype.
Cdh1 plays a pivotal role in controlling cell division at the end of mitosis and in the subsequent G1 phase of cell cycle: By recognizing and binding proteins (like mitotic cyclins) which contain a destruction box (D-box) and an additional degradation signal (KEN box), Cdh1 recruits them in a C-box-dependent mechanism to the APC for ubiquination and subsequent proteolysis.
DNA ligase is a type of enzyme that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.It plays a role in repairing single-strand breaks in duplex DNA in living organisms, but some forms (such as DNA ligase IV) may specifically repair double-strand breaks (i.e. a break in both complementary strands of DNA).
LIG1 encodes DNA ligase 1, which functions in DNA replication and the base excision repair process. [10] Eukaryotic DNA ligase 1 catalyzes a reaction that is chemically universal to all ligases. DNA ligase 1 utilizes adenosine triphosphate (ATP) to catalyze the energetically favorable ligation events in both DNA replication and repair.
The RING protein appears to function as a docking site for ubiquitin-conjugating enzymes (E2s). Other proteins contain a cullin-homology domain, such as CUL9 , also known as p53 cytoplasmic anchor PARC , and the ANAPC2 subunit of the anaphase-promoting complex/cyclosome; both CUL9 and ANAPC2 have ubiquitin ligase activity.
In biochemistry, a ligase is an enzyme that can catalyze the joining of two molecules by forming a new chemical bond. This is typically via hydrolysis of a small pendant chemical group on one of the molecules, typically resulting in the formation of new C-O, C-S, or C-N bonds.
As S and G2 phases of the cell cycle generate more chromatids, the increased availability of template access for HR results in the up-regulation of the pathway. [37] This rise is further increased due to the activation of CDK1 and the increase of RAD51 and RAD52 levels during G1 phase. [33] [38] Despite this, NHEJ not is inactive during the HR ...