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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 ...
Skp, Cullin, F-box containing complex (or SCF complex) is a multi-protein E3 ubiquitin ligase complex that catalyzes the ubiquitination of proteins destined for 26S proteasomal degradation. [1] Along with the anaphase-promoting complex, [2] SCF has important roles in the ubiquitination of proteins involved in the cell cycle. The SCF complex ...
M–Cdk activity promotes the events of early mitosis, resulting in the metaphase alignment of sister chromatids on the spindle. M–Cdk activity also promotes the activation of APCCdc20, which triggers anaphase and mitotic exit by stimulating the destruction of regulatory proteins, such as securin and cyclins, that govern these events.
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.
The phosphorylation of Rb by CDK4/6 and CDK2 dissociates the Rb-repressor complex and serves as an on/off switch for the cell cycle. Once Rb is phosphorylated, the inhibition is released on the E2F transcriptional activity. This allows for the transcription of S phase genes encoding for proteins that amplify the G1 to S phase switch.
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.
A driveshaft coupling. Note the split damage beginning to appear, likely due to the large axial displacement. A giubo. A giubo (/ ˈ dʒ uː b oʊ / JOO-boh; etymology: giunto Boschi, "Boschi joint"), also known as a 'flexdisc', and sometimes misspelled as guibo, is a flexible coupling used to transmit rotational torque between the drive shaft and the companion flange on mechanical devices ...
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.