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Ribonuclease inhibitor (RI) is a large (~450 residues, ~49 kDa), acidic (pI ~4.7), leucine-rich repeat protein that forms extremely tight complexes with certain ribonucleases. It is a major cellular protein, comprising ~0.1% of all cellular protein by weight, and appears to play an important role in regulating the lifetime of RNA .
6059 24015 Ensembl ENSG00000164163 ENSMUSG00000058355 UniProt P61221 P61222 RefSeq (mRNA) NM_002940 NM_001040876 NM_015751 RefSeq (protein) NP_001035809 NP_002931 NP_056566 Location (UCSC) Chr 4: 145.1 – 145.13 Mb Chr 8: 80.41 – 80.44 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse ATP-binding cassette sub-family E member 1 (ABCE1) also known as RNase L inhibitor (RLI) is an ...
It is a potent inhibitor of ribonuclease and topoisomerase II by preventing the binding of the nucleic acid to the enzyme. It stimulates tyrosine phosphorylation processes including the Jak2/STAT5 pathway in NB2 lymphoma cells, ErbB4 in neuroblastoma cells, and MAP kinases, Shc proteins, phosphatidylinositide 3-kinase and phospholipase Cγ in ...
Ribonuclease inhibitor is an enzyme that in humans is encoded by the RNH1 gene. [5] References Further reading. This page was last edited on 4 March 2023, at 00:47 ...
Vanadyl ribonucleoside is a potent transition-state analog of ribonucleic acid and potent inhibitor of many species of ribonuclease formed from a vanadium coordination complex and one ribonucleoside. [1] Vanadium's 3d 3 4s 2 electron configuration allows it to make five sigma bonds and two pi bonds with adjacent atoms. [2]
In 1996 the company was reorganized into two separate operating divisions, Analytical Instruments and PE Applied Biosystems. The PE Applied Biosystems division accounted for half of Perkin-Elmer's total revenue, with net revenues up by 26%. [1] In 1997, revenues reached almost US$1.3 billion, of which PE Applied Biosystems was US$653 million. [13]
The inhibitor binds to and occludes the ribonuclease active site, preventing barnase from damaging the cell's RNA after it has been synthesized but before it has been secreted. The barnase/barstar complex is noted for its extraordinarily tight protein-protein binding , with an on-rate of 10 8 s −1 M −1 .
Ribonuclease L or RNase L (for latent), known sometimes as ribonuclease 4 or 2'-5' oligoadenylate synthetase-dependent ribonuclease, is an interferon (IFN)-induced ribonuclease which, upon activation, destroys all RNA within the cell (both cellular and viral) as well as inhibiting mRNA export.