نتایج جستجو برای: protein isoforms
تعداد نتایج: 1242693 فیلتر نتایج به سال:
The seven members of the human 14-3-3 protein family regulate a diverse range of cell signaling pathways by formation of protein-protein complexes with signaling proteins that contain phosphorylated Ser/Thr residues within specific sequence motifs. Previously, crystal structures of three 14-3-3 isoforms (zeta, sigma, and tau) have been reported, with structural data for two isoforms deposited i...
Heterochromatin protein 1 (HP1), first discovered in Drosophila melanogaster, is a highly conserved chromosomal protein implicated in both heterochromatin formation and gene silencing. We report here characterization of an HP1-interacting protein, heterochromatin protein 2 (HP2), which codistributes with HP1 in the pericentric heterochromatin. HP2 is a large protein with two major isoforms of a...
Background Environmental and cellular inappropriate conditions can cause damages to cells nucleotide poll. Deamination and oxidation damages interfere with cell�s vital reactions. Inosine triphosphate pyrophosphatase (ITPA), an evolutionary conserved enzyme, plays a critical role in elimination of non-canonical bases. In human genome, the ITPA gene is located on chromosome 20 short arm and tran...
Background: MicroRNAs are small noncoding RNAs that regulate gene expression and involve in many cellular and physiological mechanisems. Recent studies have revealed that dysregulation of microRNAs might contribute to autoimmune disorders such as multiple sclerosis. Based on these findings, we examined the potential role of miR-320 isoforms, miR-320-3p and miR-320-5p, in the context of autoimmu...
Photoisomerization of rhodopsin activates a heterotrimeric G-protein cascade leading to closure of cGMP-gated channels and hyperpolarization of photoreceptor cells. Massive translocation of the visual G-protein transducin, Gt, between subcellular compartments contributes to long term adaptation of photoreceptor cells. Ca(2+)-triggered assembly of a centrin-transducin complex in the connecting c...
The small GTPase Ras is critical for regulation of growth and differentiation during development. The mammalian protein RIN1 is a potential Ras effector protein, which can also interact with the Abelson tyrosine kinase. However, its biological function is unknown. We have identified the Drosophila homologue of RIN1, called sprint, for SH2, poly-proline containing Ras interactor. The sprint locu...
Periostin is an extracellular matrix protein. Five isoforms of human periostin cDNA have been reported, but the expression of periostin isoforms in the human thyroid tissue is by far unknown. A group of primer sets were designed to amplify the full length of cDNA sequence of periostin. Using human thyroid carcinoma and their paired non-neoplastic tissues together with anaplastic thyroid carcino...
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