(U830) Корець
U83 may refer to: * , various vessels * , a sloop of the Royal Indian Navy * Small nucleolar RNA SNORD83 * U83, a line of the Düsseldorf Stadtbahn __NOTOC__ The Düsseldorf Stadtbahn () is a ''Stadtbahn'' ("city train", i.e. urban light rail system) serving Düsseldorf and surrounding areas in the Rhine-Ruhr metropolitan region of the Germany, German state of North Rhine-Westphalia. Togeth ...

Small Nucleolar RNA SNORD83
In molecular biology, Small nucleolar RNA SNORD83 (also known as U83 and U84) is a non-coding RNA (ncRNA) molecule which functions in the modification of other small nuclear RNAs (snRNAs). This type of modifying RNA is usually located in the nucleolus of the eukaryotic cell which is a major site of snRNA biogenesis. It is known as a small nucleolar RNA (snoRNA) and also often referred to as a guide RNA. snoRNA SNORD83 belongs to the C/D box class of snoRNAs which contain the conserved sequence motifs known as the C box (UGAUGA) and the D box (CUGA). Most of the members of the box C/D family function in directing site-specific 2'-O-methylation Methylation, in the chemistry, chemical sciences, is the addition of a methyl group on a substrate (chemistry), substrate, or the substitution of an atom (or group) by a methyl group. Methylation is a form of alkylation, with a methyl group replac ... of substrate RNAs. snoRNA SNORD83 are spliced from introns 5 and 4 of the BAT1 gene in mamm ...
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