UBE3A (original) (raw)

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Ubiquitin-protein ligase E3A (UBE3A) also known as E6AP ubiquitin-protein ligase (E6AP) is an enzyme that in humans is encoded by the UBE3A gene. This enzyme is involved in targeting proteins for degradation within cells. Protein degradation is a normal process that removes damaged or unnecessary proteins and helps maintain the normal functions of cells.Ubiquitin protein ligase E3A attaches a small marker protein called ubiquitin to proteins that should be degraded. Cellular structures called proteasomes recognize and digest proteins tagged with ubiquitin.

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dbo:abstract Ubiquitin-protein ligase E3A (UBE3A) also known as E6AP ubiquitin-protein ligase (E6AP) is an enzyme that in humans is encoded by the UBE3A gene. This enzyme is involved in targeting proteins for degradation within cells. Protein degradation is a normal process that removes damaged or unnecessary proteins and helps maintain the normal functions of cells.Ubiquitin protein ligase E3A attaches a small marker protein called ubiquitin to proteins that should be degraded. Cellular structures called proteasomes recognize and digest proteins tagged with ubiquitin. Both copies of the UBE3A gene are active in most of the body's tissues. In most neurons, however, only the copy inherited from a person's mother (the maternal copy) is normally active; this is known as paternal imprinting. Recent evidence shows that at least some glial cells and neurons may exhibit biallelic expression of UBE3A. Further work is thus needed to delineate a complete map of UBE3A imprinting in humans and model organisms such as mice. Silencing of Ube3a on the paternal allele is thought to occur through the Ube3a-ATS part of a lincRNA called "LNCAT", (Large Non-Coding Antisense Transcript). The UBE3A gene is located on the long (q) arm of chromosome 15 between positions 11 and 13, from base pair 23,133,488 to base pair 23,235,220. (en) UBE3A (англ. Ubiquitin protein ligase E3A) – білок, який кодується однойменним геном, розташованим у людей на короткому плечі 15-ї хромосоми. Довжина поліпептидного ланцюга білка становить 875 амінокислот, а молекулярна маса — 100 688. Послідовність амінокислот A: АланінC: ЦистеїнD: Аспарагінова кислотаE: Глутамінова кислотаF: ФенілаланінG: ГліцинH: ГістидинI: ІзолейцинK: ЛізинL: ЛейцинM: МетіонінN: АспарагінP: ПролінQ: ГлутамінR: АргінінS: СеринT: ТреонінV: ВалінW: Триптофан Y: Тирозин Кодований геном білок за функціями належить до трансфераз, фосфопротеїнів. Задіяний у таких біологічних процесах, як взаємодія хазяїн-вірус, біологічні ритми, убіквітинування білків, альтернативний сплайсинг. Білок має сайт для зв'язування з іонами металів, іоном цинку. Локалізований у цитоплазмі, ядрі. (uk)
dbo:wikiPageExternalLink https://www.ncbi.nlm.nih.gov/books/NBK1144/ https://repub.eur.nl/pub/58861/ioi80007-1-.pdf https://www.genecards.org/cgi-bin/carddisp%3FUBE3A https://www.ncbi.nlm.nih.gov/omim/105830,601623,105830,601623
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rdfs:comment Ubiquitin-protein ligase E3A (UBE3A) also known as E6AP ubiquitin-protein ligase (E6AP) is an enzyme that in humans is encoded by the UBE3A gene. This enzyme is involved in targeting proteins for degradation within cells. Protein degradation is a normal process that removes damaged or unnecessary proteins and helps maintain the normal functions of cells.Ubiquitin protein ligase E3A attaches a small marker protein called ubiquitin to proteins that should be degraded. Cellular structures called proteasomes recognize and digest proteins tagged with ubiquitin. (en) UBE3A (англ. Ubiquitin protein ligase E3A) – білок, який кодується однойменним геном, розташованим у людей на короткому плечі 15-ї хромосоми. Довжина поліпептидного ланцюга білка становить 875 амінокислот, а молекулярна маса — 100 688. Послідовність амінокислот A: АланінC: ЦистеїнD: Аспарагінова кислотаE: Глутамінова кислотаF: ФенілаланінG: ГліцинH: ГістидинI: ІзолейцинK: ЛізинL: ЛейцинM: МетіонінN: АспарагінP: ПролінQ: ГлутамінR: АргінінS: СеринT: ТреонінV: ВалінW: Триптофан Y: Тирозин (uk)
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