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| SWAP protein domain ： ウィキペディア英語版 |
SWAP protein domain
In molecular biology, the protein domain SWAP is derived from the term Suppressor-of-White-APricot, a splicing regulator from the model organism ''Drosophila melanogaster''. The protein domain is found in regulators that control splicing. It is found in splicing regulatory proteins.
When a gene is expressed the DNA must be transcribed into messenger RNA (mRNA). However, it sometimes contains intervening or interrupting sequences named introns. mRNA splicing helps to remove these sequences, leaving a more favourable sequence. mRNA splicing is an essential event in the posttranscriptional process of gene expression. SWAP helps to control this process in all cells except gametes.
==Function==
The role of the protein domain SWAP is to control sex-independent pre-mRNA processing in somatic cells, that is, in every cell except the sex cells This includes autoregulation, whereby it regulates the splicing of its own pre-mRNA. The mammalian homologue of SWAP acts as a thyroid hormone regulated gene. This mean it is controlled by the thyroid.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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