| Description | This family includes ribosomal RNA large subunit methyltransferase F (RlmF), and related proteins, including methyltransferase-like protein 16 (METTL16). METTL16 is a conserved RNA methyltransferase which interacts specifically with the MALAT1 triple helix. METTL16 shows nuclear localisation [ ]. Another functional study indicates that METTL16 regulates expression of human MAT2A, which encodes the SAM synthetase expressed in most cells. Furthermore, results indicate that METTL16 is the long-unknown methyltransferase for the U6 spliceosomal small nuclear RNA (snRNA) and it has evolved an additional function in vertebrates to control SAM homeostasis by post-transcriptionally regulating SAM synthetase gene expression [].RlmF methylates the adenine in position 1618 of 23S rRNA [ ]. This family also includes psilocybin synthase (PsiM), which is a methyltransferase involved in the biosynthesis of the psychotropic agent psilocybin from the mushroom Psilocybe cubensis []. | Name | METTL16/RlmF family |
| Short Name | METTL16/RlmF | Type | Family |
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