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- 2025年10月15日
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50T
| 产品编号 | IHC0492R |
| 英文名称 | Rat METTL3 Ready-To-Use IHC Kit |
| 中文名称 | 大鼠甲基转移酶样蛋白3即用型免疫组化试剂盒 |
| 英文别名 | 2310024F18Rik; IME4; M6A; METTL3; MT-A70; MTA70; Spo8; hMETTL3 |
| 产品应用 | IHC-P Not yet tested in other applications. |
| 交叉反应 | Rat |
| 亚基 | Heterodimer; heterodimerizes with METTL14 to form an antiparallel heterodimer that constitutes an active methyltransferase (PubMed:27281194, PubMed:27373337, PubMed:27627798). Component of the WMM complex, a N6-methyltransferase complex composed of a catalytic subcomplex, named MAC, and of an associated subcomplex, named MACOM (PubMed:24407421, PubMed:24981863, PubMed:27602518, PubMed:29348140, PubMed:29506078, PubMed:29507755). The MAC subcomplex is composed of METTL3 and METTL14 (PubMed:24407421, PubMed:24981863, PubMed:27602518, PubMed:29507755). The MACOM subcomplex is composed of WTAP, ZC3H13, CBLL1/HAKAI, VIRMA, and, in some cases of RBM15 (RBM15 or RBM15B) (PubMed:27602518, PubMed:29507755). Interacts with NCBP1/CBP80 (PubMed:27117702). Interacts with EIF4E (PubMed:27117702). Interacts with EIF3B (PubMed:27117702). |
| 亚细胞定位 | #Cytoplasm #Nucleus |
| 组织特异性 | Widely expressed at low level. Expressed in spleen, thymus, prostate, testis, ovary, small intestine, colon and peripheral blood leukocytes. |
| 翻译后修饰 | Sumoylation inhibits the N6-adenosine-methyltransferase activity. Sumoylation does not affect subcellular location or interaction with METTL14. Desumoylated by SENP1. |
| 相似性 | Belongs to the MT-A70-like family. |
| 功能 | The METTL3-METTL14 heterodimer forms a N6-methyltransferase complex that methylates adenosine residues at the N6 position of some RNAs and regulates various processes such as the circadian clock, differentiation of embryonic and hematopoietic stem cells, cortical neurogenesis, response to DNA damage, differentiation of T-cells and primary miRNA processing (PubMed:22575960, PubMed:24284625, PubMed:25719671, PubMed:25799998, PubMed:26321680, PubMed:26593424, PubMed:27281194, PubMed:27373337, PubMed:27627798, PubMed:28297716, PubMed:29348140, PubMed:29506078, PubMed:30428350, PubMed:9409616). In the heterodimer formed with METTL14, METTL3 constitutes the catalytic core (PubMed:27281194, PubMed:27373337, PubMed:27627798). N6-methyladenosine (m6A), which takes place at the 5'-[AG]GAC-3' consensus sites of some mRNAs, plays a role in mRNA stability, processing, translation efficiency and editing (PubMed:22575960, PubMed:24284625, PubMed:25719671, PubMed:25799998, PubMed:26321680, PubMed:26593424, PubMed:28297716, PubMed:9409616). M6A acts as a key regulator of mRNA stability: methylation is completed upon the release of mRNA into the nucleoplasm and promotes mRNA destabilization and degradation (PubMed:28637692). In embryonic stem cells (ESCs), m6A methylation of mRNAs encoding key naive pluripotency-promoting transcripts results in transcript destabilization, promoting differentiation of ESCs (By similarity). M6A regulates the length of the circadian clock: acts as an early pace-setter in the circadian loop by putting mRNA production on a fast-track for facilitating nuclear processing, thereby providing an early point of control in setting the dynamics of the feedback loop (By similarity). M6A also regulates circadian regulation of hepatic lipid metabolism (PubMed:30428350). M6A regulates spermatogonial differentiation and meiosis and is essential for male fertility and spermatogenesis (By similarity). Also required for oogenesis (By similarity). Involved in the response to DNA damage: in response to ultraviolet irradiation, METTL3 rapidly catalyzes the formation of m6A on poly(A) transcripts at DNA damage sites, leading to the recruitment of POLK to DNA damage sites (PubMed:28297716). M6A is also required for T-cell homeostasis and differentiation: m6A methylation of transcripts of SOCS family members (SOCS1, SOCS3 and CISH) in naive T-cells promotes mRNA destabilization and degradation, promoting T-cell differentiation (By similarity). Inhibits the type I interferon response by mediating m6A methylation of IFNB (PubMed:30559377). M6A also takes place in other RNA molecules, such as primary miRNA (pri-miRNAs) (PubMed:25799998). Mediates m6A methylation of Xist RNA, thereby participating in random X inactivation: m6A methylation of Xist leads to target YTHDC1 reader on Xist and promote transcription repression activity of Xist (PubMed:27602518). M6A also regulates cortical neurogenesis: m6A methylation of transcripts related to transcription factors, neural stem cells, the cell cycle and neuronal differentiation during brain development promotes their destabilization and decay, promoting differentiation of radial glial cells (By similarity). METTL3 mediates methylation of pri-miRNAs, marking them for recognition and processing by DGCR8 (PubMed:25799998). Acts as a positive regulator of mRNA translation independently of the methyltransferase activity: promotes translation by interacting with the translation initiation machinery in the cytoplasm (PubMed:27117702). Its overexpression in a number of cancer cells suggests that it may participate in cancer cell proliferation by promoting mRNA translation (PubMed:27117702). During human coronavirus SARS-CoV-2 infection, adds m6A modifications in SARS-CoV-2 RNA leading to decreased RIGI binding and subsequently dampening the sensing and activation of innate immune responses (PubMed:33961823). |
| 保存条件 | Please store components at the temperatures indicated on the individual tube labels. The kit is stable for 6 months from the date of receipt. |
| 背景资料 | METTL3 is the 70 kDa subunit of MT-A which is part of N6-adenosine-methyltransferase. This enzyme is involved in the posttranscriptional methylation of internal adenosine residues in eukaryotic mRNAs, forming N6-methyladenosine. |
| 应用 | 推荐稀释比例 |
Immunohistochemical analysis of paraffin embedded rat brain tissue slide using IHC0492R (Rat METTL3 IHC Kit).
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Rat METTL3 Ready-To-Use IHC Kit(IHC0492R)-50T
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