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- Bioss
- bs-0836P
- 2025年10月16日
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- 详细信息
- 技术资料
- 规格：
500ug
| 产品编号 | bs-0836P |
| 英文名称 | MLH1 Antibody Blocking Peptide |
| 中文名称 | 错配修复蛋白1封闭多肽 |
| 英文别名 | mutl homolog l gene; MutL protein homolog 1; DNA mismatch repair protein Mlh1; COCA 2; COCA2; DNA mismatch repair protein Mlh1; FCC 2; FCC2; hMLH 1; hMLH1; HNPCC; HNPCC 2; HNPCC2; MGC5172; MLH 1; MutL homolog 1; MutL homolog 1 colon cancer nonpolyposis type 2; MutL protein homolog 1; MLH1_HUMAN. |
| 性状 | Lyophilized |
| 纯化方法 | HPLC |
| 研究领域 | Cancer > Oncoproteins/suppressors > Tumor suppressors Epigenetics and Nuclear Signaling > DNA / RNA > DNA Damage & Repair > Mismatch Repair |
| 亚基 | Heterodimer of MLH1 and PMS2 (MutL alpha), MLH1 and PMS1 (MutL beta) or MLH1 and MLH3 (MutL gamma). Forms a ternary complex with MutS alpha (MSH2-MSH6) or MutS beta (MSH2-MSH3). Part of the BRCA1-associated genome surveillance complex (BASC), which contains BRCA1, MSH2, MSH6, MLH1, ATM, BLM, PMS2 and the RAD50-MRE11-NBS1 protein complex. This association could be a dynamic process changing throughout the cell cycle and within subnuclear domains. Interacts with MBD4. Interacts with EXO1 and MTMR15/FAN1. |
| 亚细胞定位 | Nucleus. |
| 组织特异性 | Colon, lymphocytes, breast, lung, spleen, testis, prostate, thyroid, gall bladder and heart. |
| 相似性 | Belongs to the DNA mismatch repair mutL/hexB family. |
| 功能 | Heterodimerizes with PMS2 to form MutL alpha, a component of the post-replicative DNA mismatch repair system (MMR). DNA repair is initiated by MutS alpha (MSH2-MSH6) or MutS beta (MSH2-MSH6) binding to a dsDNA mismatch, then MutL alpha is recruited to the heteroduplex. Assembly of the MutL-MutS-heteroduplex ternary complex in presence of RFC and PCNA is sufficient to activate endonuclease activity of PMS2. It introduces single-strand breaks near the mismatch and thus generates new entry points for the exonuclease EXO1 to degrade the strand containing the mismatch. DNA methylation would prevent cleavage and therefore assure that only the newly mutated DNA strand is going to be corrected. MutL alpha (MLH1-PMS2) interacts physically with the clamp loader subunits of DNA polymerase III, suggesting that it may play a role to recruit the DNA polymerase III to the site of the MMR. Also implicated in DNA damage signaling, a process which induces cell cycle arrest and can lead to apoptosis in case of major DNA damages. Heterodimerizes with MLH3 to form MutL gamma which plays a role in meiosis. |
| 保存条件 | Shipped at 4℃. Stored at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 背景资料 | The protein encoded by this gene can heterodimerize with mismatch repair endonuclease PMS2 to form MutL alpha, part of the DNA mismatch repair system. When MutL alpha is bound by MutS beta and some accessory proteins, the PMS2 subunit of MutL alpha introduces a single-strand break near DNA mismatches, providing an entry point for exonuclease degradation. The encoded protein is also involved in DNA damage signaling and can heterodimerize with DNA mismatch repair protein MLH3 to form MutL gamma, which is involved in meiosis. This gene was identified as a locus frequently mutated in hereditary nonpolyposis colon cancer (HNPCC). [provided by RefSeq, Aug 2017] |
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MLH1 Antibody Blocking Peptide(bs-0836P)-500ug
￥880
