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| 產地 | 進口、國產 |
| 品牌 | 上海莼試 |
| 保存條件 | Store at -20 °C |
| 貨號 | CS12358 |
| 應用范圍 | WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500 |
| CAS編號 | |
| 抗體名 | Anti-SEN1/Mortality factor 4-like protein 1 |
| 克隆性 | 是 |
| 靶點 | 詳見說明書 |
| 適應物種 | 詳見說明書 |
| 形態(tài) | 詳見說明書 |
| 宿主 | 詳見說明書 |
| 亞型 | IgG |
| 標識物 | 詳見說明書 |
| 濃度 | 1mg/1ml% |
| 免疫原 | KLH conjugated synthetic peptide derived from human Mortality factor 4-like protein 1 |
抗體的生物素化標記實驗要點：
1. 細胞衰老相關蛋白1抗體規(guī)格 如在反應混合液中有疊氮鈉或游離氨基存在,會抑制標記反應。因此,蛋白質在反應前要對 0.1mol/L碳酸氫鈉緩沖液或0.5mol/L硼酸緩沖液充分透析；
2.所用的NHSB及待生物素化蛋白質之間的分子比按蛋白質表面的ε-氨基的密度會有所不同,選擇不當則影響標記的效率,應先用幾個不同的分子比來篩選最適條件；
3.用NHSB量過量也是不利的,抗原的結合位點可能因此被封閉,導致抗體失活；
4.由于抗體的氨基不易接近可能造成生物素化不足,此時可加入去污劑如 Triton x-100, Tween20等；
5.當游離ε-氨基(賴氨酸殘基的氨基)存在于抗體的抗原結合位點時,或位于酶的催化位點時,生物素化會降低或損傷抗體蛋白的結合力或活性；
6.生物素還可能與不同的功能基團,如羰基、氨基、巰基、異咪唑基及*基,也可與糖基共價結合；
7.交聯(lián)反應后,應充分透析,否則,殘余的生物素會對生物素化抗體與親和素的結合產生競爭作用；
8.在細胞的熒光標記實驗中,中和親和素的本底低,但由于鏈霉親和素含有少量正電荷,故對某些細胞可導致高本底。
產品訂購信息：
英文名稱 Anti-SEN1/Mortality factor 4-like protein 1
中文名稱 細胞衰老相關蛋白1抗體規(guī)格
別 名 Cell senescence related gene complementation group B; Cellular senescence related protein 1; CSR; CSRB; MORF 4; MORF4; MORF4 protein; Mortality factor 4; SEN 1; SEN; Senescence (cellular) related 1; Senescence related cellular 1; Transcription factor like protein MORF4; MO4L1_HUMAN; Mortality factor 4-like protein 1; MORF-related gene 15 protein; Protein MSL3-1; Transcription factor-like protein MRG15.
濃 度 1mg/1ml
規(guī) 格 0.2ml/200μg
抗體來源 Rabbit
克隆類型 polyclonal
交叉反應 Human, Mouse, Rat, Dog, Cow, Zebrafish
產品類型 一抗
研究領域 細胞生物 細胞凋亡 轉錄調節(jié)因子 表觀遺傳學
蛋白分子量 predicted molecular weight: 27kDa
性 狀 Lyophilized or Liquid
免 疫 原 KLH conjugated synthetic peptide derived from human Mortality factor 4-like protein 1
亞 型 IgG
純化方法 affinity purified by Protein A
儲 存 液 Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4
細胞衰老相關蛋白1抗體規(guī)格 產品應用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500
（石蠟切片需做抗原修復）
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
保存條件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Important Note This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
產品介紹 Cellular senescence, the terminal nondividing state that normal cells enter following completion of their proliferative potential, is the dominant phenotype in hybrids of normal and immortal cells. Fusions of immortal human cell lines with each other have led to their assignment to one of several complementation groups. SEN1 or MORF4 is a gene on chromosome 4 that induces a senescent-like phenotype in cell lines assigned to complementation group B. It is capable of reversing the immortal phenotype of a subset of immortal cells. Overexpression of SEN1 in HeLa cells ultimately caused abnormal nuclear morphology and cell death.
Function : Component of the NuA4 histone acetyltransferase (HAT) complex which is involved in transcriptional activation of select genes principally by acetylation of nucleosomal histones H4 and H2A. This modification may both alter nucleosome - DNA interactions and promote interaction of the modified histones with other proteins which positively regulate transcription. This complex may be required for the activation of transcriptional programs associated with oncogene and proto-oncogene mediated growth induction, tumor suppressor mediated growth arrest and replicative senescence, apoptosis, and DNA repair. The NuA4 complex ATPase and helicase activities seem to be, at least in part, contributed by the association of RUVBL1 and RUVBL2 with EP400. NuA4 may also play a direct role in DNA repair when directly recruited to sites of DNA damage. Also component of the mSin3A complex which acts to repress transcription by deacetylation of nucleosomal histones. Required for homologous recombination repair (HRR) and resistance to mitomycin C (MMC). Involved in the localization of PALB2, BRCA2 and RAD51, but not BRCA1, to DNA-damage foci.
Subunit : Component of the NuA4 histone acetyltransferase complex which contains the catalytic subunit KAT5/TIP60 and the subunits EP400, TRRAP/PAF400, BRD8/SMAP, EPC1, DMAP1/DNMAP1, RUVBL1/TIP49, RUVBL2, ING3, actin, ACTL6A/BAF53A, MORF4L1/MRG15, MORF4L2/MRGX, MRGBP, YEATS4/GAS41, VPS72/YL1 and MEAF6. The NuA4 complex interacts with MYC and the adenovirus E1A protein. MORF4L1 may also participate in the formation of NuA4 related complexes which lack the KAT5/TIP60 catalytic subunit, but which include the SWI/SNF related protein SRCAP. Component of the mSin3A histone deacetylase complex, which includes SIN3A, HDAC2, ARID4B, MORF4L1, RBBP4/RbAp48, and RBBP7/RbAp46. Interacts with RB1 and KAT8. May also interact with PHF12 and one or more as yet undefined members of the TLE (transducin-like enhancer of split) family of transcriptional repressors. Interacts with the N-terminus of MRFAP1. Found in a complex composed of MORF4L1, MRFAP1 and RB1. Interacts with the entire BRCA complex, which contains BRCA1, PALB2, BRCA2 and RAD51. Interacts with PALB2.
Subcellular Location : Nucleus.
Similarity : Contains 1 MRG domain.
Database links : UniProtKB/Swiss-Prot: Q9UBU8.2
NCBI Reference Sequence: NP_006783.2
抗體的鑒定：
1）細胞衰老相關蛋白1抗體規(guī)格 抗體的效價鑒定：不管是用于診斷還是用于,制備抗體的目的都是要求較高效價。不同的抗原制備的抗體,要求的效價不一。鑒定效價的方法很多,包括有試管凝集反應,瓊脂擴散試驗,酶聯(lián)免疫吸附試驗等。常用的抗原所制備的抗體一般都有約成的鑒定效價的方法,以資比較。如制備抗抗體的效價,一般就采用瓊脂擴散試驗來鑒定。
2）抗體的特異性鑒定：抗體的特異性是指與相應抗原或近似抗原物質的識別能力。抗體的特異性高,它的識別能力就強。衡量特異性通常以交叉反應率來表示。交叉反應率可用競爭抑制試驗測定。以不同濃度抗原和近似抗原分別做競爭抑制曲線,計算各自的結合率,求出各自在IC50時的濃度,并按公式計算交叉反應率。
如果所用抗原濃度IC50濃度為pg/管,而一些近似抗原物質的IC50濃度幾乎是無窮大時,表示這一抗血清與其他抗原物質的交叉反應率近似為0,即該血清的特異性較好。
3）抗體親和力：是指抗體和抗原結合的牢固程度。親和力的高低是由抗原分子的大小,抗體分子的結合位點與抗原決定簇之間立體構型的合適度決定的。有助于維持抗原抗體復合物穩(wěn)定的分子間力有氫鍵,疏水鍵,側鏈相反電荷基因的庫侖力,范德華力和空間斥力。親和力常以親和常數(shù)K表示,K的單位是L/mol?？贵w親和力的測定對抗體的篩選,確定抗體的用途,驗證抗體的均一性等均有重要意義。
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