產(chǎn)品編號 | bs-12707R-HRP |
英文名稱 | Rabbit Anti-cAMP-receptor protein/HRP Conjugated antibody |
中文名稱 | 辣根過氧化物酶標(biāo)記的腺苷受體蛋白抗體 |
別 名 | CRP_ECOLI; cAMP-activated global transcriptional regulator CRP; Catabolite activator protein; CAP; Catabolite gene activator; cAMP receptor protein; CRP; cAMP regulatory protein. |
規(guī)格價格 | 100ul/2980元 購買 大包裝/詢價 |
說 明 書 | 100ul |
研究領(lǐng)域 | 細(xì)胞生物 免疫學(xué) 轉(zhuǎn)錄調(diào)節(jié)因子 細(xì)胞膜受體 |
抗體來源 | Rabbit |
克隆類型 | Polyclonal |
交叉反應(yīng) | |
產(chǎn)品應(yīng)用 | WB=1:500-2000 ELISA=1:100-1000 IHC-P=1:50-200 IHC-F=1:50-200 ICC=1:50-200
not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user. |
分 子 量 | 24kDa |
性 狀 | Lyophilized or Liquid |
濃 度 | 1mg/ml |
免 疫 原 | KLH conjugated synthetic peptide derived from human cAMP-receptor protein |
亞 型 | IgG |
純化方法 | affinity purified by Protein A |
儲 存 液 | 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol. |
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. |
產(chǎn)品介紹 |
background: Escherichia coli contains more than 250 known promoters that must be activated prior to transcription. cAMP receptor protein (crp), also known as cAMP regulatory protein and catabolite gene activator, is a 210 amino acid E. coli protein that complexes with cyclic AMP and binds to specific DNA sites near the promoter, resulting in homodimeric transcription activation of more than 100 E. coli promoters. Acting as a negative regulator against its own synthesis, crp regulates transcription of several catabolite-sensitive operons. Crp activates transcription by making multiple interactions with RNA polymerase. Containing one cyclic nucleotide binding domain and one HTH crp-type DNA binding domain, crp binds DNA as a dimer to induce a severe bend in the DNA. This formation is a regulatory mechanism of crp gene expression that plays a major role in determining the molecular mechanism in gene transcription. Function: A global transcription regulator. Complexes with cyclic AMP (cAMP) which allosterically activates DNA binding (to consensus sequence 5'-AAATGTGATCTAGATCACATTT-3') to directly regulate the transcription of about 300 genes in about 200 operons and indirectly regulate the expression of about half the genome. There are 3 classes of CRP promoters; class I promoters have a single CRP-binding site upstream of the RNA polymerase (RNAP)-binding site, whereas in class II promoters the single CRP- and RNAP-binding site overlap, CRP making multiple contacts with RNAP. Class III promoters require multiple activator molecules, including at least one CRP dimer. It can act as an activator, repressor, coactivator or corepressor. Induces a severe bend in DNA (about 87 degrees), bringing upstream promoter elements into contact with RNAP. Acts as a negative regulator of its own synthesis as well as for adenylate cyclase (cyaA), which generates cAMP. High levels of active CRP are detrimental to growth (PubMed:16260780). Plays a major role in carbon catabolite repression (CCR). CCR involves cAMP, adenylate cyclase (cyaA), CRP and the EIIA-Glc component of the PTS (crr). In the presence of glucose EIIA-Glc is dephosphorylated, and does not activate adenylate cyclase, leading to reduced cAMP and thus decreased CRP activity. Also plays a role in many other processes (see PubMed:22573269). Subunit: Homodimer, which upon binding cAMP is able to bind DNA. AR1 of the upstream subunit binds to the C-terminus of RNAP subunit RpoA, AR2 of the downstream subunit binds to the N-terminus of RpoA while AR3 binds to sigma-70 (RpoD). Database links: UniProtKB/Swiss-Prot: P0ACJ8.1 Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. Contains 1 cyclic nucleotide-binding domain. Contains 1 HTH crp-type DNA-binding domain. |
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