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4-Amino-3,5-dibrombenzonitril


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Artikel-Nr: (BLDPBD21367-10G)

Lieferant:  BLD PHARMATECH GMBH
Hersteller-Artikelnummer:: BD21367-10G
Lokale Artikelnummer:: BLDPBD21367-10G
Beschreibung:   3-Nitro-o-kresol 98%
VE:  1 * 10 g
Artikel-Nr: (BOSSBS-13025R-CY5)

Lieferant:  Bioss
Hersteller-Artikelnummer:: BS-13025R-CY5
Lokale Artikelnummer:: BOSSBS-13025R-CY5
Beschreibung:   Methylation at the 5'-position of cytosine is the only known naturally occurring covalent modification of the mammalian genome. DNA methylation requires the enzymatic activity of DNA 5-cytosine methyltransferase (Dnmt) proteins, which catalyze the transfer of a methyl group from S-adenosyl methionine to the 5'-position of cytosines residing in the dinucleotide CpG motif, and this methylation results in transcriptional repression of the target gene. The Dnmt enzymes are encoded by independent genes. Dnmt1 is the most abundant, and it preferentially methylates hemimethylated DNA and coordinates gene expression during development. Additional mammalian Dnmt proteins include Dnmt2 and Dnmt3. Dnmt2 lacks the large N-terminal regulator domain of Dnmt1, is expressed at substantially lower levels in adult tissues, and is likely involved in methylating newly integrated retroviral DNA. Dnmt3a and Dnmt3b are encoded by two distinct genes, but both are abundantly expressed in embryonic stem cells, where they also methylate CpG motifs on DNA.
VE:  1 * 100 µl
Lieferant:  Bioss
Hersteller-Artikelnummer:: BS-13025R-FITC
Lokale Artikelnummer:: BOSSBS-13025R-FITC
Beschreibung:   Methylation at the 5'-position of cytosine is the only known naturally occurring covalent modification of the mammalian genome. DNA methylation requires the enzymatic activity of DNA 5-cytosine methyltransferase (Dnmt) proteins, which catalyze the transfer of a methyl group from S-adenosyl methionine to the 5'-position of cytosines residing in the dinucleotide CpG motif, and this methylation results in transcriptional repression of the target gene. The Dnmt enzymes are encoded by independent genes. Dnmt1 is the most abundant, and it preferentially methylates hemimethylated DNA and coordinates gene expression during development. Additional mammalian Dnmt proteins include Dnmt2 and Dnmt3. Dnmt2 lacks the large N-terminal regulator domain of Dnmt1, is expressed at substantially lower levels in adult tissues, and is likely involved in methylating newly integrated retroviral DNA. Dnmt3a and Dnmt3b are encoded by two distinct genes, but both are abundantly expressed in embryonic stem cells, where they also methylate CpG motifs on DNA.
VE:  1 * 100 µl
Lieferant:  APOLLO SCIENTIFIC
Beschreibung:   Active component of cayenne pepper.
Lieferant:  BLD PHARMATECH GMBH
Hersteller-Artikelnummer:: BD215368-250MG
Lokale Artikelnummer:: BLDPBD215368-250MG
Beschreibung:   (2R,3R,4R,5R)-5-(6-Benzamido-9H-purin-9-yl)-2-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-methoxytetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite 97%
VE:  1 * 250 mg
Lieferant:  APOLLO SCIENTIFIC
Beschreibung:   Cyclohexylmethylketon 95%
Lieferant:  Alfa Aesar
Beschreibung:   Methylisoxazol-5-carboxylat ≥97%
Artikel-Nr: (BLDPBD139621-25G)

Lieferant:  BLD PHARMATECH GMBH
Hersteller-Artikelnummer:: BD139621-25G
Lokale Artikelnummer:: BLDPBD139621-25G
Beschreibung:   Methyltoluol-4-sulfonat 98%
VE:  1 * 25 g
Artikel-Nr: (APOSOR5739-5G)

Lieferant:  APOLLO SCIENTIFIC
Hersteller-Artikelnummer:: OR5739-5G
Lokale Artikelnummer:: APOSOR5739-5G
Beschreibung:   3-Acetylthiophen 98%
VE:  1 * 5 g

Lieferant:  Bioss
Hersteller-Artikelnummer:: BS-5915R-A750
Lokale Artikelnummer:: BOSSBS-5915R-A750
Beschreibung:   DNA methylation, or the addition of methyl groups to cytosine bases in the dinucleotide CpG, is imperative to proper development and regulates gene expression. The methylation pattern involves the enzymatic processes of methylation and demethylation. The demethylation enzyme was recently found to be a mammalian protein, which exhibits demethylase activity associated to a methyl-CpG-binding domain (MBD). The enzyme is able to revert methylated cytosine bases to cytosines within the particular dinucleotide sequence mdCpdG by catalyzing the cleaving of the methyl group as methanol. MeCP2 and MBD1 (PCM1) are first found to repress transcription by binding specifically to methylated DNA. MBD2 and MBD4 (also known as MED1) were later found to colocalise with foci of heavily methylated satellite DNA and believed to mediate the biological functions of the methylation signal. Surprisingly, MBD3 does not bind methylated DNA both <i>in vivo</i> and <i>in vitro</i>. MBD1, MBD2, MBD3, and MBD4 are found to be expressed in somatic tissues, but the expression of MBD1 and MBD2 is reduced or absent in embryonic stem cells, which are known to be deficient in MeCP1 activity. MBD4 have homology to bacterial base excision repair DNA N-glycosylases/lyases. In some microsatellite unstable tumors MBD4 is mutated at an exonic polynucleotide tract.
VE:  1 * 100 µl
Lieferant:  Thermo Scientific
Beschreibung:   1-Methylindol 98+%
Lieferant:  APOLLO SCIENTIFIC
Beschreibung:   Isovalerophenon 95%
Lieferant:  APOLLO SCIENTIFIC
Beschreibung:   Kaliummethylmalonat 98%
Lieferant:  Avantor
Beschreibung:   Pure, trusted chromatography solvents providing high selectivity, reproducibility and accuracy of results that come in a variety of grades such as HPLC, LCMS, ULTRA LCMS and PHOTREX.
Lieferant:  Thermo Scientific
Beschreibung:   Kaliummethylmalonat 98%
Lieferant:  APOLLO SCIENTIFIC
Beschreibung:   Methyltrifluorpyruvat 95%
Preis auf Anfrage
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Lager für diesen Artikel ist begrenzt, kann aber in einem Lagerhaus in Ihrer Nähe zur Verfügung. Bitte stellen Sie sicher, dass Sie in sind angemeldet auf dieser Seite, so dass verfügbare Bestand angezeigt werden können. Wenn das call noch angezeigt wird und Sie Hilfe benötigen, rufen Sie uns an 1-800-932 - 5000.
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