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T4427
Terminale Transferase aus Kalbsthymus
buffered aqueous glycerol solution
Synonym(e):
Terminale Deoxynucleotidyl-Transferase
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About This Item
Empfohlene Produkte
Qualität
Molecular Biology
for molecular biology
Form
buffered aqueous glycerol solution
Mol-Gew.
60 kDa
Konzentration
>5000 U/mL
UniProt-Hinterlegungsnummer
Fremdaktivität
Exonuclease and endonuclease, free
Lagertemp.
−20°C
Angaben zum Gen
cow ... DNTT(281120)
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Allgemeine Beschreibung
Bovine terminal transferase (TdT) is a primer-dependent polymerase that catalyzes the addition of deoxynucleotides to the 3′-OH terminus of DNA molecules with the release of inorganic phosphate. TdT reacts preferentially with either single-stranded DNA molecules or double-stranded-DNA with 3′ overhangs, but procedures have been developed to label blunt ends or 3′-recessive ends. In a reaction mixture, the divalent ion (Co2+, Mn2+, Mg2+) will influence purine and pyrimidine polymerization rate. Activities of TdT are also affected by the bases (dATP, dCTP, dGTP and dTTP) present.
Anwendung
Suitable for:
- Addition of homopolymers to vectors, inserts and cDNA for cloning
- Labeling the 3′-end of double- and single-stranded DNA with non-radioactive or radioactive labels
- Carrying out in vitro mutagenesis by adding single nucleotides to DNA
- Use in TUNEL assays
Komponenten
Terminal transferase is supplied as a solution of 50 mM potassium phosphate (pH 7.4), 1 mM 2-mercaptoethanol and 50% glycerol (v/v).
Einheitendefinition
One unit will incorporate 1 nanomole of dATP into acid-precipitable material in one hour at 37 °C using d(pT)6 as primer.
Hinweis zur Analyse
Activity assay uses 200 mM potassium cacodylate, pH 7.2, 4 mM MgCl2, 1 mM 2-mercaptoethanol, 1 mM 3H-dATP, 70 μM d(pT)6, 37 °C.
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Produkt-Nr.
Beschreibung
Preisangaben
Signalwort
Danger
H-Sätze
P-Sätze
Gefahreneinstufungen
Resp. Sens. 1
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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C P Tu et al.
Gene, 10(2), 177-183 (1980-07-01)
Cordycepin-5'-triphosphate (3'-deoxyadenosine-5'-triphosphate) can be incorporated into the 3'-ends of DNA fragments using terminal deoxynucleotidyl transferase from calf thymus (Bollum, 1974). Because cordycepin-5'-monophosphate lacks a 3'-OH group, only a single residue is incorporated. Furthermore, DNA molecules that contain cordycepin-5'-monophosphate at their
Marcel Hollenstein et al.
Bioorganic & medicinal chemistry letters, 22(13), 4428-4430 (2012-05-29)
Pyrene-deoxynucleoside triphosphates (dPTPs), varying by the positioning of the aromatic system, were synthesized. Their ability to function as substrates for the Klenow fragment of Escherichia coli DNA polymerase I and the TdT polymerase was assessed. The dPTPs are all equally
Yuan Zhang et al.
Cellular immunology, 274(1-2), 19-25 (2012-04-03)
Secondary rearrangements of the T cell receptor (TCR) represent a genetic correction mechanism which changes T cell specificity by re-activating V(D)J recombination in peripheral T cells. Murine T-cell hybridoma A1.1 was employed to investigate whether antigenic stimulation induced re-expression of
Botao Zhao et al.
Acta biochimica et biophysica Sinica, 44(2), 129-135 (2011-12-23)
MicroRNAs (miRNAs) constitute a critically important class of non-translated, small RNAs, which post-transcriptionally regulate gene expression via one of the multiple mechanisms. To profile miRNA expression, microarrays have been extensively applied to the high-throughput detection of miRNAs. Here, we described
Maniatis, T., et al.
Molecular Cloning: A Laboratory Manual, 148-148 (1989)
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