Specific Activity: 100, 000 units/mg protein Unit Definition: 1 unit is defined as the amount of the enzyme that hydrolyzes 1 nmol of the RNA in 3H labeled M13 DNA/RNA hybrid to acid-soluble ribonucleotides in 20 min at 37 C.
纯度
> 95 % protein determined by SDS-PAGE (CBB staining)
1) Removal of mRNA in DNA/RNA hybrid prior to the synthesis of the second strand of cDNA. 2) Removal of poly (A) tails from mRNA after hybridization with oligo (dT) 3) Oligodeoxyribonucleotide-directed site-specific cleavage of RNA
限制
仅限研究用
状态
Liquid
浓度
50 units/L
缓冲液
50 units/ul in 20 mM Tris-HCl ( pH 7.5), 100 mM KCl, 1 mM DTT, 50 % Glycerol
储存液
Dithiothreitol (DTT)
注意事项
This product contains Dithiothreitol (DTT): a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
储存条件
-20 °C
Gubler: "Second-strand cDNA synthesis: mRNA fragments as primers." in: Methods in enzymology, Vol. 152, pp. 330-5, (1987) (PubMed).
Donis-Keller: "Site specific enzymatic cleavage of RNA." in: Nucleic acids research, Vol. 7, Issue 1, pp. 179-92, (1979) (PubMed).
Vournakis, Efstratiadis, Kafatos: "Electrophoretic patterns of deadenylylated chorion and globin mRNAs." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 72, Issue 8, pp. 2959-63, (1976) (PubMed).
BA1623 Protein, rnhA Protein, SC5H1.08c Protein, ribonuclease H Protein, ribonuclease HI Protein, Ribonuclease H Protein, rnhA Protein, SCO7284 Protein, CBU_0316 Protein, CNA03470 Protein, CNN02200 Protein, Tb10.70.2140 Protein, Tmath_1295 Protein, Deima_2376 Protein, Tresu_0232 Protein, Marky_0915 Protein, Desac_1125 Protein, Corgl_1288 Protein
背景
Ribonuclease H (RNase H) is an endoribonuclease which specifically degrades the RNA strand of an RNA/DNA hybrid, leaving the DNA strand and unhybridized RNA intact. E.coli RNase H (=RNaseHI) was over-expressed in E. coli as a recombinant protein and highly purified. MW is 17.6 kDa.