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重組細胞
expressed in E. coli
等級
for molecular biology
形狀
buffered aqueous solution
分子量
98.8 kDa
濃度
10,000-50,000 U/mL
UniProt登錄號
異物活動
DNase and RNase, none detected
儲存溫度
−20°C
基因資訊
bacteriophage T7 ... T7p07(1261050)
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一般說明
T7 RNA polymerase is highly specific for the bacteriophage T7 promoter and terminator sequences. It is extensively used to prepare RNA transcripts for stuctural and metabolic studies. The RNA transcripts can be converted to probes for sensitive hybridization detection studies. T7 polymerase and dideoxynucleotides can be used to directly sequence DNA.
成分
T7 RNA Polymerase is supplied as a solution of 100 mM NaCl, 50 mM Tris-HCl (pH 7.9), 0.1 mM EDTA, 0.1% Triton X-100, 1 mM DTT, and 50% (v/v) glycerol.
單位定義
One unit will catalyze the incorporation of 1 nmol of rNTP into acid-precipitable material in 60 min at 37°C.
分析報告
Activity assay: 40 mM Tris-HCl, pH 7.9, 6 mM MgCl2, 4 mM spermidine, 10 mM DTT, 0.5 μM each rNTP + 10 μCi α-32P-UTP, 3-10 units of enzyme, and 1 μg of a 350 bp template are incubated for 10 min at 37°C in a total volume of 100 μl. Typical results are ≥50% incorporation of labeled nucleotide into ≥90% full-length transcript.
相關產品
產品號碼
描述
訂價
儲存類別代碼
10 - Combustible liquids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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The Journal of biological chemistry, 248(6), 2235-2244 (1973-03-25)
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Biochemistry, 24(21), 5716-5723 (1985-10-08)
RNA synthesis by T7 RNA polymerase or SP6 RNA polymerase is 100-1000 times more sensitive to the presence of the 3'-deoxyribonucleoside 5'-triphosphate chain terminators than is RNA synthesis by Escherichia coli RNA polymerase or Q beta replicase. These ribonucleotide analogues
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Transcription factor DksA contains a four-Cys Zn(2 +)-finger motif thought to be responsible for structural integrity and the relative disposition of its domains. Pseudomonas aeruginosa encodes an additional DksA paralog (DksA2) that is expressed selectively under Zn(2+) limitation. Although DksA2
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