This product is supplied in a unit size. 1 unit of any DNA = 50 µg.
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一般說明
大肠杆菌B株是k-12后研究最广泛的DNA。大肠杆菌B株和k-12的基因在IS序列元素上存在差异。菌株B具有B岛，表达o特异性侧链LPS。[1]这是未剪接的基因组DNA。
特異性
50% GC；Tm = 90.5 °C
應用
單位定義
一个酶活性单位是指在pH 7.5（1 cm光程）条件下，在1.0 ml的1 mM Tris-HCl溶液（含有1 mM NaCl和1 mM EDTA）中产生1.0的 A260 所需的酶量。
準備報告
通过阴离子交换色谱法纯化，使用含有1 mM氯化钠、1 mM EDTA和1 mM pH 7.5的 Trizma Hcl析出并以大约2单位/L的浓度冷冻干燥。每mg DNA大约20 A260个单位。 ％GC是G/C碱基对的百分比。Tm是热变性曲线中点处的温度。
分析報告
在溴化乙锭染色后通过凝胶电泳和可视化分析，具有45kB或更大的单一主条带。
其他說明
溶液中的DNA在室温下放置后将退火，因此，建议将溶液煮沸10分钟，然后在使用前在冰上冷却至少5分钟。
相關產品
產品號碼
描述
訂價
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
從最近期的版本中選擇一個：
分析證明 (COA)
Lot/Batch Number
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what is the absolute amount of DNA in this product is it 50µg?
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