อาร์เนส เอ

ผลิตภัณฑ์นี้จะต้องบรรจุด้วยถุงน้ำแข็งและจัดส่งผ่าน FedEx หรือ UPS.
It will arrive within 7–10 days. ค่าจัดส่งรวมอยู่ในราคาสินค้าแล้ว.

การแนะนำ

Characteristics of RNase A:

1. Enzyme Type:
   • RNase A is an endoribonuclease that specifically degrades single-stranded RNA.
2. Specificity:
   • It specifically cleaves RNA at cytosine (ค) and uracil (ยู) residues.
3. Action Mechanism:
   • The enzyme cleaves the phosphodiester bonds between the 5′-ribose of a nucleotide and the phosphate group attached to the 3′-ribose of an adjacent pyrimidine nucleotide.
   • This action initially forms a 2′,3′-cyclic phosphate, which is subsequently hydrolyzed to a 3′-nucleoside phosphate.
4. Structure:
   • RNase A is a single-chain polypeptide that includes 4 disulfide bridges, contributing to its stability.
5. Optimal Activity:
   • The highest enzymatic activity of RNase A is observed when acting on single-stranded RNA.

Applications of RNase A:

Primary Use:

• • RNase A is extensively used to remove RNA from preparations of พลาสมิดดีเอ็นเอ, ensuring that the DNA samples are free of RNA contamination.

Activity Across Different Conditions:

Salt Concentration Influence:

• • At low salt concentrations (0 ถึง 100 mM NaCl), RNase A can cleave both single-stranded and double-stranded RNA, and the RNA strand in RNA-DNA hybrids.
  • At higher salt concentrations (0.3 M NaCl or more), its activity becomes specific to single-stranded RNA.

รายละเอียด

ข้อมูลจำเพาะ

ข้อดี

• High activity, >50 U/mg
• High cost performance
• มีความบริสุทธิ์สูง, low impurity protein pollution
• No residual Dnase or trace Dnase

ข้อมูลการสั่งซื้อ

การจัดเก็บและความเสถียร

Magen recommends storage at -20-8 องศาเซลเซียส. When stored at 2-8 องศาเซลเซียส, the product retains activity for at least 2 ปี.