Human TCN2 CHO Stable Overexpression Lysate

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Human TCN2 CHO Stable Overexpression Lysate: 製品の情報

製品の説明
This Human TCN2 overexpression lysate was created in CHO Stable Cells and intented for use as a Western blot (WB) positive control. Purification of TCN2 protein (Cat: 10566-H08S) from the overexpression lysate was verified.
発現ホスト
CHO Stable Cells
Human
タンパク質構築情報
A DNA sequence encoding the human TCN2 (NP_000346.2) (Met 1-Trp 427) was expressed with a C-terminal polyhistidine tag.
分子量
The secreted recombinant human TCN2 comprises 418 amino acids with a predicted molecular mass of 46.7 kDa. It migrates with the molecular weight of approximately 44 kDa in SDS-PAGE under reducing conditions.

Human TCN2 CHO Stable Overexpression Lysate: 用法

調製方法
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
溶解バッファー
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
おすすめの用法
1.  Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube. 2.  Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
バッファー
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
安定性 & 保存条件
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
アプリケーション
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.

Human TCN2 CHO Stable Overexpression Lysate: 別名

Human D22S676 Overexpression Lysate; Human D22S750 Overexpression Lysate; Human II Overexpression Lysate; Human TC Overexpression Lysate; Human TC-2 Overexpression Lysate; Human TC2 Overexpression Lysate; Human TCII Overexpression Lysate

TCN2 背景情報

Transcobalamin II, also known as TCN2 and TC II, is a plasma protein that binds cobalamin (Cbl; vitamin B12) as it is absorbed in the terminal ileum and distributes to tissues. The circulating transcobalamin II-cobalamin complex binds to receptors on the plasma membrane of tissue cells and is then internalized by receptor-mediated endocytosis. Transcobalamin II is a non-glycolated secretory protein of molecular mass 43 kDa. Its plasma membrane receptor (TC II-R) is a heavily glycosylated protein with a monomeric molecular mass of 62 kDa. Human TCN2 gene is composed of nine exons and eight introns spanning approximately 2 kb with multiple potential transcription start sites. A number of genetic abnormalities are characterized either by a failure to express TCN2 or by synthesis of an abnormal protein. The TCN2 deficiency results in cellular cobalamin deficiency, an early onset of megaloblastic anaemia, and neurological abnormalities.
完全な名称
transcobalamin II
参考文献
  • Rothenberg, S. P. et al., 1995, Baillieres Clin Haematol. 8 (3):499-514.
  • Bibi, H. et al., 1999, J Inherit Metab Dis. 22 (7):765-772.
  • Seetharam,B. et al.,2000, Vitam Horm. 59 :337-366. 
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