Analytical Data
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基因名
QPCT
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简介
QPCT Protein synthesizes pyroglutamyl peptides, favoring N-terminal glutaminyl residue over adjacent acidic and tryptophan residues. It catalyzes N-terminal pyroglutamate formation, particularly [Glu-3]-amyloid-beta in APP peptides. In lab settings, it aids pyroglutamate formation in truncated amyloid-beta peptides. QPCT Protein may contribute to N-terminal pyroglutamate formation in peptides linked to amyloid-related plaque development. QPCT Protein, Human (sf9, His) is the recombinant human-derived QPCT protein, expressed by Sf9 insect cells , with N-His labeled tag.
- Application
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别名
Glutaminyl-peptide cyclotransferase; QC; Glutamyl cyclase; EC
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种属
Human
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表达系统
Baculovirus
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标签
N-His
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纯度
Greater than 90% as determined by SDS-PAGE.
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蛋白编号
Q16769-1
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表达区间
A33-L361
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蛋白长度
Partial
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分子量
38 kDa
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内毒素
< 1.0 EU per μg protein as determined by the LAL method.
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性状
Freeze-dried powder
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缓冲液
PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
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复溶方法
Reconstitute in ddH2O to a concentration of 0.1-0.5 mg/mL. Do not vortex.
- 个性化定制
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稳定性测试
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37℃ for 48h, and no obvious degradation and precipitation were observed. The loss rate isless than 8% within the expiration date under appropriate storage condition.
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保存条件 & 期限
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
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运输条件
In general, recombinant proteins are supplied as lyophilized powder and shipped at ambient temperature. For bulk packages, the proteins are provided as frozen liquid and shipped with blue ice, unless otherwise requested by the customer.
Quality inspection process
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Protein Description
QPCT (Quinone-Polyamine Cation Transporter) is a protein that plays a significant role in the transport of polyamines and other cationic substances across cell membranes. Understanding QPCT is crucial due to its involvement in various physiological processes, including cell growth, differentiation, and apoptosis. Moreover, dysregulation of polyamine transport mechanisms can lead to numerous pathologies, including cancer and neurodegenerative diseases. Research on QPCT has gained momentum as scientists aim to elucidate its structure, function, and regulatory mechanisms. The exploration of QPCT's interactions with cellular substrates and its role in different tissue types has important implications for developing therapeutic strategies. Advances in recombinant protein technology have facilitated the production of QPCT in sufficient quantities to study its biochemical properties and interactions. By employing techniques such as crystallography and cryo-electron microscopy, researchers are uncovering insights into the protein's transport mechanism and potential modulation pathways. As a result, QPCT is emerging as a promising target for novel drug development aimed at addressing conditions associated with altered polyamine levels. Overall, the study of QPCT not only enhances our understanding of fundamental cellular processes but also paves the way for future innovations in medical treatments for a range of diseases.
