PSI蛋白, Solanum tuberosum (truncated, aspartic protease)

产品包装规格：

种属：             Solanum tuberosum

表达系统：      Prokaryotic expression system 

标签：              No

同用名：          No

分子量：          11.7 KDa

纯度：             Greater than 95% as determined by Tris-Bis PAGE.

储存条件：      Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 150 mM NaCl, pH7.4.

备注：             Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
                       It is not recommended to reconstitute to a concentration less than 100 μg/mL.
                       Dissolve the lyophilized protein in 20 mM PB, 150 mM NaCl, pH7.4.
                       Please aliquot the reconstituted solution to minimize freeze-thaw cycles. 

储存时间：      Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt.
                       Reconstituted protein solution can be stored at 2-8°C for 2-7 days.
                       Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.

运输：             The product is shipped at ambient temperature.

                       Upon receipt, store it immediately at the temperature listed below.

背景：          Plant AP genes, with the exception of nucellin, barley AP, and AP encoded by the cdr-1 gene from Arabidopsis, have an extra region of approximately 100 amino acids known as “plant-specific insert”(PSI). This sequence has structural similarity to the precursor of mammalian saposins, lysosomal sphingolipid-activating proteins (SAPLIPs). Plant APs are found in either heterodimeric or monomeric forms. In heterodimeric plant APs, PSI is removed by proteolysis prior to activation . PSI is not a true saposin domain; it is the exchange (swap) of the N- and C-terminal portions of the saposin like domain. Hence, PSI is called a swaposin domain. In plants, many natural defense mechanisms include cellular membrane fusion as a way to resist infection by external pathogens. The plant-specific insert (PSI) from Solanum tuberosum can help reduce certain pathogen attack via membrane fusion.

样品信息：

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