Human PS20 Protein N-His Tag | Syd Labs BP004502
(悉得）Syd Labs 货号：BP004502 Human PS20 Protein with the N-His Tag (人 PS20 蛋白 N-His 标签) is expressed from E.coli with His tag at the N-Terminus.It contains Lys32-Gln220.
产品参数
| 货号 | BP004502 |
|---|---|
| 产品名称 | Human PS20 Protein N-His Tag | Syd Labs BP004502 |
| 供货商名称 | Syd Labs, Inc. |
| 品牌名 | Syd Labs |
| 别称 | Ps20; Wfdc1 |
| 物种 | Human |
| 来源 | The recombinant Human PS20 Protein, (amino acids Lys32-Gln220) fused with a His tag at the N-terminus, was produced in E.coli cells. |
| 产品标签 | N-His |
| 生物素化 | no |
| 确定序列 | Lys32-Gln220 |
| 分子量 | The recombinant Human PS20 protein with the His tag at the N-terminus has a predicted MW of 22 kDa. The protein migrates to 25-30 kDa based on Tris-Bis PAGE result. |
| Form | Liquid |
| 形式 | Lyophilized from 0.22 um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
| 制剂 | It is recommended to reconstitute the lyophilized recombinant Human PS20 Protein in sterile H2O to a protein concentration not less than 100 ug/ml. Centrifuge the tube before opening. |
| 纯度 | >95% by SEC-HPLC and SDS-PAGE under reducing conditions. |
| 内毒素 | Less than 1 EU per ug of protein as determined by LAL method. |
| 运输 | The recombinant Human PS20 Protein is shipped with ice pack. Upon receipt, store it immediately at the temperature recommended below. |
| 稳定性与储存 | Valid for 12 months from date of receipt when stored at -80°C.； Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles. |
| 注意事项 | Conditions of optimal recombinant Human PS20 Protein performance should be determined experimentally by the investigator. |
| 产品咨询 | Syd Labs在国内只通过代理商销售其产品，不做直销。终端用户咨询价格请联系Syd Labs中国代理商。 关于Syd Labs产品如果有任何技术或其它问题，欢迎随时联系Syd Labs国内市场推广合作伙伴：武汉多找找科技有限公司，企业微信：duozhaozhao2024 联系电话：18162581039（龙经理） |
文献
BP004502: Human PS20 Protein with the N-His Tag (人 PS20 蛋白 N-His 标签)
The whey acidic protein family member, WFDC1/ps20 is a permissivity factor in HIV infection. Herein we describe a contrasting role for ps20 in limiting MHV-1 infection. Intranasal MHV-1 infection produces a respiratory infection in mice. Using ps20 knockout mice we provide evidence that intranasal MHV-1 infection results in increased lung viral titers in ps20(-/-) compared to ps20(/) mice. Roles for ps20 in regulating expression of neutrophil-specific chemotactic factors, thereby potentially modulating neutrophil migration, and in modulating neutrophil susceptibility to MHV-1 infection.
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