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SARS-CoV-2 Spike 抗体 (AA 671-688)

This 豚鼠 多克隆 anti-SARS-CoV-2 Spike antibody specifically detects SARS-CoV-2 Spike in WB 和 IHC. The antibody is reactive with SARS Coronavirus-2 (SARS-CoV-2) samples.
产品编号 ABIN7595334
发货至: 中国
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Quick Overview for SARS-CoV-2 Spike 抗体 (AA 671-688) (ABIN7595334)

抗原

See all SARS-CoV-2 Spike (SARS-CoV-2 S) 抗体
SARS-CoV-2 Spike (SARS-CoV-2 S)

适用

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SARS Coronavirus-2 (SARS-CoV-2)

宿主

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豚鼠

克隆类型

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多克隆

标记

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This SARS-CoV-2 Spike antibody is un-conjugated

应用范围

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Western Blotting (WB), Immunohistochemistry (IHC)
  • 抗原表位

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    AA 671-688

    原理

    Guinea pig antibody to SARS-Cov-2 spike polybasic region (671-688)

    特异性

    Specific for SARS-Cov-2 spike glycoprotein polybasic region

    交叉反应

    SARS Coronavirus-2 (SARS-CoV-2)

    纯化方法

    Whole serum

    免疫原

    Synthetic peptide "ASYQTQTNSPRRARSVA" aa 671-688 of SARS spike glycoprotein polybasic region conjugated to blue carrier protein was used as the antigen.
  • 应用备注

    IHC WB. A dilution of 1: 1000 is recommended. The optimal dilution should be determined by the end user. Not yet tested in other applications.

    限制

    仅限研究用
  • 状态

    Lyophilized

    溶解方式

    Reconstitute in 100 µL of sterile water. Centrifuge to remove any insoluble material.

    储存条件

    4 °C,-20 °C

    储存方法

    Maintain the lyophilised/reconstituted antibodies frozen at -20°C for long term storage and refrigerated at 2-8C for a shorter term. When reconstituting glycerol (1:1) may be added for an additional stability. Avoid freeze and thaw cycles.

    有效期

    12 months
  • 抗原

    SARS-CoV-2 Spike (SARS-CoV-2 S)

    别名

    SARS-Cov-2 spike

    物质类

    Viral Protein

    背景

    Function: Spike protein S1:attaches the virion to the cell membrane by interacting with host receptor initiating the infection. Binding to human ACE2 receptor and internalization of the virus into the endosomes of the host cell induces conformational changes in the Spike glycoprotein. The stalk domain of S contains three hinges giving the head unexpected orientational freedom. Uses human TMPRSS2 for priming in human lung cells which is an essential step for viral entry. Can be alternatively processed by host furin. Proteolysis by cathepsin CTSL may unmask the fusion peptide of S2 and activate membranes fusion within endosomes. Spike protein S2: mediates fusion of the virion and cellular membranes by acting as a class I viral fusion protein. Under the current model the protein has at least three conformational states: pre-fusion native state pre-hairpin intermediate state and post-fusion hairpin state. During viral and target cell membrane fusion the coiled coil regions (heptad repeats) assume a trimer-of-hairpins structure positioning the fusion peptide in close proximity to the C-terminal region of the ectodomain. The formation of this structure appears to drive apposition and subsequent fusion of viral and target cell membranes. Spike protein S2': Acts as a viral fusion peptide which is unmasked following S2 cleavage occurring upon virus endocytosis. Spike glycoprotein: May down-regulate host tetherin (BST2) by lysosomal degradation thereby counteracting its antiviral activity.
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