pLenti-CCR5-sgRNA (CCR5基因敲除质粒)是一种在动物细胞中可以同时表达Cas9、目的基因的sgRNA和puromycin抗性基因的质粒。用于在动物细胞中直接基于CRISPR/Cas9技术敲除目的基因，或者通过包装慢病毒后基于CRISPR/Cas9技术敲除目的基因。本质粒中sgRNA的有效性已经通过T7EI法的验证。
本质粒在细菌中为Amp抗性，全长约13,000bp。本质粒的关键图谱信息请参考图1。本质粒可直接转染细胞用于目的基因的CRISPR/Cas9敲除，以及通过puromycin筛选稳定细胞株；也可以与pMDLg、Rev及VSV-g共转HEK293T细胞进行重组慢病毒(lentivirus)的包装，然后再用于感染细胞或组织并进行目的基因的CRISPR/Cas9敲除。
图1. 表达sgRNA、Cas9和puromycin抗性的pLenti-sgRNA质粒关键图谱信息。
本质粒中的sgRNA基于碧云天研发的CRISPR/Cas9 sgRNA快速筛选和验证体系获得，sgRNA的有效性已经通过T7EI法验证。
本质粒用于实验时，建议同时选购无任何靶向的对照质粒pLenti-Control-sgRNA (L00011)或靶向GFP的对照质粒pLenti-GFP-sgRNA (L00013)。
碧云天同时提供基于CRISPR/Cas9技术的CCR5基因敲除的质粒(L25230 pLenti-CCR5-sgRNA)、慢病毒(L25231 CCR5 Knockout Lentivirus)、HEK293T细胞(L25232 CCR5 Knockout HEK293T Cells)、HEK293T敲除细胞的RIPA裂解液(L25233 CCR5 Knockout HEK293T RIPA Lysate)、HEK293T敲除细胞的Trizol裂解液(L25234 CCR5 Knockout HEK293T Trizol Lysate)等产品，具体请在碧云天网站查询或在本产品网页点击相应产品。
CCR5基因的基本信息如下：
| Species | Gene Symbol | Gene ID | GenBank Accession | Transcript |
| Human | CCR5 | 1234 | BC038398 | NM_000579 |
| About the gene | |
| Official Symbol | CCR5 |
| Previous Symbol | CMKBR5 |
| Official Full Name | C-C motif chemokine receptor 5 (gene/pseudogene) |
| Synonyms | CKR-5; CC-CKR-5; CKR5; CD195; IDDM22 |
| Location | 3p21.31 |
| Gene Type | protein_coding |
| Uniprot ID | P51681 |
| Pathway/Library | others |
| Gene Summary | This gene encodes a member of the beta chemokine receptor family, which is predicted to be a seven transmembrane protein similar to G protein-coupled receptors. This protein is expressed by T cells and macrophages, and is known to be an important co-receptor for macrophage-tropic virus, including HIV, to enter host cells. Defective alleles of this gene have been associated with the HIV infection resistance. The ligands of this receptor include monocyte chemoattractant protein 2 (MCP-2), macrophage inflammatory protein 1 alpha (MIP-1 alpha), macrophage inflammatory protein 1 beta (MIP-1 beta) and regulated on activation normal T expressed and secreted protein (RANTES). Expression of this gene was also detected in a promyeloblastic cell line, suggesting that this protein may play a role in granulocyte lineage proliferation and differentiation. This gene is located at the chemokine receptor gene cluster region. An allelic polymorphism in this gene results in both functional and non-functional alleles; the reference genome represents the functional allele. Two transcript variants encoding the same protein have been found for this gene. |
| 产品编号 | 产品名称 | 包装 |
| L25230 | pLenti-CCR5-sgRNA | 5µg |
| — | 说明书 | 1份 |
-20℃保存，至少两年有效。
注意事项：碧云天拥有sgRNA序列的知识产权，如果需要sgRNA序列，请在订购后发送邮件向info@beyotime.com索取。sgRNA与质粒及其序列信息，未经碧云天书面许可不得用于任何商业用途，也不得移交给订货人所在实验室外的任何个人或单位。使用者在发表研究论文或结果时，应注明来源。
慢病毒包装使用的包装质粒，可以订购碧云天的Lentivirus Packaging Vectors Set A (L00002)，包括pMDLg、Rev和VSV-g。
对于非目录产品的CRISPR基因敲除用的sgRNA表达质粒的定制，可联系碧云天技术服务service@beyotime.com。
本产品仅限于专业人员的科学研究用，不得用于临床诊断或治疗，不得用于食品或药品，不得存放于普通住宅内。
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