StrepCaptureXP Magnetic Beads

GenScript StrepCaptureXP Magnetic Beads (Cat. No. L01075) is designed for the high-throughput, efficient and automated purification of Strep-tag® II and Twin-strep-tag® proteins from commonly used protein expression systems including bacteria, yeast and mammalian cells.

价格	￥3800 在线订购包邮(港澳台除外)
产品编号	L01075-1
规格	2 ml (1 ml Settled Beads) 10 ml (5 ml Settled Beads) 50 ml (25 ml Settled Beads) 大单询价
数量
参考货期


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产品概述

Product Description

Strep-tag® II（WSHPQFEK）和 Twin-Strep-tag®（WSHPQFEKGGGSGGGSGGSAWSHPQFEK）是广泛应用于基础研究、诊断和生物制药领域中重组蛋白纯化的亲和标签。
金斯瑞（GenScript）的 StrepCaptureXP Magnetic Beads（货号：L01075）是一款新一代亲和层析介质，专为高效纯化带有 Strep-tag® II 和 Twin-Strep-tag® 的重组蛋白而设计。该填料表面修饰的是具有自主知识产权的 StrepCaptureXP 配体（一种基因优化的链霉亲和素变体），可实现对多种表达系统（如大肠杆菌、昆虫细胞、哺乳动物细胞）来源蛋白的高特异性捕获，背景低、回收率高，兼容自动化高通量流程。

Key Features

● 高特异性结合，低非特异吸附；
● 高耐碱性，可支持0.1 M – 0.5 M NaOH再生；
● 支持高通量与自动化纯化流程；
● 温和可逆的洗脱条件（50 mM Biotin），保持蛋白活性；
● 广泛缓冲液兼容性（pH 4 – 10，含还原剂、EDTA、去垢剂等30种特殊试剂）；
● 适用于多种表达系统样本的纯化，例如细菌、昆虫、哺乳动物细胞等；
● 操作简便，避免了镍磁珠所需的多步洗杂。

Selection Guide

	StrepCaptureXP Magnetic Beads (Cat. No.: L01075)	StrepCaptureXP Resin FF (Cat. No.: L01091)	StrepCaptureXP Resin Lite (Cat. No.: L01114)
Recommended Applications	High-throughput screening & small-scale purification	Scalable purification & process development	Routine research purification & small-scale protein preparation
If You Need	✓ High-throughput screening ✓ Automated parallel purification ✓ AI-driven protein screening and parallel evaluation of multiple protein candidates ✓ Fast turnaround and high first-pass success rate	✓ Scale-up purification ✓ Compatible with ÄKTA™ systems ✓ High stability for repeated purification cycles ✓ Cost-effective for long-term manufacturing and process development	✓ Flexible for small-scale protein preparation ✓ Easy-to-use format for manual purification ✓ Lower entry cost for routine research applications ✓ Challenging proteins including membrane proteins
Recommended Workflow	Automated magnetic purification platforms and parallel purification workflows	ÄKTA™ chromatography systems and scalable purification processes	Manual purification or small-scale chromatography workflows
Typical Scale	Small volume purification (Recommended: <1 mL beads equivalent)	Medium- to large-scale purification	Small-scale laboratory purification
Automation Compatibility	Compatible with automated magnetic purification platforms (e.g., AmMag™ Quatro 1300 )	Compatible with ÄKTA™ chromatography systems	Compatible with commonly used chromatography systems, including ÄKTA™ systems under recommended operating conditions (refer to Product Manual)
Binding Capacity	20–40 mg/mL beads	10–30 mg/mL resin	8–15 mg/mL resin
Reusability	≥30 purification cycles	≥100 purification cycles	≥35 purification cycles
Purity of Eluted Protein	≥90% (SDS-PAGE)	≥90% (SDS-PAGE)	≥90% (SDS-PAGE)

产品属性

Product Content	50%沉降磁珠悬浮于含0.1% ProClin300的PBS缓冲液（pH 7.2）中
Binding Capacity	20-40 mg蛋白/mL沉降磁珠。（实际结合载量因目标蛋白、标签类型、标签位置及分子大小而异）
Base Matrix	磁性琼脂糖微球（Magnetic agarose beads）
Particle Size	10-37 μm
Affinity Ligand	StrepCaptureXP
Elution Method	竞争性洗脱（推荐使用50 mM Biotin洗脱缓冲液）
Reagent Compatibility	兼容常见裂解试剂
Reuse Capability	≥30次纯化循环（需按推荐方法进行再生和储存）
Storage	2°C - 8°C保存，自生产之日起有效期1年。严禁冷冻，请勿保存在0°C或低于0°C。

图例

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Terms of Use

所有提及的产品和公司名称，例如 Strep-tag® 或 Twin-strep-tag®（IBA Lifesciences GmbH 的注册商标），均为其各自所有者的财产，GenScript 未获得 IBA 的赞助或认可。这些名称仅用于识别目的。

只可用于科研目的，不得用于人类或动物临床实验、诊断或治疗等医疗目的。