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CD20 是由MS4A1基因编码的四次跨膜B细胞表面蛋白,属于membrane-spanning 4-domains subfamily A家族。CD20从pre-B cell阶段开始表达,并持续存在于大多数成熟B细胞,而在造血干细胞及终末分化浆细胞中的表达较低或缺失,因此具有较明确的B细胞谱系特征。CD20可参与B细胞钙信号、活化及增殖调节,其稳定的细胞表面表达和较低的自然脱落水平,使其成为B细胞恶性疾病和自身免疫疾病研究中的经典靶点。围绕CD20的分子研发不仅涉及传统B细胞清除型抗体,也已延伸至双/多特异性抗体、ADC及细胞治疗等方向。更多关于CD20药物研究进展>>
由于CD20胞外区域较短、缺乏大型可溶性胞外结构域,许多关键抗体表位依赖完整四跨膜构象,因此常规短肽或ECD并不能完全替代天然膜状态的CD20。针对这一特点,缔码生物提供重组人CD20 Synthetic Nanodisc等全长膜蛋白形式,可用于天然构象抗体筛选、SPR/BLI、结合活性和表位相关研究;同时提供CD20 ECD蛋白作为补充抗原工具。页面还包括流式验证单克隆抗体、多种Biosimilar参照抗体及生物素化/PE偶联版本,可用于细胞表面CD20检测、候选抗体比较及流式方法建立。CD20过表达K562稳转细胞株则适用于FACS、Cell Binding和细胞水平候选分子筛选。缔码还建立了 CD20 单B细胞种子库,可进一步支持先导抗体发现、人源化、亲和力成熟和功能评价。
Full Length Transmembrane Proteins
Biotinylated Human CD20 full length protein-synthetic nanodisc
SKU: FLP100027B Target: CD20 Tag: C-Flag&Avi Tag
Expression Host: HEK293
Price:10 μg ¥7000.00 ;50 μg ¥33000.00 ; 100 μg ¥60500.00
Full Length Transmembrane Proteins
SKU: FLP400027 Target: CD20 Tag: C-Flag Tag
Expression Host: HEK293
Price:10 μg ¥7000.00 ;50 μg ¥33000.00 ; 100 μg ¥60500.00
Monoclonal Antibodies
SKU: DMC101229 Target: CD20
Application: Flow Cyt
price: 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Overexpression Stable Cell Line
SKU: CEL100018 Target: CD20
Application: FACS Data
Price: Inquiry
Full Length Transmembrane Proteins
SKU: FLP100027 Target: CD20 Tag: C-Flag Tag
Expression Host: HEK293
Price: 10 μg ¥6300.00 ;50 μg ¥30000.00 ; 100 μg ¥55000.00
Full Length Transmembrane Proteins
SKU: FLP100026 Target: CD20 Tag: C-Flag Tag
Expression Host: HEK293
Price: 50 μg ¥8000.00 ; 100 μg ¥10800.00
Biosimilar reference antibodies
SKU: BME100160 Target: CD20
Application: Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100046 Target: CD20 Tag: N-Human Fc Tag
Expression Host: HEK293
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Biosimilar reference antibodies
SKU: BME100025 Target: CD20
Application: Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100160P Target: CD20
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100025P Target: CD20
Application: Flow Cyt
Price: 100 test ¥1360.00
Full Length Transmembrane Proteins
SKU: FLP120027 Target: CD20 Tag: C-Flag&Strep Tag
Expression Host: HEK293
Price: 10 μg ¥5670.00 ;50 μg ¥27000.00 ; 100 μg ¥49500.00
Biosimilar reference antibodies
SKU: BME100713B Target: CD20
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100652B Target: CD20
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100597B Target: CD20
Application: Flow Cyt
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100477B Target: CD20
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100713 Target: CD20
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100652 Target: CD20
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100597 Target: CD20
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100477 Target: CD20
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00