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CD3E编码CD3ε,是T细胞受体(TCR)-CD3复合物的核心组成亚基之一。TCR负责识别由MHC呈递的抗原肽,而CD3γε、CD3δε和CD3ζζ等信号亚基通过胞内ITAM将抗原识别转化为T细胞活化信号。CD3ε广泛表达于成熟T细胞,因而是T细胞检测、激活和靶向重定向研究中最常用的分子之一。近年来,CD3结合结构域被广泛用于T-cell engager和双/多特异性抗体,通过同时结合T细胞CD3和目标细胞表面抗原,使T细胞在非经典抗原呈递条件下实现靶细胞杀伤。由于CD3信号强度直接影响细胞因子释放和功能窗口,因此CD3抗体的亲和力、表位、价态及构型均是分子设计中的关键参数。
缔码生物提供人和猴等不同种属CD3E ECD重组蛋白,包括His和Fc标签形式,可用于ELISA、SPR/BLI、抗体筛选、亲和力评价及跨种属研究。Flow Cyt验证单抗和多种Biosimilar参照抗体,以及PE/生物素化版本,可用于T细胞表面CD3检测、候选CD3臂比较、受体占有及流式方法开发。相关试剂适合用于T-cell engager和多特异性抗体研发中的CD3 binding arm筛选及后续细胞功能实验前表征。
Biosimilar reference antibodies
SKU: BME100258 Target: CD3E
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME101535 Target: CD3E Tag: C-10×His tag
Expression Host: HEK293
Price: 10μg ¥673.00 ; 50μg ¥2466.00 ; 100 μg ¥3699.00
Monoclonal Antibodies
SKU: DMC101085 Target: CD3E
Application: Flow Cyt
Price: 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
ECD Proteins
SKU: PME-C100037 Target: CD3E Tag: C-Human Fc tag
Expression Host: HEK293
Price: 10μg ¥799.00; 50μg ¥2666.00 ; 100 μg ¥3999.00
Biosimilar reference antibodies
SKU: BME100140 Target: CD3E
Application: Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100828 Target: CD3E Tag: C-Human Fc Tag
Expression Host: HEK293
Price: 10μg ¥673.00 ; 50μg ¥2466.00 ; 100 μg ¥3699.00
Biosimilar reference antibodies
SKU: BME100140P Target: CD3E
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100606B Target: CD3E
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100515B Target: CD3E
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100466B Target: CD3E
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100606 Target: CD3E
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100515 Target: CD3E
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100466 Target: CD3E
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
Biosimilar reference antibodies
SKU: BME100140B Target: CD3E
Application: Flow Cyt
Price:100μg ¥1699.00
Monoclonal Antibodies
SKU: DMC101085B Target: CD3E
Application: Flow Cyt
Price: 100 μg ¥6080.00 ; 500 μg ¥19880.00