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CD33,又称SIGLEC3,是Siglec家族中的I型跨膜糖蛋白,主要表达于髓系祖细胞、单核细胞、巨噬细胞以及多种髓系恶性细胞。其胞外区域包含一个V-set Ig-like domain和一个C2-set Ig-like domain,可识别含唾液酸的糖链;胞内区域则含有ITIM/ITIM-like抑制性信号基序,可募集磷酸酶并调节髓系细胞活化。CD33在正常造血干细胞中的表达相对较低,而在多种髓系白血病细胞上可保持较高表达,因此成为抗体、ADC、双/多特异性抗体和细胞治疗研究中的经典髓系靶点。CD33还具有较好的抗体介导内吞能力,使候选抗体的表位、内吞效率、抗原密度和对正常髓系细胞的影响成为研发中的关键评价因素。
缔码生物提供重组人CD33完整ECD以及覆盖不同胞外区域的分段蛋白,并提供重组小鼠CD33蛋白,可用于ELISA、抗体筛选、表位定位、结构域识别和跨种属研究。Flow Cyt验证单抗、丰富的Biosimilar参照抗体以及PE/生物素化形式可用于细胞表面CD33检测和候选抗体比较;CD33过表达293T稳转细胞株适用于FACS、Cell Binding、内吞及候选分子细胞水平筛选。
Overexpression Stable Cell Line
SKU: CEL100025 Target: CD33
Application: FACS Data
Price: Inquiry
DiSliceX
SKU: SLI100001 Target: BCMA, BTN3A1, CD138, CD147, CD30, CD33, CD38, CD47, CD63, CD99, CS1, GITR, GPC1, GPRC5D, ICAM-1, MUC1, PDL-1, SELPLG, TFRC, TIM3
Application: IHC
Price: 2 slides ¥899.00
ECD Proteins
SKU: PME101383 Target: CD33 Tag: C-10×His tag
Expression Host: HEK293
Price: 10μg ¥706.00 ; 50μg ¥2500.00 ; 100μg ¥3500.00
Monoclonal Antibodies
SKU: DME100077 Target: CD33
Application: ELISA; Flow Cyt
Price: 50μg ¥2280.00 ; 100 μg ¥4080.00 ; 500 μg ¥13280.00
Biosimilar reference antibodies
SKU: BME100015 Target: CD33
Application: Flow Cyt
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
ECD Proteins
SKU: PME100693 Target: CD33 Tag: C-Human Fc Tag
Expression Host: HEK293
Price: 10μg ¥668.00 ; 50μg ¥2499.00 ; 100μg ¥3750.00
ECD Proteins
SKU: PME-M100015 Target: CD33 Tag: C-Human Fc Tag
Expression Host: HEK293
Price: 10μg ¥673.00 ; 50μg ¥2466.00 ; 100 μg ¥3699.00
ECD Proteins
SKU: PME100039 Target: CD33 Tag: C-Human Fc and 6×His Tag
Expression Host: HEK293
Price: 10μg ¥727.00 ; 50μg ¥2666.00 ; 100 μg ¥3999.00
Biosimilar reference antibodies
SKU: BME100015P Target: CD33
Application: Flow Cyt
Price: 100 test ¥1360.00
Biosimilar reference antibodies
SKU: BME100419B Target: CD33
Application: N/A
Price:100μg ¥1699.00
Biosimilar reference antibodies
SKU: BME100419 Target: CD33
Application: N/A
Price: 50 μg ¥800.00 ; 100 μg ¥1500.00
DiSliceX
SKU: SLI100011 Target: B7H5, BST1, CCR2, CD33, CD70, CD93, CHI3L1, TREM2
Application: IHC
Price: 2 slides ¥899.00
Biosimilar reference antibodies
SKU: BME100015B Target: CD33
Application: Flow Cyt
Price:100μg ¥1699.00
Monoclonal Antibodies
SKU: DME100077B Target: CD33
Application: ELISA; Flow Cyt
Price: 100 μg ¥6080.00 ; 500 μg ¥19880.00