膜杰作
Star Staining
分子别名（Synonym）
Delta3,delta-like 3 (Drosophila),delta-like protein 3,DLL3,Pudgy,SCDO1,SCDO1delta3
表达区间及表达系统（Source）
Human DLL3, His Tag (DL3-H52H4) is expressed from human 293 cells (HEK293). It contains AA Ala 27 - Leu 492 (Accession # Q9NYJ7-1).
Predicted N-terminus: Ala 27
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 50.4 kDa. The protein migrates as 50-55 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS with Arginine, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
电泳（SDS-PAGE）
Human DLL3, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
SEC-MALS
The purity of Human DLL3, His Tag (Cat. No. DL3-H52H4) is more than 95% and the molecular weight of this protein is around 55-75 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Human DLL3, His Tag (Cat. No. DL3-H52H4) at 1 μg/mL (100 μL/well) can bind Anti-DLL3 Antibody (specific Binding DSL of DLL3), Human IgG1 with a linear range of 0.2-2 ng/mL (QC tested).
Protocol
Immobilized Human DLL3, His Tag (Cat. No. DL3-H52H4) at 1 μg/mL (100 μL/well) can bind Anti-DLL3 Antibody (specific Binding EGFs of DLL3), Human IgG1 with a linear range of 0.01-2 ng/mL (Routinely tested).
Protocol
活性（Bioactivity）-SPR
Bispecific T-cell Engager captured on Protein A Chip can bind Human DLL3, His Tag (Cat. No. DL3-H52H4) with an affinity constant of 1.14 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
背景（Background）
Delta-like protein 3 (DLL3) is a transmembrane protein that belongs to the Delta/Serrate/Lag-2 (DSL) family of Notch ligands.May be required to divert neurons along a specific differentiation pathway. Plays a role in the formation of somite boundaries during segmentation of the paraxial mesoderm. DLL3 protein is expressed on the surface of tumor cells but not in normal adult tissues.
