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Name :
Active Recombinant Human CTLA4 Protein, His-Avi-tagged, Biotinylated

Specification :
| Source : HEK293 | Species : Human | Tag : His-Avi | Predicted N Terminal : Ala 37 | Form : Lyophilized from 0.22 um filtered solution in PBS, pH7.4, 10% trehalose. | Bio-activity : Immobilized Human B7-1, Fc Tag at 2 ug/mL (100 uL/well) can bind Biotinylated Human CTLA-4, His Tag, Avi Tag with a linear range of 0.8-25 ug/mL. | Molecular Mass : The protein has a calculated MW of 17.2 kDa. The protein migrates as 22-30 kDa under reducing condition (SDS-PAGE) due to glycosylation. | Endotoxin : | Purity : >95% as determined by SDS-PAGE. | Characteristic : Biotinylation of this product is performed using Avitag technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin. The biotin to protein ratio is 0.5-1 as determined by the HABA assay. | Stability : Samples are stable for up to twelve months from date of receipt at -70ºC. | Storage : For long term storage, the product should be stored at lyophilized state at -20ºC or lower. Please avoid repeated freeze-thaw cycles. No activity loss is observed after storage at: 4-8ºC for 12 months in lyophilized state; -70ºC for 3 months under sterile conditions after reconstitution. | Reconstitution : It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4℃ before opening to recover the entire contents.

Gene Information :
| Gene Name : CTLA4 cytotoxic T-lymphocyte-associated protein 4 [ Homo sapiens ] | Official Symbol : CTLA4 | Synonyms : CTLA4; cytotoxic T-lymphocyte-associated protein 4; celiac disease 3 , CELIAC3; cytotoxic T-lymphocyte protein 4; CD; CD28; CD152; GSE; ICOS; CD152 isoform; celiac disease 3; cytotoxic T-lymphocyte antigen 4; cytotoxic T-lymphocyte-associated antigen 4; cytotoxic T-lymphocyte-associated serine esterase-4; cytotoxic T lymphocyte associated antigen 4 short spliced form; ligand and transmembrane spliced cytotoxic T lymphocyte associated antigen 4; GRD4; CTLA-4; IDDM12; CELIAC3; | Gene ID : 1493 | mRNA Refseq : NM_001037631 | Protein Refseq : NP_001032720 | UniProt ID : P16410

MedChemExpress (MCE) recombinant proteins include: cytokines, enzymes, growth factors, hormones, receptors, transcription factors, antibody fragments, etc. They are often essential for supporting cell growth, stimulating cell signaling pathways, triggering or inhibiting cell differentiation; and are useful tools for elucidating protein structure and function, understanding disease onset and progression, and validating pharmaceutical targets. At MedChemExpress (MCE), we strive to provide products with only the highest quality. Protein identity, purity and biological activity are assured by our robust quality control and assurance procedures.
Related category websites: https://www.medchemexpress.com/recombinant-proteins.html
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Author: Cholesterol Absorption Inhibitors