Human SIRPA protein

SKU: orb605248

Description

This Human SIRPA protein spans the amino acid sequence from region 31-370aa. Purity: Greater than 95% as determined by SDS-PAGE.

Research Area

Immunology & Inflammation

Images & Validation

• Application Notes:
  Partial

Key Properties

• Source: Mammalian cell
• Biological Origin: Homo sapiens (Human)
• Biological Activity: ①Measured by its binding ability in a functional ELISA. Immobilized SIRPA at 2 μg/ml can bind human CD47, the EC50 of human SIRPA protein is 58.30-85.04 ng/ml. ②Human SIRPA protein His/Myc tag captured on COOH chip can bind Human CD47 protein Fc tag with an affinity constant of 19.1 nM as detected by LSPR Assay.
• Tag: C-terminal 6xHis-Myc-tagged
• Expression Region: 31-370aa
• Protein Length: Partial
• Endotoxins: Less than 1.0 EU/μg as determined by LAL method.
• MW: 41.8 kDa
• Purity: Greater than 95% as determined by SDS-PAGE.
• Protein Sequence: EEELQVIQPDKSVLVAAGETATLRCTATSLIPVGPIQWFRGAGPGRELIYNQKEGHFPRVTTVSDLTKRNNMDFSIRIGNITPADAGTYYCVKFRKGSPDDVEFKSGAGTELSVRAKPSAPVVSGPAARATPQHTVSFTCESHGFSPRDITLKWFKNGNELSDFQTNVDPVGESVSYSIHSTAKVVLTREDVHSQVICEVAHVTLQGDPLRGTANLSETIRVPPTLEVTQQPVRAENQVNVTCQVRKFYPQRLQLTWLENGNVSRTETASTVTENKDGTYNWMSWLLVNVSAHRDDVKLTCQVEHDGQPAVSKSHDLKVSAHPKEQGSNTAAENTGSNER

Storage & Handling

• Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.
• Form/Appearance: Lyophilized powder
• Buffer/Preservatives: Lyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0
• Expiration Date: 6 months from date of receipt.
• Disclaimer: For research use only

Alternative Names

Brain Ig-like molecule with tyrosine-based activation motifs (Bit) (CD172 antigen-like family member A) (Inhibitory receptor SHPS-1) (Macrophage fusion receptor) (MyD-1 antigen) (Signal-regulatory protein alpha-1) (Sirp-alpha-1) (Signal-regulatory protein alpha-2) (Sirp-alpha-2) (Signal-regulatory protein alpha-3) (Sirp-alpha-3) (p84) (CD_antigen: CD172a) (SHP substrate 1) (SHPS-1) (BIT) (MFR) (MYD1) (PTPNS1) (SHPS1) (SIRP)

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

Measured by its binding ability in a functional ELISA. Immobilized SIRPA at 2 μg/ml can bind human CD47, the EC50 of human SIRPA protein is 58.30-85.04 ng/ml.

Human SIRPA protein His/Myc tag captured on COOH chip can bind Human CD47 protein Fc tag with an affinity constant of 19.1 nM as detected by LSPR Assay.

Quick Database Links

UniProt

P78324