Acrobiosystems for English
icon_bulk_orderBulk inquiry/Quick order
0
There is no goods in the shopping cart !
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9
Your Position: Home > Protein > SIRP alpha > SIA-H5225

Human SIRP alpha / CD172a Protein, His Tag (MALS verified)

Order Now

  • Synonym
    SHPS1,SIRPA,CD172A,BIT,MFR,MYD1,P84,PTPNS1
  • Source
    Human SIRP alpha, His Tag(SIA-H5225) is expressed from human 293 cells (HEK293). It contains AA Glu 31 - Arg 370 (Accession # NP_001035111).
    Predicted N-terminus: Glu 31
  • Molecular Characterization
    SIRP alpha Structure

    This protein carries a polyhistidine tag at the C-terminus

    The protein has a calculated MW of 38.5 kDa. The protein migrates as 47-55 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • 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.

  • 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:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
SIRP alpha SDS-PAGE

Human SIRP alpha, 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
SIRP alpha MALS images

The purity of Human SIRP alpha, His Tag (Cat. No. SIA-H5225) is more than 90% and the molecular weight of this protein is around 40-55 kDa verified by SEC-MALS.

Bioactivity-ELISA
 SIRP alpha ELISA

Serial dilutions of Anti-Human CD47 Neutralizing Antibody were added into Human SIRP alpha, His Tag (Cat. No. SIA-H5225): Biotinylated Human CD47, Fc,Avitag (Cat. No. CD7-H82F6) binding reactions. The half maximal inhibitory concentration (IC50) is 0.1245 μg/mL (Routinely tested).

Bioactivity-BLI
 SIRP alpha BLI

Loaded Human CD47, Mouse IgG2a Fc Tag, low endotoxin (Cat. No. CD7-H52A5) on Protein A Biosensor, can bind Human SIRP alpha, His Tag (Cat. No. SIA-H5225) with an affinity constant of 1.1 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).

 SIRP alpha BLI

Immobilized Human CD47, Fc Tag (Cat. No. CD7-H5256) on AHC Biosensor, can bind Human SIRP alpha, His Tag (Cat. No. SIA-H5225) with an affinity constant of 0.72 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Bioactivity-FACS
 SIRP alpha FACS

FACS assay shows that Human SIRP alpha, His Tag (Cat. No. SIA-H5225) can bind to Jurkat cell expressing CD47. The concentration of SIRP alpha used is 1 μg/mL (Routinely tested).

 SIRP alpha FACS

FACS analysis shows that the binding of Human SIRP alpha, His Tag (Cat. No. SIA-H5225) to Jurkat expressing CD47 was inhibited by increasing concentration of neutralizing Anti-CD47 antibody. The concentration of SIRP alpha used is 1 μg/mL. IC50=0.2257 μg/mL (Routinely tested).

  • Background
    Tyrosine-protein phosphatase non-receptor type substrate 1 (SHPS1) is also known as CD172 antigen-like family member A (CD172a), Macrophage fusion receptor, MyD-1 antigen, Signal-regulatory protein alpha (SIRPA or SIRP alpha) or p84, is a member of the SIRP family, and also belongs to the immunoglobulin superfamily. SIRP alpha is Ubiquitous and highly expressed in brain. SIRPA / CD172a is immunoglobulin-like cell surface receptor for CD47 and acts as docking protein and induces translocation of PTPN6, PTPN11 and other binding partners from the cytosol to the plasma membrane. SIRPA / SHPS-1 supports adhesion of cerebellar neurons, neurite outgrowth and glial cell attachment and may play a key role in intracellular signaling during synaptogenesis and in synaptic function By similarity. SIRPA / MyD1 involved in the negative regulation of receptor tyrosine kinase-coupled cellular responses induced by cell adhesion, growth factors or insulin and mediates negative regulation of phagocytosis, mast cell activation and dendritic cell activation. CD47 binding prevents maturation of immature dendritic cells and inhibits cytokine production by mature dendritic cells.
  • Clinical and Translational Updates

Comments (0)


ETA of in-stock products: 2 business days

Price(USD) : $280.00

Price(USD) : $2180.00

Promotion & Exhibitions



Drug Development Status

  • Number of Launched Drugs:2 Details
  • Number of Drugs in Clinical Trials:15 Details
  • Latest Research Phase:Approved

Datasheet & Documentation

Request for DMF
DMF (Drug Master File)

New Product Launch

Questions & Comments

This web search service is supported by Google Inc.

totop
Call us
Call us
North America:
+1 800-810-0816 (Toll Free)
Asia & Pacific:
+86 400-682-2521
Fax
Fax
+1 888-377-6111
Address
Address
1 Innovation Way, Newark, DE 19711, USA

Leave a message