Recombinant Human ICOS Protein, Gly/Pro-tagged, Alexa Fluor 555 conjugated ICOS-390HAF555

Recombinant Human ICOS Protein, Gly/Pro-tagged, Alexa Fluor 555 conjugated

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Recombinant Human ICOS Protein, Gly/Pro-tagged, Alexa Fluor 555 conjugated

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Cat.No. : ICOS-390HAF555 Optional Service: Optional requirements on this protein
Product Overview : Alexa Fluor 555 conjugated recombinant human ICOS (Met 1-Phe 141) was expressed in HEK293.
Description : Inducible costimulator (ICOS), also called AILIM (activiation-inducible lymphocyte immunomediatory molecule) is a cell-surface receptor, and belongs to the CD28 family of immune costimulatory receptors consisting of CD28, CTLA-4 and PD-1. The interaction of B7-H2/ICOS plays a critical role in Th cell differentiation, T−B cell interactions which is essential for germinal center formation, and humoral immune responses, and as well as the production of cytokine IL-4. In addition, ICOS is more potent in the induction of IL-10 production, a cytokine important for suppressive function of T regulatory cells. The B7-1/B7-2--CD28/CTLA-4 and ICOS-B7RP-1 pathway provides key second signals that can regulate the activation, inhibition and fine-tuning of T-lymphocyte responses. ICOS stimulates both Th1 and Th2 cytokine production but may have a preferential role in Th2 cell development. Moreover, The B7-1/B7-2-CD28/CTLA-4 and ICOS-B7RP-1 pathway has been suggested of being involved in the development of airway inflammation and airway hyperresponsiveness.
Source : HEK293
Species : Human
Tag : Gly/Pro
Form : Lyophilized
Protein length : Met1-Phe141
N-terminal Sequence Analysis : Glu 21
Endotoxin : < 1.0 EU/ μg of the protein as determined by the LAL method.
Purity : > 94 % as determined by SDS-PAGE
Characteristic : Disulfide-linked homodimer
Labeled with Alexa Fluor 555 via amines
With an excitation and emission maximum of 555/565 nm, Alexa Fluor 555 can be efficiently excited using a 543 nm He-Ne laser line and detected under standard TRITC/Cy3 filters.
Stability : Samples are stable for up to 12 months from date of receipt at -70 centigrade.
Storage : Store it under sterile conditions at -20 centigradeto -80 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Storage Buffer : Lyophilized from sterile PBS, pH 7.4. Normally 5%-8% trehalose and mannitol are added as protectants before lyophilization.
Shipping : Shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Gene Name : ICOS inducible T-cell co-stimulator [ Homo sapiens ]
Official Symbol : ICOS
Synonyms : ICOS; inducible T-cell co-stimulator; inducible T-cell costimulator; activation inducible lymphocyte immunomediatory molecule; AILIM; CD278; inducible costimulator; activation-inducible lymphocyte immunomediatory molecule; CVID1; MGC39850;
Gene ID : 29851
mRNA Refseq : NM_012092
Protein Refseq : NP_036224
MIM : 604558
UniProt ID : Q9Y6W8
For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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