Recombinant Sheep Interferon gamma Protein

Name: Recombinant Sheep Interferon gamma Protein
Brand: Beta LifeScience
SKU: BLA-1070P
Availability: InStock

Collections: Antibody / cell therapy targets, Antibody therapeutic / adc target proteins, Cytokines and growth factors, Other cytokines, Recombinant proteins

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Product Overview

Host Species	Sheep
Accession	P17773
Synonym	IF 1 IFG IFI IFN gamma IFN immune IFN, immune IFN-gamma IFNG IFNG_HUMAN Immune interferon Interferon gamma Type II Interferon
Description	Recombinant Sheep Interferon gamma Protein was expressed in Yeast. It is a Full length protein
Source	Yeast
AA Sequence	QGPFFKEIEN LKEYFNASNP DVAKGGPLFS EILKNWKEES DKKIIQSQIV SFYFKLFENL KDNQVIQRSM DIIKQDMFQK FLNGSSEKLE DFKRLIQIPV DDLQIQRKAI NELIKVMNDL SPKSNLRKRK RSQNLFRGRR ASM
Molecular Weight	17 kDa
Purity	Greater than 95% SDS-PAGE
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Formulation	Lyophilised
Stability	The recombinant protein samples are stable for up to 12 months at -80°C
Reconstitution	See related COA
Unit Definition	For Research Use Only
Storage Buffer	Shipped at 4°C. Store at -20°C.

Target Details

Target Function	Type II interferon produced by immune cells such as T-cells and NK cells that plays crucial roles in antimicrobial, antiviral, and antitumor responses by activating effector immune cells and enhancing antigen presentation. Primarily signals through the JAK-STAT pathway after interaction with its receptor IFNGR1 to affect gene regulation. Upon IFNG binding, IFNGR1 intracellular domain opens out to allow association of downstream signaling components JAK2, JAK1 and STAT1, leading to STAT1 activation, nuclear translocation and transcription of IFNG-regulated genes. Many of the induced genes are transcription factors such as IRF1 that are able to further drive regulation of a next wave of transcription. Plays a role in class I antigen presentation pathway by inducing a replacement of catalytic proteasome subunits with immunoproteasome subunits. In turn, increases the quantity, quality, and repertoire of peptides for class I MHC loading. Increases the efficiency of peptide generation also by inducing the expression of activator PA28 that associates with the proteasome and alters its proteolytic cleavage preference. Up-regulates as well MHC II complexes on the cell surface by promoting expression of several key molecules such as cathepsins B/CTSB, H/CTSH, and L/CTSL. Participates in the regulation of hematopoietic stem cells during development and under homeostatic conditions by affecting their development, quiescence, and differentiation.
Subcellular Location	Secreted.
Protein Families	Type II (or gamma) interferon family
Database References	KEGG: oas:443396 UniGene: Oar.457
Tissue Specificity	Released primarily from activated T lymphocytes.

Gene Functions References

gammadelta T cells traveling in the skin-draining afferent lymph are effectors that produce IFN-gamma or IL-17 and express high levels of the skin- and inflammation-seeking molecule E-selectin ligand PMID: 23838472
structural and functional characterization and role in haemonchiasis resistance PMID: 21419496
results suggest that intron 1 of the interferon gamma gene has an important role in resistance to nematode infection in the Texel breed PMID: 16054889
Five unique polymorphic patterns were detected and sequence analysis revealed that these patterns represent five different IFNG alleles. PMID: 16820277

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.