MIF (Macrophage Inhibitory Factor, GIF)

Size

£825.00

SKU:: 145523
Purity:: Purified by immunoaffinity chromatography.
Storage Conditions:: -20°C
Supplier:: United States Biological
Host:: Sheep
Immunogen:: Recombinant protein corresponding to aa2-115 mouse MIF, expressed in E. coli. (Accession# NP_034928)
Format:: Supplied as a lyophilized powder in PBS, 5% trehalose. Reconstitute with 500ul sterile PBS.
Extra Details:: MIF (Macrophage Inhibitory Factor; also GIF) is a 12-13kD member of the MIF family of proteins. Although secreted, it possesses no definitive signal sequence. MIF is widely expressed, and serves to regulate immune reactions. On macrophages and B cells, MIF binds to a CD74:CD44 complex, initiating downstream signaling. On monocytes, this promotes TNFxalpha production plus IFN-gamma-stimulated NO production. On B cells, this promotes B cell survival. MIF also binds to leukocyte CD74:CXCR2 and CD74:CXCR4 heterodimers, initiating T cell and monocyte migration. A tautomerase activity has also benn shown for MIF, but the significance of this is unclear. Mouse MIF is 114 amino acids (aa) in length. Its tautomerase activity is suggested to involve the entire length of the molecule. MIF is phosphorylated at Ser91, and an additional, singular Cys residue is covalently linked to MIF at Cys60. MIF is considered to act as a homotrimer. Full-length mouse MIF shows 90% and 99% aa sequence identity with human and rat MIF, respectively. Applications: Suitable for use in ELISA and Western Blot. Other applications not tested. Recommended Dilution: Western Blot: 0.5ug/ml Optimal dilutions to be determined by the researcher. Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O or PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Shipping Conditions:: Blue Ice