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Recombinant Mouse Antibody Fab Fragment is bind to Human CD22, expressed in E. coli
Fab Fragment based on Mouse Fv - disulfide stabilized
Suitable for use in FC, IP, ELISA, Neut, FuncS, IF and most other immunological methods.
Tested positive against native antigen.
Purity >95% by SDS-PAGE.
Store at -20°C for long-term storage. Store at 2-8°C for up to one month. Avoid freeze/thaw cycles.
Mediates B-cell B-cell interactions. May be involved in the localization of B-cells in lymphoid tissues. Binds sialylated glycoproteins; one of which is CD45. Preferentially binds to alpha-2,6-linked sialic acid. The sialic acid recognition site can be masked by cis interactions with sialic acids on the same cell surface. Upon ligand induced tyrosine phosphorylation in the immune response seems to be involved in regulation of B-cell antigen receptor signaling. Plays a role in positive regulation through interaction with Src family tyrosine kinases and may also act as an inhibitory receptor by recruiting cytoplasmic phosphatases via their SH2 domains that block signal transduction through dephosphorylation of signaling molecules.