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Recombinant Human JCHAIN protein (NP_653247.1) is produced in Sia-Increased Human Cell Line. This expression system is used for the production of glycoproteins with high sialylation with fucosylation.
Enables IgA binding activity and protein homodimerization activity. Contributes to several functions, including immunoglobulin receptor binding activity; peptidoglycan binding activity; and phosphatidylcholine binding activity. Involved in several processes, including defense response to other organism; glomerular filtration; and positive regulation of respiratory burst.