Recombinant Human NDST3 protein (GST tag N-Terminus)

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NDST3 also known as N-deacetylase/N-sulfotransferase 3 is an enzyme that facilitates important steps in the biosynthesis of heparan sulfate by removing N-acetyl groups and adding sulfate groups to glucosamine residues. This enzyme has a molecular mass of approximately 110 kDa and is primarily expressed in tissues with high proteoglycan content such as the brain. Its activity is critical for modifying heparan sulfate chains which serves a role in regulating various biological processes.

Biological function summary

NDST3 engages in the modification of heparan sulfate which is an important component of the extracellular matrix. NDST3 is involved in a complex that includes various other NDST family members each contributing distinct functions in heparan sulfate biosynthesis. Through its enzymatic activity NDST3 influences cell signaling and interaction dynamics by producing the variably sulfated domains in heparan sulfate chains that determine ligand binding specificity.

Pathways

NDST3's function in heparan sulfate modification is important in the fibroblast growth factor (FGF) signaling pathway and the Wnt signaling pathway. In these pathways the modified heparan sulfate participates in the regulation of important ligands and receptors which is necessary for proper signal transduction. NDST3 works in concert with proteins such as fibroblast growth factor receptor (FGFR) and Wnt receptors influencing cellular responses and developmental processes.

Defects in NDST3 activity have been implicated in neurodevelopmental disorders and cancer. Altered NDST3 function impacts important signaling pathways in the nervous system and influences tumor progression by affecting cell communication and migration. The enzyme’s relationship with signaling proteins such as FGFR connects its dysfunction to the progression of conditions highlighting its importance in maintaining cellular homeostasis and integrity in human health.