MA1B1

Endoplasmic reticulum mannosyl-oligosaccharide 1,2-alpha-mannosidase

Involved in glycoprotein quality control targeting of misfolded glycoproteins for degradation. It primarily trims a single alpha-1,2-linked mannose residue from Man(9)GlcNAc(2) to produce Man(8)GlcNAc(2), but at high enzyme concentrations, as found in the ER quality control compartment (ERQC), it further trims the carbohydrates to Man(5-6)GlcNAc(2).

Matrix Type

  • Plasma
  • Tissue/Cells

Gene Symbol

  • MAN1B1

UniProt ID

  • Q9UKM7

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