Displays arylsulfatase activity at neutral pH, when co-expressed with SUMF1; arylsulfatase activity is measured in the secretion medium of retinal cell line, but no activity is recorded when measured in cell extracts . Lacks arylsulfatase activity .
Subcellular locations: Secreted, Endoplasmic reticulum
Localized in the intracellular granular structures.
Expressed in placenta, in embryonic stem cells, fetal eyes and lens.