Beta-hexosaminidase beta chain [Precursor], EC 3.2.1.52, N-acetyl-beta-glucosaminidase, Beta-N-acetylhexosaminidase, Hexosaminidase B, Cervical cancer proto-oncogene 7 protein, HCC-7, Beta-hexosaminidase beta-B chain, Beta-hexosaminidase beta-A chain, HEX