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Literature summary extracted from

  • Skudlarek, M.D.; Abou-Haila, A.; Tulsiani, D.R.P.
    Rat spermatogenic cell beta-D-galactosidase: characterization, biosynthesis, and immunolocalization (2000), Exp. Cell Res., 261, 139-149.
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.23 acrosome
-
 Rattus norvegicus
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.23 62000
-
 x * 62000, enzyme from round spermatids, SDS-PAGE Rattus norvegicus
3.2.1.23 64000
-
 x * 64000, enzyme from spermatocytes, SDS-PAGE Rattus norvegicus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.23 additional information Rattus norvegicus the enzyme along with other exoglycohydrolases and proteases, is thought to aid in penetration of the zona pellucida, the extracellular glycocalyx that surrounds the mammalian egg ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.23 Rattus norvegicus
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.23 sperm the enzyme is expressed in late spermatocytes and spermatids (round, elongated/condensed) during spermatogenesis Rattus norvegicus
-
3.2.1.23 spermatid the enzyme is expressed in late spermatocytes and spermatids (round, elongated/condensed) during spermatogenesis Rattus norvegicus
-
3.2.1.23 spermatocyte the enzyme is expressed in late spermatocytes and spermatids (round, elongated/condensed) during spermatogenesis Rattus norvegicus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.23 additional information the enzyme along with other exoglycohydrolases and proteases, is thought to aid in penetration of the zona pellucida, the extracellular glycocalyx that surrounds the mammalian egg Rattus norvegicus ?
-
 ?
3.2.1.23 p-nitrophenyl beta-D-galactopyranoside + H2O
-
 Rattus norvegicus p-nitrophenol + beta-D-galactose
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.23 ? x * 62000, enzyme from round spermatids, SDS-PAGE Rattus norvegicus
3.2.1.23 ? x * 64000, enzyme from spermatocytes, SDS-PAGE Rattus norvegicus