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Literature summary extracted from

  • Mapes, C.A.; Sweeley, C.C.
    Interconversion of the A and B forms of ceramide trihexosidase from human plasma (1973), Arch. Biochem. Biophys., 158, 297-304.
    View publication on PubMed

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.22 D-galactosyl-D-galactosyl-D-glucosyl-N-acylsphingosine + H2O Homo sapiens
-
 lactosyl-N-acylsphingosine + D-galactose
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.22 Homo sapiens
-
 multiple forms: A, B
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.22 glycoprotein contains sialic acid, multiple forms differ in sialic acid content Homo sapiens

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.22
-
 Homo sapiens

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.22 plasma
-
 Homo sapiens
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.22 0.076
-
-
 Homo sapiens

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.22 D-galactosyl-D-galactosyl-D-glucosyl-N-acylsphingosine + H2O
-
 Homo sapiens lactosyl-N-acylsphingosine + D-galactose
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.22 5.4
-
 form A Homo sapiens
3.2.1.22 7.2
-
 form B Homo sapiens