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Literature summary extracted from

  • Abra, R.M.; Quinn, P.J.
    Some characteristics of sn-glycero 3-phosphocholine diesterases from rat brain (1976), Biochim. Biophys. Acta, 431, 631-639.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.4.2 EDTA
-
Rattus sp.
3.1.4.38 EDTA reduced activity of 20% with 2 mM Rattus norvegicus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.4.2 0.6
-
sn-glycero 3-phosphocholine
-
Rattus sp.
3.1.4.38 2
-
sn-glycero-3-phosphocholine
-
Rattus norvegicus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.4.2 microsome binding to the membrane Rattus sp.
-
-
3.1.4.38 cytosol 25% of activity Rattus norvegicus 5829
-
3.1.4.38 membrane 75% of activity Rattus norvegicus 16020
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.4.2 Ca2+ fully restored activity if chelating agents used Rattus sp.
3.1.4.38 Ca2+ Ca2+ is required for maximum activity in brain tissues not in myelin Rattus norvegicus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.4.2 72000
-
sucrose density gradient centrifugation, SDS-PAGE analysis Rattus sp.
3.1.4.38 230000
-
sucrose density gradient centrifugation Rattus norvegicus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.4.2 sn-glycero 3-phosphorylcholine + H2O Rattus sp. cellular phosphatidylcholine catabolic pathway ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.1.4.2 Rattus sp.
-
-
-
3.1.4.38 Rattus norvegicus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.4.2 60-fold purification Rattus sp.
3.1.4.38 partial Rattus norvegicus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.4.2 brain
-
Rattus sp.
-
3.1.4.38 brain
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.4.2 0.001
-
-
Rattus sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.4.2 sn-glycero 3-phosphorylcholine + H2O
-
Rattus sp. sn-glycerol 3-phosphate + choline
-
?
3.1.4.2 sn-glycero 3-phosphorylcholine + H2O cellular phosphatidylcholine catabolic pathway Rattus sp. ?
-
?
3.1.4.38 sn-glycero-3-phosphocholine + H2O
-
Rattus norvegicus glycerol + choline phosphate
-
r

Subunits

EC Number Subunits Comment Organism
3.1.4.2 dimer alpha2, 2 * 60000-72000, sucrose density gradient centrifugation and SDS-PAGE Rattus sp.

Synonyms

EC Number Synonyms Comment Organism
3.1.4.2 sn-glycero 3-phosphocholine diesterase
-
Rattus sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.4.2 8.9
-
-
Rattus sp.
3.1.4.38 10.5
-
-
Rattus norvegicus