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Literature summary extracted from

  • van Thoai, N.; Robin, Y.; Pradel, L.A.
    Hypotaurocyamine phosphokinase comparaison avec la taurocyamine phosphokinase (1963), Biochim. Biophys. Acta, 73, 437-444.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.7.3.6 Chloroacetophenone
-
 Phascolosoma vulgare

Organism

EC Number Organism UniProt Comment Textmining
2.7.3.4 Arenicola marina
-
-
-
2.7.3.6 Phascolosoma vulgare
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.7.3.6
-
 Phascolosoma vulgare

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.7.3.4 muscle
-
 Arenicola marina
-
2.7.3.6 muscle
-
 Phascolosoma vulgare
-

Storage Stability

EC Number Storage Stability Organism
2.7.3.6 refrigerated, saturated ammonium sulfate solution, pH 8.1, 3-4 weeks stable Phascolosoma vulgare

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.3.4 ADP + phosphocreatine low activity Arenicola marina ATP + creatine
-
 ?
2.7.3.4 ATP + glycocyamine low activity Arenicola marina ADP + N-phosphoglycocyamine
-
 r
2.7.3.4 ATP + guanidopropionic acid low activity Arenicola marina ADP + N-phosphoguanidinopropionic acid
-
 ?
2.7.3.4 ATP + hypotaurocyamine
-
 Arenicola marina ADP + N-phosphohypotaurocyamine
-
 r
2.7.3.4 ATP + lombricine low activity Arenicola marina ADP + N-phospholombricine
-
 ?
2.7.3.4 ATP + taurocyamine
-
 Arenicola marina ADP + N-phosphotaurocyamine
-
 ?
2.7.3.6 ATP + arginine very low reaction rate Phascolosoma vulgare ADP + phosphoarginine
-
 r
2.7.3.6 ATP + creatine very low reaction rate Phascolosoma vulgare ADP + phosphocreatine
-
 r
2.7.3.6 ATP + glycocyamine very low reaction rate Phascolosoma vulgare ADP + phosphoglycocyamine
-
 r
2.7.3.6 ATP + guanidopropionic acid very low reaction rate Phascolosoma vulgare ADP + N-phosphoguanidopropionic acid
-
 r
2.7.3.6 ATP + hypotaurocyamine
-
 Phascolosoma vulgare ADP + phosphohypotaurocyamine
-
 r
2.7.3.6 ATP + lombricine very low reaction rate Phascolosoma vulgare ADP + phospholombricine
-
 r
2.7.3.6 ATP + taurocyamine
-
 Phascolosoma vulgare ADP + phosphotaurocyamine
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.7.3.4 6.8
-
 reaction with phosphotaurocyamine or hypophosphotaurocyamine Arenicola marina
2.7.3.4 8.5
-
 reaction with hypotaurocyamine Arenicola marina
2.7.3.4 9
-
 reaction with taurocyamine Arenicola marina
2.7.3.6 6.8
-
 reaction with hyotaurocyamine or taurocyamine Phascolosoma vulgare
2.7.3.6 8.9
-
 phosphorylation of hypotaurocyamine Phascolosoma vulgare

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.7.3.4 7.7 9.5 pH 7.7: about 60% of maximal activity, pH 9.5: about 60% of maximal activity, synthesis of hypophosphotaurocyamine Arenicola marina
2.7.3.4 7.7 9.5 pH 7.7: about 50% of maximal activity, pH 9.5: about 70% of maximal activity, synthesis of phosphotaurocyamine Arenicola marina
2.7.3.6 6.5 7.7 pH 6.5: about 75% of maximal activity, pH 7.7: about 70% of maximal activity, reaction with phosphohypotaurocyamine Phascolosoma vulgare
2.7.3.6 7.7 9.5 pH 7.7: about 45% of maximal activity, pH 9.5: about 50% of maximal activity, phosphorylation of hypotaurocyamine Phascolosoma vulgare