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Literature summary extracted from

  • Degan, P.; Gesser, H.
    Ca2+ activated myosin-ATPase in cardiac myofibrils of rainbow trout, freshwater turtle and rat (1997), J. Exp. Zool., 278, 381-390.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
5.6.1.8 actin
-
Rattus norvegicus
5.6.1.8 actin
-
Oncorhynchus mykiss
5.6.1.8 actin
-
Trachemys scripta

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5.6.1.8 ATP + H2O + myosin bound to actin filament at position n Rattus norvegicus
-
ADP + phosphate + myosin bound to actin filament at position n+1
-
?
5.6.1.8 ATP + H2O + myosin bound to actin filament at position n Oncorhynchus mykiss
-
ADP + phosphate + myosin bound to actin filament at position n+1
-
?
5.6.1.8 ATP + H2O + myosin bound to actin filament at position n Trachemys scripta
-
ADP + phosphate + myosin bound to actin filament at position n+1
-
?

Organism

EC Number Organism UniProt Comment Textmining
5.6.1.8 Oncorhynchus mykiss
-
trout
-
5.6.1.8 Rattus norvegicus
-
-
-
5.6.1.8 Trachemys scripta
-
freshwater turtle
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
5.6.1.8 cardiac muscle myofibril Oncorhynchus mykiss
-
5.6.1.8 cardiac muscle myofibril Trachemys scripta
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
5.6.1.8 additional information
-
0.125 micromol/min/mg myofibrillar dry weight, ventricle, at 20°C and pH 7.3 Rattus norvegicus
5.6.1.8 additional information
-
0.039 micromol/min/mg myofibrillar dry weight, ventricle, at 20°C and pH 7.3 Trachemys scripta
5.6.1.8 additional information
-
0.072 micromol/min/mg myofibrillar dry weight, atrium, at 20°C and pH 7.3 Trachemys scripta
5.6.1.8 additional information
-
0.094 micromol/min/mg myofibrillar dry weight, ventricle, at 20°C and pH 7.3 Oncorhynchus mykiss
5.6.1.8 additional information
-
0.251 micromol/min/mg myofibrillar dry weight, atrium, at 20°C and pH 7.3 Oncorhynchus mykiss
5.6.1.8 0.04
-
-
Trachemys scripta
5.6.1.8 0.09
-
-
Oncorhynchus mykiss
5.6.1.8 0.12
-
-
Rattus norvegicus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5.6.1.8 ATP + H2O + myosin bound to actin filament at position n
-
Rattus norvegicus ADP + phosphate + myosin bound to actin filament at position n+1
-
?
5.6.1.8 ATP + H2O + myosin bound to actin filament at position n
-
Oncorhynchus mykiss ADP + phosphate + myosin bound to actin filament at position n+1
-
?
5.6.1.8 ATP + H2O + myosin bound to actin filament at position n
-
Trachemys scripta ADP + phosphate + myosin bound to actin filament at position n+1
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
5.6.1.8 7.3
-
-
Oncorhynchus mykiss
5.6.1.8 7.3
-
-
Trachemys scripta