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Literature summary for 7.2.2.19 extracted from

  • Ip, Y.; Ching, B.; Hiong, K.; Choo, C.; Boo, M.; Wong, W.; Chew, S.
    Light induces changes in activities of Na+/K+-ATPase, H+/K+-ATPase and glutamine synthetase in tissues involved directly or indirectly in light-enhanced calcification in the giant clam, Tridacna squamosa (2015), Front. Physiol., 6, 68.
    View publication on PubMedView publication on EuropePMC
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Inhibitors

Inhibitors Comment Organism Structure
oligomycin
-
 Tridacna squamosa

Metals/Ions

Metals/Ions Comment Organism Structure
H+ activates Tridacna squamosa
K+ activates Tridacna squamosa
NH4+ can substitute for K+ to activate the enzyme Tridacna squamosa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + H2O + H+/in + K+/out Tridacna squamosa
-
 ADP + phosphate + H+/out + K+/in
-
 ?

Organism

Organism UniProt Comment Textmining
Tridacna squamosa
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
ctenidium
-
 Tridacna squamosa
-
mantle
-
 Tridacna squamosa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O + H+/in + K+/out
-
 Tridacna squamosa ADP + phosphate + H+/out + K+/in
-
 ?

Synonyms

Synonyms Comment Organism
H+/K+-ATPase
-
 Tridacna squamosa
HKA
-
 Tridacna squamosa

Expression

Organism Comment Expression
Tridacna squamosa exposure to light for 12 h leads to a significant decrease in H+/NH+4-activated enzyme activity from the outer mantle down
Tridacna squamosa exposure to light for 12 h does not affect the H+/NH+4-activated enzyme activity from the inner mantle additional information
Tridacna squamosa exposure to light for 12 h leads to a significant increase in H+/NH+4-activated-HKA activity from ctenidia up