Na+ ion as activator of alpha-amylase.
D000681:Amylases / Q000378:metabolism*; D000818:Animals; D002025:Bufonidae; D010856:Columbidae; D004789:Enzyme Activation / Q000187:drug effects; D010179:Pancreas / Q000187:drug effects / Q000201:enzymology; D051381:Rats; D012104:Reptiles; D012964:Sodium / Q000494:pharmacology*
D012964:Sodium; D000681:Amylases