Carbonic anhydrase activators. The first activation study of a coral secretory isoform with amino acids and amines.
The activity of the coral Stylophora pystillata secretory carbonic anhydrase STPCA has been tested in presence of amino acids and amines. All the investigated compounds showed a positive, activating effect on k(cat) and have been separated in weak (K(A) in the range of 21-126 microM), medium (10.1-19 microM) and strong enzyme activators (K(A) of 0.18-3.21 microM). D-DOPA was found to be the best coral enzyme activator, with an activation constant K(A) of 0.18 microM. This enhancement of STPCA activity, as well as previous enzyme inhibition results, might now be tested on living organisms to better understand the role played by these enzymes in the coral calcification processes.
Bertucci
Anthony
A
Centre Scientifique de Monaco, Avenue Saint-Martin, MC 98000, Principality of Monaco, Monaco.
Zoccola
Didier
D
Centre Scientifique de Monaco, Avenue Saint-Martin, MC 98000, Principality of Monaco, Monaco.
Tambutté
Sylvie
S
Centre Scientifique de Monaco, Avenue Saint-Martin, MC 98000, Principality of Monaco, Monaco.
Vullo
Daniela
D
University of Florence, Dipartimento di Chimica 2, Via della Lastruccia, 3, Rm. 188, Polo Scientifico, 50019 Sesto Fiorentino (Firenze), Italy.
Supuran
Claudiu T
CT
University of Florence, Dipartimento di Chimica 2, Via della Lastruccia, 3, Rm. 188, Polo Scientifico, 50019 Sesto Fiorentino (Firenze), Italy.
D000588:Amines / Q000737:chemistry / Q000494:pharmacology*; D000596:Amino Acids / Q000737:chemistry / Q000494:pharmacology*; D000818:Animals; D037421:Anthozoa / Q000201:enzymology* / Q000378:metabolism; D002256:Carbonic Anhydrases / Q000378:metabolism*; D004789:Enzyme Activation / Q000187:drug effects; D006801:Humans; D007527:Isoenzymes / Q000378:metabolism; D007700:Kinetics; D015394:Molecular Structure; D013237:Stereoisomerism; D013329:Structure-Activity Relationship
D000588:Amines; D000596:Amino Acids; D007527:Isoenzymes; D002256:Carbonic Anhydrases