Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 26, Issue 5, Pages 1381-1385Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2016.01.078
Keywords
Carbonic anhydrase; Activator; Amine; Amino acid; Dandruff; Malassezia globosa
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Funding
- 7th Framework Programme of the European Union (Dynano Project)
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The beta-carbonic anhydrase (CA, EC 4.2.1.1) from the dandruff producing fungus Malassezia globosa, MgCA, was investigated for its activation with amines and amino acids. MgCA was weakly activated by amino acids such as L-/D-His, L-Phe, D-DOPA, D-Trp, L-/D-Tyr and by the amine serotonin (K(A)s of 12.5-29.3 mu M) but more effectively activated by D-Phe, L-DOPA, L-Trp, histamine, dopamine, pyridyl-alkylamines, and 4-(2-aminoethyl)-morpholine, with K(A)s of 5.82-10.9 mu M. The best activators were L-adrenaline and 1-(2-aminoethyl)piperazine, with activation constants of 0.72-0.81 mu M. This study may help a better understanding of the activation mechanisms of beta-CAs from pathogenic fungi as well as the design of tighter binding ligands for this enzyme which is a drug target for novel types of anti-dandruff agents. (C) 2016 Elsevier Ltd. All rights reserved.
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