Activation Studies of the β-Carbonic Anhydrase from the Pathogenic Protozoan Entamoeba histolytica with Amino Acids and Amines

Autor: Susanna Haapanen, Seppo Parkkila, Marianne Kuuslahti, Silvia Bua, Claudiu T. Supuran
Přispěvatelé: Lääketieteen ja terveysteknologian tiedekunta - Faculty of Medicine and Health Technology, Laboratoriopalvelut - Laboratory Services, Tampere University
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Metabolites
Volume 9
Issue 2
Metabolites, Vol 9, Iss 2, p 26 (2019)
ISSN: 2218-1989
DOI: 10.3390/metabo9020026
Popis: The &beta
carbonic anhydrase (CA, EC 4.2.1.1) from the pathogenic protozoan Entamoeba histolytica, EhiCA, was investigated for its activation with a panel of natural and non-natural amino acids and amines. EhiCA was potently activated by D-His, D-Phe, D-DOPA, L- and D-Trp, L- and D-Tyr, 4-amino-L-Tyr, histamine and serotonin, with KAs ranging between 1.07 and 10.1 M. The best activator was D-Tyr (KA of 1.07 µ
M). L-Phe, L-DOPA, L-adrenaline, L-Asn, L-Asp, L-Glu and L-Gln showed medium potency activation, with KAs of 16.5&ndash
25.6 µ
M. Some heterocyclic- alkyl amines, such as 2-pyridyl-methyl/ethyl-amine and 4-(2-aminoethyl)-morpholine, were devoid of EhiCA activating properties with KAs >
100 µ
M. As CA activators have poorly been investigated for their interaction with protozoan CAs, our study may be relevant for an improved understanding of the role of this enzyme in the life cycle of E. histolytica.
Databáze: OpenAIRE