Correlation between the distribution and inhibition constants of bacterial agmatinase inhibitors
Khramov, V.A.
Biokhimiia 45(2): 371-375
1980
ISSN/ISBN: 0320-9725 PMID: 7388074 Document Number: 161249
A correlation between the distribution of chemical compounds in the water.sbd.non-polar solvent system and their inhibiting effect on bacterial agmatinase was established. The correlation equation appears as Ig (1/Ki [Ki = inhibition constant]) = algPo + C. The value of C is constant for homologous inhibitors but shows considerable variations upon a transition from the homologous row of alcohols to monoamines, diamines and guanidine alkanes. The value of C reflects the electrostatic interactions between the enzyme and the ligand. Alternatively this value can be regarded as a factor of the ligand fitness into the enzyme active center. The correlation equations obtained for different homologous sequences allow the prediction of the inhibiting effect of still unknown homologs.