Molecular modelling of betalactamic antibiotic

<strong>Background</strong>: The antibacterial properties of a compound are the result of its molecular structure. To establish the structural and electronic characteristics makes possible to understand the mechanisms of its action and becomes paramount for the rational design new drugs....

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Main Authors: Elso Manuel Cruz Cruz, Grettel Díaz Ramón
Format: Article
Language:Spanish
Published: Centro Provincial de Información de Ciencias Médicas. Cienfuegos 2010-02-01
Series:Medisur
Subjects:
Online Access:http://www.medisur.sld.cu/index.php/medisur/article/view/750
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author Elso Manuel Cruz Cruz
Grettel Díaz Ramón
author_facet Elso Manuel Cruz Cruz
Grettel Díaz Ramón
author_sort Elso Manuel Cruz Cruz
collection DOAJ
description <strong>Background</strong>: The antibacterial properties of a compound are the result of its molecular structure. To establish the structural and electronic characteristics makes possible to understand the mechanisms of its action and becomes paramount for the rational design new drugs. <br /><strong>Objective</strong>: To model some of the molecular properties of betalactamic antibiotics and inhibitors of the betalactamases and to relate them with their pharmacological actions. <strong><br />Method</strong>: The molecular structures were optimized with PM3• semiempiric calculus. The structure of the betalactamic ring in the different compounds was compared. The molecular properties were calculated according to the Density Functional Theory at a B3LYP/6-31G(d) level. The density of the atomic charges and the frontier orbitals were analyzed. <strong><br />Results</strong> There are variations in the calculated properties that make possible to define two groups of compounds: one for the monobactams and the inhibitors of the betalactamases, with less planarity in the ring and less reactivity and another one with the penicillins, cephalosporins and carbapenems, planer, more structurally stable and reactive. <strong><br />Conclusions</strong>: The modelled molecular properties of the betalactamic antibiotics and inhibitors of the betalactamases show agreement with its pharmacological action.
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spelling doaj.art-737d67e49e0f45fb890fd48cf2862f0a2022-12-22T01:30:00ZspaCentro Provincial de Información de Ciencias Médicas. CienfuegosMedisur1727-897X2010-02-01811319546Molecular modelling of betalactamic antibioticElso Manuel Cruz Cruz0Grettel Díaz Ramón1University of Medical Sciences “Dr. Zoilo E. Marinello Vidaurreta”. Las Tunas Province.University of Medical Sciences “Dr. Zoilo E. Marinello Vidaurreta”. Las Tunas Province.<strong>Background</strong>: The antibacterial properties of a compound are the result of its molecular structure. To establish the structural and electronic characteristics makes possible to understand the mechanisms of its action and becomes paramount for the rational design new drugs. <br /><strong>Objective</strong>: To model some of the molecular properties of betalactamic antibiotics and inhibitors of the betalactamases and to relate them with their pharmacological actions. <strong><br />Method</strong>: The molecular structures were optimized with PM3• semiempiric calculus. The structure of the betalactamic ring in the different compounds was compared. The molecular properties were calculated according to the Density Functional Theory at a B3LYP/6-31G(d) level. The density of the atomic charges and the frontier orbitals were analyzed. <strong><br />Results</strong> There are variations in the calculated properties that make possible to define two groups of compounds: one for the monobactams and the inhibitors of the betalactamases, with less planarity in the ring and less reactivity and another one with the penicillins, cephalosporins and carbapenems, planer, more structurally stable and reactive. <strong><br />Conclusions</strong>: The modelled molecular properties of the betalactamic antibiotics and inhibitors of the betalactamases show agreement with its pharmacological action.http://www.medisur.sld.cu/index.php/medisur/article/view/750agentes antibacterianosdiseño de drogasmodelos químicosprogramas informáticos
spellingShingle Elso Manuel Cruz Cruz
Grettel Díaz Ramón
Molecular modelling of betalactamic antibiotic
Medisur
agentes antibacterianos
diseño de drogas
modelos químicos
programas informáticos
title Molecular modelling of betalactamic antibiotic
title_full Molecular modelling of betalactamic antibiotic
title_fullStr Molecular modelling of betalactamic antibiotic
title_full_unstemmed Molecular modelling of betalactamic antibiotic
title_short Molecular modelling of betalactamic antibiotic
title_sort molecular modelling of betalactamic antibiotic
topic agentes antibacterianos
diseño de drogas
modelos químicos
programas informáticos
url http://www.medisur.sld.cu/index.php/medisur/article/view/750
work_keys_str_mv AT elsomanuelcruzcruz molecularmodellingofbetalactamicantibiotic
AT gretteldiazramon molecularmodellingofbetalactamicantibiotic