@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://lod.nal.usda.gov/naltv#Definition>
  a owl:Class ;
  rdfs:label "Concept definition"@en .

nalt:8044_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "A group of antibiotics that contain 6-aminopenicillanic acid with a side chain attached to the 6-amino group. The penicillin nucleus is the chief structural requirement for biological activity. The side-chain structure determines many of the antibacterial and pharmacological characteristics."@en, "Grupo de antibióticos que contienen ácido 6-aminopenicilánico con una cadena lateral unida al grupo 6-amino. El núcleo de la penicilina es el principal requisito estructural para la actividad biológica. La estructura de la cadena lateral determina muchas de las características antibacterianas y farmacológicas."@es ;
  dc:source "Medical Subject Headings 2011" .

nalt:8044 skos:definition nalt:8044_def .