monoclonal antibody to rat liver cytochrome p-450 j isozyme , an activating enzyme specific to nitrosamine metabolism , was used in combination with immunoblotting , densitometer scanning of sds-page gels , and immunohistochemical staining , there was a trace of p-450 isozyme ( mr. 51 . 5 kd ) in human gastric mucosa with or without cancer .
C0014442
enzyme
C0022173
isozyme