a bacterial enzyme , carboxypeptidase g2 ( cpg2 ) was conjugated with f ( ab ' ) 2 fragment of a monoclonal antibody directed at beta subunit of human chorionic gonadotrophin ( beta-hcg ) and injected into nude mice bearing hcg producing cc3 xenografts of human choriocarcinoma .
C1333930
cc3
C0086418
human