has role protective antigen role protective antigen Yersinia pestis protein YopD from Y. pestis KIM 10 Allen Xiang Protegen ID: 339; NCBI Gene GI: 1149313; NCBI Protein GI: 31795494; NCBI Protein Accession: NP_857949; NCBITaxon: 187410 Modified yopD antigens were able to partially protect immunized mice at various levels against lethal challenge with Y. pestis KIM 1001 strain [PubMed: 18291562]. Oliver He protein