Immunogen sequence: IRVKAIRKFAV SQMSALLDSA HLLASSTQRN GICEVLYAAA WICGEFSEHL QEPHHTLEAM LRPRVTTLPG HIQAVYVQNV VKLYASILQQ KEQAG Highest antigen sequence identity to the following orthologs - mouse 93%, rat 93%. AP3D1 is a subunit of the AP3 adaptor-like co