>4LCI_1|Chain A[auth L]|anti canine CD28 antibody, 1C6, light chain|Mus musculus (10090) MDIVMTQAAPSVPVTPGESVSISCRSTKSLLHSNGNTYLYWFLQRPGQSPQRLIYYMSNLASGVPDRFSGRGSGTDFTLRISRVEAEDAGVYYCMQSLEYPYTFGGGTKLEIKRLVP >4LCI_2|Chain B[auth H]|anti canine CD28 antibody, 1C6, heavy chain|Mus musculus (10090) QIQLVQSGPELKKPGETVKISCKASGYTFTNYGMTWVKQAPRKGLKWMGWINTYTGRPTYADDFKGRFAFSLETSASTAYLQINNLKHEDTATYFCASLGEDFWGQGTTLTVSSHHHHHH