>21en_C mol:protein length:232 trivalent antibody fragment (triabody)
MQIQLVQSGPDLKKPGETVKISCKASGYPFTNYGMNWVKQAPGKGLKWIGLINTYTGEPTYADDFKGRFAFSLETSASTAYLQINNLKNEDTATYFCARPGTSPRYGYNGYFDVWGAGTTVTVSSDIVMTQSQKFMSTSVGDRVSITCKASQNVGTAVAWYQQKPGQSPKLLIYSASNRCTGVPDRFIGSGSGTDFTLTISNMQSEDLANYFCQQYSSYPFTFGGGTKLEIK