>1UM4_1|Chain A[auth L]|Antibody 21H3 L chain|Mus musculus (10090) LDIQMTQSPSSLSASLGERVSLTCRASQEISGYLYWLQQKPDGTIKRLIYAGSTLDSGVPKRFSGSRSGSDYSLTISSLESEDFADYYCLQYASYPRTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGECGAGA >1UM4_2|Chain B[auth H]|Antibody 21H3 H chain|Mus musculus (10090) VQLQQSGPVLVKPGGSVKMSCKASEYTLTSYLFQWVKQKSGQGLEWIGYIYPYNGGTRYNEKFRGKATLTSDKSSNTAYLELSSLTSEDSAVYYCARSSMSDPGANWGPGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEP