>4LKX_1|Chain A|Fab fragment heavy chain|Homo sapiens (9606) QVQLQESGPGLVKPSETLSLTCTVSGYSITSDYAWNWIRQPPGKGLEWIGSISYSGITGYNPSLKSRVTISRDTSKNQFSLKLSSVTAADTAVYYCARMGYDGLAYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKAEPKSCDKTHT >4LKX_2|Chain B|Fab fragment light chain|Homo sapiens (9606) DIVMTQTPLSLSVTPGQPASISCRSSQSIVHSNGNTYLEWYLQKPGQSPQLLIYKVSNRFSGVPDRFSGSGSGTDFTLKISRVEAEDVGVYYCFQGSHVPPTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC >4LKX_3|Chain C[auth R]|CemX segment|Homo sapiens (9606) LAGGSAQSQRAPDR