>4PB0_1|Chain A[auth H]|Ab53 heavy chain|Mus musculus (10090) EVKLLESGGGLVQPGGSMKLSCVASGFTFSIFWMNWVRQSPEKGLEWVAEVRLKSNNYATHYAESVKGRFTISRDDSKSGVYLQMNNLRAEDTGIYYCTRGYYGSNYGEYWGQGTTLTVSSAKTTAPSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEP >4PB0_2|Chain B[auth L]|Ab53 light chain|Mus musculus (10090) DVVMTQSPSSLSVTIGQPASISCKSSQSLLDSDGGTYLNWLLQRPGQSPKRLIYLVSKLDSGVPDRFTGSGSGTDFTLKISRVEAEDLGIYYCWQGAHFPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNR