>pdb|2zch|P IVGGWECEKHSQPWQVLVASRGRAVCGGVLVHPQWVLTAAHCIRNKSVILLGRHSLFHPEDTGQVFQVSHSFPHPLYDMSLLKNRFLRPGDDSSHDLMLLRLSEPAELTDAVKVMDLPTQEPALGTTCYASGWGSIEPEEFLTPKKLQCVDLHVISNDVCAQVHPQKVTKFMLCAGRWTGGKSTCSGDSGGPLVCNGVLQGITSWGSEPCALPERPSLYTKVVHYRKWIKDTIVANP >pdb|2zch|L DIVLTQSPASLAVSLGQRATISCKASQSVDFDGDSYMNWYQQKPGQPPKLLIFAASNLASGIPARLSGSGSGTDFTLNIQPVEEEDAATYYCQQSNEDPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNR >pdb|2zch|H QVQLQQSGDDLVKPGASVKLSCKASGYTFTTYYINWMRQRPGQGLEWIGRIAPASGTTYSSEMFKDKATLTVDTSSNTAYIQLSSLSSEDSAVYFCARADYGFNSGEAMDYWGQGTSVTVSSAKTTAPPVYPLAPVCGDTTGSSVTLGCLVKGYFPESVTLLWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIVPRDCGCKPC