>6qna_A mol:protein length:243 B13 Heavy chain
QVQLQESGPSLVKPSQTLSLTCTVSGLSLSDHNVGWIRQAPGKALEWLGVIYKEGDKDYNPALKSRLSITKDNSKSQVSLSLSSVTTEDTATYYCATLGCYFVEGVGYDCTYGLQHTTFHDAWGQGLLVTVSSASTTAPKVYPLSSCCGDKSSSTVTLGCLVSSYMPEPVTVTWNSGALKSGVHTFPAVLQSSGLYSLSSMVTVPGSTSGTQTFTCNVAHPASSTKVDKAVDPRCGKHHHHHH