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