>gi|62912466 complement component 4 binding protein, beta chain isoform 2 precursor [Homo sapiens] MFFWCACCLMVAWRVSASDEHCPELPPVDNSIFVAKEVEGQILGTYVCIK GYHLVGKKTLFCNASKEWDNTTTECRLGHCPDPVLVNGEFSSSGPVNVSD KITFMCNDHYILKGSNRSQCLEDHTWAPPFPICKSRDCDPPGNPVHGYFE GNNFTLGSTISYYCEDRYYLVGVQEQQCVDGEWSSALPVCKLIQEAPKPE CEKALLAFQESKNLCEAMENFMQQLKESGMTMEELKYSLELKKAELKAKL L