>2yntB (B:) observed residues (from ATOM records) hkplevikiedgvylhtsfkniegyglvdsnglvvldnnqayiidtpwseedtklllswa tdrgyqvmasisthshedrtagikllnsksiptytseltkkllaregkpvpthyfkddef tlgnglielyypgaghtednivawlpkskilfggclvrshewealgyvgdasisswadsi knivskkypiqmvvpghgkvgssdildhtidlaesasnk