>1a2lB (B:) SEQRES residues aqyedgkqyttlekpvagapqvleffsffcphcyqfeevlhisdnvkkklpegvkmtkyh vnfmggdlgkdltqawavamalgvedkvtvplfegvqktqtirsasdirdvfinagikge eydaawnsfvvkslvaqqekaaadvqlrgvpamfvngkyqlnpqgmdtsnmdvfvqqyad tvkylsekk