>1bt2B (B:) SEQRES residues apiqapeiskcvvppadlppgavvdnccppvasnivdyklpavttmkvrpaahtmdkdai akfakavelmkalpaddprnfyqqalvhcaycnggydqvnfpdqeiqvhnswlffpfhrw ylyfyerilgkligdpsfglpfwnwdnpggmvlpdflndstsslydsnrnqshlppvvvd lgyngadtdvtdqqritdnlalmykqmvtnagtaelflgkayragdapspgagsietsph ipihrwvgdprntnnedmgnfysagrdiafychhsnvdrmwtiwqqlagkprkrdytdsd wlnatflfydengqavkvrigdsldnqkmgykyaktplpwldskp