>1bt1B (B:) SEQRES residues apiqapeiskcvvppadlppgavvdnccppvasnivdyklpavttmkvrpaahtmdkdai akfakavelmkalpaddprnfyqqalvhcaycnggydqvnfpdqeiqvhnswlffpfhrw ylyfyerilgkligdpsfglpfwnwdnpggmvlpdflndstsslydsnrnqshlppvvvd lgyngadtdvtdqqritdnlalmykqmvtnagtaelflgkayragdapspgagsietsph ipihrwvgdprntnnedmgnfysagrdiafychhsnvdrmwtiwqqlagkprkrdytdsd wlnatflfydengqavkvrigdsldnqkmgykyaktplpwldskp