>4lbxB (B:) observed residues (from ATOM records)
mtrfdvltvgnaivdiisrcndqflidnqitkaamnlidaeraellysrmgpaleasggs
agntaagvanlggkaayfgnvaadqlgdifthdiraqgvhyqtkpkgafpptarsmifvt
edgersmntylgacvelgpedveadvvadakvtyfegylwdpprakeaildcariahqhg
remsmtlsdsfcvdryrgefldlmrsgkvdivfanrqealslyqtddfeealnriaadck
iaavtmsengavilkgreryyvnairirevvdttgagdlfasgflygytqgrsledcgkl
gclaagiviqqigprpmtslseaakqagli