>3rroB (B:) observed residues (from ATOM records)
sqfmnlegkvalvtgasrgigkaiaellaergakvigtatsesgaqaisdylgdngkgma
lnvtnpesieavlkaitdefggvdilvnnagitrdnllmrmkeeewsdimetnltsifrl
skavlrgmmkkrqgriinvgsvvgtmgnagqanyaaakagvigftksmarevasrgvtvn
tvapgfietdmtkalndeqrtatlaqvpagrlgdpreiasavaflaspeaayitgetlhv
nggmymi