>3pduB (B:) observed residues (from ATOM records)
ttygflglgimggpmaanlvragfdvtvwnrnpakcaplvalgarqasspaevcaacdit
iamladpaaarevcfgangvlegigggrgyidmstvddetstaigaavtarggrfleapv
sgtkkpaedgtliilaagdqslftdagpafaalgkkclhlgevgqgarmklvvnmimgqm
mtalgegmalgrncgldggqllevldagamanpmfkgkgqmllsgefptsfplkhmqkdl
rlavelgdrlgqplhgaatanesfkraraaghadedfaavfrvlea