>4f21H (H:) observed residues (from ATOM records)
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kvvdveginssiakvnklidsqvnqgiaseniilagfsqggiiatytaitsqrklggima
lstylpawdnfkgkitsinkglpilvchgtddqvlpevlghdlsdklkvsgfaneykhyv
gmqhsvcmeeikdisnfiaktfki