>1xl3B (B:) SEQRES residues
sqarvsdveeqvnqylskvpeleqkqnvsellsllsnspnislsqlkaylegkseepseq
fkmlcglrdalkgrpelahlshlveqalvsmaeeqgetivlgaritpeayresqsgvnpl
qplrdtyrdavmgyqgiyaiwsdlqkrfpngdidsvilflqkalsadlqsqqsgsgrekl
givisdlqklkefgsvsdqvkgfwqffsegktngvrpf