>4bk7A (A:) SEQRES residues
gvfnfetettsvipaarlfkafildgdnlfpkvapqaissveniegnggpgtikkisfpe
gfpfkyvkdrvdevdhtnfkynysvieggpigdtlekisneikivatpdggsilkisnky
htkgdhevkaeqvkaskemgetllravesyllahsdayn