>4isgA (A:) observed residues (from ATOM records)
kpmpltlveqilaefqlqeedlkkvmrrmqkemdrglrletheeasvkmlptyvrstpeg
sevgdflsldlggtnfrvmlvkvgeqwsvktkhqmysipedamtgtaemlfdyisecisd
fldkhqmkhkklplgftfnvvgllrdaikrrgdfemdvvamvndtvatmiscyyedhqce
vgmivgtgcnacymeemqnvelvegdegrmcvntewgafgdsgeldeflleydrlvdess
anpgqqlyekliggkymgelvrlvllrlvdenllfhgeaseqlrtrgafetrfvsqvesd
tgdrkqiynilstlglrpsttdcdivrracesvstraahmcsaglagvinrmresrmrit
vgvdgsvyklhpsfkerfhasvrrltpsceitfiesesgrgaalvsavackkacmlgq