>6h73A (A:) observed residues (from ATOM records)
krpirllpwlqvvkiggrvmdrgadailplveelrkllpehrlliltgagvrarhvfsvg
ldlglpvgslaplaaseagqnghilaamlasegvsyvehptvadqlaihlsatravvgsa
fppyhhhefpgsripphradtgaflladafgaagltivenvdgiytadpngpdrgqarfl
petsatdlaksegplpvdralldvmatarhiervqvvnglvpgrltaalrgehvgtlirt
gvrpa