>4katD (D:) observed residues (from ATOM records)
hmkidildkgfvelvdvmgndlsavraarvsfeerdrhlieylmkhghetpfehivftfh
vkapifvarqwfrhriasynelsgryyefyipsperlegykttippervtekiseivdka
yrtyleliesgvprevarivlplnlytrffwtvnarslmnflnlkadshaqweiqqyala
iarifkekcpwtfeaflkyaykgdilkev