>4y5zP (P:) observed residues (from ATOM records)
ggitvlthselsaeigvtdsivvsselvmpytvgtwlrgvaanwskyswlsvrytyipsc
psstagsihmgfqydmadtvpvsvnqlsnlrgyvsgqvwsgsaglcfingtrcsdtstai
sttldvsklgkkwypyktsadyatavgvdvniatplvparlvialldgssstavaagriy
ctytiqmiepta