>3stfD (D:) observed residues (from ATOM records)
mdikinditlgnnspfvlfgginvlesldstlqtcahyvevtrklgipyifkasfdkanr
ssihsyrgvgleeglkifekvkaefgipvitdvhephqcqpvaevcdviqlpaflarqtd
lvvamaktgnvvnikkpqflspsqmknivekfheagngklilcergssfgydnlvvdmlg
fgvmkqtcgnlpvifdvthslqtrrraqaldlalagmatrlaglfleslhlledflirik
alddliksqpi