>3ct7F (F:) observed residues (from ATOM records)
mkispslmcmdllkfkeqiefidshadyfhidimdghfvpnltlspffvsqvkklatkpl
dchlmvtrpqdyiaqlaragadfitlhpetingqafrlideirrhdmkvglilnpetpve
amkyyihkadkitvmtvdpgfagqpfipemldklaelkawreregleyeievdgscnqat
yeklmaagadvfivgtsglfnhaenideawrimtaqila