>4q6aA (A:) observed residues (from ATOM records)
tlsilvahdlqrvigfenqlpwhlpndlkhlkklstghtlvmgrktfesigkplpnrrnv
vltsdtsfnvegvdvihsiediyqlpghvfifggqtlyeemidkvddmyitviegkfrgd
tffppytfedwevassvegkldekntiphtflhlirk