>1v16B (B:) observed residues (from ATOM records)
ahftfqpeygqtqkmnlfqsvtsaldnslakdptavifgedvafggvfrctvglrdkygk
drvfntplceqgivgfgigiavtgataiaeiqfadyifpafdqivneaakyryrsgdlfn
cgsltirspwgcvghgalyhsqspeaffahcpgikvviprspfqakglllsciedknpci
ffepkilyraaaeevpiepyniplsqaeviqegsdvtlvawgtqvhvirevasmakeklg
vscevidlrtiipwdvdticksviktgrllisheapltggfaseisstvqeecflnleap
isrvcgydtpfphifepfyipdkwkcydalrkminy