>1al7A (A:) observed residues (from ATOM records)
meitnvneyeaiakqklpkmvydyyasgaedqwtlaenrnafsrilfrprilidvtnidm
tttilgfkismpimiaptamqkmahpegeyataraasaagtimtlsswatssveevastg
pgirffqlyvykdrnvvaqlvrraeragfkaialtvdtprlgrreadiknrfvlppfltl
knfegidlglssyvagqidrslswkdvawlqtitslpilvkgvitaedarlavqhgaagi
ivsnhgarqldyvpatimaleevvkaaqgripvfldggvrrgtdvfkalalgaagvfigr
pvvfslaaegeagvkkvlqmmrdefeltmalsgcrslkeisrshiaadwd