>3et7A (A:) observed residues (from ATOM records)
giaredvvlnrilgegffgevyegvytnhkgekinvavktckkdctldnkekfmseavim
knldhphivkligiieeeptwiimelypygelghylernknslkvltlvlyslqickama
ylesincvhrdiavrnilvaspecvklgdfglsrtrlpikwmspesinfrrfttasdvwm
favcmweilsfgkqpffwlenkdvigvlekgdrlpkpdlcppvlytlmtrcwdydpsdrp
rftelvcslsdvyqmekdiam