>3qasA (A:) observed residues (from ATOM records)
gcrhvaiimdgngrwakkqgkirafghkagaksvrravsfaanngiealtlyafssenwn
rpaqevsalmelfvwaldsevkslhrhnvrlriigdtsrfnsrlqerirksealtagntg
ltlniaanyggrwdivqgvrqlaekvqqgnlqpdqideemlnqhvcmhelapvdlvirtg
gehrisnfllwqiayaelyftdvlwpdfdeqdfegalnafanr