>3sgvA (A:) observed residues (from ATOM records)
gcrhvaiimdgngrwakkqgkirafghkagaksvrravsfaanngiealtlyafssenwn
rpaqevsalmelfvwaldsevkslhrhnvrlriigdtsrfnsrlqerirksealtagntg
ltlniaanyggrwdivqgvrqlaekvqqgnlqpdqideemlnqhvcmhelapvdlvirtg
gehrisnfllwqiayaelyftdvlwpdfdeqdfegalnafan