>4h3aB (B:) observed residues (from ATOM records)
gcrhvaiimdgngrwakkqgkirafghkagaksvrravsfaanngiealtlyafelfvwa
ldsevkslhrhnvrlriigdtsrfnsrlqerirksealtagntgltlniaanyggrwdiv
qgvrqlaekvqqgnlqpdqideemlnqhvcmhelapvdlvirtggehrisnfllwqiaya
elyftdvlwpdfdeqdfegalnafanr