>3sqaB (B:) observed residues (from ATOM records)
ewclmesdpgvftelikgfgcrgaqveeiwslepenfeklkpvhgliflfkwqpgeepag
svvqdsrldtiffakqvinnaaatqaivsvllncthqdvhlgetlsefkefsqsfdaamk
glalsnsdvirqvhnsfarafhfvsyvpvngrlyeldglregpidlgacnqddwisavrp
viekriqkysegeirfnlmaivsd