>1b2rA (A:) observed residues (from ATOM records)
dvpvnlyrpnapfigkvisneplvkeggigivqhikfdltggnlkyiegqsigiippgvd
kngkpeklrlysiastrhgddvddktislcvrqleykhpesgetvygvcstylthiepgs
evkitgpvgkemllpddpeanvimlatgtgiapmrtylwrmfkdaeraanpeyqfkgfsw
lvfgvpttpnilykeeleeiqqkypdnfrltyaisreqknpqggrmyiqdrvaehadqlw
qliknqkthtyicglrgmeegidaalsaaaakegvtwsdyqkdlkkagrwhvaty