>4gxxE (E:) observed residues (from ATOM records)
pgdticigyhannstdtvdtvleknvtvthsvnlledshngklcklkgiaplqlgkcnia
gwllgnpecdllltasswsyivetsnsengtcypgdfidyeelreqlssvssfekfeifp
ktsswpnhettkgvtaacsyagassfyrnllwltkkgssypklsksyvnnkgkevlvlwg
vhhpptgteqqslyqnadayvsvgsskynrrftpeiaarpkvrgqagrmnyywtllepgd
titfeatgnliapwyafalnrgsgsgiitsdapvhdcntkcqtphgainsslpfqnihpv
tigecpkyvrstklrmatglrnips