>4i1xA (A:) observed residues (from ATOM records)
mmiittmqdaigrtpvfkftnkdypiplnsaiyaklehlnpggsvkdrlgqyligegfkt
gkitskttiieptagntgialalvaikhhlktifvvpekfstekqqimralgalvintpt
segisgaikkskelaesipdsylplqfenpdnpaayyhtlapeivqelgtnltsfvagig
sggtfagtarylkeripairligvepegsilnggepgpheiegigvefippffenldidg
fetisdeegfsytrklakkngllvgsssgaafvaalkeaqrlpegsqvltifpdvadryl
skgiyl