>4updB (B:) observed residues (from ATOM records)
ttvnvnypegevvgvsvlgiesfrgvpfaqppvgnlrlkppvrytenigtkdttgigpsc
pqmylstgngellfqlvgnliniplfqtatlssedcltlniqrpagttsnsslpvlfwif
gggfelgtnqyydgidlltegislgepfifvainyrvggfgflggkeikadgssnlglld
qrialewvadniasfggdpskvtiwgesagsisvfdqmalyggnnkykgkalfrggimns
gsvvpaapvdgvkaqaiydhvvseagcagtsdtlaclrtvdytkfltavnsvpgivsyss
ialsylprpdgvvlidspeeivknkqyaavpmiigdqedegtlfavlpnnitstakivqy
fqdlyfynatkeqltafvntyptditagspfntgifnelypgfkrlaailgdmtftlarr
aflqlcsevnpdvpswsylasydygfpflgtfhatdilqvfygvlpnyasgsiqkyyinf
vttgdpnkgaavdiqwpqwsakknilqiyatkavivadnfraksyeylynnwgifri