>2w3vA (A:) observed residues (from ATOM records)
raevglvwaqstsgvigrggdipwsvpedltrfkevtmghtvimgrrtweslpakvrplp
grrnvvvsrrpdfvaegarvagsleaalayagsdpapwviggaqiyllalphatrcevte
ieidlrrddddalapalddswvgetgewlasrsglryrfhsyrrd