>tr|O23748|O23748_BETPN Pollen allergen, Betv1 (Fragment) OS=Betula pendula OX=3505 GN=Betv1 PE=3 SV=1 GVFNYETEATSVIPAARLFKAFILDGDNLFPKVAPQAISSVENIEGNGGPGTIKKISFPE GIPFKYVKDRVDEVDHANFKYSYSLIEGGPVGDTLEKISNEIKIVATPDGGSILKISNKY HTKGDHEVKAEQVKASKEMGETLLRAVESYLLAHSDAYN