>tr|J9RJB4|J9RJB4_POPTR Cellulose synthase (Fragment) OS=Populus trichocarpa OX=3694 GN=CesA2B PE=4 SV=1 KRPGFSHHKKAGAMNALIRVSAVLTNAPFMLNLDCDHYINNSKAVREAMCFLMDPQIGKR VCYVQFPQRFDGIDRHDRYANRNTVFFD