>tr|B9HU53|B9HU53_POPTR E2 ubiquitin-conjugating enzyme OS=Populus trichocarpa OX=3694 GN=POPTR_010G220600 PE=3 SV=1 MEVRPNETVDNSTQYRRHVPATPSKQPVVPPNTVETTSVSQRLQKELMSLMMIGGDLGVS AFPEGESIFAWIGTIAGGEGTAYEGLSYKLSLRFPLDYPFKPPQIKFETMCFHPNVDQFG NICLDILQDKWSSAYDCRTILLSIQSLLGEPNPDSPLNSYAAELWSNKEDYKRKVHKQYY AGEAFES