HMGB3 (HIGH MOBILITY GROUP B 3); transcription factor. similar to HMGB2 (HIGH MOBILITY GROUP B 2) [Arabidopsis thaliana] (TAIR:AT1G20693.2); similar to HMGB2 (HIGH MOBILITY GROUP B 2), transcription factor [Arabidopsis thaliana] (TAIR:AT1G20693.1); similar to HMGB2 (HIGH MOBILITY GROUP B 2) [Arabidopsis thaliana] (TAIR:AT1G20693.3); similar to unknown [Populus trichocarpa] (GB:ABK95882.1); contains InterPro domain High mobility group box, HMG1/HMG2, subgroup; (InterPro:IPR000135); contains InterPro domain High mobility group box, HMG1/HMG2; (InterPro:IPR000910); contains InterPro domain High mobility group box, HMG (InterPro:IPR009071)