high mobility group (HMG1/2) family protein. similar to HMGB3 (HIGH MOBILITY GROUP B 3) [Arabidopsis thaliana] (TAIR:AT1G20696.3); similar to HMGB3 (HIGH MOBILITY GROUP B 3), transcription factor [Arabidopsis thaliana] (TAIR:AT1G20696.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO66932.1); contains InterPro domain High mobility group box, HMG1/HMG2; (InterPro:IPR000910); contains InterPro domain High mobility group box, HMG (InterPro:IPR009071)