DNA binding. similar to HMGB6 (High mobility group B 6), transcription factor [Arabidopsis thaliana] (TAIR:AT5G23420.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN84129.1); contains InterPro domain High mobility group box, HMG1/HMG2; (InterPro:IPR000910); contains InterPro domain High mobility group box, HMG (InterPro:IPR009071)