UBQ5 (UBIQUITIN 5); protein binding. Identical to 40S ribosomal protein S27a-3 (UBQ5) [Arabidopsis Thaliana] (GB:P59233;GB:P19233;GB:Q0WV69;GB:Q9M1P9); similar to UBQ6 (ubiquitin 6), protein binding [Arabidopsis thaliana] (TAIR:AT2G47110.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN71283.1); contains InterPro domain Ubiquitin; (InterPro:IPR000626); contains InterPro domain Ribosomal protein S27a; (InterPro:IPR002906)