PRP39; binding. similar to AT PRP39-2 [Arabidopsis thaliana] (TAIR:AT5G46400.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN60862.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO40560.1); similar to Os03g0210400 [Oryza sativa (japonica cultivar-group)] (GB:NP_001049340.1); contains InterPro domain RNA-processing protein, HAT helix; (InterPro:IPR003107); contains InterPro domain Tetratricopeptide-like helical; (InterPro:IPR011990)