RIN4 (RPM1 INTERACTING PROTEIN 4); protein binding. Identical to RPM1-interacting protein 4 (RIN4) [Arabidopsis Thaliana] (GB:Q8GYN5;GB:Q9LSG9); similar to nitrate-responsive NOI protein, putative [Arabidopsis thaliana] (TAIR:AT5G40645.1); similar to resistance-gene-interacting protein [Brassica juncea] (GB:ABM30198.2); contains InterPro domain Nitrate-induced NOI (InterPro:IPR008700)