Does not seem to be involved in defense response against the bacterial blight disease caused by Xanthomonas oryzae pv. oryzae (Xoo). Over-expression of NPR2/NH2 does not confer disease resistance to Xoo. Interacts with NRR (PubMed:15986920). Interacts with TGAL1 and TGAL11 (PubMed:24919709). Truncated N-terminus. Truncated N-terminus.