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Coiled-coil domain of the potato virux X resistance protein and similar proteins The potato virus X resistance protein (RX) confers resistance against potato virus X. It is a member of a family of resistance proteins with a domain architecture that includes an N-terminal coiled-coil domain (modeled here), a nucleotide-binding domain, and leucine-rich repeats (CC-NB-LRR). These intracellular resistance proteins recognize pathogen effector proteins and will subsequently trigger a response that may be as severe as localized cell death. The N-terminal coiled-coil domain of RX has been shown to interact with RanGAP2, which is a necessary co-factor in the resistance response.
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Jiyao W et al.(2023). "The conserved domain database in 2023.",