In this paper we show that the porcine rubulavirus LPMV phosphoprotein (P) and V protein (V) both interact with the nucleoprotein (NP). There are also indications for an interaction between P and V with L protein. Further analysis of the domains of the P and V which are necessary for interaction with the NP protein demonstrates that the interaction is not mediated from their common part but instead from their unique C-terminal parts, respectively. The common N-terminus of P and V appear to mediate the interaction with L. We also map the regions of NP that are necessary for interaction with P and V, respectively. Both P and V interact with regions of NP, which reside in the N-terminal part but appear not to overlap.
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