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. 2020 Sep 8;11:572631. doi: 10.3389/fmicb.2020.572631

FIGURE 8.

FIGURE 8

Modeling of observed mutations in the a-helix structure of the NP protein. The BRBV NP structure was modeled on the template structure of the influenza D NP protein (Donchet et al., 2019) (SMTL ID: 5n2u.1) using SWISS-MODEL (Waterhouse et al., 2018). NP forms a tetramer, as shown, which has four arms and a center to capture viral RNA and pass it to the RdRP. The region of NP carrying the α-helix that includes aa 67-71 (SIVMA) is enlarged from one of the monomers.