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. 2018 May 3;10(5):236. doi: 10.3390/v10050236

Figure 1.

Figure 1

Crystal structures [11,12,13] of measles virus H protein (MVH)-receptor complexes employed for the fragment molecular orbital (FMO) calculations, where the β4 and β5 strand regions in MVH are depicted in cyan and red colors, respectively, along with the calculated values of inter-fragment interaction energies (IFIE) sums for the MVH-receptor interactions. (a) Complex of signaling lymphocyte-activation molecule (SLAM) and MVH, where Chain B (SLAM) is complexed with Chain A (MVH). (b) Complex of Nectin-4 and MVH. Two receptor chains, Chain B and Chain C, are complexed with MVH (Chain A) at different interfaces. The binding of Chain C is regarded as an artifact because of crystal packing [13]. (c) Dimeric complex of CD46 and MVH. Chain C and Chain D of the CD46 receptor are complexed with Chain B and Chain A of MVH, respectively, where the β1–β5 regions in MVH are designated.