Weblogo representations of secondary structure preferences for human α-Lactalbumin 101-111 peptide with the AMBER ff14SB plus a whole lot of other AMBER force fields. The 14SB simulation was 3 μs, all other 2 μs.
On the way from 12SB to 14SB the α-helical preference was significantly reduced, but the mainly 3₁₀-helical nature of this peptide can not be faithfully reproduced. At least for the time, AMBER99SB-STAR-ILDN still looks like the best force field for this peptide.
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