# NOT RUN {
## Load force constant data
data(sdENM)
## force constants for amino acids A, C, D, E, and F
## in distance range [4, 4.5)
sdENM[1:5, 1:5, 1]
## and distance range [4.5, 5)
sdENM[1:5, 1:5, 2]
## amino acid pair A-P, at distance 4.2
sdENM["A", "P", 1]
# }
# NOT RUN {
## for use in NMA
pdb <- read.pdb( system.file("examples/1hel.pdb", package="bio3d") )
modes <- nma(pdb, ff="sdenm")
# }
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