The ProtFP descriptor set was constructed from a large initial selection of indices obtained from the AAindex database for all 20 naturally occurring amino acids.
protFP(seq)The computed average of protFP descriptors of all the amino acids in the corresponding peptide sequence.
An amino-acids sequence
van Westen, G. J., Swier, R. F., Wegner, J. K., IJzerman, A. P., van Vlijmen, H. W., & Bender, A. (2013). Benchmarking of protein descriptor sets in proteochemometric modeling (part 1): comparative study of 13 amino acid descriptor sets. Journal of cheminformatics, 5(1), 41.
protFP(seq = "QWGRRCCGWGPGRRYCVRWC")
# [[1]]
# ProtFP1 ProtFP2 ProtFP3 ProtFP4 ProtFP5 ProtFP6 ProtFP7 ProtFP8
# 0.2065 -0.0565 1.9930 -0.2845 0.7315 0.7000 0.1715 0.1135
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