Peptides (version 2.4.1)

stScales: Compute the ST-scales of a protein sequence

Description

ST-scales were proposed by Yang et al, taking 827 properties into account which are mainly constitutional, topological, geometrical, hydrophobic, elec- tronic, and steric properties of a total set of 167 AAs.

Usage

stScales(seq)

Arguments

seq

An amino-acids sequence

Value

The computed average of ST-scales of all the amino acids in the corresponding peptide sequence.

References

Yang, L., Shu, M., Ma, K., Mei, H., Jiang, Y., & Li, Z. (2010). ST-scale as a novel amino acid descriptor and its application in QSAM of peptides and analogues. Amino acids, 38(3), 805-816.

Examples

# NOT RUN {
stScales(seq = "QWGRRCCGWGPGRRYCVRWC")
# [[1]]
# ST1      ST2      ST3      ST4      ST5      ST6      ST7      ST8
# -0.63760  0.07965  0.05150  0.07135 -0.27905 -0.80995  0.58020  0.54400
# }