protr (version 1.7-4)

extractCTDC: CTD Descriptors - Composition

Description

This function calculates the Composition descriptor of the CTD descriptors (dim: 21).

Usage

extractCTDC(x)

Value

A length 21 named vector

Arguments

x

A character vector, as the input protein sequence.

Author

Nan Xiao <https://nanx.me>

References

Inna Dubchak, Ilya Muchink, Stephen R. Holbrook and Sung-Hou Kim. Prediction of protein folding class using global description of amino acid sequence. Proceedings of the National Academy of Sciences. USA, 1995, 92, 8700-8704.

Inna Dubchak, Ilya Muchink, Christopher Mayor, Igor Dralyuk and Sung-Hou Kim. Recognition of a Protein Fold in the Context of the SCOP classification. Proteins: Structure, Function and Genetics, 1999, 35, 401-407.

See Also

See extractCTDT and extractCTDD for Transition and Distribution of the CTD descriptors.

Examples

x <- readFASTA(system.file("protseq/P00750.fasta", package = "protr"))[[1]]
extractCTDC(x)