extractProtCTDT {Rcpi} | R Documentation

## CTD Descriptors - Transition

### Description

CTD Descriptors - Transition

### Usage

    extractProtCTDT(x)

### Arguments

`x` | A character vector, as the input protein sequence.

### Details

This function calculates the Transition descriptor of the CTD descriptors (Dim: 21).

### Value

A length 21 named vector

### Author(s)

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 `extractProtCTDC` and `extractProtCTDD` for the Composition and Distribution descriptors.

### Examples

    x = readFASTA(system.file('protseq/P00750.fasta', package = 'Rcpi'))[[1]]
    extractProtCTDT(x)

[Package Rcpi version 1.20.1 Index]