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CTD Descriptors - Distribution

Usage

extractProtCTDD(x)

Arguments

x

A character vector, as the input protein sequence.

Value

A length 105 named vector

Details

This function calculates the Distribution descriptor of the CTD descriptors (Dim: 105).

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 extractProtCTDT for the Composition and Transition descriptors.

Examples

x = readFASTA(system.file('protseq/P00750.fasta', package = 'Rcpi'))[[1]]
extractProtCTDD(x)
#>   prop1.G1.residue0  prop1.G1.residue25  prop1.G1.residue50  prop1.G1.residue75 
#>           0.3558719          23.1316726          50.1779359          73.8434164 
#> prop1.G1.residue100   prop1.G2.residue0  prop1.G2.residue25  prop1.G2.residue50 
#>          99.8220641           0.5338078          27.4021352          47.3309609 
#>  prop1.G2.residue75 prop1.G2.residue100   prop1.G3.residue0  prop1.G3.residue25 
#>          75.2669039         100.0000000           0.1779359          19.5729537 
#>  prop1.G3.residue50  prop1.G3.residue75 prop1.G3.residue100   prop2.G1.residue0 
#>          51.7793594          75.6227758          99.6441281           0.3558719 
#>  prop2.G1.residue25  prop2.G1.residue50  prop2.G1.residue75 prop2.G1.residue100 
#>          25.6227758          48.0427046          75.4448399         100.0000000 
#>   prop2.G2.residue0  prop2.G2.residue25  prop2.G2.residue50  prop2.G2.residue75 
#>           1.4234875          23.3096085          54.4483986          76.3345196 
#> prop2.G2.residue100   prop2.G3.residue0  prop2.G3.residue25  prop2.G3.residue50 
#>          99.4661922           0.1779359          22.7758007          48.9323843 
#>  prop2.G3.residue75 prop2.G3.residue100   prop3.G1.residue0  prop3.G1.residue25 
#>          69.5729537          99.8220641           0.1779359          20.9964413 
#>  prop3.G1.residue50  prop3.G1.residue75 prop3.G1.residue100   prop3.G2.residue0 
#>          50.8896797          74.5551601          99.6441281           0.5338078 
#>  prop3.G2.residue25  prop3.G2.residue50  prop3.G2.residue75 prop3.G2.residue100 
#>          26.5124555          46.2633452          75.4448399         100.0000000 
#>   prop3.G3.residue0  prop3.G3.residue25  prop3.G3.residue50  prop3.G3.residue75 
#>           0.3558719          24.1992883          50.5338078          73.8434164 
#> prop3.G3.residue100   prop4.G1.residue0  prop4.G1.residue25  prop4.G1.residue50 
#>          99.8220641           0.3558719          26.5124555          48.3985765 
#>  prop4.G1.residue75 prop4.G1.residue100   prop4.G2.residue0  prop4.G2.residue25 
#>          76.1565836          99.2882562           1.4234875          21.5302491 
#>  prop4.G2.residue50  prop4.G2.residue75 prop4.G2.residue100   prop4.G3.residue0 
#>          51.4234875          75.8007117         100.0000000           0.1779359 
#>  prop4.G3.residue25  prop4.G3.residue50  prop4.G3.residue75 prop4.G3.residue100 
#>          22.7758007          48.9323843          69.5729537          99.8220641 
#>   prop5.G1.residue0  prop5.G1.residue25  prop5.G1.residue50  prop5.G1.residue75 
#>           0.8896797          20.8185053          48.9323843          69.5729537 
#> prop5.G1.residue100   prop5.G2.residue0  prop5.G2.residue25  prop5.G2.residue50 
#>          99.8220641           0.1779359          24.9110320          49.1103203 
#>  prop5.G2.residue75 prop5.G2.residue100   prop5.G3.residue0  prop5.G3.residue25 
#>          75.2669039         100.0000000           0.3558719          26.1565836 
#>  prop5.G3.residue50  prop5.G3.residue75 prop5.G3.residue100   prop6.G1.residue0 
#>          64.2348754          77.4021352          99.2882562           0.1779359 
#>  prop6.G1.residue25  prop6.G1.residue50  prop6.G1.residue75 prop6.G1.residue100 
#>          22.9537367          50.8896797          74.3772242          99.8220641 
#>   prop6.G2.residue0  prop6.G2.residue25  prop6.G2.residue50  prop6.G2.residue75 
#>           1.6014235          21.5302491          49.2882562          70.8185053 
#> prop6.G2.residue100   prop6.G3.residue0  prop6.G3.residue25  prop6.G3.residue50 
#>          98.9323843           0.3558719          29.0035587          48.2206406 
#>  prop6.G3.residue75 prop6.G3.residue100   prop7.G1.residue0  prop7.G1.residue25 
#>          77.4021352         100.0000000           0.5338078          23.4875445 
#>  prop7.G1.residue50  prop7.G1.residue75 prop7.G1.residue100   prop7.G2.residue0 
#>          50.0000000          74.5551601          98.9323843           0.3558719 
#>  prop7.G2.residue25  prop7.G2.residue50  prop7.G2.residue75 prop7.G2.residue100 
#>          23.1316726          50.1779359          73.8434164          99.8220641 
#>   prop7.G3.residue0  prop7.G3.residue25  prop7.G3.residue50  prop7.G3.residue75 
#>           0.1779359          27.2241993          48.0427046          75.4448399 
#> prop7.G3.residue100 
#>         100.0000000