read_transfac {universalmotif} | R Documentation

## Import TRANSFAC motifs.

### Description

Import TRANSFAC formatted motifs. Assumed to be DNA motifs, type PCM. See `system.file("extdata", "transfac.txt", pacakge="universalmotif")` for an example motif.

### Usage

    read_transfac(file, skip = 0)

### Arguments

`file` | `character(1)` File name.
`skip` | `numeric(1)` If not zero, will skip however many desired lines in the file before starting to read.

### Value

`list` universalmotif objects.

### Author(s)

Benjamin Jean-Marie Tremblay, b2tremblay@uwaterloo.ca

### References

Wingender E, Dietze P, Karas H, Knuppel R (1996). “TRANSFAC: A Database on Transcription Factors and Their DNA Binding Sites.” Nucleic Acids Research, 24, 238-241.

### See Also

Other read_motifs: `read_cisbp`, `read_homer`, `read_jaspar`, `read_matrix`, `read_meme`, `read_motifs`, `read_uniprobe`

### Examples

    transfac <- read_transfac(system.file("extdata", "transfac.txt",
                                          package = "universalmotif"))

[Package universalmotif version 1.0.22 Index]