| size | get the sequence length |
| read.seq | Read a single fasta sequence file |
| read.fasta | read a fasta sequence collection file |
| open.fasta | open file and load a set of fasta sequence data in lazy mode |
| parse.fasta | parse the fasta sequence object from the given text data |
| write.fasta | write a fasta sequence or a collection of fasta sequence object |
| translate | Do translation of the nt sequence to protein sequence |
| MSA.of | Do multiple sequence alignment |
| as.fasta | Create a fasta sequence collection object from any given sequence collection. |
| fasta | Create a new fasta sequence objects |
| fasta.headers | get/set the fasta headers title |
| fasta.titles | get the fasta titles from a collection of fasta sequence |
| cut_seq.linear | cut part of the sequence |