J-E-J-S/dna-package

DNA

A basic package-in-progress of DNA-related functions.

Functions

seq.py

composition - Returns base composition of nucleotide polymer as dictionary.

transcribe - Returns transcribed DNA as mRNA.

reverse_complement - Returns the complementary strand of a DNA polymer.

gc_content - Returns GC contents of polymer as percentage (%).

translate - Returns primary sequence of protein polypeptide.

find_motif - Returns positions of specified motif with sequence. [(start, end), (start, end)...]

ORFs - Returns a dictionary of open reading frames from an input DNA sequence. 

fasta.py

parse - Returns fasta label and sequence from fasta file containing single sequence

multi_parse - Returns multiple fasta labels and sequences from fasta file containing multiple sequences