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Python script for six frame translation of sequences !
By LEGE 296 days ago
from Bio import SeqIO
from Bio.Seq import Seq
def translate_frame(sequence, frame):
if frame > 0:
translated_seq = sequence[frame-1:].translate()
else:
reverse_complement = sequence.reverse_complement()
translated_seq = reverse_complement[abs(frame)-1:].translate()
return translated_seq
def six_frame_translation(fasta_file):
records = list(SeqIO.parse(fasta_file, "fasta"))
for record in records:
print(f"Sequence ID: {record.id}")
for frame in range(1, 7):
protein_sequence = translate_frame(record.seq, frame)
frame_type = "Forward" if frame > 0 else "Reverse"
print(f"Frame {frame_type} {abs(frame)} Translation:\n{protein_sequence}\n")
# Replace 'path/to/your/input.fasta' with the actual path to your input nucleotide sequence in FASTA format
input_fasta = 'path/to/your/input.fasta'
six_frame_translation(input_fasta)
