Challenge: Batch DNA to Protein Translation
Automating the translation of DNA sequences to protein sequences is a foundational task in gene annotation and comparative genomics. When faced with a large dataset of gene sequences, you need to efficiently convert each DNA string into its corresponding protein sequence, following the standard genetic code. This process involves reading each DNA sequence in triplets (codons), translating each codon into an amino acid, and stopping translation at stop codons or when an incomplete codon is encountered at the end of a sequence. Handling multiple sequences at once allows you to scale up your analyses and prepare data for downstream bioinformatics tasks.
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Write a function that takes a list of DNA sequence strings and returns a list of protein sequence strings, translating each using the standard genetic code and stopping at stop codons.
- Use the provided codon table to translate each DNA sequence.
- Translate each sequence in triplets (codons), from the start to the end, but stop if a stop codon ("_") is encountered.
- Ignore incomplete codons at the end of the sequence that do not form a full triplet.
- Return a list of protein sequence strings, one for each input DNA sequence.
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Can you explain how the standard genetic code maps codons to amino acids?
What are the common stop codons, and how should they be handled during translation?
Can you provide an example of translating a DNA sequence to a protein sequence?
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Automating the translation of DNA sequences to protein sequences is a foundational task in gene annotation and comparative genomics. When faced with a large dataset of gene sequences, you need to efficiently convert each DNA string into its corresponding protein sequence, following the standard genetic code. This process involves reading each DNA sequence in triplets (codons), translating each codon into an amino acid, and stopping translation at stop codons or when an incomplete codon is encountered at the end of a sequence. Handling multiple sequences at once allows you to scale up your analyses and prepare data for downstream bioinformatics tasks.
Swipe to start coding
Write a function that takes a list of DNA sequence strings and returns a list of protein sequence strings, translating each using the standard genetic code and stopping at stop codons.
- Use the provided codon table to translate each DNA sequence.
- Translate each sequence in triplets (codons), from the start to the end, but stop if a stop codon ("_") is encountered.
- Ignore incomplete codons at the end of the sequence that do not form a full triplet.
- Return a list of protein sequence strings, one for each input DNA sequence.
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