Challenge: Protein Molecular Weight for Multiple Sequences
Automating the calculation of molecular weight for multiple protein sequences is a practical task in protein characterization studies. By processing a batch of sequences at once, you can quickly compare molecular properties and identify outliers or patterns relevant to biological research. In this challenge, you will build on your understanding of amino acid weights and sequence analysis to create a function that efficiently handles lists of protein sequences, reporting their molecular weights while managing any unknown amino acids that might appear.
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Write a function that takes a list of protein sequence strings and returns a list of their molecular weights. Use the provided dictionary of amino acid weights, summing the weights for each recognized amino acid in each sequence. If an amino acid is not found in the dictionary, skip it and do not include its weight in the calculation. Return a list of molecular weights, one for each input sequence.
- Iterate over each sequence in the input list.
- For each sequence, sum the weights of amino acids using the dictionary.
- If an amino acid is not in the dictionary, skip it.
- Return a list of calculated molecular weights, corresponding to the input sequences.
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How do I handle unknown amino acids in the sequences?
Can you explain how to calculate the molecular weight of a protein sequence?
Can you provide an example of processing multiple sequences at once?
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Automating the calculation of molecular weight for multiple protein sequences is a practical task in protein characterization studies. By processing a batch of sequences at once, you can quickly compare molecular properties and identify outliers or patterns relevant to biological research. In this challenge, you will build on your understanding of amino acid weights and sequence analysis to create a function that efficiently handles lists of protein sequences, reporting their molecular weights while managing any unknown amino acids that might appear.
Swipe to start coding
Write a function that takes a list of protein sequence strings and returns a list of their molecular weights. Use the provided dictionary of amino acid weights, summing the weights for each recognized amino acid in each sequence. If an amino acid is not found in the dictionary, skip it and do not include its weight in the calculation. Return a list of molecular weights, one for each input sequence.
- Iterate over each sequence in the input list.
- For each sequence, sum the weights of amino acids using the dictionary.
- If an amino acid is not in the dictionary, skip it.
- Return a list of calculated molecular weights, corresponding to the input sequences.
Løsning
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