Protein sequencer

A protein sequencer is a machine that is used to determine the sequence of amino acids in a protein.

Related Topics:
Amino acid - Protein

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They work by tagging and removing one amino acid at a time, which is analysed and identified. This is done repetitively for the whole polypeptide, until the whole sequence is established.

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This method has generally been replaced by nucleic acid technology, and it is often easier to identify the sequence of a protein by looking at the DNA that codes for it.

Related Topics:
Nucleic acid - DNA

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