A-type ion

A-type ion

In mass spectrometry, an N-terminal fragment of a polypeptide produced by cleavage of the bond between an α-carbon and its neighbouring α-carboxy carbon. A b-type ion is an α-N-terminal acylium ion which results from cleavage of an amide bond, and y-type ions are C-terminal iminium ions from such a cleavage.

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Part of Speech: noun
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Industry/Domain: Biology
Category: Biochemistry; Molecular biology
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a-type ion

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In mass spectrometry, an N-terminal fragment of a polypeptide produced by cleavage of the bond between an α-carbon and its neighboring α-carboxy carbon. A b-type ion is an ...

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