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PEPTIDE IDENTIFICATION AND SEQUENCING BY SINGLE-MOLECULE DETECTION OF PEPTIDES UNDERGOING DEGRADATION
PEPTIDE IDENTIFICATION AND SEQUENCING BY SINGLE-MOLECULE DETECTION OF PEPTIDES UNDERGOING DEGRADATION
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机译:通过单分子检测降解过程中的肽鉴定和测序
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摘要
The present disclosure provides peptide amino acid sequencing and identification methods and kits for performing such methods. For example, single-molecule detection of fluorophore-labeled peptides is disclosed using multiple rounds of standard Edman degradation or using digestion by chemicals or enzymes. Different fluorophores covalently attached to each of a specific type of amino acid side chain of a peptide provide for the derivation of the peptide's encoded amino acid sequence following image alignments of multiple Edman cycles or following digestion by chemicals or enzymes. The amino acid sequence of a peptide and/or the identity of the peptide can be determined by bioinformatic analysis based on the encoded amino acid sequence. The present disclosure further provides peptide derivatization and immobilization strategies to enable the sequencing and identification of a single peptide or a plurality of peptides.
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