Field desorption mass spectrometry of basic peptides. An approach to the sequencing of arginine‐containing peptides | Zendy

Calas B. | Zendy; Méry J. | Zendy; Parello J. | Zendy; Promé J. C. | Zendy; Roussel J. | Zendy; Patouraux D. | Zendy

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Field desorption mass spectrometry of basic peptides. An approach to the sequencing of arginine‐containing peptides

Author(s) -

Calas B.,

Méry J.,

Parello J.,

Promé J. C.,

Roussel J.,

Patouraux D.

Publication year - 1980

Publication title -

biomedical mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0306-042X

DOI - 10.1002/bms.1200070705

Subject(s) - fragmentation (computing) , mass spectrometry , chemistry , arginine , peptide , desorption , ion , analytical chemistry (journal) , chromatography , amino acid , biochemistry , adsorption , organic chemistry , biology , ecology

Three basic hexapeptides which have two adjacent arginyl residues were studied by field desorption mass spectrometry. At low emitter temperature singly and doubly charged pseudomolecular ions [M + 1] + and [M + 2] 2+ were observed. At higher temperature, these peptides gave a relatively complex fragmentation pattern which can be explained as resulting from preferential cleavages involving the Arg‐Arg sequence. A mechanistic interpretation is proposed for this type of fragmentation.

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