Ultraviolet Photodissociation of Proteinogenic Amino Acids.

Amino Acids / chemistry Leucine Glycine / chemistry Proline Serine Amines

Journal

Journal of the American Chemical Society
ISSN: 1520-5126
Titre abrégé: J Am Chem Soc
Pays: United States
ID NLM: 7503056

Informations de publication

Date de publication:
24 05 2023
Historique:
medline: 25 5 2023
pubmed: 11 5 2023
entrez: 11 5 2023
Statut: ppublish

Résumé

The ultraviolet photochemistry of the amino acids glycine, leucine, proline, and serine in their neutral forms was investigated using parahydrogen matrix-isolation spectroscopy. Irradiation by 213 nm light destroys the chirality of all three chiral amino acids as a result of the α-carbonyl C-C bond cleavage and hydrocarboxyl (HOCO) radical production. The temporal behavior of the Fourier-transform infrared spectra revealed that HOCO radicals rapidly reach a steady state, which occurs predominantly due to photodissociation of HOCO into CO + OH or CO

Identifiants

DOI: 10.1021/jacs.3c00124 PMID: 37167534
pubmed: 37167534
doi: 10.1021/jacs.3c00124
doi:

Substances chimiques

Amino Acids 0
Leucine GMW67QNF9C
Glycine TE7660XO1C
Proline 9DLQ4CIU6V
Serine 452VLY9402
Amines 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

11045-11055

Auteurs

Brendan Moore (B)

Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada.

Kyle Mahoney (K)

Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada.
ORCID: 0000-0002-9148-0024

Mei Fei Zeng (MF)

Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada.

Pavle Djuricanin (P)

Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada.

Takamasa Momose (T)

Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada.
ORCID: 0000-0001-8976-1938

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Classifications MeSH

questionsmedicales.fr › Acides aminés, peptides et protéines › Acides aminés › Ultraviolet Photodissociation of Proteinogenic...
questionsmedicales.fr › Acides aminés, peptides et protéines › Acides aminés › Acides aminés essentiels › Leucine › Ultraviolet Photodissociation of Proteinogenic...
questionsmedicales.fr › Acides aminés, peptides et protéines › Acides aminés › Glycine › Ultraviolet Photodissociation of Proteinogenic...
questionsmedicales.fr › Acides aminés, peptides et protéines › Acides aminés › Acides aminés cycliques › Imino-acides › Proline › Ultraviolet Photodissociation of Proteinogenic...
questionsmedicales.fr › Acides aminés, peptides et protéines › Acides aminés › Acides aminés neutres › Sérine › Ultraviolet Photodissociation of Proteinogenic...
questionsmedicales.fr › Composés chimiques organiques › Amines › Ultraviolet Photodissociation of Proteinogenic...