Reductive nitrosylation of ferric microperoxidase-11.
Ferric microperoxidase-11
Kinetics
Reductive nitrosylation
Journal
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry
ISSN: 1432-1327
Titre abrégé: J Biol Inorg Chem
Pays: Germany
ID NLM: 9616326
Informations de publication
Date de publication:
02 2019
02 2019
Historique:
received:
16
05
2018
accepted:
08
10
2018
pubmed:
6
11
2018
medline:
26
11
2019
entrez:
4
11
2018
Statut:
ppublish
Résumé
Microperoxidase-11 (MP11) is an undecapeptide derived from horse heart cytochrome c, which is considered as a heme-protein model. Here, the reductive nitrosylation of ferric MP11 (MP11(III)) under anaerobic conditions has been investigated between pH 7.4 and 9.2, at T = 20.0 °C. At pH ≤ 7.7, NO binds reversibly to MP11(III) leading to the formation of the MP11(III)-NO complex. However, between pH 8.2 and 9.2, the addition of NO to MP11(III) leads to the formation of ferrous nitrosylated MP11(II) (MP11(II)-NO). In fact, the transient MP11{FeNO}
Identifiants
pubmed: 30390140
doi: 10.1007/s00775-018-1623-z
pii: 10.1007/s00775-018-1623-z
doi:
Substances chimiques
Cytochrome c Group
0
Iron Compounds
0
Nitroso Compounds
0
Peroxidases
EC 1.11.1.-
microperoxidase
EC 1.11.1.-
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
21-29Références
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