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Structural and Functional Consequences Induced by Post-Translational Modifications in α-Defensins
المؤلفون المشاركون
Talluri, Eleonora
Bonucci, Alessio
Pogni, Rebecca
Balducci, Enrico
Picchianti, Monica
المصدر
International Journal of Peptides
العدد
المجلد 2011، العدد 2011 (31 ديسمبر/كانون الأول 2011)، ص ص. 1-7، 7ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2011-08-28
دولة النشر
مصر
عدد الصفحات
7
التخصصات الرئيسية
الملخص EN
HNP-1 is an antimicrobial peptide that undergoes proteolytic cleavage to become a mature peptide.
This process represents the mechanism commonly used by the cells to obtain a fully active antimicrobial peptide.
In addition, it has been recently described that HNP-1 is recognized as substrate by the arginine-specific ADP-ribosyltransferase-1.
Arginine-specific mono-ADP-ribosylation is an enzyme-catalyzed post-translational modification in which NAD+ serves as donor of the ADP-ribose moiety, which is transferred to the guanidino group of arginines in target proteins.
While the arginine carries one positive charge, the ADP-ribose is negatively charged at the phosphate moieties at physiological pH.
Therefore, the attachment of one or more ADP-ribose units results in a marked change of cationicity.
ADP-ribosylation of HNP-1 drastically reduces its cytotoxic and antibacterial activities.
While the chemotactic activity of HNP-1 remains unaltered, its ability to induce interleukin-8 production is enhanced.
The arginine 14 of HNP-1 modified by the ADP-ribose is in some cases processed into ornithine, perhaps representing a different modality in the regulation of HNP-1 activities.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Balducci, Enrico& Bonucci, Alessio& Picchianti, Monica& Pogni, Rebecca& Talluri, Eleonora. 2011. Structural and Functional Consequences Induced by Post-Translational Modifications in α-Defensins. International Journal of Peptides،Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-483651
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Balducci, Enrico…[et al.]. Structural and Functional Consequences Induced by Post-Translational Modifications in α-Defensins. International Journal of Peptides No. 2011 (2011), pp.1-7.
https://search.emarefa.net/detail/BIM-483651
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Balducci, Enrico& Bonucci, Alessio& Picchianti, Monica& Pogni, Rebecca& Talluri, Eleonora. Structural and Functional Consequences Induced by Post-Translational Modifications in α-Defensins. International Journal of Peptides. 2011. Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-483651
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-483651
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