[HTML][HTML] Structure-activity relationships in defensin dimers: a novel link between β-defensin tertiary structure and antimicrobial activity

DJ Campopiano, DJ Clarke, NC Polfer… - Journal of Biological …, 2004 - ASBMB
disulfide bond. Proteolysis and peptide mass mapping revealed that Defr1 Y5C monomers
have β-defensin disulfide bond … and four intramolecular disulfide bonds, but because we were …

Disulfide bridges in defensins

BC Zhao, HC Lin, D Yang, X Ye… - Current topics in …, 2016 - ingentaconnect.com
disulfide bonds on the antimicrobial activity of defensins. The disulfide bonds are important
for holding the defensins in … from α defensins, the three disulfide linkages in β defensins are …

Structure− activity relation of human β-defensin 3: influence of disulfide bonds and cysteine substitution on antimicrobial activity and cytotoxicity

E Klüver, S Schulz-Maronde, S Scheid, B Meyer… - Biochemistry, 2005 - ACS Publications
disulfide pattern predicted for β-defensins resulted in significantly different products. While a
major product with the desired disulfide bonds … to a mixture of fully disulfide-bonded isomers …

Antibacterial activities and conformations of synthetic α‐defensin HNP‐1 and analogs with one, two and three disulfide bridges

M Mandal, R Nagaraj - The Journal of Peptide Research, 2002 - Wiley Online Library
… The observed d NN connectivities suggests that type I or type I′β-turns … the β-hairpin region
is a structure that is well conserved in all α- and β-defensins, peptides corresponding to the β

Reduction of disulphide bonds unmasks potent antimicrobial activity of human β-defensin 1

BO Schroeder, Z Wu, S Nuding, S Groscurth… - Nature, 2011 - nature.com
… Because β-defensins contain three intramolecular disulphide-bridges 13 we investigated
the … , without the existence of intermediate states containing one or two disulphide-bridges. …

Antibacterial activities and conformations of bovine β-defensin BNBD-12 and analogs: structural and disulfide bridge requirements for activity

M Mandal, MV Jagannadham, R Nagaraj - Peptides, 2002 - Elsevier
… of disulfide bridges or how they were connected. Our results suggest that a rigid β-sheet
structure or the presence of three disulfide … requirements for antibacterial activity in β-defensins. …

Antimicrobial activity of human β-defensin 4 analogs: insights into the role of disulfide linkages in modulating activity

H Sharma, R Nagaraj - Peptides, 2012 - Elsevier
… into α, β and θ defensins on the basis of disulfide connectivity. Human β-defensins (HBDs) …
Disulfide connectivities in β-defensins are between cysteines 1, 5; 2, 4 and 3, 6 [13], [31], [36…

Engineering disulfide bridges to dissect antimicrobial and chemotactic activities of human β-defensin 3

Z Wu, DM Hoover, D Yang… - Proceedings of the …, 2003 - National Acad Sciences
… separate antimicrobial and chemotactic activities of β-defensins to be dissected for the
first … action of β-defensins and may have important implications for the design of defensin-based …

Structural and functional studies of defensin-inspired peptides

DJ Clarke, DJ Campopiano - Biochemical Society Transactions, 2006 - portlandpress.com
… oxidize to form three intramolecular disulphide (S–S) bonds. The human and mouse defensins
have been … This article will concentrate on the β-defensin subclass. They are produced as …

Structure–activity relationships in βdefensin peptides

K Taylor, PE Barran, JR Dorin - Peptide Science, 2008 - Wiley Online Library
β-defensins consist of three β-strands arranged in an antiparallel sheet and held together
by three intramolecular disulfide bonds… with the canonical β-defensin disulfides. Since both …