Structural Characterization of Competence-Stimulating Peptide Analogues Reveals Key Features for ComD1 and ComD2 Receptor Binding in Streptococcus pneumoniae.
Structural Characterization of Competence-Stimulating Peptide Analogues Reveals Key Features for ComD1 and ComD2 Receptor Binding in Streptococcus pneumoniae.
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DOI:
10.1021/acs.biochem.8b00653
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发表时间:
2018-09-11
期刊:
影响因子:
2.9
通讯作者:
Tal-Gan Y
中科院分区:
文献类型:
--
作者:
Yang Y;Cornilescu G;Tal-Gan Y
Streptococcus pneumoniae is an important pathogen that utilizes quorum sensing (QS) to regulate genetic transformation, virulence and biofilm formation. The competence stimulating peptide (CSP) is a 17-amino acid signal peptide that is used by S. pneumoniae to trigger QS. S. pneumoniae strains can be divided into two main specificity groups based on the CSP signal they produce (CSP1 or CSP2) and their compatible receptors (ComD1 or ComD2 respectively). Modulation of QS in S. pneumoniae can be achieved by targeting the CSP:ComD interaction using synthetic CSP analogues. However, in order to rationally design CSP-based QS modulators with enhanced activities, an in-depth understanding of the structural features that are required for receptor binding is needed. Herein, we report a comprehensive in-solution three-dimensional structural characterization of eight CSP1 and CSP2 analogues with varied biological activities using NMR spectroscopy. Analysis of these structures revealed two distinct hydrophobic patches required for effective ComD1 and ComD2 binding.
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影响因子:
8.6
作者:
Wang B;Muir TW
通讯作者:
Muir TW
影响因子:
15
作者:
Tal-Gan Y;Ivancic M;Cornilescu G;Cornilescu CC;Blackwell HE
通讯作者:
Blackwell HE
影响因子:
2.7
作者:
Koirala B;Hillman RA;Tiwold EK;Bertucci MA;Tal-Gan Y
通讯作者:
Tal-Gan Y
DOI:
10.1002/anie.201602974
发表时间:
2016-07-25
期刊:
Angewandte Chemie (International ed. in English)
影响因子:
--
作者:
Tal-Gan Y;Ivancic M;Cornilescu G;Yang T;Blackwell HE
通讯作者:
Blackwell HE
影响因子:
3.2
作者:
HUI, FM;MORRISON, DA
通讯作者:
MORRISON, DA