Novel insights into structure and function of factor XIIIa-inhibitor tridegin.
Novel insights into structure and function of factor XIIIa-inhibitor tridegin.
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对 XIIIa 因子抑制剂 tridegin 结构和功能的新见解
DOI:
10.1021/jm501058g
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发表时间:
2014
影响因子:
7.3
通讯作者:
Biswas
中科院分区:
文献类型:
--
作者:
Bäuml;Hardes;Steinmetzer;Roeser;Schaub;Biswas
The inhibition of the final step in blood coagulation, the factor XIIIa (FXIIIa) catalyzed cross-linking of fibrin monomers, is currently still a challenge in medicinal chemistry. We report synthesis, recombinant expression, disulfide connectivity, and biological activity of tridegin, the sole existing peptide representative displaying inhibitory activity on FXIIIa. Inhibition of the enzyme by this 66-mer cysteine-rich peptide is mediated by its C-terminal sequence, while the N-terminal part comprises structural information and contributes to inhibitor binding. Either of the production strategies examined leads to the formation of different disulfide-bridged isomers indicating the requirement of the correct fold for inhibitory activity. Molecular modeling and docking studies confirm disulfide bond isomer preference with respect to binding to FXIIIa, in turn, the knowledge of the enzyme–inhibitor interactions might bring about comprehensive ideas for the design of a suitable lead structure for addressing FXIIIa.
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DOI:
10.1016/j.bbamcr.2011.09.012
发表时间:
2012-02
期刊:
Biochimica et biophysica acta
影响因子:
--
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通讯作者:
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影响因子:
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作者:
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影响因子:
3.4
作者:
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通讯作者:
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影响因子:
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作者:
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