A Lead (II) 3D Coordination Polymer Based on a Marine Cyclic Peptide Motif

被引:8
|
作者
Chakraborty, Subrata [1 ]
Tyagi, Pooja [1 ]
Tai, Dar-Fu [1 ]
Lee, Gene-Hsiang [2 ]
Peng, Shie-Ming [2 ]
机构
[1] Natl Dong Hwa Univ, Dept Chem, Hualien 974, Taiwan
[2] Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan
关键词
natural product; cyclic peptide; lead; coordination polymer; crystal structures; macrocyclic chemistry; HISTONE DEACETYLASE INHIBITORS; SOLID-PHASE SYNTHESIS; ORGANIC FRAMEWORKS; NANOTUBES; TETRAPEPTIDES; COMPLEXES; BACTERIUM; IONS;
D O I
10.3390/molecules18054972
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The crystal structure of a naturally occurring cyclic tetrapeptide cyclo(Gly-L-Ser-L-Pro-L-Glu) [cyclo(GSPE)] was obtained. The conformation of synthesized cyclo(GSPE) fixes the coordination to lead ion in a 1:1 ratio. This cyclo(GSPE)-Pb complex was constructed as an asymmetric 3D network in the crystalline state. The polymerization of a heavy metal ion with a rigid asymmetric cyclic tetrapeptide represents the first example of a new class of macrocyclic complexes.
引用
收藏
页码:4972 / 4985
页数:14
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