Metal-peptide rings form highly entangled topologically inequivalent frameworks with the same ring- and crossing-numbers.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
22 02 2019
22 02 2019
Historique:
received:
18
10
2018
accepted:
04
02
2019
entrez:
24
2
2019
pubmed:
24
2
2019
medline:
24
2
2019
Statut:
epublish
Résumé
With increasing ring-crossing number (c), knot theory predicts an exponential increase in the number of topologically different links of these interlocking structures, even for structures with the same ring number (n) and c. Here, we report the selective construction of two topologies of 12-crossing peptide [4]catenanes (n = 4, c = 12) from metal ions and pyridine-appended tripeptide ligands. Two of the 100 possible topologies for this structure are selectively created from related ligands in which only the tripeptide sequence is changed: one catenane has a T
Identifiants
pubmed: 30796223
doi: 10.1038/s41467-019-08879-7
pii: 10.1038/s41467-019-08879-7
pmc: PMC6384881
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Pagination
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