4.7 Article

Bio-coordination of bismuth in Helicobacter pylori revealed by immobilized metal affinity chromatography

Journal

CHEMICAL COMMUNICATIONS
Volume 51, Issue 92, Pages 16479-16482

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc04958j

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Funding

  1. Research Grants Council of Hong Kong [705310P, 704612P, 703913P]
  2. Livzon Pharmaceutical Group
  3. University of Hong Kong

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Over 300 Bi-binding peptides from 166 proteins in H. pylori were identified by Bi-IMAC. Bi3+ exhibits high selectivity towards peptide enriched by cysteines and histidines with dominated motif patterns of CXnC, CXnH and HXnH. Structural rationalization and functional categorization on the identified Bi-binding peptides and proteins provide an insight into the inhibitory action of bismuth drugs.

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