Allostery in a monomeric protein: The case of human serum albumin

Paolo Ascenzi, Mauro Fasano

Research output: Contribution to journalArticlepeer-review


Human serum albumin (HSA), the most prominent protein in plasma, binds different classes of ligands at multiple sites. The globular domain structural organization of monomeric HSA is at the root of its allosteric properties which are reminiscent of those of multimeric proteins. Here, both functional and structural aspects of the allosteric modulation of heme and drug (e.g., warfarin and ibuprofen) binding to HSA and of the drug-dependent reactivity of HSA-heme are reviewed.

Original languageEnglish
Pages (from-to)16-22
Number of pages7
JournalBiophysical Chemistry
Issue number1-3
Publication statusPublished - May 2010


  • Allostery
  • Drug binding
  • Heme binding
  • Heme-based reactivity
  • Human serum albumin

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Organic Chemistry


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