Towards the functional high-resolution coordination chemistry of blood plasma human serum albumin.

Samah Al-Harthi, Joanna Izabela Lachowicz, Michal Eligiusz Nowakowski, Mariusz Jaremko, Lukasz Jaremko

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106 Scopus citations


Human serum albumin (HSA) is a monomeric, globular, multi-carrier and the most abundant protein in the blood. HSA displays multiple ligand binding sites with extraordinary binding capacity for a wide range of ions and molecules. For decades, HSA's ability to bind to various ligands has led many scientists to study its physiological properties and protein structure; indeed, a better understanding of HSA-ligand interactions in human blood, at the atomic level, will likely foster the development of more potent, and overall more performant, diagnostic and therapeutic tools against serious human disorders such as diabetes, cardiovascular disorders, and cancer. Here, we present a concise overview of the current knowledge of HSA's structural characteristics, and its coordination chemistry with transition metal ions, within the scope and limitations of current techniques and biophysical methods to reach atomic resolution in solution and in blood serum. We also highlight the overwhelming need of a detailed atomistic understanding of HSA dynamic structures and interactions that are transient, weak, multi-site and multi-step, and allosterically affected by each other. Considering the fact that HSA is a current clinical tool for drug delivery systems and a potential contender as molecular cargo and nano-vehicle used in biophysical, clinical and industrial fields, we underline the emerging need for novel approaches to target the dynamic functional coordination chemistry of the human blood serum albumin in solution, at the atomic level.
Original languageEnglish (US)
Pages (from-to)110716
JournalJournal of Inorganic Biochemistry
StatePublished - May 20 2019

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: Authors would like to thank Dr. Michael Florian Mette, PhD, BESE Division in the King Abdullah University of Science and Technology (KAUST), for his critical reading of the manuscript and valuable remarks. This research was supported by King Abdullah University of Science and Technology (KAUST)baseline funds of L.J. and M.J.


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