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Updated: Sep 23, 2025

Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
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Many-Body Study of Iron(III)-Bound Human Serum Transferrin.

Hovan Lee1, Cedric Weber1, Edward B Linscott2

  • 1Department of Physics, Faculty of Natural & Mathematical Sciences, King's College London, London WC2R2LS, U.K.

The Journal of Physical Chemistry Letters
|May 13, 2022
PubMed
Summary
This summary is machine-generated.

We performed the first electronic structure calculations for iron-bound human serum transferrin. Our findings reveal key optical properties and suggest strong electronic correlations are vital for its chemical behavior.

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Area of Science:

  • Computational materials science
  • Biophysical chemistry
  • Condensed matter physics

Background:

  • Human serum transferrin (HST) is crucial for iron transport in the blood.
  • Understanding the electronic structure of iron-bound HST is essential for elucidating its biological function.
  • Previous studies have lacked detailed theoretical insights into the electronic properties of iron-bound HST.

Purpose of the Study:

  • To conduct the first theoretical investigation of iron-bound human serum transferrin using advanced computational methods.
  • To elucidate the electronic structure and optical properties of iron-bound HST.
  • To explore the role of electronic correlations in the chemistry of iron-bound HST.

Main Methods:

  • Density Functional Theory (DFT) calculations.
  • Dynamical Mean Field Theory (DMFT) calculations.
  • Optical conductivity analysis.
  • Spin multiplet analysis.

Main Results:

  • Calculated optical conductivity peaks at 250, 300, and 450 nm, matching experimental observations.
  • Spin multiplet analysis indicates a high-entropy mixed ground state.
  • Strong electronic correlations were identified as a key factor in the system's chemistry.

Conclusions:

  • The study provides the first theoretical framework for understanding the electronic properties of iron-bound HST.
  • The results highlight the significance of strong electronic correlations for the chemical behavior of transferrin.
  • Computational methods successfully replicate experimental optical conductivity data, validating the theoretical approach.