Structures of two mutants that probe the role in iron release of the dilysine pair in the N-lobe of human transferrin.
Baker, H.M., Nurizzo, D., Mason, A.B., Baker, E.N.(2007) Acta Crystallogr D Biol Crystallogr 63: 408-414
- PubMed: 17327678 
- DOI: 10.1107/S0907444907000182
- Primary Citation of Related Structures:  
2O7U, 2O84 - PubMed Abstract: 
Iron uptake by humans depends on the ability of the serum protein transferrin (Tf) to bind iron as Fe(3+) with high affinity but reversibly. Iron release into cells occurs through receptor-mediated endocytosis, aided by the lower endosomal pH of about 5. ...