Article
EPR investigation of the role of B10 phenylalanine in neuroglobin - evidence that B10Phe mediates structural changes in the heme region upon disulfide-bridge formation.
Journal of inorganic biochemistry - 1 Sept 2011
Ezhevskaya Maria, Trandafir Florin, Moens Luc, Dewilde Sylvia, Van Doorslaer Sabine
Abstract excerpt
The function of neuroglobin, a member of the vertebrate globin family, is still unknown. In human neuroglobin (NGB), the formation of a disulfide bridge between the CysCD7 and CysD5 is known to affect the heme environment and its ligand-binding kinetics. Here, we show by means of EPR that the PheB10 residue plays a key role in transmitting the structural information from the disulfide bridge to the heme-pocket...
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