Article
Replacement of the axial histidine heme ligand with cysteine in nitrophorin 1: spectroscopic and crystallographic characterization.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry - 1 Feb 2009
Vetter Stefan W, Terentis Andrew C, Osborne Robert L, Dawson John H, Goodin David B
Abstract excerpt
To evaluate the potential of using heme-containing lipocalin nitrophorin 1 (NP1) as a template for protein engineering, we have replaced the native axial heme-coordinating histidine residue with glycine, alanine, and cysteine. We report here the characterization of the cysteine mutant H60C_NP1 by spectroscopic and crystallographic methods. The UV/vis, resonance Raman, and magnetic circular dichroism spectra...
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