Distal His----Arg mutation in bovine myoglobin results in a ligand binding site similar to the abnormal beta site of hemoglobin Zurich (beta 63 His----Arg).
1989
https://researcherprofiles.org/profile/1461748
18514096
Shimada H, Dong A, Matsushima-Hibiya Y, Ishimura Y, Caughey WS