Tyrosine B10 triggers a heme propionate hydrogen bonding network loop with glutamine E7 moiety.

Abstract excerpt

Propionates, as peripheral groups of the heme active center in hemeproteins have been described to contribute in the modulation of heme reactivity and ligand selection. These electronic characteristics prompted the question of whether the presence of hydrogen bonding networks between propionates and distal amino acids present in the heme ligand moiety can modulate physiological relevant events, like ligand...

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