SEARCH Articles Figures Tables Direct electron transfer of protein myoglobin Evolution of myoglobin/hemoglobin proteins Heme proteins myoglobin Heme proteins myoglobin reconstitution Iron-containing proteins myoglobins Myoglobin Myoglobin , tertiary protein structure Myoglobin ligand-protein interaction Myoglobin-like protein Porphyrin-containing proteins myoglobins Protein sperm whale myoglobin