Nitric oxide oxidoreductase%3B flavohemoglobin that plays role in oxidative and nitrosative stress responses%3B protects against nitration of cellular targets and against cell growth inhibition under aerobic or anaerobic conditions%3B yeast flavohemoglobin Yhb1p and human homolog neuroglobin NGB protect cells against alpha-synuclein cytotoxicity and aggregate formation%3B protein increases in abundance%2C relocalizes from nucleus to cytoplasmic foci upon DNA replication stress