Nitrite reduction 4 Amino acids 2 Biological thiols 2 Catalysis 2 Charge transfer 2 Dehydration 2 Denitrification 2 Dimethyl sulfide 2 Hemeproteins 2 Iron compounds 2 Ischemia/reperfusion 2 Linear transformations 2 Nitric Oxide 2 Nitrites 2 Nitrogen Oxides 2 Nitrogen compounds 2 Oxidation 2 Oxidation-Reduction 2 Oxygen atom transfer 2 Phosphorus compounds 2 Potential mechanism 2 Proteins 2 Reactive intermediate 2 Redox transformations 2 Reduction 2 Reduction potential 2 X-ray structures 2 aqueous solution 2 article 2 cysteine 2