title: Protein labeling by reductive alkylation.
mesh_terms: D000478:Alkylation; D002250:Carbon Radioisotopes; D005557:Formaldehyde; D007202:Indicators and Reagents; D007553:Isotope Labeling / Q000379:methods; D008745:Methylation; D010084:Oxidation-Reduction; D011506:Proteins
chemical_list: D002250:Carbon Radioisotopes; D007202:Indicators and Reagents; D011506:Proteins; D005557:Formaldehyde