NMMA References and Link 1) Paik WK and Kim S: Enzymatic methylation of protein fractions from calf thymus nuclei. Biochem Biophys Res Commun 29, 14-20 (1967) (http://www.ncbi.nlm.nih.gov/pubmed/6055181) 2) Kakimoto Y and Akazawa S: Isolation and identification of NG, NG- and NG, N’G -dimethylarginine, N-epsilon-mono, di, trimethyllysine and glucosyl, galactosyl and galactosyl-delta-hydroxylysine from human urine. J Biol Chem 245, 5751-5758（1970） (http://www.ncbi.nlm.nih.gov/pubmed/5472370) 3) Nakajima T, Matsuoka Y and Kakimoto Y: Isolation and identification of NG- monomethyl-, NG, NG-dimethyl- and NG, N’G-dimethylarginine from the hydrolysates of bovine brain. Biochim Biophys Acta 230, 212-222（1970） (http://www.ncbi.nlm.nih.gov/pubmed/5573356) 4) Vallance P, Leone P, Calver A, Collier J and Moncada S: Accumulation of an endogenous inhibitor of nitric oxide synthesis in chronic renal failure. Lancet 339, 572-575（1992） (http://www.ncbi.nlm.nih.gov/pubmed/1347093) 5) Shirakawa T, Kako K, Shimada T, Nagashima Y, Nakamura Y, Ishida J and Fukamizu A: Production of free methylarginines via the proteasome and autophagy pathways in cultured cells. Mol Med Rept 4, 615-620 (2011) (http://www.ncbi.nlm.nih.gov/pubmed/21584492)