Ferro A M, Kuehl L
Biochim Biophys Acta. 1975 Dec 18;410(2):285-9. doi: 10.1016/0005-2744(75)90231-4.
Adenosine triphosphate : nicotinamide mononucleotide adenylyltransferase (EC 2.7.7.1) has been purifiec approximately 3500-fold from an extract of pig liver nuclei to a specific activity of 40 mumol of NAD+ per min per mg protein. The enzyme was found to have a molecular weight of 203 000, a frictional ratio of 1.6 and an isoelectric point of approximately 5. Michaelis constants for ATP and NMN were 0.11 mM and 0.12 mM, respectively.
烟酰胺单核苷酸腺苷酰转移酶(EC 2.7.7.1)已从猪肝细胞核提取物中纯化了约3500倍,比活性达到每毫克蛋白质每分钟40微摩尔NAD⁺。发现该酶的分子量为203000,摩擦比为1.6,等电点约为5。ATP和NMN的米氏常数分别为0.11 mM和0.12 mM。