Even so, an INMT found in rabbit lung was demonstrated to have a Considerably bigger Km (270 uM, Thompson and Weinshilboum, 1998; 340 uM, Raisanen and Karkkainen, 1978) as opposed to Mind enzyme in rats. This instructed that INMT may exist in many isoenzyme kinds among species And perhaps even inside the similar animal, Every having distinctive Km'