More to the point, while MNTA uses some enzymes that are in the public domain -- such as the heparanases (of which there are three, with the third being relatively uncommon) -- they have their own stable of proprietary enzymes. These are also used in oligosaccharide analysis, and they are probably one of the cornerstones of MNTA's analytical advantage over competitors. As they are proprietary, I do not know what they are or what specifically makes them different. They might cleave at different spots, or they might operate under conditions (temperature or pH, say) that heparanases would not.
Regards, RockRat
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