• nitrogen
  • The necessity for this ligand also connects the high concentration of nitrogen, reflected in excess of glutamate and arginine to produce NAG, to an increase in CPSI activity to clear this excess. (wikipedia.org)
  • Sometimes the body does not produce enough CPSI due to a mutation in the genetic code, resulting in poor metabolism of proteins and nitrogen, as well as high levels of ammonia in the body. (wikipedia.org)