2.1.1.11	down	the decrease of the methylation index, the S-adenosyl-L-methionine - S-adenosyl-L-homocysteine ratio, reduces the activity of Mg-protoporphyrin IX methyltransferase, gene expression and protein concentration remain unchanged	700486	
2.1.1.11	up	the H subunit of Mg chelatase, ChlH, stimulates ChlM activity	695554