2.1.1.22 brain low activity 485238 2.1.1.22 heart low activity 485238 2.1.1.22 kidney - 485238 2.1.1.22 kidney about the same activity as in muscle 485238 2.1.1.22 kidney much lower activity than in muscle 485238 2.1.1.22 liver 20% of activity in muscle 485238 2.1.1.22 liver same activity than in muscle 485238 2.1.1.22 lung - 485238 2.1.1.22 muscle - 485238, 485239, 734309 2.1.1.22 muscle pectoral muscle 735092