x1 = NatP
x2 = MisP
x3 = Ub
x4 = E1
x5 = E2
x6 = E3
x7 = DUB
x8 = Proteasome
x9 = ROS
x10 = E1_Ub
x11 = E2_Ub
x12 = E3_MisP
x13 = MisP_Ub
x14 = MisP_Ub2
x15 = MisP_Ub3
x16 = MisP_Ub4
x17 = MisP_Ub5
x18 = MisP_Ub6
x19 = MisP_Ub7
x20 = MisP_Ub8
x21 = MisP_Ub4_Proteasome
x22 = MisP_Ub5_Proteasome
x23 = MisP_Ub6_Proteasome
x24 = MisP_Ub7_Proteasome
x25 = MisP_Ub8_Proteasome
x26 = ATP
x27 = ADP
x28 = AMP
x29 = Source
x30 = degUb4
x31 = degUb5
x32 = degUb6
x33 = degUb7
x34 = degUb8
x35 = totMisP
x36 = refNatP
x37 = AggP
x38 = SeqAggP
x39 = AggP_Proteasome