x1 = cpep
x2 = cglcex
x3 = cg6p
x4 = cpyr
x5 = cf6p
x6 = cg1p
x7 = cpg
x8 = cfdp
x9 = csed7p
x10 = cgap
x11 = ce4p
x12 = cxyl5p
x13 = crib5p
x14 = cdhap
x15 = cpgp
x16 = cpg3
x17 = cpg2
x18 = cribu5p
x19 = accoa
x20 = malcoa
x21 = fer
x22 = fer_ext
x23 = fercoa
x24 = ferdicoa
x25 = cur
x26 = cur_ext