Succinate:fumarate antiporter (periplasm)
succ_c + fum_p ⇌ fum_c + succ_p
(-999999.0, 999999.0)
0.0
b0621 or b4138 or b4123
b0621
(dcuC)
b4138
(dcuA)
b4123
(dcuB)