Ammonia reversible transport
nh4_e ⇌ nh4_c
(-999999.0, 999999.0)
0.0
Transport, Extracellular
YNL142W or YPR138C or YGR121C
YGR121C
(MEP1)
YPR138C
(MEP3)
YNL142W
(MEP2)