The phosphate carrier (PiC) is a proton/phosphate symporter which transports negatively charged inorganic phosphate across the inner mt-membrane. The transport can be described either as symport of H+ with Pi, or antiport of hydroxide anion against Pi. The phosphate carrier is a component of the phosphorylation system.
Reference: Ferreira 1993 J Bioenerg Biomembr
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MitoPedia topics: Enzyme