Assertion: active transport's gradient | /r/HasProperty | established by the v-type h+/atpase
Facets:
value: to drive neurotransmitter molecules
type: PURPOSE
Source sentences:
text: For example, H+/neurotransmitter exchangers use the H+ electrochemical gradient (proton electromotive force) established by the V-type H+/ATPase to drive neurotransmitter molecules against a concentration gradient into the lumen of synaptic vesicles.