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SpoVAD possesses a thiolase-like fold and acts as a cytoplasmic plug controlling the SpoVA channel
"Summarizes SpoVA operon (spoVAA-spoVAF) localization to inner membrane, minimal channel composition (SpoVAC + SpoVAEb + SpoVAD) and model of SpoVAD as a cytoplasmic "plug" regulating Ca-DPA accumulation/release"
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The minimal SpoVA channel is composed of SpoVAC, SpoVAEb, and SpoVAD
"SpoVAF with FigP assembles an auxiliary oligomeric ion channel that amplifies germinant-triggered ion release; SpoVAC, SpoVAEb and SpoVAD comprise a minimal Ca-DPA transport module"
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SpoVA proteins are localized to the spore inner membrane
"SpoVA proteins, including SpoVAD, are localized to the spore inner membrane"
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GerA germinant receptors are nutrient-gated ion channels and SpoVA is required downstream for DPA export
"GerA receptors form oligomeric nutrient-gated ion channels whose ion release initiates DPA/Ca2+ mobilization from spores; SpoVA required downstream for DPA export"