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V-type proton ATPase catalytic subunit A

UniProt Number: P17255
Alternate Names: Vacuolar proton pump subunit A, VMA1
Structure and Function: Catalytic subunit of the peripheral V1 complex of vacuolar ATPase. V-ATPase (vacuolar ATPase) is responsible for acidifying a variety of intracellular compartments in eukaryotic cells. It is an electrogenic proton pump that generates a proton motive force of 180 mV, inside positive and acidic, in the vacuolar membrane vesicles. It may participate in maintenance of cytoplasmic Ca2+ homeostasis. This is a catalytic subunit. PI-SceI is an endonuclease that can cleave at a site present in a VMA1 allele that lacks the derived endonuclease segment of the open reading frame; cleavage at this site only occurs during meiosis and initiates "homing", a genetic event that converts a VMA1 allele lacking VDE into one that contains it.
Disease Associations:  

Monoclonal Antibodies
Cat. No. Name Reactivity Apps. Amount
MSZ01 VMA1 antibody Yeast ICC, WB 250 µg

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