The vacuolar (H+)-ATPase: subunit arrangement and in vivo regulation
β Scribed by Jie Qi; Yanru Wang; Michael Forgac
- Publisher
- Springer US
- Year
- 2007
- Tongue
- English
- Weight
- 127 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0145-479X
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## Abstract The 16 kD subunit of vacuolar H^+^βATPase (VβATPase) is essential for pumping protons into intracellular organella. Northern blot analysis revealed that the 16 kD subunit of VβATPase is abundantly expressed in rat brain, and that the amount of transcripts is higher in the postnatal 15 d
Two distinct mechanisms have been shown to mediate cytoplasmic p H (pH,) recovery in acid-loaded peritoneal macrophages (M+s): Na+/H+ exchange and H + extrusion by vacuolar-type (V-type) H+ ATPases. The present studies examined the relative roles of these two systems in maintaining pH, and cell func