Rab11b (基因名), Ras-related protein Rab-11B (蛋白名), rb11b_rat.
通用注释
亚单元:
Interacts with KCNMA1 (By similarity). Interacts with RAB11FIP1, RAB11FIP2, RAB11FIP3 and RAB11FIP4. May interact with TBC1D14. Interacts with ATP6V1E1. Interacts with PI4KB.
功能:
The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different set of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. That Rab plays a role in endocytic recycling, regulating apical recycling of several transmembrane proteins including cystic fibrosis transmembrane conductance regulator/CFTR, epithelial sodium channel/ENaC, potassium voltage-gated channel, and voltage-dependent L-type calcium channel. May also regulate constitutive and regulated secretion, like insulin granule exocytosis. Required for melanosome transport and release from melanocytes. Also regulates V-ATPase intracellular transport in response to extracellular acidosis.
亚细胞位置:
Recycling endosome membrane
Lipid-anchor
Cytoplasmic side
Cytoplasmic vesicle
Secretory vesicle
Synaptic vesicle membrane
Lipid-anchor
Cytoplasmic side
Cytoplasmic vesicle
Phagosome membrane
Lipid-anchor
Cytoplasmic side
Recruited to phagosomes containing S.aureus.
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