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Hyperactive antifreeze protein from beetles
TLDR
A purified thermal hysteresis protein, with up to 100 times the specific activity of fish antifreeze proteins, from the common yellow mealworm beetle, Tenebrio molitor, is purified.
Glycine-Rich Antifreeze Proteins from Snow Fleas
TLDR
These 6.5- and 15.7-kilodalton thermolabile proteins are glycine-rich, and the short isoform is composed of the tripeptide repeat Gly-X-X, suggesting independent adaptation to freezing environments.
V1-situated Stalk Subunits of the Yeast Vacuolar Proton-translocating ATPase*
TLDR
It is shown that the in vivo stability of Vma4p is dependent upon interaction with Vma10p, which may be important in the regulation of assembly, since these two subunits add to the V1 during later stages of V1 assembly.
VMA11 and VMA16 Encode Second and Third Proteolipid Subunits of the Saccharomyces cerevisiae Vacuolar Membrane H+-ATPase*
TLDR
Results suggest that the three proteolipid subunits of the V-ATPase have similar but not redundant functions, each of which is most likely involved in proton transport activity of the enzyme complex.
Composition and assembly of the yeast vacuolar H(+)-ATPase complex.
TLDR
The proton-translocating ATPase (H(+)-ATPase) found on the membrane of the yeast vacuole is the best characterized member of the V-type ATPase family and 14 genes, the majority designated VMA (for vacuolar membrane ATPase) encoding subunits of the enzyme complex are identified.
Structure and Assembly of the Yeast V-ATPase
TLDR
The yeast V-ATPase belongs to a family of V-type ATPases present in all eucaryotic organisms and homologues of the Vma21p assembly factor have been identified in many higher eukaryotes supporting a ubiquitous assembly pathway for this important enzyme complex.
Lateral Transfer of a Lectin-Like Antifreeze Protein Gene in Fishes
TLDR
It is proposed that lateral gene transfer has resulted in the occurrence of the type II AFPs in herring, smelt and sea raven and allowed these species to survive in an otherwise lethal niche.
Role of Vma21p in assembly and transport of the yeast vacuolar ATPase.
TLDR
It is concluded that Vma21p is not involved in regulating the interaction between V0 and V1 sectors, but that it has a crucial role in coordinating the assembly of V0 subunits and in escorting the assembled V0 complex into ER-derived transport vesicles.
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