VPS21 Antibody

Code CSB-PA334064XA01SVG
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Product Details

Full Product Name
Rabbit anti-Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) VPS21 Polyclonal antibody
Uniprot No.
Target Names
VPS21
Alternative Names
VPS21 antibody; VPS12 antibody; VPT12 antibody; YPT21 antibody; YPT51 antibody; YOR089C antibody; YOR3154C antibody; Vacuolar protein sorting-associated protein 21 antibody; GTP-binding protein YPT51 antibody; Vacuolar protein-targeting protein 12 antibody
Raised in
Rabbit
Species Reactivity
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Immunogen
Recombinant Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) VPS21 protein
Immunogen Species
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Conjugate
Non-conjugated
Clonality
Polyclonal
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Tested Applications
ELISA, WB (ensure identification of antigen)
Protocols
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Value-added Deliverables
① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);
Quality Guarantee
① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;
Lead Time
Made-to-order (14-16 weeks)
Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.

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Target Background

Function
Required for protein transport to the vacuole. Involved in two vesicle trafficking steps to the prevacuolar compartment (PVC), regulating the docking of endosomes and Golgi vesicles to the PVC by interacting with PEP7/VAC1 on the PVC membrane and promoting SNARE complex formation.
Gene References into Functions
  1. Data indicate that efficient Vps21 recycling requires both Ypt7 and endosome-vacuole fusion, thus suggesting extended control of a GAP cascade beyond Rab interactions. PMID: 25971802
  2. Endosomal class E compartments accumulate chronically active Vps21, the yeast Rab5A ortholog. PMID: 22899724
  3. CORVET (class C core vacuole/endosome tethering) binds to SNAREs and Rab5/Vps21-GTP and can specifically tether Vps21-positive membranes. PMID: 23417307
  4. Gyp3 spatially restricts active Vps21 to intermediate endosomes. PMID: 22748138
  5. Msb3 forms a specific transition complex with Vps21 and has the highest activity of all recombinant GAPs for Vps21 PMID: 22593206
  6. regulation of PI(3)P synthesis by Rab5 and Vps21 is essential for TORC1 function in both contexts. PMID: 22547071
  7. Data show that that Vps21, a Saccharomyces cerevisiae ortholog of mammalian endosomal Rab5, functions in trans with itself and with at least two other endosomal Rabs to directly mediate GTP-dependent tethering. PMID: 22157956
  8. Vps8 interacts and cooperates with the activated Rab5 homolog Vps21 to induce the clustering of late endosomal membranes. PMID: 19828734
  9. Transport among Golgi, endosome, and vacuole is controlled by two homologous tethering complexes, the previously identified HOPS complex at the vacuole and a novel endosomal tethering (CORVET) complex, which interacts with the Rab GTPase Vps21. PMID: 17488625

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Subcellular Location
Endosome membrane; Lipid-anchor. Mitochondrion membrane; Lipid-anchor.
Protein Families
Small GTPase superfamily, Rab family
Database Links

KEGG: sce:YOR089C

STRING: 4932.YOR089C

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