Recombinant Human Vesicle-associated membrane protein 4 (VAMP4)

Code CSB-CF025783HU
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Source in vitro E.coli expression system
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Product Details

Target Names
VAMP4
Uniprot No.
Alternative Names
VAMP4; Vesicle-associated membrane protein 4; VAMP-4
Species
Homo sapiens (Human)
Expression Region
1-141
Target Protein Sequence
MPPKFKRHLNDDDVTGSVKSERRNLLEDDSDEEEDFFLRGPSGPRFGPRNDKIKHVQNQVDEVIDVMQENITKVIERGERLDELQDKSESLSDNATAFSNRSKQLRRQMWWRGCKIKAIMALVAAILLLVIIILIVMKYRT
Protein Length
full length protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

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Target Background

Function
Involved in the pathway that functions to remove an inhibitor (probably synaptotagmin-4) of calcium-triggered exocytosis during the maturation of secretory granules. May be a marker for this sorting pathway that is critical for remodeling the secretory response of granule.
Gene References into Functions
  1. Syntaxin 6 and VAMP4 colocalize to the chlamydial inclusion. PMID: 23798538
  2. Data indicate that depletion of VAMP4, syntaxin 6, syntaxin 16, and Vti1a disrupted the Golgi ribbon structure. PMID: 23677696
  3. colocalization of ATP11B with fluorescent cisplatin and with vesicular trafficking proteins, such as STX6 and VAMP4, strongly suggests that ATP11B contributes to secretory vesicular transport of cisplatin from Golgi to plasma membrane PMID: 23585472
  4. The findings of this study suggested that VAMP4 and syb2 diverge functionally, traffic independently and support distinct forms of neurotransmission PMID: 22406549
  5. VAMP7 is involved in many fusion processes and thus plays a more general function in NK-cell activity than VAMP4. PMID: 21805468

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Subcellular Location
Golgi apparatus, trans-Golgi network membrane; Single-pass type IV membrane protein. Note=Associated with trans Golgi network (TGN) and newly formed immature secretory granules (ISG). Not found on the mature secretory organelles.
Protein Families
Synaptobrevin family
Database Links

HGNC: 12645

OMIM: 606909

KEGG: hsa:8674

STRING: 9606.ENSP00000236192

UniGene: Hs.6651

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