Recombinant Escherichia coli Aquaporin Z (aqpZ) (Active)

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Code: CSB-CF352724ENV
Size:
20ug
20ug100ug
US$1620
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Express system: in vitro E.coli expression system
Species: Escherichia coli (strain K12)
Tag Info: N-terminal 6xHis-tagged
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Product Details

Abbreviation
Recombinant E.coli AQPZ protein (Active)
Purity
Greater than 90% as determined by SDS-PAGE.
Activity
Measured by its binding ability in a functional ELISA. Immobilized aqpZ at 5 μg/ml can bind E.coli ytfE, the EC50 of E.coli ytfE protein is 197.90-259.70 μg/ml.
Target Names
aqpZ
Uniprot NO.
Research Area
Microbiology
Alternative Names
aqpZ; bniP; b0875; JW0859; Aquaporin Z; Bacterial nodulin-like intrinsic protein
Species
Escherichia coli (strain K12)
Source
in vitro E.coli expression system
Expression Region
1-231aa
Target Protein Sequence
MFRKLAAECFGTFWLVFGGCGSAVLAAGFPELGIGFAGVALAFGLTVLTMAFAVGHISGGHFNPAVTIGLWAGGRFPAKEVVGYVIAQVVGGIVAAALLYLIASGKTGFDAAASGFASNGYGEHSPGGYSMLSALVVELVLSAGFLLVIHGATDKFAPAGFAPIAIGLALTLIHLISIPVTNTSVNPARSTAVAIFQGGWALEQLWFFWVVPIVGGIIGGLIYRTLLEKRD
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
Mol. Weight
27.7kDa
Protein Length
Full Length
Tag Info
N-terminal 6xHis-tagged
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.
Buffer
Tris-based buffer,50% glycerol
Storage
Store at -20°C/-81°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Lead Time
3-7 business days
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.
Shelf Life
The shelf life is related to many factors, storage state, storage temperature and the stability of the product itself. Generally, the shelf life of lyophilized form is 6 months at -20°C/-80°C from the date of receipt.
Troubleshooting and FAQs
Datasheet & COA
Please contact us to get it.
Images
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

  • Activity
    Measured by its binding ability in a functional ELISA. Immobilized aqpZ at 5 μg/ml can bind E.coli ytfE, the EC50 of E.coli ytfE protein is 197.90-259.70 μg/ml.

Description

Aquaporin Z serves as a critical water channel in *E. coli*, and this full-length recombinant form (aa 1–231) retains confirmed binding activity, with functional ELISA demonstrating interaction with YtfE at an EC50 of 197.90–259.70 μg/ml when immobilized at 5 μg/ml. This validated protein–protein interaction supports use in ligand-binding assays, membrane transporter functional studies, and ELISA standard development where confirmed conformational integrity is essential. The N-terminal 6xHis tag facilitates oriented immobilization for surface plasmon resonance or pull-down experiments, enabling drug-protein binding studies and structural or biophysical characterization of channel architecture. Produced using an in vitro *E. coli* expression system, this preparation achieves greater than 90% purity by SDS-PAGE, providing a suitable basis for antibody development campaigns and quantitative binding assays that demand minimal background interference.

Customer Reviews and Q&A

 Customer Reviews

Target Background

Function(From Uniprot)
Channel that permits osmotically driven movement of water in both directions. It is involved in the osmoregulation and in the maintenance of cell turgor during volume expansion in rapidly growing cells. It mediates rapid entry or exit of water in response to abrupt changes in osmolarity.
Gene References into Functions
  1. Induction of an immune response against AqpZ or its homologous regions can also trigger an autoimmune reaction against human Aqp4 and inflammation of the central nervous system. PMID:23008451
  2. Data show that the open and closed states of AqpZ directly relate to the side chain conformation of residue R189. PMID:21315687
  3. the 2.5 A resolution structure of AqpZ suggests aquaporin selectivity results both from a steric mechanism due to pore size and from specific amino acid substitutions that regulate the preference for a hydrophobic or hydrophilic substrate PMID:14691544
  4. the difference in Arg-189 displacements is correlated with a strong electron density between first transmembrane helices of two open channels; the observed Arg-189 conformations are stabilized by asymmetrical subunit interactions in tAqpZ PMID:16239219
  5. analysis of of Escherichia coli aquaporin AqpZ and GlpF single-channel water permeabilities PMID:16399837
  6. biochemical analysis of permeability and solute transport characteristics of amphiphilic triblock-polymer vesicles containing the bacterial water-channel protein Aquaporin Z PMID:18077364

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Subcellular Location
Cell inner membrane; Multi-pass membrane protein.
Protein Families
MIP/aquaporin (TC 1.A.8) family
Database Links
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