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Biotinylated Onchocerca volvulus OV16 protein, Avi,GST Tag

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Product Number/Spec
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OV6-V81G9-25ug
$300.00
In Stock - Delivery in 2-3 business days
OV6-V81G9-200ug
$1110.00
In Stock - Delivery in 2-3 business days
Gesamtanzahl Product Amount$ 0

Product Details

  • Synonyms

    OV16 (Onchocerca volvulus)

  • Source

    Biotinylated Onchocerca volvulus OV16 protein, Avi,GST Tag (OV6-V81G9) is expressed from E. coli cells. It contains AA Lys 17 - Asp 197 (Accession # P31729-1).

    Predicted N-terminus: Met

    Request for sequence
  • Molecular Characterization

    OV16 (Onchocerca volvulus) Structure

    Other Tags and Version Biotin & Other Labeled Version

    This protein carries an Avi tag (Avitag™) at the N-terminus, followed by a GST tag.

    The protein has a calculated MW of 48.8 kDa. The protein migrates as 46-50 kDa under reducing (R) condition (SDS-PAGE).

    The protein is designed as a dimer.

  • Labeling

    Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

  • Protein Ratio

    Passed as determined by the SABA assay / HABA assay / binding ELISA.

  • Purity

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Shipping and Storage

    This product is shipped at ambient temperature.

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
  • ACRO Quality Management System

    1. QMS(ISO, GMP)
    2. Quality Advantages
    3. Quality Control Process

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Data Display

  • SDS-PAGE

    OV16 (Onchocerca volvulus) SDS-PAGE

    Biotinylated Onchocerca volvulus OV16 protein, Avi,GST Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

  • SEC-MALS

    OV16 (Onchocerca volvulus) SEC-MALS

    The purity of Biotinylated Onchocerca volvulus OV16 protein, Avi,GST Tag (Cat. No. OV6-V81G9) is more than 90% and the molecular weight of this protein is around 90-105 kDa verified by SEC-MALS.

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FAQ

  • product

    Can lyophilized proteins remain stable during room-temperature shipping or temporary room-temperature exposure?

    In general, lyophilized proteins remain stable during room-temperature shipping or temporary exposure to room-temperature conditions.


    Many ACROBiosystems recombinant proteins are supplied in lyophilized (freeze-dried) form. The lyophilization process effectively removes moisture from the product, helping reduce degradation-related reactions and improve protein stability during transportation and storage.


    To evaluate the stability of lyophilized proteins under normal temperature conditions, ACROBiosystems conducted a stability study on 11 representative lyophilized protein products at 37°C. The study demonstrated that these proteins maintained good quality stability after storage at 37°C for approximately 20 days. Based on these validation results, temporary room-temperature exposure during shipping or handling is generally not expected to have a significant impact on product quality or downstream application performance.


    To ensure optimal long-term stability, products should be stored according to the storage conditions specified in the product Certificate of Analysis (COA) upon receipt.


    Supporting Document


Background Introduction

The OV16 antigen, localizes to the hypodermis, cuticle, and uterus of female O. volvulus is regarded as a highly sensitive and specific antigen for detection of IgG4 in people with prior exposure to onchocerciasis. It has an open reading frame that encodes a 152- amino acid polypeptide containing a 16-amino acid putative signal peptide. Enzyme-linked Immunosorbent Assay serological testing of OV-16 antigen is a diagnostic tool for determining effective elimination of the parasite.

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