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Biotinylated Onchocerca volvulus OV16 protein, Avi,GST Tag

分子别名(Synonym)

OV16,OV-16 antigen

表达区间及表达系统(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

蛋白结构(Molecular Characterization)

OV16 Structure

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

The protein has a calculated MW of 48.6 kDa. The protein migrates as 46-50 kDa under reducing (R) condition (SDS-PAGE).

标记(Labeling)

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

蛋白标记度(Protein Ratio)

Passed as determined by the HABA assay / binding ELISA.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

>90% as determined by SEC-MALS.

制剂(Formulation)

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

Contact us for customized product form or formulation.

重构方法(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.

存储(Storage)

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.
 

电泳(SDS-PAGE)

OV16 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 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.

Report

背景(Background)

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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