His Tag Antibody (3D5) - Chimeric - Azide and BSA Free

Novus Biologicals | Catalog # NBP2-81022

Recombinant Monoclonal Antibody
Novus Biologicals
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Key Product Details

Species Reactivity

Epitope Tag

Applications

Western Blot, ELISA

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Armenian Hamster IgG Kappa Clone # 3D5

Format

Azide and BSA Free
View all His Tag Primary Antibodies »

Product Specifications

Immunogen

This His Tag Antibody (3D5) - Chimeric was developed against a purified his-tagged Fab fragment.

Specificity

This antibody binds to carboxy-terminal oligo-histidine tags (6x His tags) of fusion proteins. It also has affinity for internal His-tags but no affinity for N-terminal His-tags.

Clonality

Monoclonal

Host

Armenian Hamster

Isotype

IgG Kappa

Applications for His Tag Antibody (3D5) - Chimeric - Azide and BSA Free

Application
Recommended Usage

ELISA

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
This is a chimeric hamster antibody, based on the original mouse IgG2b format, created for improved compatibility with existing reagents, assays and techniques.

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

PBS

Format

Azide and BSA Free

Preservative

0.02% Proclin 300

Concentration

1 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C for up to 3 months. For longer storage, aliquot and store at -20C.

Background: His Tag

A his-tag (also known as histidine tag or polyhistidine tag) is a common epitope tag that typically consists of at least 6 histidine residues fused to either the carboxyl (C-) or amino (N-) terminus of a targeted recombinant protein to facilitate its purification and detection (1). The most common his-tag is the hexahistidine (His6/6-His) tag which has a theoretical molecular weight of 0.8kda (1). The histidine residues readily interact with transition metal ions such as Co2+, Ni2+, Cu2+, and Zn2+, making immobilized metal-affinity chromatography (IMAC) the preferred technique for his-tag purification (1, 2). Metal ions are immobilized and bound to by His-tags in the IMAC column via the histidine imidazole ring. The tagged protein can be eluted off the column by washing with buffers containing a low concentration of imidazole (1, 2). Due to its relatively small size, low immunogenicity, versatility under denaturing conditions, and minimal interference with the structure and function of proteins, the his-tag is one of the most widely used tags for protein purification (1-3).

References

1. Malhotra, A. (2009). Tagging for protein expression. Methods in Enzymology, Guide to Protein Purification, 2nd Edition, 463, 239-258. https://doi.org/10.1016/s0076-6879(09)63016-0

2. Terpe, K. (2003). Overview of tag protein fusions: from molecular and biochemical fundamentals to commercial systems. Applied Microbiology and Biotechnology, 60(5), 523-533. https://doi.org/10.1007/s00253-002-1158-6

3. Booth, W. T., Schlachter, C. R., Pote, S., Ussin, N., Mank, N. J., Klapper, V.,... Chruszcz, M. (2018). Impact of an N-terminal polyhistidine tag on protein thermal stability. ACS Omega, 3(1), 760-768. https://doi.org/10.1021/acsomega.7b01598

Long Name

Histidine Tag

Alternate Names

polyHistidine

Additional His Tag Products

Product Documents for His Tag Antibody (3D5) - Chimeric - Azide and BSA Free

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Product Specific Notices for His Tag Antibody (3D5) - Chimeric - Azide and BSA Free

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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