His Tag Antibody (3D5) [DyLight 755] Summary
Recombinant Monoclonal Antibody.
Purified his tagged Fab fragment.
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.
Protein A purified
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Optimal dilution of this antibody should be experimentally determined.
Packaging, Storage & Formulations
Store at 4C in the dark.
50mM Sodium Borate
0.05% Sodium Azide
Protein A purified
Dylight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries. This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.
Alternate Names for His Tag Antibody (3D5) [DyLight 755]
- 6 His epitope tag
- 6-His Tag
- 6X His Tag
- 6X His
- 6x-His Tag
- Hexa His tag
- HHHHHH epitope tag
- HHHHHH tag
- His Tag
- polyhistidine 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).
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
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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