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pComb3XLambda vector

For research use only. Not intended for any clinical use.
Cat.No.
VPT4015
Description
VPT4015 is only needed for the construction of chimeric Fab libraries. VPT4015 contains a non-functional Fab from which the lambda light chain constant region can be amplified.
Promoter
LacZ
Resistance
Amp
Selection
Ampicillin
Tag
His6;HA
Vector Length
4754 bp
Vector Type
Phagemid vector
Vector Map

Background

Applications

Publications

Q & A

Customer Reviews

The pComb3XLambda vector, specifically designed for constructing chimeric Fab libraries, plays a pivotal role in generating antibody libraries. It contains a non-functional Fab fragment from which the lambda light chain constant region can be amplified. This gives rise to much-needed diversity in chimeric antibody libraries, because the variety of light chains can significantly impact the ultimate functionality of the produced antibodies. This vector is part of the more advanced pComb3X series, which is an updated and enhanced version of pComb3 vectors. The pComb3X series brings invaluable improvements, including increased stability and the integration of an asymmetric SfiI cassette. This cassette expedites the advantageous process of directional cloning. In addition to full Fab fragments, the cassette facilitates the cloning of scFv (single-chain variable fragment), peptides, and other proteins pertinent to phage display - a technique for studying protein–protein, protein–peptide, and protein–DNA interactions. Moreover, pComb3XLambda vector features 6xHis and HA tags. These highly beneficial attributes expedite downstream processes like purification and detection of the expressed proteins. The pComb3XLambda vector contains an amber stop codon. This special codon halts the expression of the pIII fusion protein by shifting the host to a non-suppressor strain of E. coli. This spontaneous termination of translation allows scientists to produce soluble protein directly from the clone, thereby bypassing the time and effort-consuming subcloning process. Scientists may also opt to remove the gene for phage protein pIII by SpeI/NheI digestion.
The pComb3X Lambda Vector serves a critical role in biological research, particularly in the development and creation of recombinant antibodies. The chief application of this vector is to facilitate the construction of chimeric antibody libraries through the amplification of the lambda light chain constant region. This process greatly aids in antibody engineering, subsequently aiding drug development and various therapeutic applications. The pComb3X Lambda Vector is instrumental in building such chimeric antibody libraries. Primarily, it operates as a template for the magnification of the lambda light chain constant region. The lambda light chain constant region is a crucial element of an antibody, involved in the processes that determine its capability to bind to antigens. By amplifying this region, it becomes feasible to engineer antibodies that can increase affinity, specificity, and overall effectiveness. In practice, the DNA containing the gene of interest is introduced into the pComb3X Lambda Vector. The inherent features of the vector allow the inserted DNA to be replicated during bacterial cell division. The cloned gene can then be isolated and examined separately - generally, to observe gene functionality or expression within various settings. More importantly, the amplified gene can be used to construct chimeric antibody libraries. By experimenting with various combinations of the amplified variable and constant regions, a plethora of antibodies with unique properties can be created. This opens doors to the design of more effective and specific therapeutic antibodies, which ultimately benefit during the drug development process. Additionally, the use of pComb3X Lambda Vector significantly streamlines the gene cloning process. It also improves efficiency in screening for antibody candidates, leading to a faster, more accurate pinpointing of suitable antibodies for further development.
Customer Q&As
What are the applications of pComb3XLambda vector?

A: pComb3XLambda can be used as a template to amplify the lambda light chain constant region for the construction of chimeric antibody libraries.

What is lambda light chain?

A: Lambda light chains are one of the two types of light chains present in antibodies or immunoglobulins. Each antibody is made up of two heavy chains and two light chains.

What is the function of lambda light chain?

A: Lambda light chains link together with other proteins (heavy chains) to form immunoglobulins (also known as antibodies) that target and neutralize specific threats to the body such as bacteria and viruses.

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Customer Reviews
Excellent tool

The pComb3XLambda vector is an excellent tool for constructing chimeric antibody libraries by amplifying the lambda light chain constant region. Using this vector ensures the accuracy and efficiency of the cloning process.

United States

01/17/2020

Save time and effort

I am highly impressed with the applications of the pComb3XLambda vector. It has revolutionized the way we build chimeric antibody libraries, allowing for precise replication of the lambda light chain constant region.

United States

03/06/2023

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