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MacVector, Inc • PO Box 1147Apex • North Carolina 27502 • USA

phone: +1-919-303-7450 • toll free: +1-866-338-0222 • fax: +1-919-303-7449

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Searching for Sequencing Primers/Hybridization Probes

You can use MacVector to identify suitable primers to use in sequencing reactions or as hybridization probes. In its simplest form, you simply define the approximate region of the DNA and the strand where the probe should bind and MacVector will generate a list of suitable primers.

In general, you need to find a primer that will not hybridize to itself, shows no internal secondary structure, will bind to a unique site on the target DNA, and has reasonable length and binding characteristics. MacVector provides well defined defaults for all of these, but lets you change any of the individual parameters for greater sensitivity.The results are presented in both a textual and graphical format. The text format lists the binding site location, sequence, %G+C and Tm of each suitable primer while the graphical view displays the locations of the primers relative to the rest of the sequence.

Testing Sequencing Primers/Hybridization Probes

If you are performing mutagenesis experiments or other investigations where you have a defined primer you wish to use, you can use MacVector to determine the binding characteristics of the primer. Simply type/paste the sequence of the primer into the "Test Primer" dialog and you can get instant feedback of any potential problems.

PrimerDesignFig1

Fig 1. You can fine

PrimerDesignFig3

Fig 2. Potential problems with

Searching for PCR primers

You can use MacVector to identify pairs of primers suitable for use in Polymerase Chain Reaction experiments using the popular Primer3 algorithm. You can choose to a region of a sequence that you wish to amplify, or simply ask for a product within a certain size range. The primers are selected based on similar criteria to the sequencing primers, except that the default reaction conditions are adjusted to reflect the high primer concentrations used in PCR experiments. In addition, MacVector ensures that pairs of primers will not interact with each other, or with the predicted amplified product. MacVector can also design internal hybridization primers for use with realtime PCR analyses. You can either design primers in as few as three mouse clicks, or alternatively fine tune te design using the advanced options.

PrimerDesignFig4

Testing PCR Primers

You can also paste/type primers into the Primer Design dialog to determine the binding charactersitics of any pair of primers. MacVector will double-check that the primers have unique binding sites on the target DNA and will calculate the binding characteristics and properties of the primers alone and as a pair.

 

Overview

Comparison of MacVector Editions

MacVector Cloning Edition

What has changed since my version?

What's New in MacVector 14?

Graphical Sequence Editing

Agarose Gel Simulation

Gateway and TOPO Cloning

Auto-annotation

Primer Design

DNA Analysis

Protein Analysis

Database Searching

Multiple Sequence Alignment

Sequence Confirmation

cDNA Alignment

System Requirements

Screencasts