How To Install percolator on CentOS 7

In this tutorial we learn how to install percolator on CentOS 7. percolator is Software for postprocessing of shotgun proteomics data

Introduction

In this tutorial we learn how to install percolator on CentOS 7.

What is percolator

The first step in analyzing an mass spectrometry assay is to match the harvested spectra against a target database using database search engines such as Sequest and Mascot, a process that renders list of peptide-spectrum matches. However, it is not trivial to assess the accuracy of these identifications. Percolator uses a semi-supervised machine learning to discriminate correct from incorrect peptide-spectrum matches, and calculates accurate statistics such as q-value (FDR) and posterior error probabilities.

We can use yum or dnf to install percolator on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install percolator.

Install percolator on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install percolator using yum by running the following command:

sudo yum -y install percolator

Install percolator on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install percolator using dnf by running the following command:

sudo dnf -y install percolator

How To Uninstall percolator on CentOS 7

To uninstall only the percolator package we can use the following command:

sudo dnf remove percolator

References

Summary

In this tutorial we learn how to install percolator on CentOS 7 using yum and dnf.