Useful Protein Molecular Weight Calculator kDa

Alphalyse
Nov 10. 2015

Protein molecular weight calculator kDa
The rule of thumb for conversion of microgram amounts into picomole amounts at different protein molecular weights and peptide molecular weights is:

1000/Mw of protein in kDa = pmol/ug

You can use the table below for a quick conversion of your protein, depending on its size:

Protein size kDaMicrogramPicomoleMicrogramPicomole
11100011000
101010001100
20201000150
50501000120
1001001000110
150150100016.7

In other situations you may want to learn more about the properties of your protein. In those cases, the GPMAW lite tool will come in handy. It is free and easy to use:

Try GPMAW lite – free bioinformatics tool

Protein molecular weight calculator

Use the free tool to calculate the basic properties of your protein:

Free protein bioinformatics tool GPMAW lite

Compute the pI/Mw tool from an protein amino acid sequence or a database accession number:

https://web.expasy.org/compute_pi/

Find out how to perform protein MW determination by mass spectrometry:

Molecular Weight Determination and Intact Mass Analysis

Learn more in about how to make simple bioinformatics calculations on specific protein sequences in this blog post.

About Alphalyse

Alphalyse uses expertise in the field of protein chemistry and bioinformatics, combined with top-of-the-line mass spectrometry equipment, to provide protein analysis services globally.

Alphalyse aims to deliver high quality data and customer service to all of our clients in a fast and convenient way.

www.alphalyse.com

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