Database Searching & Protein Identification
6 articles
GPMAW lite – Protein Molecular Weight Calculator (and much more)
Simple bioinformatics calculations on specific protein sequences When working with proteins you often need to make simple bioinformatics calculations on a specific...
Common protein contaminants in mass spectrometric protein ID
Questions: Is the keratin identified by the protein ID service in my 1D gel band a contamination? Or is it...
Mass spectrometric identification of proteins from Western blots
Question: Dear Sir, We have an unknown protein recognized in Western blot by autoantibodies that we need to identify. Is it...
What does the Mascot Score mean?
Question: I just got my protein identification report. What does the Mascot Score mean? Answer: The Protein Identification report contains a list of proteins that have...
Guide to identification of novel proteins not in public databases
Question: I recently used Alphalyse's protein identification service to analyze my protein. The sample gave me very good MS data. However it...
Which databases & organisms are used in mass spec protein ID service?
Question: I would like to identify proteins from an organism where the genome has just been sequenced. How many proteins are...