Protein molecular weight calculator

GPMAW lite – Protein Sequence Calculator (and much more)

When working with proteins you often need to make simple bioinformatics calculations on a specific protein sequence - and for...

Apr 10. 2017 | Thomas Kofoed |

How much protein should I load for protein identification by mass spec

Question: How should I prepare my samples for 2D electrophoresis, and how much protein should I load to get protein ID...

Jun 8. 2016 | Ejvind Mørtz |
Mass spectrometry analysis of protein

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...

Jun 3. 2016 | Ejvind Mørtz |
Eppendorf tubes with protein

Mass spectrometric identification of proteins from Western blots

Question: We have an unknown protein recognized in Western blot by autoantibodies that we need to identify. Is it possible to send...

May 2. 2016 | Ejvind Mørtz |

What buffer to use for MALDI mass spectrometry analysis of a protein?

Question: What buffer should I use for MALDI Mass Spectrometry analysis of my protein sample? Answer: In general, MALDI-MS is more tolerant to contamination...

Apr 28. 2016 | Ejvind Mørtz |

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...

Oct 9. 2015 | Ejvind Mørtz |

Protocol for gel silver staining – mass spec & protein identification

Problems arising from using commercial staining kits: Scientists use silver staining for sensitive detection of proteins separated by 1D and 2D...

Aug 6. 2015 | Ejvind Mørtz |

Host Cell Protein monitoring in process development – using mass spec

Mass spectrometry based Host Cell Protein identification and quantification The Mass Spec Host Cell Protein (HCP) assay is applied for monitoring...

Oct 2. 2009 | Ejvind Mørtz |
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