Protein Ladders

What is a Protein Marker or Protein Ladder?

A protein marker (also called a protein molecular weight marker, a protein MW marker, or a protein ladder) is used to estimate the size of proteins resolved by gel electrophoresis.

• All markers are optimized for use with LI-COR imaging systems but can be used with other imagers.
• LI-COR protein ladders and markers are visible on the gel during the run, so you can monitor protein migration.
• Markers are used to monitor transfer efficiency from gel to blotting membrane.

How to Choose a Protein Ladder

	Visible By Eye	Detected With Chemiluminescence	Visible In 700 nm Channel	Visible In 800 nm Channel
WesternSure® Ladder
Odyssey® Protein MW Marker
Chameleon® Vue		*
Chameleon Duo
Chameleon Kit
Chameleon 700
Chameleon 800

* Chameleon Vue can be detected with chemiluminescence when used with the WesternSure Pen, P/N 926-91000