Thermo Fisher Scientific announced this week the release of its new Pierce Protein Molecular Weight Ladders and PageRuler Protein Ladders for monitoring protein separations during gel electrophoresis.
The ladders are available either pre-stained or unstained with the Pierce pre-stained ladder set containing seven single-color proteins varying in size from 14.4 to 116 kilodaltons and the stained set containing six proteins varying from 20 to 120 kilodaltons.
The unstained PageRuler ladder sets come in three molecular weight ranges – a standard set that includes 14 proteins ranging from 10 to 200 kilodaltons; a broad range containing 11 proteins from 5 to 250 kilodaltons; and a low range containing seven proteins from 5 to 100 kilodaltons.
The prestained PageRuler ladders contain 10 proteins ranging from 10 to 170 kilodaltons with two different colored bands for reference. The prestained PageRuler Plus set includes 9 proteins from 10 to 250 kilodaltons with two orange bands and one green band.
Kinexus announced this week that predictions of over 30 million human kinase-substrate interactions are now available at its updated PhosphoNET database.
The database now features information on more than 93,000 experimentally confirmed human phosphorylation sites as well as 560,000 additional phosphorylation sites predicted with a new algorithm, the company said.