Peter Sullivan

2 Questions 5 Answers 0 Followers

Questions related from Peter Sullivan

Why do I have unexpectedly high substitution rates when building a phylogenetic tree through RaxML?

Hello, I use Geneious and installed the RaxML plug-in to run maximum likelihood phylogenetic analyses. When running a neighbor-joining tree build, I get what I would expect to be the...

09 September 2019 1,301 3 View

How do I prevent tyrosine modification during acid peptide hydrolysis (6N HCl, 110 C, 24 hrs)?

Hello, I am currently employing advanced Marfey's analysis on a small peptide in order to determine absolute configuration of each amino acid. However, I'm having an issue in which the tyrosine...

08 August 2019 9,548 2 View