Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Phylogenetic analysis of UBC9 and SUMO. The neighbor-joining (N-J) tree was produced by MEGA 4.0, using bootstraps of 1,000 to test the reproducibility. UBC9 and SUMO of crayfish are labeled with a black triangle. The GenBank accession number of each selection is shown in the figure.
