FIGURE 1.
The pKZ1 transgenic mouse construct. LacZ, E. coli, β-galactosidase gene; EP, chicken β-actin enhancer/promoter complex; Ex1 and Ex2, chicken β-actin exons 1 and 2; VK21C and JK5, mouse immunoglobulin recombination signal sequences.
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.