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.
Organization of the operons hya, hyb, hyc, and hyp. Homologous genes have the same type of shading. Black boxes, large subunit genes; gray boxes, small subunit genes; hatched boxes, genes for the specific endopeptidases; crosshatched boxes, genes for cytochrome b; vertically striped boxes, genes for HypC and its homolog HybG; horizontally striped boxes, genes for HypA and its homolog HybF.
