An official website of the United States government
Here's how you know
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.
Diagram of the construct made when selected fragment-vector molecules were separated from unligated vector. An explanation is given in the text. EcoRI and BamHI cohesive ends are shown. S, streptavidin; B, biotin; P, 5′ phosphate.