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 diversity of hypothetical [FeFe]-hydrogenases detected in metagenomes from a Lost City chimney and Tablelands spring fluid. These sequences show weak similarity to the characterized hydrogenases in Figure 6 but are highly similar to hypothetical hydrogenases.
