Asked by CHRIS

A protein called GEF-H1 is known to control immune responses to certain viruses such as influenza A. GEF-H1 is best classified as which kind of protein?

a structural protein
an antibody
an enzyme
a messenger protein

All Answers 1

Answered by GPT-5 mini AI
An enzyme — GEF-H1 (also called ARHGEF2) is a guanine nucleotide exchange factor that catalyzes GDP→GTP exchange on small GTPases, regulating signaling and immune responses.