@MackayIM Ugh! Lots: - 20 essential plus selenocysteine & pyrrolysine in methanogens. - 80+ created abiotically in high concentrations - 900 are produced by natural pathways (mostly plants) - 118 engineered amino acids have been placed into protein h
RT @thecopperdoctor: RT-ing this, but here's what I found so far: https://t.co/p9YAEi16FA https://t.co/dBW8i2MWhK
RT-ing this, but here's what I found so far: https://t.co/p9YAEi16FA
Bonus, "On the evolution of the standard amino-acid alphabet" Just kind of exploring how to more rigorously whether life could have used more/fewer than the standard 20 amino acids https://t.co/JnvAQrLU0H