Fig. S4.
Amino acid enantiomer analysis of meteorite GRA 95229. The sample is from the same extract as that found to have an excess of d-threonic acid and racemic glyceric acid (Fig. 2A). Other protein amino acids (not shown) were also racemic.
Amino acid enantiomer analysis of meteorite GRA 95229. The sample is from the same extract as that found to have an excess of d-threonic acid and racemic glyceric acid (Fig. 2A). Other protein amino acids (not shown) were also racemic.