S-methyl-1-thio-D-xylulose 5-phosphate + AH2 => 1-deoxy-D-xylulose 5-phosphate + methanethiol + A
s-methyl-1-thio-d-xylulose 5-phosphate + ah2 => 1-deoxy-d-xylulose 5-phosphate + methanethiol + a
S-methyl-1-thio-D-xylulose 5-phosphate + AH2 => 1-deoxy-D-xylulose 5-phosphate + methanethiol + A
s-methyl-1-thio-d-xylulose 5-phosphate + ah2 => 1-deoxy-d-xylulose 5-phosphate + methanethiol + a