1.1.1.60 2-hydroxy-3-oxopropionate reductase
4.1.1.47 tartronate-semialdehyde synthase
4.1.1.54 dihydroxyfumarate decarboxylase
4.1.2.20 2-dehydro-3-deoxyglucarate aldolase
5.3.1.22 hydroxypyruvate isomerase

1.1.1.31 3-hydroxyisobutyrate dehydrogenase
3.1.2.4 3-hydroxyisobutyryl-CoA hydrolase

map00640 Propanoate metabolism

map00280 Valine, leucine and isoleucine degradation

2.3.1.58 2,3-diaminopropionate N-oxalyltransferase

4.3.1.15 diaminopropionate ammonia-lyase

1.1.1.276 serine 3-dehydrogenase
1.4.1.7 serine 2-dehydrogenase
2.1.2.1 glycine hydroxymethyltransferase
2.3.1.30 serine O-acetyltransferase
2.3.1.50 serine C-palmitoyltransferase
2.6.1.45 serine-glyoxylate transaminase
2.6.1.51 serine-pyruvate transaminase
2.7.1.80 diphosphate-serine phosphotransferase
2.7.8.4 serine-phosphoethanolamine synthase
2.7.8.8 CDP-diacylglycerol-serine O-phosphatidyltransferase
2.8.1.4 tRNA sulfurtransferase
3.1.3.3 phosphoserine phosphatase
3.2.1.110 mucinaminylserine mucinaminidase
3.5.1.61 mimosinase
4.2.1.20 tryptophan synthase
4.2.1.22 cystathionine beta-synthase
4.2.1.50 pyrazolylalanine synthase
4.3.1.17 L-serine ammonia-lyase
6.1.1.11 serine-tRNA ligase
6.3.2.14 2,3-dihydroxybenzoate-serine ligase

3.1.4.13 serine-ethanolaminephosphate phosphodiesterase

3.1.3.3 phosphoserine phosphatase
4.3.1.18 D-serine ammonia-lyase

1.1.1.29 glycerate dehydrogenase
1.1.1.60 2-hydroxy-3-oxopropionate reductase
1.1.1.81 hydroxypyruvate reductase
1.1.1.92 oxaloglycolate reductase (decarboxylating)
2.7.1.31 glycerate kinase
3.1.3.20 phosphoglycerate phosphatase
3.1.3.38 3-phosphoglycerate phosphatase
4.1.1.73 tartrate decarboxylase