XC_0982 cysteine synthase
       XC_3655 cysteine synthase
       XC_3635 cystathionine gamma-lyase-like protein
       XC_3636 cystathionine beta-synthase
       XC_2894 homocysteine S-methyltransferase
       XC_2724 5-methyltetrahydrofolate-homocysteine methyl transferase
       XC_2725 5-methyltetrahydrofolate-homocysteine methyltransferase
       XC_0330 5-methyltetrahydropteroyltriglutamate-homocysteine methyltransferase
       XC_3471 methionine adenosyltransferase
       XC_0487 S-adenosyl methionine decarboxylase proenzyme
       XC_3954 spermidine synthase
       XC_2686 transferase
       XC_1071 conserved hypothetical protein
       XC_1845 conserved hypothetical protein
       XC_2956 purine nucleoside phosphorylase
       XC_2661 initiation factor eIF-2B
       XC_2369 sugar aldolase
       XC_2371 enolase-phosphatase
       XC_2370 dioxygenase
       XC_0100 aromatic-amino-acid aminotransferase
       XC_3647 conserved hypothetical protein
       XC_2063 DNA methyltransferase
       XC_3482 adenosylhomocysteinase
       XC_2389 aspartokinase/homoserine dehydrogenase I
       XC_1372 diaminopimelate decarboxylase
       XC_1569 aspartate semialdehyde dehydrogenase
       XC_1253 homoserine dehydrogenase
       XC_1889 homoserine O-acetyltransferase
       XC_1251 homoserine O-acetyltransferase
       XC_1252 cystathionine gamma-synthase
       XC_1090 homocysteine synthase
       XC_3380 branched-chain amino acid aminotransferase
       XC_0768 glutamate-cysteine ligase precursor
       XC_1182 glutathione synthetase
       XC_2697 thiosulfate sulfurtransferase
       XC_2451 putative resistance protein
       XC_3307 malate dehydrogenase
       XC_1255 L-serine dehydratase
       XC_2364 D-3-phosphoglycerate dehydrogenase
       XC_0020 D-3-phosphoglycerate dehydrogenase
       XC_2645 phosphoserine aminotransferase

K01738 cysK; cysteine synthase [EC:2.5.1.47]
K01738 cysK; cysteine synthase [EC:2.5.1.47]
K01758 CTH; cystathionine gamma-lyase [EC:4.4.1.1]
K01697 CBS; cystathionine beta-synthase [EC:4.2.1.22]
K00547 mmuM; homocysteine S-methyltransferase [EC:2.1.1.10]
K00548 metH; 5-methyltetrahydrofolate--homocysteine methyltransferase [EC:2.1.1.13]
K00548 metH; 5-methyltetrahydrofolate--homocysteine methyltransferase [EC:2.1.1.13]
K00549 metE; 5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase [EC:2.1.1.14]
K00789 metK; S-adenosylmethionine synthetase [EC:2.5.1.6]
K01611 speD; S-adenosylmethionine decarboxylase [EC:4.1.1.50]
K00797 speE; spermidine synthase [EC:2.5.1.16]
K00797 speE; spermidine synthase [EC:2.5.1.16]
K05810 LACC1; purine-nucleoside/S-methyl-5'-thioadenosine phosphorylase / adenosine deaminase [EC:2.4.2.1 2.4.2.28 3.5.4.4]
K12960 mtaD; 5-methylthioadenosine/S-adenosylhomocysteine deaminase [EC:3.5.4.31 3.5.4.28]
K19696 mtiP; 5'-methylthioinosine phosphorylase [EC:2.4.2.44]
K08963 mtnA; methylthioribose-1-phosphate isomerase [EC:5.3.1.23]
K08964 mtnB; methylthioribulose-1-phosphate dehydratase [EC:4.2.1.109]
K09880 mtnC; enolase-phosphatase E1 [EC:3.1.3.77]
K08967 mtnD; 1,2-dihydroxy-3-keto-5-methylthiopentene dioxygenase [EC:1.13.11.53 1.13.11.54]
K00832 tyrB; aromatic-amino-acid transaminase [EC:2.6.1.57]
K08968 msrC; L-methionine (R)-S-oxide reductase [EC:1.8.4.14]
K00558 DNMT1; DNA (cytosine-5)-methyltransferase 1 [EC:2.1.1.37]
K01251 AHCY; adenosylhomocysteinase [EC:3.13.2.1]
K12524 thrA; bifunctional aspartokinase / homoserine dehydrogenase 1 [EC:2.7.2.4 1.1.1.3]
K12526 lysAC; bifunctional diaminopimelate decarboxylase / aspartate kinase [EC:4.1.1.20 2.7.2.4]
K00133 asd; aspartate-semialdehyde dehydrogenase [EC:1.2.1.11]
K00003 hom; homoserine dehydrogenase [EC:1.1.1.3]
K00641 metX; homoserine O-acetyltransferase/O-succinyltransferase [EC:2.3.1.31 2.3.1.46]
K00641 metX; homoserine O-acetyltransferase/O-succinyltransferase [EC:2.3.1.31 2.3.1.46]
K01739 metB; cystathionine gamma-synthase [EC:2.5.1.48]
K01740 metY; O-acetylhomoserine (thiol)-lyase [EC:2.5.1.49]
K00826 E2.6.1.42; branched-chain amino acid aminotransferase [EC:2.6.1.42]
K01919 gshA; glutamate--cysteine ligase [EC:6.3.2.2]
K01920 gshB; glutathione synthase [EC:6.3.2.3]
K01011 TST; thiosulfate/3-mercaptopyruvate sulfurtransferase [EC:2.8.1.1 2.8.1.2]
K25316 racX; amino-acid racemase [EC:5.1.1.10]
K00024 mdh; malate dehydrogenase [EC:1.1.1.37]
K01752 E4.3.1.17; L-serine dehydratase [EC:4.3.1.17]
K00058 serA; D-3-phosphoglycerate dehydrogenase / 2-oxoglutarate reductase [EC:1.1.1.95 1.1.1.399]
K00058 serA; D-3-phosphoglycerate dehydrogenase / 2-oxoglutarate reductase [EC:1.1.1.95 1.1.1.399]
K00831 serC; phosphoserine aminotransferase [EC:2.6.1.52]