4.4.1.1 cystathionine gamma-lyase - 4.4.1.2 homocysteine desulfhydrase - 4.4.1.3 dimethylpropiothetin dethiomethylase - 4.4.1.4 alliin lyase - 4.4.1.5 lactoylglutathione lyase - 4.4.1.9 L-3-cyanoalanine synthase - 4.4.1.10 cysteine lyase - 4.4.1.11 methionine gamma-lyase - 4.4.1.13 cysteine-S-conjugate beta-lyase - 4.4.1.14 1-aminocyclopropane-1-carboxylate synthase - 4.4.1.15 D-cysteine desulfhydrase - 4.4.1.16 selenocysteine lyase - 4.4.1.17 Holocytochrome-c synthase - 4.4.1.19 phosphosulfolactate synthase - 4.4.1.20 leukotriene-C4 synthase - 4.4.1.21 S-ribosylhomocysteine lyase - 4.4.1.22 S-(hydroxymethyl)glutathione synthase - 4.4.1.23 2-hydroxypropyl-CoM lyase - 4.4.1.24 (2R)-sulfolactate sulfo-lyase - 4.4.1.25 L-cysteate sulfo-lyase - 4.4.1.26 olivetolic acid cyclase - 4.4.1.28 L-cysteine desulfidase - 4.4.1.29 phycobiliprotein cysteine-84 phycobilin lyase - 4.4.1.30 phycobiliprotein beta-cysteine-155 phycobilin lyase - 4.4.1.31 phycoerythrocyanin alpha-cysteine-84 phycoviolobilin lyase/isomerase - 4.4.1.32 C-phycocyanin alpha-cysteine-84 phycocyanobilin lyase - 4.4.1.33 R-phycocyanin alpha-cysteine-84 phycourobilin lyase/isomerase - 4.4.1.34 isoprene-epoxide-glutathione S-transferase - 4.4.1.35 L-cystine beta-lyase - 4.4.1.36 hercynylcysteine S-oxide lyase - 4.4.1.37 pyridinium-3,5-bisthiocarboxylic acid mononucleotide synthase - 4.4.1.38 isethionate sulfite-lyase - 4.4.1.39 C-phycoerythrin alpha-cysteine-82 phycoerythrobilin lyase - 4.4.1.40 C-phycoerythrin beta-cysteine-48/59 phycoerythrobilin lyase - 4.4.1.41 (2S)-3-sulfopropanediol sulfolyase - 4.4.1.12 sulfoacetaldehyde lyase deleted, activity due to EC 2.3.3.15 4.4.1.7 S-(Hydroxyalkyl)glutathione lyase deleted, included in EC 2.5.1.18 4.4.1.B1 holocytochrome-c1 synthase preliminary BRENDA-supplied EC number 4.4.1.B4 SAM lyase preliminary BRENDA-supplied EC number 4.4.1.18 prenylcysteine lyase transferred to EC 1.8.3.5 4.4.1.27 carbon disulfide lyase transferred to EC 3.13.1.5 4.4.1.6 S-alkylcysteine lyase transferred to EC 4.4.1.13 4.4.1.8 cystathionine beta-lyase transferred to EC 4.4.1.13