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more general categories information about this item 04. Bioactive Capabilities of Specific Chemicals 04. Bioactive Capabilities of Specific Chemicals Transferases [EC:2] (1441) Transferring one-carbon groups [EC:2.1] (318) Methyltransferases [EC:2.1.1] (279) Thetin--homocysteine S-methyltransferase [EC:2.1.1.3] (5) L-homocysteine zwitterion [CHEBI:58199] (1) Betaine--homocysteine S-methyltransferase [EC:2.1.1.5] (4) L-homocysteine zwitterion [CHEBI:58199] (1) Homocysteine S-methyltransferase [EC:2.1.1.10] (6) L-homocysteine zwitterion [CHEBI:58199] (1) Methionine synthase [EC:2.1.1.13] (4) L-homocysteine zwitterion [CHEBI:58199] (1) 5-methyltetrahydropteroyltriglutamate--homocysteine S-methyltransferase [EC:2.1.1.14] (4) L-homocysteine zwitterion [CHEBI:58199] (1) Hydrolases [EC:3] (824) Acting on ether bonds [EC:3.3] (27) Thioether and trialkylsulfonium hydrolases [EC:3.3.1] (8) Adenosylhomocysteinase [EC:3.3.1.1] (4) L-homocysteine zwitterion [CHEBI:58199] (1) Lyases [EC:4] (743) Carbon-oxygen lyases [EC:4.2] (393) Hydro-Lyases [EC:4.2.1] (219) Cystathionine beta-synthase [EC:4.2.1.22] (4) L-homocysteine zwitterion [CHEBI:58199] (1) Carbon-sulfur lyases [EC:4.4] (49) (only sub-subclass identified to date) [EC:4.4.1] (49) Homocysteine desulfhydrase [EC:4.4.1.2] (6) L-homocysteine zwitterion [CHEBI:58199] (1) Cystathionine beta-lyase [EC:4.4.1.8] (5) L-homocysteine zwitterion [CHEBI:58199] (1) S-ribosylhomocysteine lyase [EC:4.4.1.21] (3) L-homocysteine zwitterion [CHEBI:58199] (1) 08. Chemical Category 08. Chemical Category main group molecular entity [CHEBI:33579] (25650) p-block molecular entity [CHEBI:33675] (25343) carbon group molecular entity [CHEBI:33582] (23847) organic molecular entity [CHEBI:50860] (23769) organic molecule [CHEBI:72695] (11399) dipolar compound [CHEBI:51151] (494) zwitterion [CHEBI:27369] (494) amino acid zwitterion [CHEBI:35238] (229) L-homocysteine zwitterion [CHEBI:58199] (1) polyatomic entity [CHEBI:36357] (18777) molecule [CHEBI:25367] (11520) organic molecule [CHEBI:72695] (11399) dipolar compound [CHEBI:51151] (494) zwitterion [CHEBI:27369] (494) amino acid zwitterion [CHEBI:35238] (229) L-homocysteine zwitterion [CHEBI:58199] (1) ChEBI Compound Accession Identifier: [CHEBI:58199] ChEBI Compound Description: "Zwitterionic form of L-homocysteine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3." ChEBI Compound Identification Number: 58199 ChEBI InChI Value: InChI=1S/C4H9NO2S/c5-3(1-2-8)4(6)7/h3,8H,1-2,5H2,(H,6,7)/t3-/m0/s1 ChEBI InChIKey Value: FFFHZYDWPBMWHY-VKHMYHEASA-N ChEBI Compound Name: L-homocysteine zwitterion ChEBI SMILES Value: [NH3+][C@@H](CCS)C([O-])=O ChEBI Substance ID: 103158479 ChEBI URL: ChEBI:58199 ChemSpider ID: 0 Ontomatica Chemical Accession Key (OnChAKey): FFFHZYDWPBMWHY_VKHMYHEASA_N_000_000001 PubChem Compound ID: 6971015