| Record Information |
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| Version | 2.0 |
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| Created at | 2022-03-17 20:43:52 UTC |
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| Updated at | 2022-03-17 20:43:52 UTC |
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| NP-MRD ID | NP0047662 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | S-(2-Aminoethyl)-L-cysteine |
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| Description | S-(2-Aminoethyl)-L-cysteine, also known as 4-thialysine or thiosine, belongs to the class of organic compounds known as cysteine and derivatives. Cysteine and derivatives are compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. S-(2-Aminoethyl)-L-cysteine is a very strong basic compound (based on its pKa). Outside of the human body, S-(2-Aminoethyl)-L-cysteine has been detected, but not quantified in, mushrooms. This could make S-(2-aminoethyl)-L-cysteine a potential biomarker for the consumption of these foods. |
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| Structure | InChI=1S/C5H12N2O2S/c6-1-2-10-3-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9) |
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| Synonyms | | Value | Source |
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| 2-Aminoethylcysteine | HMDB | | 4-Thia-L-lysine | HMDB | | 4-Thialysine | HMDB | | Aminoethylcysteine | HMDB | | gamma-Thialysine | HMDB | | S-2-Aminoethyl cysteine | HMDB | | Thialysine | HMDB | | Thiosine | HMDB | | 2-Amino-3-[(2-aminoethyl)sulfanyl]propanoate | Generator | | 2-Amino-3-[(2-aminoethyl)sulphanyl]propanoate | Generator | | 2-Amino-3-[(2-aminoethyl)sulphanyl]propanoic acid | Generator | | S-2-Aminoethyl cysteine dihydrochloride | MeSH | | gamma-Thia-lys | MeSH | | S-2-Aminoethyl cysteine hydrochloride | MeSH | | S-2-Aminoethyl cysteine monohydrochloride | MeSH | | S-beta-Aminoethyl cysteine | MeSH |
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| Chemical Formula | C5H12N2O2S |
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| Average Mass | 164.2260 Da |
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| Monoisotopic Mass | 164.06195 Da |
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| IUPAC Name | 2-amino-3-[(2-aminoethyl)sulfanyl]propanoic acid |
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| Traditional Name | 5-(2-aminoethyl)homocysteine |
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| CAS Registry Number | 2936-69-8 |
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| SMILES | NCCSCC(N)C(O)=O |
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| InChI Identifier | InChI=1S/C5H12N2O2S/c6-1-2-10-3-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9) |
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| InChI Key | GHSJKUNUIHUPDF-UHFFFAOYSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| Not Available | | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | | Species Name | Source | Reference |
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| Agaricus bisporus | FooDB | - Shmuel Yannai Dictionary of Food Compounds with CD-ROM: Additives, Flavors, and Ingredients. Chap...
| | Pleurotus ostreatus | FooDB | - Shmuel Yannai Dictionary of Food Compounds with CD-ROM: Additives, Flavors, and Ingredients. Chap...
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as cysteine and derivatives. Cysteine and derivatives are compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | Cysteine and derivatives |
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| Alternative Parents | |
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| Substituents | - Cysteine or derivatives
- Alpha-amino acid
- Amino acid
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Thioether
- Sulfenyl compound
- Dialkylthioether
- Organic nitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Primary amine
- Organosulfur compound
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Primary aliphatic amine
- Organic oxygen compound
- Carbonyl group
- Amine
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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