| Record Information |
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| Version | 1.0 |
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| Creation Date | 2016-09-30 23:08:00 UTC |
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| Update Date | 2020-05-21 16:28:22 UTC |
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| BMDB ID | BMDB0004113 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Se-Methylselenocysteine |
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| Description | Se-se-methylselenocysteine, also known as se-methylselenocysteine or se-methylselenocysteine, belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. Se-se-methylselenocysteine is possibly soluble (in water) and a very strong basic compound (based on its pKa). Se-se-methylselenocysteine exists in all living species, ranging from bacteria to humans. Se-se-methylselenocysteine can be converted into Gamma-glutamyl-se-se-methylselenocysteine through the action of the enzyme Gamma-glutamyltranspeptidase 1. In cattle, se-se-methylselenocysteine is involved in the metabolic pathway called the selenoamino acid metabolism pathway. |
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| Structure | |
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| Synonyms | | Value | Source |
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| L-Methylselenocysteine | ChEBI | | Methyl-L-selenocysteine | ChEBI | | Methylselenocysteine | ChEBI | | Se-methyl-seleno-L-cysteine | ChEBI | | Se-methyl-selenocysteine | ChEBI | | Selenium methyl cysteine | ChEBI | | Selenium-methylselenocystine | ChEBI | | Selenohomocysteine | ChEBI | | Selenomethylselenocysteine | ChEBI | | 3-(Methylseleno)-L-alanine | HMDB | | Se-methyl-L-selenocysteine | HMDB | | L-Methyl-selenocysteine | HMDB | | Methyl selenocysteine | HMDB | | Selenomethylselenocysteine, (D,L)-isomer | HMDB | | Selenomethylselenocysteine, (L)-isomer, 75Se-labeled | HMDB | | SeMCys | HMDB | | Selenomethylselenocysteine, (L)-isomer | HMDB | | Methylseleno-L-cysteine | HMDB | | Selenomethyl selenocysteine | HMDB | | Se-Methylselenocysteine | HMDB |
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| Chemical Formula | C4H9NO2Se |
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| Average Molecular Weight | 182.08 |
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| Monoisotopic Molecular Weight | 182.979850365 |
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| IUPAC Name | (2R)-2-amino-3-(methylselanyl)propanoic acid |
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| Traditional Name | methylselenocysteine |
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| CAS Registry Number | 26046-90-2 |
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| SMILES | C[Se]C[C@H](N)C(O)=O |
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| InChI Identifier | InChI=1S/C4H9NO2Se/c1-8-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)/t3-/m0/s1 |
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| InChI Key | XDSSPSLGNGIIHP-VKHMYHEASA-N |
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| Chemical Taxonomy |
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| Description | belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. |
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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 | L-alpha-amino acids |
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| Alternative Parents | |
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| Substituents | - L-alpha-amino acid
- Amino acid
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Selenoether
- Amine
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Primary amine
- Organoselenium compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxygen compound
- Primary aliphatic amine
- Organic nitrogen compound
- Carbonyl group
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Status | Expected but not Quantified |
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| Origin | |
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| Biofunction | Not Available |
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| Application | Not Available |
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| Cellular locations | |
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| Physical Properties |
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| State | Solid |
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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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| Spectra |
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| Spectra | | Spectrum Type | Description | Splash Key | |
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| GC-MS | GC-MS Spectrum - GC-MS (1 TMS) | splash10-000i-2900000000-584579d62a5c494d1ad4 | View in MoNA |
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| GC-MS | GC-MS Spectrum - GC-MS (2 TMS) | splash10-0i00-1960000000-c1d9d3d6c03ef447c682 | View in MoNA |
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| GC-MS | GC-MS Spectrum - GC-MS (Non-derivatized) | splash10-000i-2900000000-584579d62a5c494d1ad4 | View in MoNA |
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| GC-MS | GC-MS Spectrum - GC-MS (Non-derivatized) | splash10-0i00-1960000000-c1d9d3d6c03ef447c682 | View in MoNA |
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| Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9400000000-b52de18849d5860694de | View in MoNA |
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| Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positive | splash10-00dl-9110000000-370afb49a49bc4836d3e | View in MoNA |
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| Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive | Not Available | View in JSpectraViewer |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-001r-0900000000-87ae6338ccd9513f5db0 | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-001r-1900000000-204e0c71178a372a67d0 | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-000f-9800000000-f08ef5fe840b11c1330b | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-00lu-5900000000-267cb39ae0470e212ce2 | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0079-9400000000-7ae0b50471ba90d5656c | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0006-9300000000-7580c3589d69535a4bb7 | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0006-9000000000-f9689d19a8a4fb34dc2c | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0006-9000000000-f9689d19a8a4fb34dc2c | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0006-9000000000-f9689d19a8a4fb34dc2c | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-00lr-0900000000-d519041b7fbf3920f7ee | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-00y0-0900000000-88e1671d699eb2ba3233 | View in MoNA |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-00dl-5900000000-c1dd9e6e9d3616306ddc | View in MoNA |
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| 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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| 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | Not Available | View in JSpectraViewer |
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