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L-selenocysteine

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Origin: China

Cas No: 10236-58-5

Specification: 99%min

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CAS No.: 10236-58-5 Formula: C3H7NO2Se Molecular Weight: 168.05300

Description

Selenocysteine (abbreviated as Sec or U, in older publications also as Se-Cys) is the 21st proteinogenic amino acid.
Selenocysteine exists naturally in three domains of life, but not in every lineage, as a building block of selenoproteins. Selenocysteine is a cysteine analogue with a selenium-containing selenol group in place of the sulfur-containing thiol group.
Selenocysteine is present in several enzymes (for example glutathione peroxidases, tetraiodothyronine 5' deiodinases, thioredoxin reductases, formate dehydrogenases, glycine reductases, selenophosphate synthetase 2, methionine-R-sulfoxide reductase B1 (SEPX1), and some hydrogenases).
Selenocysteine was discovered by biochemist Thressa Stadtman at the National Institutes of Health.

Basic Info

Chemical Name	L-selenocysteine
Synonyms	3-Selenyl-L-alanine; (2R)-2-Amino-3-(hydroseleno)propionic acid; 3-(Hydroseleno)alanine; selenocystine; 3-Selenylalanine; Seleno-L-cysteine; (R)-2-aMino-3-hydroselenopropanoic acid; Selenocysteine; L-selenocystein;
CAS No.	10236-58-5
Molecular Formula	C3H7NO2Se
Molecular Weight	168.05300
PSA	63.32000
LogP	-0.20210