Selenocysteine
Also known as 3-selenyl-L-alanine, 3-selanyl-2-aminopropanoic acid, selenium cysteine, Sec
thumb|Selenocysteine ball and stick model spinning Selenocysteine (symbol Sec or U, in older publications also as Se-Cys) is the 21st proteinogenic amino acid. Selenoproteins contain selenocysteine residues. Selenocysteine is an analogue of the more common cysteine with selenium in place of the sulfur.
Chemical data
- Formula
- C3H7NO2Se
- Molecular weight
- 168.06 g/mol
- IUPAC name
- (2R)-2-amino-3-selanylpropanoic acid
- SMILES
- C([C@@H](C(=O)O)N)[SeH]
- InChIKey
- ZKZBPNGNEQAJSX-REOHCLBHSA-N
- Polar surface area
- 63.3 Ų
- H-bond donors
- 2
- H-bond acceptors
- 3
- Formal charge
- 0
via PubChem
Research
3,544 papersvia PubMed