Cysteine

Structure Molecule image
Relationships Total Number of functionally related protein(s) : 8099
Total Number of Articles : 18686
PubChem 5460971
Molecular Formula

C3H8NO2S+

SMILES

C([C@@H](C(=O)O)[NH3+])S

InChI

InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/p+1/t2-/m0/s1

synonyms
  • L-cysteinium
  • cysteine
  • L-cysteine cation
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Properties
Property Value
MW 122.17 g/mol
HBD 3
HBA 3
Rotatable Bond Count 2
Exact Mass 122.02757467 g/mol
Monoisotopic Mass 122.02757467 g/mol
Heavy Atom Count 7
Isotope Atom Count 0
Atom Stereo Count 1
Covalent Unit Count 1
Complexity 75.3
xlogp -2.5
Topological Polar Surface Area 65.9