COCONUT Compound

L-cysteine

CNP0280490.1 · C3H7NO2S · View on COCONUT ↗

Identifiers

NameL-cysteine
IUPAC Name(2~{R})-2-amino-3-sulfanyl-propanoic acid
COCONUT IDCNP0280490.1
CAS52-90-4, 4371-52-2, 345909-32-2 (.xH2O)
InChIKeyXUJNEKJLAYXESH-REOHCLBHSA-N
InChIInChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
SMILESN[C@@H](CS)C(=O)O

Properties

Molecular FormulaC3H7NO2S
Molecular Weight121.16
Exact Mass121.01975
Log P (ALogP)-0.67
TPSA63.32
H-Bond Donors / Acceptors3 / 3
Rotatable Bonds2
Lipinski's Rule of 5 Violations0
QED Drug-likeness0.42
NP-likeness1.14

Classification

NP PathwayAmino acids and Peptides
NP SuperclassSmall peptides
NP ClassAminoacids
Chemical SuperclassOrganic acids and derivatives
Chemical ClassCarboxylic acids and derivatives
Chemical SubclassAmino acids, peptides, and analogues

Reported in GR-MAPs Plants

Nicotiana tabacum as “Nicotiana tabacum” in COCONUT
Arabidopsis thaliana as “Arabidopsis thaliana” in COCONUT
Oryza sativa as “Oryza sativa” in COCONUT
Gossypium hirsutum as “Gossypium hirsutum” in COCONUT

Data from COCONUT (COlleCtion of Open Natural prodUcTs), released under CC0. Chandrasekhar V. et al. COCONUT 2.0: a comprehensive overhaul and curation of the collection of open natural products database. Nucleic Acids Research (2024), doi:10.1093/nar/gkae1063. COCONUT release 2026-10.