S-ethyl-L-cysteine
CHEBI:156209
·resolve ·ANTIMYCOBACTERIAL
·EXACT
SEEDED
A S-alkyl-L-cysteine that is L-cysteine in which the hydrogen of the thiol group is substituted by an ethyl group. — ChEBI
Machine-generated and unreviewed. Identity, structure and
cross-references come straight from ChEBI's and CARD's own data; no curator has
signed off on this record yet.
Classification
Strictly broader compounds or drug classes this molecule belongs to.
Chemical structure
Computed structure properties
| Molecular formula | C5H11NO2S |
|---|
| Charge | 0 |
|---|
| Average mass | 149.215 Da |
|---|
| Monoisotopic mass | 149.05105 Da |
|---|
| Source | ChEBI |
|---|
| InChIKey | ULXKXLZEOGLCRJ-BYPYZUCNSA-N |
|---|
SMILES
CCSC[C@H](N)C(=O)O
InChI
InChI=1S/C5H11NO2S/c1-2-9-3-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1
Also called
- (2R)-2-amino-3-(ethylsulfanyl)propanoic acid (EXACT_SYNONYM)— chebi
- (2R)-2-azanyl-3-ethylsulfanyl-propanoic acid (EXACT_SYNONYM)— chebi
- 3-(ethylthio)alanine (EXACT_SYNONYM)— chebi
- 3-ethylthio-L-alanine (EXACT_SYNONYM)— chebi
- S-ethyl cysteine (EXACT_SYNONYM)— chebi
- S-ethylcysteine (EXACT_SYNONYM)— chebi
Cross-references
Equivalent identifiers for this same structure in other resources.
Activity roles
Every antimicrobial role a source asserts for this compound — the
unreduced evidence behind its antimicrobial_class.
Source concepts
Every upstream concept that resolved to this record. The merge is
the product: this is what shows ChEBI and CARD are describing the same structure.
Upstream concepts merged into this record
| Source | Native ID | Label | Minted CURIE | Version |
|---|
| CHEBI |
CHEBI:156209 |
S-ethyl-L-cysteine |
antibioticmech:chebi-4bca1bca78 |
2026-08-30 |
Curation history
-
SEEDED_FROM_SOURCES
2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
-
RESEEDED_FROM_SOURCES
2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
-
RESEEDED_FROM_SOURCES
2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
Provenance
Seeded by scripts/seed_from_sources.py from the committed
inventories in data/raw/.
View the record.