L-β-ethynylserine zwitterion

CHEBI:144729 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

An L-α-amino acid zwitterion obtained by transfer of a proton from the carboxy group to the amino group of L-β-ethynylserine. The major species at pH 7.3. — 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.

Label unavailable CHEBI:59869

Chemical structure

Computed structure properties
Molecular formula	C5H7NO3
Charge	0
Average mass	129.115 Da
Monoisotopic mass	129.04259 Da
Source	ChEBI
InChIKey	RBWXRFBKVDBXEG-DMTCNVIQSA-N

SMILES

C#C[C@@H](O)[C@H]([NH3+])C(=O)[O-]

InChI

InChI=1S/C5H7NO3/c1-2-3(7)4(6)5(8)9/h1,3-4,7H,6H2,(H,8,9)/t3-,4+/m1/s1

Also called

2-azaniumyl-2,4,5-trideoxy-D-threo-pent-4-ynonate (EXACT_SYNONYM)— chebi
(2S,3R)-2-azaniumyl-3-hydroxypent-4-ynoate (EXACT_SYNONYM)— chebi

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

antibacterial agent CHEBI:33282

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:144729`	L-β-ethynylserine zwitterion	`antibioticmech:chebi-e8012d1da1`	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 (YAML).

Explore across X-Mech: MediaIngredientMech (L-β-ethynylserine zwitterion) · CultureMech · NaturalProductMech · PathwayMech · TraitMech