Compound

S-(2-aminoethyl)-L-cysteine

Major microspecies at pH 7.3.

Definition from ChEBI (CHEBI:156132), read 2026-09-23. CC BY 4.0.

CHEBI:156132ChEBI

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Structure

2D depiction · 3D model shown

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A generated conformer of S-(2-aminoethyl)-L-cysteine — one low-energy arrangement PubChem computed, not a measured structure. Hydrogens are not drawn; the formula counts them.

Class: Organic compound, cation
Formula: C5H13N2O2S
Mass: 165.238 g/mol
Charge: +1
InChIKey: GHSJKUNUIHUPDF-BYPYZUCNSA-O
SMILES: [NH3+]CCSC[C@H]([NH3+])C(=O)[O-]
Look it up: ChEBI PubChem By InChIKey

Identity from ChEBI, geometry from PubChem. Not evidence.

What it touches on the way

Mechanistic reach

1 entity

1 entities reached.

0 reported hops1 assembled from the scaffold

SAT2ProteinUNIPROT:Q96F10substrate ofInferred only1 path1 endpoint

What the reference databases state

Chemical structure

S-(2-acetamidoethyl)-L-cysteine has the functional parent S-(2-aminoethyl)-L-cysteineCompoundChEBI CHEBI:156134Inferred only

Statements

2 statements

2 statements · 1 reference database · Subject: S-(2-aminoethyl)-L-cysteine · Sources: Rhea

Order

S-(2-aminoethyl)-L-cysteine is converted to S-(2-acetamidoethyl)-L-cysteineCompoundRhea RHEA:64804Inferred only
S-(2-aminoethyl)-L-cysteine is a substrate of SAT2ProteinRhea RHEA:64804Inferred only

Reactions

3 reactions

S-(2-aminoethyl)-L-cysteine+NAD(1-)CHEBI:156133+ammonium+NADH(2-)+2hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:64800CC BY 4.0Reference data
S-(2-aminoethyl)-L-cysteine+acetyl-CoAS-(2-acetamidoethyl)-L-cysteine+coenzyme A(4-)+hydron
Catalysed by SAT2
Reaction pageLeft to rightBalanced
Rhea RHEA:64804CC BY 4.0Reference data
S-(2-aminoethyl)-L-cysteine+NAD(1-)+waterCHEBI:156378+ammonium+NADH(2-)+hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:65196CC BY 4.0Reference data

Other names

2 names

Resolves to: S-(2-aminoethyl)-L-cysteine

Also called: S-(beta-aminoethyl)-L-cysteineS-(β-aminoethyl)-L-cysteine