Cystathionine

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Cystathionine
IUPAC name 2-amino-4-(2-amino-2-carboxy-ethyl) thio-butanoic acid
Identifiers
CAS number 56-88-2
PubChem 834
MeSH Cystathionine
SMILES C(CSCC(C(=O)O)N)C(C(=O)O)N
Properties
Molecular formula C7H14N2O4S
Molar mass 222.263 g/mol
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Cystathionine is an intermediate in the synthesis of cysteine.

It is generated from homocysteine by cystathionine beta synthase.

It is cleaved into cysteine and α-ketobutyrate by cystathionine gamma-lyase.

An excess is associated with cystathioninuria.

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