2,3-Diaminopropionic acid

2,3-Diaminopropionic acid (2,3-diaminopropionate, Dpr)^[1] is a non-proteinogenic amino acid found in certain secondary metabolites, including zwittermicin A^[2] and tuberactinomycin.^[3]

l-2,3-Diaminopropanoic acid

Names
IUPAC name 3-Amino-L-alanine
Systematic IUPAC name (2S)-2,3-Diaminopropanoic acid
Identifiers
CAS Number	4033-39-0
3D model (JSmol)	Interactive image
ChEBI	CHEBI:16303
ChemSpider	87849
KEGG	C03401
PubChem CID	97328
UNII	JE1TUV83JA
CompTox Dashboard (EPA)	DTXSID80193328
InChI InChI=1S/C3H8N2O2/c4-1-2(5)3(6)7/h2H,1,4-5H2,(H,6,7)/t2-/m0/s1 Key: PECYZEOJVXMISF-REOHCLBHSA-N
SMILES C([C@@H](C(=O)O)N)N
Properties
Chemical formula	C3H8N2O2
Molar mass	104.109 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Not to be confused with Diaminopimelic acid.

Biosynthesis

2,3-Diaminopropionate is formed by the pyridoxal phosphate (PLP) mediated amination of serine.

Biosynthesis of l-2,3 Diaminopropionate