Molecule: L-threonine zwitterion

Zwitterionic form of L-threonine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.
Synonyms for L-threonine zwitterion :
(2S,3R)-2-ammonio-3-hydroxybutanoate
L-threonine
Molecular Formula: C4H9NO3
Molecular wt: 119.11920 g/mole
Charge: 0
SMILES: C[C@@H](O)[C@H]([NH3+])C([O-])=O
InChIKey: AYFVYJQAPQTCCC-GBXIJSLDSA-N
InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m1/s1
CHEBI:57926
Sample reactions for this molecule:
SLC1A4-mediated exchange of extracellular threonine for cytosolic alanine, serine, or cysteine
SLC1A4-mediated exchange of extracellular threonine for cytosolic alanine, serine, or cysteine
threonine + tRNA(Thr) + ATP => Thr-tRNA(Thr) + AMP + pyrophosphate
threonine + tRNA(Thr) + ATP => Thr-tRNA(Thr) + AMP + pyrophosphate
TDH tetramer oxidises L-Thr to 2A-3OB
SDS dimers:PXLP dehydrate L-Thr to 2AA