Nisko-specifična L-treoninska aldolaza

Nisko-specifična L-treoninska aldolaza (EC 4.1.2.48, LtaE) je enzim sa sistematskim imenom L-treonin/L-allo-treonin acetaldehid-lijaza (formira glicin).[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

Nisko-specifična L-treoninska aldolaza
Identifikatori
EC broj 4.1.2.48
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
(1) L-treonin glicin + acetaldehid
(2) L-allo-treonin glicin + acetaldehid

Za dejstvo ovog enzima je neophodan piridoksal fosfat.

Reference uredi

  1. Yamada, H., Kumagai, H., Nagate, T. and Yoshida, H. (1970). „Crystalline threonine aldolase from Candida humicola”. Biochem. Biophys. Res. Commun. 39: 53-58. PMID 5438301. 
  2. Kumagai, H., Nagate, T., Yoshida, H. and Yamada, H. (1972). „Threonine aldolase from Candida humicola. II. Purification, crystallization and properties”. Biochim. Biophys. Acta 258: 779-790. PMID 5017702. 
  3. Liu, J.Q., Nagata, S., Dairi, T., Misono, H., Shimizu, S. and Yamada, H. (1997). „The GLY1 gene of Saccharomyces cerevisiae encodes a low-specific L-threonine aldolase that catalyzes cleavage of L-allo-threonine and L-threonine to glycine–expression of the gene in Escherichia coli and purification and characterization of the enzyme”. Eur. J. Biochem. 245: 289-293. PMID 9151955. 
  4. Liu, J.Q., Dairi, T., Itoh, N., Kataoka, M., Shimizu, S. and Yamada, H. (1998). „Gene cloning, biochemical characterization and physiological role of a thermostable low-specificity L-threonine aldolase from Escherichia coli”. Eur. J. Biochem. 255: 220-226. PMID 9692922. 
  5. Kim, J., Kershner, J.P., Novikov, Y., Shoemaker, R.K. and Copley, S.D. (2010). „Three serendipitous pathways in E. coli can bypass a block in pyridoxal-5′-phosphate synthesis”. Mol. Syst. Biol. 6: #436-436. PMID 21119630. 

Literatura uredi

Spoljašnje veze uredi