D-alanin—(R)-laktat ligaza

(Preusmjereno sa stranice D-alanine---(R)-lactate ligase)

D-alanin—(R)-laktat ligaza (EC 6.1.2.1, VanA, VanB, VanD) je enzim sa sistematskim imenom D-alanin:(R)-laktat ligaza (formira ADP).[1][2][3] Ovaj enzim katalizuje sledeću hemijsku reakciju

D-alanin—(R)-laktat ligaza
Identifikatori
EC broj 6.1.2.1
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
D-alanin + (R)-laktat + ATP D-alanil-(R)-laktat + ADP + fosfat

Produkt ovog enzim može da bude inkorporisan u peptidoglikan pentapeptid umesto u uobičajeni D-alanil-D-alanin dipeptid.

Reference uredi

  1. Bugg, T.D., Wright, G.D., Dutka-Malen, S., Arthur, M., Courvalin, P. and Walsh, C.T. (1991). „Molecular basis for vancomycin resistance in Enterococcus faecium BM4147: biosynthesis of a depsipeptide peptidoglycan precursor by vancomycin resistance proteins VanH and VanA”. Biochemistry 30: 10408-10415. PMID 1931965. 
  2. Meziane-Cherif, D., Badet-Denisot, M.A., Evers, S., Courvalin, P. and Badet, B. (1994). „Purification and characterization of the VanB ligase associated with type B vancomycin resistance in Enterococcus faecalis V583”. FEBS Lett. 354: 140-142. PMID 7957913. 
  3. Perichon, B., Reynolds, P. and Courvalin, P. (1997). „VanD-type glycopeptide-resistant Enterococcus faecium BM4339”. Antimicrob. Agents Chemother. 41: 2016-2018. PMID 9303405. 

Literatura uredi

Spoljašnje veze uredi