Acil-homoserin-lakton sintaza

Acil-homoserin-lakton sintaza (EC 2.3.1.184, acil-homoserin laktonska sintaza, acil homoserin laktonska sintaza, acil-homoserinlakton sintaza, acilhomoserin laktonska sintaza, AHL sintaza, AHS, AHSL sintaza, AhyI, AinS, AinS protein, autoinducer sintaza, autoinducer sinteza protein rhlI, EsaI, ExpISCC1, ExpISCC3065, LasI, LasR, LuxI, LuxI protein, LuxM, N-acil homoserin lakton sintaza, RhlI, YspI, acil-(acil nosilac protein):S-adenozil-L-metionin aciltranseraza (formira lakton, otpušta metiltioadenozin)) je enzim sa sistematskim imenom acil-(acil-nosilac protein):S-adenozil-L-metionin aciltranseraza (formira lakton).[1][2][3][4][5][6][7][8][9] Ovaj enzim katalizuje sledeću hemijsku reakciju

Acil-homoserin-lakton sintaza
Identifikatori
EC broj 2.3.1.184
CAS broj 176023-66-8
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
acil-[acil-nosilac protein] + S-adenozil-L-metionin [acil-nosilac protein] + S-metil-5'-tioadenozin + N-acil-L-homoserin lakton

Acil-homoserinske laktone formiraju brojne bakterijske vrste. Oni se koriste za regulaciju izražavanja gena virulencije u procesu poznatom kao očitavanje kvoruma.

Reference uredi

  1. Schaefer, A.L., Val, D.L., Hanzelka, B.L., Cronan, J.E., Jr. and Greenberg, E.P. (1996). „Generation of cell-to-cell signals in quorum sensing: acyl homoserine lactone synthase activity of a purified Vibrio fischeri LuxI protein”. Proc. Natl. Acad. Sci. USA 93: 9505-9509. PMID 8790360. 
  2. Watson, W.T., Murphy, F.V., 4th, Gould, T.A., Jambeck, P., Val, D.L., Cronan, J.E., Jr., Beck von Bodman, S. and Churchill, M.E. (2001). „Crystallization and rhenium MAD phasing of the acyl-homoserinelactone synthase EsaI”. Acta Crystallogr. D Biol. Crystallogr. 57: 1945-1949. PMID 11717525. 
  3. Chakrabarti, S. and Sowdhamini, R. (2003). „Functional sites and evolutionary connections of acylhomoserine lactone synthases”. Protein Eng. 16: 271-278. PMID 12736370. 
  4. Hanzelka, B.L., Parsek, M.R., Val, D.L., Dunlap, P.V., Cronan, J.E., Jr. and Greenberg, E.P. (1999). „Acylhomoserine lactone synthase activity of the Vibrio fischeri AinS protein”. J. Bacteriol. 181: 5766-5770. PMID 10482519. 
  5. Parsek, M.R., Val, D.L., Hanzelka, B.L., Cronan, J.E., Jr. and Greenberg, E.P. (1999). „Acyl homoserine-lactone quorum-sensing signal generation”. Proc. Natl. Acad. Sci. USA 96: 4360-4365. PMID 10200267. 
  6. Ulrich, R.L. (2004). „Quorum quenching: enzymatic disruption of N-acylhomoserine lactone-mediated bacterial communication in Burkholderia thailandensis. Appl. Environ. Microbiol. 70: 6173-6180. PMID 15466564. 
  7. Gould, T.A., Schweizer, H.P. and Churchill, M.E. (2004). „Structure of the Pseudomonas aeruginosa acyl-homoserinelactone synthase LasI”. Mol. Microbiol. 53: 1135-1146. PMID 15306017. 
  8. Raychaudhuri, A., Jerga, A. and Tipton, P.A. (2005). „Chemical mechanism and substrate specificity of RhlI, an acylhomoserine lactone synthase from Pseudomonas aeruginosa”. Biochemistry 44: 2974-2981. PMID 15723540. 
  9. Gould, T.A., Herman, J., Krank, J., Murphy, R.C. and Churchill, M.E. (2006). „Specificity of acyl-homoserine lactone synthases examined by mass spectrometry”. J. Bacteriol. 188: 773-783. PMID 16385066. 

Literatura uredi

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