Četica prepoznavanja signala
Četica prepoznavanja signala (EC 3.6.5.4) je enzim sa sistematskim imenom GTP fosfohidrolaza (pomoć pri proteinskoj sintezi).[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju
- GTP + H2O GDP + fosfat
Dejstvo ovih enzima je vezano za prepoznavanje signalnih čestica.
Reference
- ^ Connolly, T. & Gilmore, R. (1989). „The signal recognition particle receptor mediates the GTP-dependent displacement of SRP from the signal sequence of the nascent polypeptide”. Cell. 57: 599—610. PMID 2541918.
- ^ Connolly, T., Rapiejko, P.J. and Gilmore, R. (1991). „Requirement of GTP hydrolysis for dissociation of the signal recognition particle from its receptor”. Science. 252: 1171—1173. PMID 1851576.
- ^ Miller, J.D., Wilhelm, H., Gierasch, L., Gilmore, R. and Walter, P. (1993). „GTP binding and hydrolysis by the signal recognition particle during initiation of protein translocation”. Nature. 366: 351—354. PMID 8247130.
- ^ Freymann, D.M., Keenan, R.J., Stroud, R.M. and Walter, P. (1997). „Structure of the conserved GTPase domain of the signal recognition particle”. Nature. 385: 361—364. PMID 9002524.
Literatura
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