SGD Paper 
Dani HM, et al. (2003) Advances in the structure and functions of signal recognition particle in protein targeting. J Biol Regul Homeost Agents 17(4):303-7
Abstract: The signal recognition particle (SRP) is a unique moiety in living cells, which has been conserved during evolution for protein targeting and translocation across membranes in collaboration with its receptor (SR). The structural and functional features of its components, (six polypeptides and RNA) are being rapidly elucidated. We have endeavored in this review to epitomize most recent advances in this field. Its two domains (S and Alu) play important roles in signal recognition, elongation arrest and protein targeting of the polypeptide being synthesized in the cytoplasm. SRP14 and SRP9 help in the elongation arrest by interacting with signal peptide. GTPase activity of SRP54 releases SRP from SR. In addition, alpha and beta subunits of SR also possess GTPase activities and the three GTPases help in docking of nascent peptide chain-ribosome complex to the translocation site. Further strides in proteomics employing mass spectrometry and X-ray crystallography are expected to throw more light on the molecular events occurring during protein targeting and translocation.
| Status: Published | Type: Journal Article | Review | Review, Tutorial | PubMed ID: 15065758 |
Topics addressed in this paper
Number of different genes curated to this paper: 2
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