1nee | pdb_00001nee

Structure of archaeal translation factor aIF2beta from Methanobacterium thermoautrophicum

spinqualitylabelsall models 1nee, 20 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1nee is a 1 chain structure with sequence from Methanothermobacter thermautotrophicus. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: ZN Gene: MTH1769 (Methanothermobacter thermautotrophicus) Resources: FirstGlance, OCA, RCSB, PDBsum Function [IF2B_METTH] eIF-2 functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA (By similarity). Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed aIF2 beta is the archaeal homolog of eIF2 beta, a member of the eIF2 heterotrimeric complex, implicated in the delivery of Met-tRNA(i)(Met) to the 40S ribosomal subunit. We have determined the solution structure of the intact beta-subunit of aIF2 from Methanobacterium thermoautotrophicum. aIF2 beta is composed of an unfolded N terminus, a mixed alpha/beta core domain and a C-terminal zinc finger. NMR data shows the two folded domains display restricted mobility with respect to each other. Analysis of the aIF2 gamma structure docked to tRNA allowed the identification of a putative binding site for the beta-subunit in the ternary translation complex. Based on structural similarity and biochemical data, a role for the different secondary structure elements is suggested. Structure of the archaeal translation initiation factor aIF2 beta from Methanobacterium thermoautotrophicum: implications for translation initiation.,Gutierrez P, Osborne MJ, Siddiqui N, Trempe JF, Arrowsmith C, Gehring K Protein Sci. 2004 Mar;13(3):659-67. PMID:14978306 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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