3j7y | pdb_00003j7y

Structure of the large ribosomal subunit from human mitochondria

Loading... Status: waiting for Mol* initialization Structural highlights 3j7y is a 10 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 3.4Å Ligands: MG, ZN Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function RM02_HUMAN Publication Abstract from PubMed Human mitochondrial ribosomes are highly divergent from all other known ribosomes and are specialized to exclusively translate membrane proteins. They are linked with hereditary mitochondrial diseases and are often the unintended targets of various clinically useful antibiotics. Using single-particle electron cryomicroscopy, we have determined the structure of its large subunit to 3.4 angstrom resolution, revealing 48 proteins, 21 of which are specific to mitochondria. The structure unveils an adaptation of the exit tunnel for hydrophobic nascent peptides, extensive remodeling of the central protuberance, including recruitment of mitochondrial tRNAVal to play an integral structural role, and changes in the tRNA binding sites related to the unusual characteristics of mitochondrial tRNAs. Structure of the large ribosomal subunit from human mitochondria.,Brown A, Amunts A, Bai XC, Sugimoto Y, Edwards PC, Murshudov G, Scheres SH, Ramakrishnan V Science. 2014 Oct 2. pii: 1258026. PMID:25278503 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Transfer RNA (tRNA)

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