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  • 113297810764015664897708928224415508PublicAssets/5780Ribosomes are complex machines made up of more than 50 proteins and three or four strands of genetic material called ribosomal RNA (rRNA). The busy cellular machines make proteins, which are critical to almost every structure and function in the cell. To do so, they read protein-building instructions, which come as strands of messenger RNA. Ribosomes are found in all forms of cellular life—people, plants, animals, even bacteria. This illustration of a bacterial ribosome was produced using detailed information about the position of every atom in the complex. Several antibiotic medicines work by disrupting bacterial ribosomes but leaving human ribosomes alone. Scientists are carefully comparing human and bacterial ribosomes to spot differences between the two. Structures that are present only in the bacterial version could serve as targets for new antibiotic medications.From PDB’s Molecule of the Month collection (direct link: http://pdb101.rcsb.org/motm/121) Molecule of the Month illustrations are available under a CC-BY-4.0 license. Attribution should be given to David S. Goodsell and the RCSB PDB. David S. Goodsell and the RCSB PDBIllustration

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    Molecular Structures

    Ribosome illustration from PDB

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    Ribosomes are complex machines made up of more than 50 proteins and three or four strands of genetic material called ribosomal RNA (rRNA). The busy cellular machines make proteins, which are critical to almost every structure and function in the cell. To do so, they read protein-building instructions, which come as strands of messenger RNA. Ribosomes are found in all forms of cellular life—people, plants, animals, even bacteria. This illustration of a bacterial ribosome was produced using detailed information about the position of every atom in the complex. Several antibiotic medicines work by disrupting bacterial ribosomes but leaving human ribosomes alone. Scientists are carefully comparing human and bacterial ribosomes to spot differences between the two. Structures that are present only in the bacterial version could serve as targets for new antibiotic medications.

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    From PDB’s Molecule of the Month collection (direct link: http://pdb101.rcsb.org/motm/121) Molecule of the Month illustrations are available under a CC-BY-4.0 license. Attribution should be given to David S. Goodsell and the RCSB PDB.

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    David S. Goodsell and the RCSB PDB

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    Illustration

    ID

    5780

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