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Molecular Landscapes by David S. Goodsell

Mycoplasma mycoides, 2011


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Acknowledgement: Illustration by David S. Goodsell, The Scripps Research Institute. doi: 10.2210/rcsb_pdb/goodsell-gallery-011

This illustration shows an entire mycoplasma cell, created in collaboration with Field Test Independent Film Corps. The cell shown here is about 300 nanometers in diameter, which is at the small end of the range of observed sizes.

Key for “Mycoplasma mycoides”

    Protein synthesis (labels in black)
  1. DNA
  2. DNA polymerase
  3. single-stranded-DNA binding protein (protects single-stranded portions during replication)
  4. RNA polymerase
  5. messenger RNA
  6. ribosome
  7. transfer RNA(in pink) and elongation factor Tu (in blue)
  8. elongation factor Tu and Ts
  9. elongation factor G
  10. aminoacyl-tRNA synthetases
  11. topoisomerases
  12. Rec system for DNA repair: a) RecA, b) RecBC
  13. chaperonin GroEL (helps folding of new proteins)
  14. ClpA (destroys old proteins)

    15. Enzymes for energy production (labels in red)
  15. glycolytic enymes
  16. pyruvate dehydrogenase complex

    17. Membrane proteins (labels in blue)
  17. ATP synthase
  18. secretory proteins
  19. sodium pump
  20. zinc transporter
  21. magnesium transporter
  22. ABC transporter (different ABC transporters transport different types of molecules-ABC is short for "ATP-binding cassette")
  23. magnesium transporter
  24. lipoglycan (long carbohydrate chains connected to lipid in the membrane)