Showing posts with label ATP Synthase Enzyme. Show all posts
Showing posts with label ATP Synthase Enzyme. Show all posts

Wednesday, February 7, 2024

The Spaghettification of Irreducible Complexity - Dr. Robert Carter



Irreducible Complexity describes a system that requires all of its parts for it to function, i.e., a mousetrap. Cells need to make molecular machines, i.e., ATP synthase rotors. To make each protein to produce a rotor often requires hundreds of steps, but to produce those proteins, the functioning rotor is required. The 'spaghettification' of irreducible complexity is a true Achille's heel for evolution. To learn more about Midwest Creation Fellowship and find out when and where you can attend our monthly presentations, please visit our website: midwestcreationfellowship.org

DR ROBERT CARTER

Ph.D.

Biography

Education

  • 2003 University of Miami, Ph.D. Marine Biology
  • 1992 Georgia Institute of Technology, B.S. Applied Biology

Professional Experience

  • Between my undergraduate and graduate work, I spent four years teaching high school science at a large college-prep school in NW Georgia. In addition to my teaching load (including AP biology, chemistry, physics, and electronics), I spent the winter months coaching the swimming and diving teams and the summer months running the outdoor high adventure program.
  • In 1996, I was awarded the three-year Maytag doctoral fellowship by the University of Miami. When that expired, I received a one-year fellowship from the Institute for Marine Science. While working on my PhD, I designed and performed many experiments in marine ecology and genetic engineering and helped to develop new protocols for the rapid cloning of fluorescent protein genes. The green and red fluorescent proteins my coworker and I cloned from hard and soft corals were used to create transgenic zebrafish. We patented one of these protein genes and licensed it to Promega, Inc. under the trade name ‘Monster Green’.
  • From 2001–2004, I helped design and build an aquaculture facility for Caribbean corals at UM’s Experimental Fish Hatchery. During these years I also performed over 500 research dives on the shallow coral reefs of the Florida Keys and Bahamas. Many of these were done at night to study the mass coral spawning episodes that happen at specific times during the warm summers.
  • I spent two years after obtaining my PhD working for an engineering company, mainly focused on impact mitigation for the Key West Harbor dredging project (since the channel runs right through the coral reef).
  • Upon leaving Miami, I was hired by the Institute for Creation Research to help on their GENE project. While there, I wrote computer programs to analyze human genetic data and managed to get one publication on this work into the secular literature.
  • In 2006, I was hired by Creation Ministries International as a scientist, speaker, and writer.
  • Currently, I serve on Creation Research Society board of directors and am a member of Logos Research Associates.

Secular Publications and Patents

Creationist papers and articles

Bible

Genetics

Genetic entropy

 

Human genetic history

Genetic design and information

Cloning and genetic engineering

Neandertals

Archaeology

Corals

Dinosaurs

Apologetics, how to think

Refuting fallacious thinking and bad science

Design features

Darwin and Darwinism

Radiocarbon dating

Interviews (both by and of Dr Carter)

Book reviews

 Marine Biology, Speaker/Senior Scientist, CMI-US
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Wednesday, April 10, 2013

Marvellous Molecular Machines | Creation Magazine LIVE! (2-12)




Through eye-popping computer animation, based on recent scientific discoveries, this week's episode explores amazing biological machines at work in our bodies.

The Creation Magazine LIVE! TV program is a ministry of Creation Ministries International. With
offices in seven countries and more PhD scientists than any Christian organization this program features cutting edge science that supports the Bible delivered in a non-technical, visually-rich, discussion-based format.
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Monday, November 19, 2012

The ATP Synthase Enzyme - Super Intelligent Design!



http://creation.com | This animated sequence shows the ATP Synthase enzyme in operation. The animation is based on an incredible series of scientific discoveries. Only the colours show artistic license.

ATP, or Adenosine Tri-Phosphate, is the energy currency of the cell. ATP is produced by a tiny molecular rotary motor, rotating at up to 7,000 rpm. These are so small that 100,000 would fit side-by-side in a millimetre. A current of protons drives the motor, unlike man-made electric motors, which use electrons.

This portion of the enzyme is where Adenosine Di-Phosphate is combined with a phosphate ion, in the presence of a catalyst to produce ATP which is then released, making way for the next cycle. A top view of the enzyme shows the sequential operation. Almost every bio-chemical process in your body requires ATP.

Such a nano-machine exhibits all the characteristics of super-intelligent design. ATP is vital for life and many of these motors were needed before the first living cell could exist. An evolutionary impossibility!



Related Articles:
Design in living organisms (motors: ATP synthase): http://creation.com/design-in-living-organisms-motors-atp-synthase
ATP synthase: majestic molecular machine made by a mastermind: http://creation.com/atp-synthase
Is ATP synthase found in all life?: http://creation.com/atp-synthase-in-all-life

Related Products:
The Creation Answers Book - http://creation.com/store_redirect.php?sku=10-2-505
Creation Magazine subscription - http://creation.com/store_redirect.php?sku=90-3-003
What Darwin Couldn't Know tract - http://creation.com/store_redirect.php?sku=00-1-534
Exploring the World of Biology book - http://creation.com/store_redirect.php?sku=10-1-535


Design in living organisms (motors: ATP synthase)

by Jonathan Sarfati
Bacterial flagellum with rotary motor
Bacterial flagellum with rotary motor, after Ref. 1. (from The Bacterial Flagellum, docs/mm/flagellum_all.htm>)

In our everyday experience, we can usually tell whether something has been designed. The main evidence is high information content. The information content of any arrangement is the size, in bits, of the shortest algorithm required to generate that arrangement. This means that repetitive structures, like crystals, have a low information content, because all that is needed is to specify a few positions, then the instructions ‘more of the same’. The difference between a crystal and an enzyme or DNA is like the difference between a book containing nothing but ABCD repeated and a book of Shakespeare.

On a practical level, the information specifies the many parts needed to make machines work. Often, the removal of one part can disrupt the whole machine. Biochemist Michael Behe, in his book Darwin’s Black Box (right), calls this irreducible complexity.1 He gives the example of a very simple machine: a mousetrap. This would not work without a platform, holding bar, spring, hammer and catch, all in the right place. The thrust of Behe’s book is that many structures in living organisms show irreducible complexity, far in excess of a mousetrap or indeed any man-made machine.

Motors: a case study

Motors are irreducibly complex, because they need many parts working together to function. For example, an electric motor needs a power source, fixed stator, movable rotor, and a commutator or slip rings.

ATP synthase motor
ATP synthase motor, after Ref. 4. (from ATP Mechanisms Revealed, docs/mm/atpmechanism.htm>)

The more parts needed for a machine, the harder it is to make it smaller. Miniaturisation is such a vital part of the computer industry, and the best human minds are constantly working at it. And though miniaturised motors would be very useful, e.g. for unblocking clogged arteries and blood cleaning, the number of parts makes it difficult to make them below a certain size. But ingenious scientists are making them smaller all the time.2

However the design in living organisms has far exceeded our most painstaking efforts. Bacteria propel themselves using flagella (singular flagellum, from the Latin for whip), filaments propelled by a true rotary motor. This motor is only the size of a virus, thus far smaller than anything man-made. Yet it can rotate at over 1000 times per second.3

But even this impressively tiny motor is not the tiniest in God’s creation. In a paper published in March 1997, Hiroyuki Noji et al. directly observed the rotation of the enzyme F1-ATPase, a subunit of a larger enzyme, ATP synthase.4,5 This had been suggested as the mechanism for the enzyme’s operation by Paul Boyer.6 Structural determination by X-ray diffraction by a team led by John Walker had supported this theory.7 A few months after Noji et al published their work, it was announced that Boyer and Walker had won a half share of the 1997 Nobel Prize for Chemistry for their discovery.8
The F1-ATPase motor has nine components—five different proteins with the stoichiometry of 3a:3b:1g:1d:1e. In bovine mitochondria, they contain 510, 482, 272, 146 and 50 amino acids respectively, so Mr = 371,000. F1-ATPase is a flattened sphere about 10 nm across by 8 nm high—so tiny that 1017 would fill the volume of a pinhead. This has been shown to spin ‘like a motor’ to produce ATP, a chemical which is the ‘energy currency’ of life.9 This motor produces an immense torque (turning force) for its size—in the experiment, it rotated a strand of another protein, actin, 100 times its own length. Also, when driving a heavy load, it probably changes to a lower gear, as any well-designed motor should.

ATP synthase also contains the membrane-embedded FO subunit functioning as a proton (hydrogen ion) channel. Protons flowing through FO provide the driving force of the F1-ATPase motor. They turn a wheel-like structure as water turns a water wheel, but researchers are still trying to determine precisely how. This rotation changes the conformation of the three active sites on the enzyme. Then each in turn can attach ADP and inorganic phosphate to form ATP. Unlike most enzymes, where energy is needed to link the building blocks, ATP synthase uses energy to link them to the enzyme, and throw off the newly formed ATP molecules. Separating the ATP from the enzyme needs much energy.

Note: the names of the two components are historical. The F1 unit comes from the term ‘Fraction 1’, and the name FO (written as a subscript capital O, not zero) is due to its being the oligomycin-binding fraction.

ATP synthase is the central enzyme in energy conversion in mitochondria (where they are embedded into the cristae, folds in the mitochondrion’s inner membrane), chloroplasts and bacteria. This probably makes ATP synthase the most ubiquitous protein on Earth. Since energy is required for life, and all life uses ATP as its energy currency (each of us synthesizes and consumes half our bodyweight of ATP per day!), life could not have evolved before this motor was fully functional. Natural selection by definition is differential reproduction, so requires self-reproducing entities to start with. So even if a series of gradual steps could be imagined up this peak of ‘Mount Improbable’, there would be no natural selection to enable that climb.

One of the Nature articles was appropriately entitled ‘Real Engines of Creation’. Unfortunately, despite the evidence for exquisite design, many scientists (including the editor of Nature) still have a blind faith that mutations and natural selection could build such machines.

Animation of ATP synthase.
Would any evidence convince evolutionists?

The famous British evolutionist (and communist) J.B.S. Haldane claimed in 1949 that evolution could never produce ‘various mechanisms, such as the wheel and magnet, which would be useless till fairly perfect.’10 Therefore such machines in organisms would, in his opinion, prove evolution false. These molecular motors have indeed fulfilled one of Haldane’s criteria. Also, turtles11 and monarch butterflies12 which use magnetic sensors for navigation fulfil Haldane’s other criterion. I wonder whether Haldane would have had a change of heart if he had been alive to see these discoveries. Many evolutionists rule out intelligent design a priori, so the evidence, overwhelming as it is, would probably have no effect.

Animations (off-site)

Related articles

References

  1. Behe, M.J., 1996. Darwin’s Black Box: The Biochemical Challenge to Evolution, The Free Press, New York. Reviewed by Ury, T.H., 1997. Journal of Creation 11(3):283–291. Return to text
  2. Hogan, H., 1996. Invasion of the micromachines. New Scientist 150(2036):28–33. Return to text
  3. For a good description, see Behe, Ref. 1. Return to text
  4. Hiroyuki Noji et al., 1997. Direct observation of the rotation of F1-ATPase. Nature 386(6622):299–302. Comment by Block, S. Real engines of creation. Same issue, pp. 217–219. Return to text
  5. Wu, C., 1997. Molecular motor spins out energy for cells. Science News 151(12):173. Return to text
  6. Boyer, P., 1993. Biochim. Biophys. Acta 1140:215–250. Return to text
  7. Abrahams, J.P. et al., 1994. Structure at 2.8 Å resolution of F1-ATPase from bovine heart mitochondria. Nature 370(6491):621–628. Comment by Cross, R.L. Our primary source of ATP. Same issue, pp. 594–595. Return to text
  8. Service, R.F., 1997. Awards for High-Energy Molecules and Cool Atoms. Science 278(5338):578–579. The third winner is Jens Skou of the University of Aarhus in Denmark. Forty years ago, he was the first to identify an enzyme that moves substances through cell membranes (in this case, sodium and potassium ions). This is a key function of all cells. Return to text
  9. ATP stands for adenosine triphosphate. It is a high energy compound, and releases this energy by losing a phosphate group to give ADP, adenosine diphosphate. Return to text
  10. Dewar, D., Davies, L.M. and Haldane, J.B.S., 1949. Is Evolution a Myth? A Debate between D. Dewar and L.M. Davies vs. J.B.S. Haldane, Watts & Co. Ltd / Paternoster Press, London, p. 90. Return to text
  11. Sarfati, J.D., 1997. Turtles can read magnetic maps. Return to text
  12. Poirier, J.H., 1997. The Magnificent Migrating Monarch. Creation 20(1):28–31. But monarchs only use the earth’s magnetic field to give them the general direction, while they rely on the sun’s position for most of their navigation. Return to text

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