Helicial alpha structure of proteins

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Helicial alpha structure of proteins

Helical alpha structure of proteins.



This structure is the most common type of secondary structure that constitutes the second level of protein. Linus Pauling was the first to predict the existence of alpha-helices, which was confirmed with the determination of the first three-dimensional structure of protein.

In 1922, Pauling studied a technique known as X-ray crystallography ''which makes it possible to determine the arrangement of atoms in a crystal''. Then, he used his knowledge and his understanding of chemistry rules to determine how amino acids fit together to make proteins. After using paper to make models and working with jigsaw puzzles, he eventually figured out the structure of the alpha helix of globular proteins. And he also discovered the hydrogen bonds.

Linus Carl Pauling

I discovered it in 1951.

Linus Pauling was an American chemist, biochemist, peace activist, author, and educator. For his scientific work, Pauling was awarded the Nobel Prize in Chemistry in 1954. And in 1962, he was awarded the Nobel Peace Prize. He is one of only four to have won more than one Nobel.



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