primary structure

American  

noun

1. Biochemistry. the basic sequence of amino acids in a polypeptide or protein.

2. the basic parts of an aircraft, damage to which would be dangerous.

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primary structure Scientific  

1. The linear sequence of amino acids in a protein.

2. See also quaternary structure secondary structure tertiary structure

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Example Sentences

The fuselage is the primary structure of an aircraft, forming the outer shell.

From Barron's

The primary structure of a protein is composed of different amino acids coming together.

From Science Daily

Larger homes are now commonplace: The median new primary structure size in 2020 in the proposed wildlife ordinance area was 8,854 square feet, according to the city.

From Los Angeles Times

The primary structure of hearing in the skull is called a cochlea.

From Scientific American

But in a one-party city like New York, a one-party primary structure can stifle new voices and even pit women and racial minorities against each other in a winner-takes-all system.

From Salon