The phrase "a key structural component of" is correct and usable in written English.
It can be used when discussing essential elements that contribute to the overall structure or function of something, such as a system, organization, or physical object.
Example: "The foundation is a key structural component of the building, ensuring its stability and safety."
Alternatives: "an essential part of" or "a fundamental element of".
It is a key structural component of cell membranes, maintaining their fluidity and stability, and enabling important processes such as endocytosis.
Notably, a conserved tryptophan residue (W453) that constitutes a key structural component of the K4me3-binding surface and is essential for RAG2's recognition of H3K4me3 is mutated in patients with immunodeficiency syndromes.
Incorporation of endogenous elastin, a key structural component of the vascular extracellular matrix (ECM), is an important requirement for engineered vascular tissues.
Lipid A is the hydrophobic anchor for LPS and a key structural component of the outer membrane of Gram-negative bacteria.
Residues E402 and R404 of the Escherichia coli serine chemoreceptor, Tsr, appear to form a salt bridge that spans the interfaces between neighboring dimers in the Tsr trimer of dimers, a key structural component of receptor core signaling complexes.
P. syringae HrcC is a key structural component of the type III secretion system conserved in a wide range of gram negative pathogens, that delivers a suite of virulence effectors directly into host cells [13].
Thus, it can be suggested that the RQC domain, and especially the WH motif, is a key structural component in the regulation of the enzymatic activity of this family of helicases.
The moderator cell is the key structural component of a cold neutron source (CNS), which is installed close to the core of the research reactor to increase the cold neutron flux.
These opening lines signal the key structural component of the inaugural which the pundits (myself included) failed to predict: This speech looks not to Lincoln, but to Washington.
The key structural components of the S-layer are two proteins derived from a polypeptide precursor, SlpA, via proteolytic cleavage by the protease Cwp84.
The key structural components of the majority of transportation vehicles are designed as thin-walled components.
