The phrase "a key structural role" is correct and usable in written English.
It can be used to describe an important function or position within a system, organization, or framework.
Example: "The new policy plays a key structural role in improving the efficiency of our operations."
Alternatives: "a crucial foundational role" or "an essential organizational role".
They promote the assembly of tubulin monomers into microtubules and modulate their stability, thus playing a key structural role in the distal portion of axons.
The spectrin-actin complex with its associated proteins has a key structural role in mediating cross-linking of spectrin into the network of the membrane skeleton, and is a potential site for regulation of membrane properties.
It is also believed to play a key structural role in the pericellular extracellular matrix of the growth plate and is required for the organization of the proliferative zone (Plumb et al., 2011).
Despite a key structural role in biological membranes, glycosphingolipids (GSLs) are increasingly recognized as secondary intermediates that participate in various cellular processes, including cell adhesion, differentiation, signal transduction and cell death [6], [7].
Recent work indicates that RMI1 plays a key structural role in this process [ 31, 39].
In this case, Leu308 may play a key structural role in specific activation of hPXR by BPA.
Nevertheless, the potential for a biogeographic shift in distribution of C. finmarchicus is of concern because of its key structural role in the GoMA ecosystem.
Xu actually discovered the key structural role of spectrin.
Polysaccharides, proteoglycans and glycolipids play key structural roles in all kingdoms of life, for example in plant, fungal and bacterial cell walls and in the animal extracellular matrix.
Sequence alignments with other Notch ligands suggest that the C2 domain is present in all mammalian Notch ligands, with conserved residues mapping to those that play key structural roles, and residues exposed on the surface of the domain being more variable.
The masseter muscle plays a key structural and functional role in the stomatognathic system.
