The phrase "a predominant component" is correct and usable in written English.
It can be used to describe something that is the most important or influential part of a larger whole.
Example: "In the study of ecosystems, sunlight is a predominant component that affects plant growth and animal behavior."
Alternatives: "a key element" or "a major factor".
Although adipose tissue is a predominant component of stroma in mammary tissues and secretes various cytokines, chemokines and growth factors, roles of adipocytes in breast cancers remain to be elucidated.
As the mountain chain in Korea is a predominant component of the N-S direction, we decided on computing the smoothed data along the E-W direction so as to preserve the directional properties.
Genetic evidence using tobacco and Arabidopsis plants have indicated that PIP aquaporins mediate water uptake by roots and are a predominant component of the L pr (Martre et al. [2002]; Siefritz et al. [2002]; Javot et al. [2003]).
A bi-exponential model to fit the curves reported in Fig. 2b and c can be ruled out because previous in vitro studies [20, 21], testing bi-exponential fitting functions in T2 decays, demonstrated a negligible component with a very short time constant and a predominant component with a time constant comparable to the mono-exponential fitting relaxation time.
Amongst possible candidates, we tested granule cells (GCs), which are a predominant component of the postnatal cerebellum and well-known regulators of PC maturation [24], [26].
It is important to point out that these fruits comprised a predominant component (54% of total fruit attempts) of the diet of spider monkeys at the study site.
Coronavirus M protein is an essential and predominant component of the virions.
Ultrastructural observations detected a large symmetrical particle as the predominant component and a small asymmetric assembly as the second major component in highly purified MG23 preparations.
It fears that if Assad goes now he might be replaced by anarchic forces in which al-Qa'ida-linked militias would be a powerful if not predominant component.
In any case, Aβ40 is invariably a major if not predominant component of the fibrils in AD, and fibrils made solely from synthetic Aβ40 were the basis for the structural models that we consider herein.
However, the TGF-β inhibitor data clearly show that the emergence of Foxp3+ cells in the IFN-γ protocol is the result if several interrelated factors of which endogenous TGF-β is an important but not predominant component.
