"functional regulator" is a correct and usable phrase in written English.
You can use it to refer to something that controls or directs a function or process. For example: "The functional regulator ensures the smooth operation of the machinery."
(2) Subject to the provisions of paragraphs (c) and (d) of this section, a bank (as defined in § 1010.100(d)) that is not subject to regulation by a Federal functional regulator (as defined in § 1010.100(r)) is exempt from the requirement in 31 U.S.C. 5318(h)(1) concerning the establishment of anti-money laundering programs.
The Fed is required to "consult" with the primary "functional" regulator of the subject firm (if any).
(2) Rules adopted by the Federal Trade Commission or another federal functional regulator under Title V of the GLBA treat the broker, dealer, or investment company, or investment adviser registered with the Commission as an affiliate of that company.
One of the very earlier available functional appliances is the functional regulator (FR -2 [6].
The data reported here defined that the Shewanella FadR homologue is a functional regulator with the involvement of fatty acid metabolism.
This retrospective controlled study aimed at evaluating the skeletal and dental changes in class II subjects produced by the functional regulator (FR -2 treatment during the pre-pubertal growth phase.
These findings suggest that expression of pseudogenes lncRNAs are actively regulated and constitute functional regulators of inflammatory signaling.
Those observations indicated that the miRs we identified in the present study might be functional regulators of the migration and metastasis of breast cancer via regulating Cx43 expression.
Nonetheless, having different and functional regulators could be healthy, if done right.
Sakai, T. Epithelial branching morphogenesis of salivary gland: exploration of new functional regulators.
Melnik, B. C. et al. Milk miRNAs: simple nutrients or systemic functional regulators?
