The phrase "a parallel function to" is correct and usable in written English.
It can be used when comparing or relating two functions or roles that serve similar purposes or operate in a similar manner.
Example: "The new software provides a parallel function to the existing system, allowing for greater efficiency in data processing."
Alternatives: "a similar role to" or "an equivalent function to".
During the rainy season, however, a parallel function kicked in, and the trench was transformed into a large cistern that filled to capacity and submerged the steps sometimes to the surface of the land.
Irish finance minister Michael Noonan publicly voiced doubts about the EFSF's future, saying the ECB must continue to play a parallel role "until the EFSF firewall has been put in place, whenever that may be" and even then "the ECB must carry out a parallel function until it is quite clear that the new firewall is doing its job".
AtWRKY70 functions as an activator of SA-dependent defence genes and a repressor of JA-regulated genes, and the expression levels of its orthologue, ZmWRKY115, are also apparently increased upon the fungal infection, implying a parallel function in defence response.
Sheep MIF shared high amino acid identity with the other mammalian MIF family members and showed parallel functions to human MIF, displaying enzymatic oxoreductase activity and inducing monocyte transmigration.
Far from grounding intellect in sensation, al-Kindi argues in On the Intellect that the human intellect has a parallel, but separate, function to human sense-perception.
Alternatively, Fun30 may promote cell cycle progression in a parallel pathway to ORC function, e.g., by regulating histone metabolism or facilitating DNA polymerase progression through chromatin.
This parallel function has already proven to be a useful tool in elucidating the role of the mu-opioid receptor in alcoholism.
Because GARP is constitutively expressed on platelets [ 26, 45], and because a potential function of GARP on thrombus formation has recently been reported [ 46], important questions about GARP signaling and parallel function in platelets compared to Treg cells could be considered.
The system appears to be running amok, operating without safeguards, limits or morality, set in motion by the Patriot Act and continuing to function on a parallel universe to the current administration.
Alternatively, MUL1 could function in a parallel pathway to PINK1/Parkin, but with action on a common target such as Mfn.
