The phrase "as an essential function" is correct and usable in written English.
It can be used when describing a critical role or purpose that something serves within a system or process.
Example: "The software operates as an essential function in managing the company's data flow."
Alternatives: "as a crucial role" or "as a key component".
The comparisons of ESCs across species and between human ESCs and embryonal carcinoma stem cells suggest that while pluripotency as an essential function in multicellular organisms is conserved throughout evolution, mechanisms primed for differentiation are less conserved and contribute substantially to the differences among stem cells derived from different tissues or species.
But when he talked seriously about the issue, Obama affirmed presidential term limits as an essential function of healthy democracies.
These drugs, as an essential function of their painkilling mechanism, throttle the autonomic nervous system, those functions that happen without our volition, like breathing and heart rate, and bowel movements.
That is, we show that a network motif should not be merely considered as an interaction pattern but be considered as an essential function unit in organizing modules of networks.
The enforcement of social norms as an essential function of stigma in conditions perceived as voluntary, might explain this link more adequate and might be a plausible consequence of stigmatization [ 36].
Recently, by virtue of network motifs, Jin et al. further presented the concepts of 'motif party hubs' and 'motif date hubs', and showed that a network motif should be considered as an essential function unit in organizing modules of biological networks [ 23].
HIV 1 PR is one of the main targets of Acquired Immuno-Deficiency Syndrome therapies as it performs an essential function in the HIV life cycle by cleaving the viral poly-protein and producing the components that are needed for the mature virus assembly.
SLX1 and SLX4 were first identified in yeast as genes with an essential function in the absence Sgs1 (Mullen et al. 2000).
Proteins were mentioned as potential targets for drug design and development as they may play an essential function in the parasite.
Missense mutations of closely spaced histidine codons would also be favoured as long as they did not interfere with an essential function.
Of these proteins, HSP-60, a mammalian stress protein, is constitutively expressed and plays an essential function as a molecular chaperone under normal cellular conditions [ 35].
