The phrase "enact a role" is a correct and usable phrase in written English.
You can use it to describe a situation in which someone is playing a certain role or acting out a certain character; for example, "The actors in the play had to enact a number of different roles."
To enact such a role in vivo, however, this relatively large (∼4 kDa) peptide must be transported intact across the mucosal epithelium to the underlying lymphoid tissue where it can be presented by DQ2 on antigen presenting cells to gluten-specific CD4+ T cells.
During her 20-month isolation, the artist produced a series of photographic self-portraits where she enacted a series of character roles.
The photographer equipped models with mermaid tails made by designer Cynthia Brault to enact the role of a beached mermaid, hopelessly stranded upon thousands of plastic bottles 10,000 to be exact.
Informal caregivers enact the role of a 'life buddy', who shares with the patients the whole life experience beyond illness.
Mitt Romney, should he secure the Republican nomination, would confront tricky political calculations regardless of the ruling, given his role in enacting a health care law in Massachusetts built around the same type of mandate at the heart of the Supreme Court case.
His aspiration towards theatre grew at the math and was once given an opportunity to enact the role of Ekalavya's friend from the Hindu epic Mahabharata.
A case study approach was adopted as a means to explore how department chairs conceptualize and enact their role as leaders of learning.
Richard couldn't bear to enact his role, play at naughtiness.
When chunks of Spanish conversation become hard to follow he zones out, leaving his face to enact the role of involved listener and participant.
Men from Nandgaon enact the role of Krishna and his friends, provoking the women of Barsana by singing songs and hurling provocative, sexually explicit abuses.
