The phrase "addition to its activity as a" is correct and usable in written English.
It can be used when discussing the various roles or functions of an entity, particularly in a formal or academic context.
Example: "In addition to its activity as a research institution, the university also provides community outreach programs."
Alternatives: "besides its role as a" or "in conjunction with its function as a".
The strong cytoplasmic localisation of dSmyd4 in embryos suggests that in addition to its activity as a transcriptional repressor, dSmyd4 may perform additional cytoplasmic functions, for example the methylation of non-histone substrates.
In addition to its activity as a cholinesterase inhibitor, data suggest that chlorpyrifos may cause decreased DNA synthesis and developmental alterations [17], [18].
In addition to its activity as a ubiquitin ligase, Not4 also contains a putative RNA recognition motif (RRM), that has significant sequence similarity to characterized RNA binding domains [26], [78].
In addition to its activity as a GTPase, Ran might also regulate RanBP2 importin β1 interactions.
Thus, the interaction of DMBA with HFD may influence tumorigenesis by immune modulation in addition to its activity as a mutagen.
In addition to its activity as a deacetylase, SIRT1 is known to localize to the promoters of quite a few aberrantly silenced tumor suppressor genes whose DNA is hypermethylated (Jones and Baylin 2002).
In addition to its hemolytic activity, enterotoxicity, cytotoxicity as well as cardiotoxicity have been confirmed in TDH [ 6].
These results suggested that POP acted as an esterase, in addition to its known peptidase activity.
In addition to her numerous activities as a public figure, Coretta Scott King was a wonderful mother who nurtured her four children with unflagging dedication.
In addition to this, actual immunization activities as well as other health interventions were undertaken.
In addition, physical activity as a mediating variable links SEP to the high blood pressure variable.
