The phrase 'possess capacity' is correct and usable in written English.
You can use it to express that someone or something has the capability or ability to do something. For example: "The new worker possesses the capacity to work well with others."
Some of the states in the Global South are currently emerging as powerful international entities and are beginning to possess capacity to challenge the predominance of the Northern states in the international system.
For instance, introgression of C. maenas mitochondrial genomes throughout the Japanese population suggests the possibility that those populations possess capacity for thermal adaptation significantly different from native C. aestuarii.
In addition, several works showed that MSCs obtained from other tissues, including lung, spleen, thymus, and others, also possess capacity to suppress T-cell proliferation [ 31, 97, 102– 102].
Our data showed that MCF-7, MDA-MB-231, and U937 cells possess capacity for collagen degradation, but this capacity is augmented when MDA-MB-231 and U937 cells were cocultured.
Humans are morally considerable because of the distinctively human capacities we possess, capacities that only we humans have.
In this regard, the equine periodontium appears to possess capacities for tissue regeneration and tissue remodeling exceeding those of other species by far.
In this study we tested the hypothesis that GrB possesses capacity to bind and disrupt lipid membranes.
It's the sensation you are able to feel when you possess a capacity for empathy.
What are runs if you do not possess the capacity to bowl out the opposition twice?
We are confident that federal judges possess the capacity to undertake this review.
And Mr. Stockman's Danny never seems to possess the capacity for violence others describe.
