Yes, but that part is usually 100%! We use "of" with nouns to mean that we think or feel a certain way about them. We could (and should!) use the verb or adjective forms of these nouns as well to mean the same thing, e.g.:
This item is of concern to us (We're concerned about this item)
This product is of interest to us (We're interested in this product)
It is of the utmost value to learn how to concentrate (It's extremely valuable to learn how to concentrate)