The phrase 'constitutes its core' is correct and usable in written English.
You can use it to refer to something that is an essential part of a whole, or is the most defining feature of it. For example, "Attention to detail constitutes the core of successful projects."
One of its principal disadvantages when used in printing and typing is its utilization of a large number of special symbols in addition to the letters of the Roman alphabet that constitute its core.
However, a handful of canonical dicta are usually thought of as constituting its core: not to lie; to adopt the end of helping others; to adopt the end of developing one's talents.
Although reference does not exhaust meaning, it constitutes its essential core.
In particular, although positive-strand RNA viruses of eukaryotes share only one gene, the RdRp, with RNA bacteriophages, this gene occupies more than half of the genome coding capacity in the phages and the smallest eukaryotic viruses, and its product is either the sole virus-specific component of the replication machinery of the respective viruses or, at least, constitutes its catalytic core.
We finally subjected the long version of PML RING to limited proteolysis and mass sequencing, revealing that residues 53 98 constitute its structured core domain (Fig. 3g and Supplementary Figure 5).
Like much else concerning the tradition, its origins are not well understood, although the valleys around Tequila, Jalisco, which include the archaeological sites of Huitzilapa and Teuchitlan, constitute its "undisputed core".
According to Strauss (and many others), the West is the civilization constituted at its core by the coming together of classical philosophy and biblical revelation.
The U.S. must also recognize that North Korea's nuclear program constitutes the core of its political program.
Its 20S subunit constitutes the core of the proteasome.
In the EU, public participation constitutes the core concept of the Aarhus Convention and its resulting European legislation.
