activity_directly_regulates_activity_of
Holds between molecular entities A and B where A can physically interact with B and in doing so regulates a process that B is capable of.  For example, A and B may be gene products and binding of B by A regulates the kinase activity of B.
RO:0002436
molecularly_interacts_with
is_a
RO:0002566
causally_influences
is_a
molecularly controls
exact