Table 1.

Relation keywords

Activation	activate, increase, induce, initiate, stimulate, promote, catalyze, up-regulate, coactivate, potentiate, precipitate, reactivate
Deactivation	block, decrease, down-regulate, inactivate, inhibit, reduce, repress, suppress, interfere, antagonize, degrade, obstruct
Creating bond	associate, link, dimerize, heterodimerize, crystalize, methylate, phosphorylate, assemble, polymerize, bound, bond, oligomerize, glycosylate, bind, complex, form, conjugate, acetylate, couple
Breaking bond	cleave, demethylate, dephosphorylate, sever, unbind, depolymerize, dissociate, deacetylate, deglycosilate, disassemble
Signaling	mediate, modulate, participate, regulate, control, interact, react, contact, response, encode, recognize, stabilize, destabilize, target