De or het eiwitbinding?

The correct Dutch article is:

de eiwitbinding

Rule Words ending in -ing: almost always de. See the rule

How to use eiwitbinding

the eiwitbindingde eiwitbinding
this eiwitbindingdeze eiwitbinding
that eiwitbindingdie eiwitbinding
our eiwitbindingonze eiwitbinding
your eiwitbindingjouw eiwitbinding
every eiwitbindingelke eiwitbinding
which eiwitbinding?welke eiwitbinding?
a big eiwitbinding / the big eiwitbindingeen grote eiwitbinding, de grote eiwitbinding