Assertion: boron | /r/CapableOf | bind to porphyrin
Facets:
Source sentences:
text: Boron in particular has been shown to prefer binding to porphyrin in a 2:1 stoichiometry, primarily due to its small atomic radius, but the Group XIII element will bind in a 1:1 ratio with corrole, a macromolecule with a structure similar to porphyrin but with a smaller N 4 pocket.