Binding to a RIP homotypic interaction motif (RHIM) of a protein. The RHIM is a 16-amino-acid motif found in some members, including RIP3, of a family of related kinases.
OBSOLETE. A process of protein complex assembly in which the arrangement and bonding together of the set of components that form the protein complex is mediated by a RIP homotypic interaction motif (RHIM) interaction.