This zinc knuckle domain is found tandemly repeated at the C-terminal of the cytoplasmic linker protein CLIP1 (CLIP170). It forms a complex with the CAP-Gly domain of Dynactin [1].

1: Structure-function relationship of CAP-Gly domains. Weisbrich A, Honnappa S, Jaussi R, Okhrimenko O, Frey D, Jelesarov I, Akhmanova A, Steinmetz MO; Nat Struct Mol Biol. 2007;14:959-967. PMID:17828277