Enables enzyme binding activity. Predicted to be involved in DNA repair; DNA-dependent DNA replication; and positive regulation of DNA-directed DNA polymerase activity. Predicted to act upstream of or within DNA replication. Predicted to be part of Ctf18 RFC-like complex and DNA replication factor C complex. Predicted to be active in nucleus. Orthologous to human RFC2 (replication factor C subunit 2). [provided by Alliance of Genome Resources, Apr 2022]