Predicted to be involved in negative regulation of double-strand break repair via homologous recombination; positive regulation of double-strand break repair via nonhomologous end joining; and positive regulation of isotype switching. Predicted to act upstream of or within DNA repair. Predicted to be located in chromosome. Predicted to be active in nucleus and site of double-strand break. Orthologous to human SHLD2 (shieldin complex subunit 2). [provided by Alliance of Genome Resources, Apr 2022]