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 site of double-strand break. Orthologous to human SHLD1 (shieldin complex subunit 1). [provided by Alliance of Genome Resources, Apr 2022]