Predicted to enable single-stranded DNA binding activity. Predicted to be involved in double-strand break repair via alternative nonhomologous end joining; positive regulation of isotype switching; and protein-DNA covalent cross-linking. Predicted to be located in replication fork. Predicted to be part of COPI vesicle coat. Orthologous to human HMCES (5-hydroxymethylcytosine binding, ES cell specific). [provided by Alliance of Genome Resources, Apr 2022]