Predicted to be involved in peptide cross-linking. Predicted to act upstream of or within keratinization. Predicted to be located in Golgi apparatus and perinuclear region of cytoplasm. Is expressed in several structures, including alimentary system; brain; genitourinary system; respiratory system; and thymus. Orthologous to human SPRR3 (small proline rich protein 3). [provided by Alliance of Genome Resources, Apr 2022]