Uv-Sensitive Syndrome 2, also known as uvss2, is related to mitochondrial complex i deficiency, nuclear type 1 and mitochondrial complex i deficiency, nuclear type 10. An important gene associated with Uv-Sensitive Syndrome 2 is ERCC8 (ERCC Excision Repair 8, CSA Ubiquitin Ligase Complex Subunit). Affiliated tissues include skin, and related phenotypes are freckling and cutaneous photosensitivity