ERCC5 and xeroderma pigmentosum: In humans, xeroderma pigmentosum group G/excision repair cross‐complementation group 5 (XPG/ERCC5, MIM:133530) is a member of the xeroderma pigmentosum complementation groups (XPA, XPB, XPC, XPD, XPE, XPF and XPG) 22.