The acronym XPG can refer to the following:X/Open Portability Guide, specifies the requirements for systems which are intended to be a Unix system, and a predecessor to the POSIX standardXeroderma pigmentosum, complementation group G, a genetic disorder and a possible source of skin tumorsXPG (game), an X-Men-based play-by-email (PBEM) roleplaying game [1]XPG can be regarded as a protein involved in nucleotide excision repair .It is an endounclease involved in the damage-specific incision of NER.
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