Immunohistochemistry (PFA fixed): incubate antibody for 30 min RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95 degrees C followed by cooling at RT for 20 minutes.
Xeroderma pigmentosum type G (XPG) is a human genetic disease exhibiting extreme sensitivity to sunlight. The XPG protein, a member of the flap endonuclease 1 (FEN-1) structure-specific DNA repair endonuclease family, is an enzyme essential for DNA repair of the major kinds of solar ultraviolet (UV)-induced DNA damages. Human XPG nuclease makes the 3' incision during nucleotide excision repair of DNA. The enzyme cleaves model DNA bubble structures specifically near the junction of unpaired DNA with a duplex region. A 29-amino acid region of human XPG (residues 981-1009) contains the PCNA binding activity. A conserved arginine in XPG (Arg992) is crucial for its PCNA binding activity. Replication Protein A (RPA) binds specifically and directly to two excision repair proteins, the xeroderma pigmentosum damage-recognition protein XPA and the endonuclease XPG.
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Protein Aliases: Emerin; LEM domain containing 5
Gene Aliases: EDMD; EMD; LEMD5; STA
UniProt ID: (Human) P50402
Entrez Gene ID: (Human) 2010