X-linked retinitis pigmentosa GTPase regulator is a GTPase-binding protein that in humans is encoded by the RPGRgene.[5][6][7][8]
Function
This gene encodes a protein with a series of six RCC1-like domains (RLDs), characteristic of the highly conserved guanine nucleotide exchange factors. Mutations in this gene have been associated with X-linked retinitis pigmentosa (XLRP). Multiple alternatively spliced transcript variants that encode different isoforms of this gene have been reported, but the full-length natures of only some have been determined.[8]
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Hardcastle AJ, David-Gray ZK, Jay M, Bird AC, Bhattacharya SS (Dec 1997). "Localization of CSNBX (CSNB4) between the retinitis pigmentosa loci RP2 and RP3 on proximal Xp". Investigative Ophthalmology & Visual Science. 38 (13): 2750–5. PMID9418727.
Fishman GA, Grover S, Jacobson SG, Alexander KR, Derlacki DJ, Wu W, Buraczynska M, Swaroop A (Dec 1998). "X-linked retinitis pigmentosa in two families with a missense mutation in the RPGR gene and putative change of glycine to valine at codon 60". Ophthalmology. 105 (12): 2286–96. doi:10.1016/S0161-6420(98)91231-3. PMID9855162.
Dry KL, Manson FD, Lennon A, Bergen AA, Van Dorp DB, Wright AF (1999). "Identification of a 5' splice site mutation in the RPGR gene in a family with X-linked retinitis pigmentosa (RP3)". Human Mutation. 13 (2): 141–5. doi:10.1002/(SICI)1098-1004(1999)13:2<141::AID-HUMU6>3.0.CO;2-Q. PMID10094550.