PDE6A
Rod cGMP-specific 3',5'-cyclic phosphodiesterase subunit alpha is an enzyme that in humans is encoded by the PDE6A gene.[5][6][7]
PDE6A encodes the cyclic-GMP (cGMP) specific phosphodiesterase 6A alpha subunit, expressed in cells of the retinal rod outer segment. The phosphodiesterase 6 holoenzyme is a heterotrimer composed of an alpha, beta, and two gamma subunits. cGMP is an important regulator of rod cell membrane current, and its dynamic concentration is established by phosphodiesterase 6A cGMP hydrolysis and guanylate cyclase cGMP synthesis. Mutations in PDE6A have been identified as one cause of autosomal recessive retinitis pigmentosa.[6]
References
- GRCh38: Ensembl release 89: ENSG00000132915 - Ensembl, May 2017
- GRCm38: Ensembl release 89: ENSMUSG00000024575 - Ensembl, May 2017
- "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- Pittler SJ, Baehr W, Wasmuth JJ, McConnell DG, Champagne MS, vanTuinen P, Ledbetter D, Davis RL (Apr 1990). "Molecular characterization of human and bovine rod photoreceptor cGMP phosphodiesterase alpha-subunit and chromosomal localization of the human gene". Genomics. 6 (2): 272–83. doi:10.1016/0888-7543(90)90567-E. PMID 2155175.
- "Entrez Gene: PDE6A phosphodiesterase 6A, cGMP-specific, rod, alpha".
- Gulati S, Palczewski K, Engel A, Stahlberg H, Kovacik L (Feb 2019). "Cryo-EM structure of phosphodiesterase 6 reveals insights into the allosteric regulation of type I phosphodiesterases". Science Advances. 27 (5): eaav4322. Bibcode:2019SciA....5.4322G. doi:10.1126/sciadv.aav4322. PMC 6392808. PMID 30820458.
Further reading
- Pittler SJ, Baehr W (1991). "The molecular genetics of retinal photoreceptor proteins involved in cGMP metabolism". Prog. Clin. Biol. Res. 362: 33–66. PMID 1672236.
- Takemoto DJ, Cunnick JM (1990). "Visual transduction in rod outer segments". Cell. Signal. 2 (2): 99–104. doi:10.1016/0898-6568(90)90013-Z. PMID 2169289.
- Catty P, Pfister C, Bruckert F, Deterre P (1992). "The cGMP phosphodiesterase-transducin complex of retinal rods. Membrane binding and subunits interactions". J. Biol. Chem. 267 (27): 19489–93. doi:10.1016/S0021-9258(18)41802-9. PMID 1326553.
- Huang SH, Pittler SJ, Huang X, et al. (1996). "Autosomal recessive retinitis pigmentosa caused by mutations in the alpha subunit of rod cGMP phosphodiesterase". Nat. Genet. 11 (4): 468–71. doi:10.1038/ng1295-468. PMID 7493036. S2CID 40530227.
- Warrington JA, Bengtsson U (1995). "High-resolution physical mapping of human 5q31-q33 using three methods: radiation hybrid mapping, interphase fluorescence in situ hybridization, and pulsed-field gel electrophoresis". Genomics. 24 (2): 395–8. doi:10.1006/geno.1994.1636. PMID 7698768.
- Mohamed MK, Taylor RE, Feinstein DS, et al. (1998). "Structure and upstream region characterization of the human gene encoding rod photoreceptor cGMP phosphodiesterase alpha-subunit". J. Mol. Neurosci. 10 (3): 235–50. doi:10.1007/BF02761777. PMID 9770645. S2CID 27495644.
- Mou H, Grazio HJ, Cook TA, et al. (1999). "cGMP binding to noncatalytic sites on mammalian rod photoreceptor phosphodiesterase is regulated by binding of its gamma and delta subunits". J. Biol. Chem. 274 (26): 18813–20. doi:10.1074/jbc.274.26.18813. PMID 10373499.
- Dryja TP, Rucinski DE, Chen SH, Berson EL (1999). "Frequency of mutations in the gene encoding the alpha subunit of rod cGMP-phosphodiesterase in autosomal recessive retinitis pigmentosa". Invest. Ophthalmol. Vis. Sci. 40 (8): 1859–65. PMID 10393062.
- Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
- Pittler SJ, Zhang Y, Chen S, et al. (2004). "Functional analysis of the rod photoreceptor cGMP phosphodiesterase alpha-subunit gene promoter: Nrl and Crx are required for full transcriptional activity". J. Biol. Chem. 279 (19): 19800–7. doi:10.1074/jbc.M401864200. PMID 15001570.
- Riazuddin SA, Zulfiqar F, Zhang Q, et al. (2006). "Mutations in the gene encoding the alpha-subunit of rod phosphodiesterase in consanguineous Pakistani families". Mol. Vis. 12: 1283–91. PMID 17110911.
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