Radial spoke head protein 4 homolog A, also known as radial spoke head-like protein 3, is a protein that in humans is encoded by the RSPH4A gene. 
TRadial spoke head protein 4 homolog A appears to be a component the
radial spoke head, as determined by homology to similar proteins in the biflagellate alga and other ciliates. Radial spokes, which are regularly spaced along Chlamydomonas reinhardtii cilia, sperm, and flagella axonemes, consist of a thin 'stalk' and a bulbous 'head' that form a signal transduction scaffold between the central pair of microtubules and dynein.
Mutations in the RSPH4A gene are associated with
primary ciliary dyskinesia.
↑ 1.0 1.1
"Entrez Gene: radial spoke head 4 homolog A (Chlamydomonas)".
↑ 2.0 2.1
Castleman VH, Romio L, Chodhari R, Hirst RA, de Castro SC, Parker KA, Ybot-Gonzalez P, Emes RD, Wilson SW, Wallis C, Johnson CA, Herrera RJ, Rutman A, Dixon M, Shoemark A, Bush A, Hogg C, Gardiner RM, Reish O, Greene ND, O'Callaghan C, Purton S, Chung EM, Mitchison HM (February 2009). "Mutations in radial spoke head protein genes RSPH9 and RSPH4A cause primary ciliary dyskinesia with central-microtubular-pair abnormalities". Am. J. Hum. Genet. 84 (2): 197–209. doi: 10.1016/j.ajhg.2009.01.011. PMC . 2668031 PMID 19200523.
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Castleman VH, Romio L, Chodhari R, et al. (2009). "Mutations in radial spoke head protein genes RSPH9 and RSPH4A cause primary ciliary dyskinesia with central-microtubular-pair abnormalities". Am. J. Hum. Genet. 84 (2): 197–209. doi: 10.1016/j.ajhg.2009.01.011. PMC . 2668031 PMID 19200523. Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi: 10.1038/ng1285. PMID 14702039.
This article incorporates text from the
United States National Library of Medicine, which is in the public domain.