Basic salivary proline-rich protein 4 is a protein that in humans is encoded by the PRB4gene.[3]
The protein encoded by this gene is a proline-rich salivary protein. This gene and five other genes that also encode salivary proline-rich proteins (PRPs), as well as a gene encoding a lacrimal gland PRP, form a PRP gene cluster in the chromosomal 12p13 region.[3]
PRB4 is post-translationally cleaved into three different mature peptides:
Protein N1
Glycosylated protein A
Peptide P-D (also known as proline-rich peptide IB-5)
Azen EA, Maeda N (1988). "Molecular genetics of human salivary proteins and their polymorphisms". Adv. Hum. Genet. 17: 141–99. doi:10.1007/978-1-4613-0987-1_5. ISBN978-1-4612-8279-2. PMID3055850.
Warner TF, Azen EA (1984). "Proline-rich proteins are present in serous cells of submucosal glands in the respiratory tract". Am. Rev. Respir. Dis. 130 (1): 115–8. doi:10.1164/arrd.1984.130.1.115 (inactive 31 October 2021). PMID6377992.{{cite journal}}: CS1 maint: DOI inactive as of October 2021 (link)
Saitoh E, Isemura S, Sanada K (1983). "Complete amino acid sequence of a basic proline-rich peptide, P-D, from human parotid saliva". J. Biochem. 93 (2): 495–502. doi:10.1093/jb/93.3.883. PMID6841349.
Kim HS, Lyons KM, Saitoh E, et al. (1993). "The structure and evolution of the human salivary proline-rich protein gene family". Mamm. Genome. 4 (1): 3–14. doi:10.1007/BF00364656. PMID8422499. S2CID24058984.
Vallat JM, Magy L, Lagrange E, et al. (2007). "Diagnostic value of ultrastructural nerve examination in Charcot-Marie-Tooth disease: two CMT 1B cases with pseudo-recessive inheritance". Acta Neuropathol. 113 (4): 443–9. doi:10.1007/s00401-007-0196-7. PMID17294201. S2CID42561185.
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