Keratin 3

KRT3
Identifiers
Aliases	KRT3, CK3, K3, keratin 3, MECD2
External IDs	OMIM: 148043; GeneCards: KRT3; OMA:KRT3 - orthologs
Gene location (Human)
Chr.	Chromosome 12 (human)
End	52,796,117 bp
RNA expression pattern
	Top expressed in
	gums; ; skin of abdomen; ; vagina; ; skin of limb; ; skin of leg; ; tonsil; ; islet of Langerhans; ; cervix; ; salivary gland; ; right lobe of thyroid gland;
	n/a
	More reference expression data
	n/a
Gene ontology
Molecular function	structural molecule activity;
Cellular component	keratin filament; extracellular exosome; intermediate filament; cytosol;
Biological process	epithelial cell differentiation; intermediate filament cytoskeleton organization; keratinization; cornification;
	Sources:Amigo / QuickGO
Orthologs
	3850
	n/a
	ENSG00000186442
	n/a
	P12035
	n/a
	NM_057088
	n/a
	NP_476429
	n/a
	Wikidata
View/Edit Human

Keratin 3 also known as cytokeratin 3 is a protein that in humans is encoded by the KRT3 gene.^[3]^[4] Keratin 3 is a type II cytokeratin. It is specifically found in the corneal epithelium together with keratin 12.

Mutations in the KRT3 encoding this protein have been associated with Meesmanns Corneal Dystrophy.^[5]

References

^ ^a ^b ^c GRCh38: Ensembl release 89: ENSG00000186442 – Ensembl, May 2017
^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ Raimondi E, Moralli D, De Carli L, Ceratto N, Balzaretti M, Leube R, Collin C, Romano V (1994). "Assignment of the human cytokeratin 3 gene (KRT3) to 12q12-->q13 by FISH". Cytogenet. Cell Genet. 66 (3): 162–3. doi:10.1159/000133690. PMID 7510223.
^ Schweizer J, Bowden PE, Coulombe PA, Langbein L, Lane EB, Magin TM, Maltais L, Omary MB, Parry DA, Rogers MA, Wright MW (July 2006). "New consensus nomenclature for mammalian keratins". J. Cell Biol. 174 (2): 169–74. doi:10.1083/jcb.200603161. PMC 2064177. PMID 16831889.
^ Irvine AD, Corden LD, Swensson O, Swensson B, Moore JE, Frazer DG, Smith FJ, Knowlton RG, Christophers E, Rochels R, Uitto J, McLean WH (June 1997). "Mutations in cornea-specific keratin K3 or K12 genes cause Meesmann's corneal dystrophy". Nat. Genet. 16 (2): 184–7. doi:10.1038/ng0697-184. PMID 9171831. S2CID 24438634.

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