KRT33B

Protein-coding gene in the species Homo sapiens

KRT33B

Identifiers

Aliases

KRT33B, HA3II, Ha-3II, K33B, KRTHA3A, KRTHA3B, hHa3-II, keratin 33B

External IDs

OMIM: 602762; MGI: 1919138; HomoloGene: 136754; GeneCards: KRT33B; OMA:KRT33B - orthologs

Gene location (Human)

Chr.	Chromosome 17 (human)^[1]

Band	17q21.2	Start	41,363,498 bp^[1]
Band	17q21.2	End	41,369,813 bp^[1]

Gene location (Mouse)

Chr.	Chromosome 11 (mouse)^[2]

Band	11\|11 D	Start	99,902,021 bp^[2]
Band	11\|11 D	End	99,907,038 bp^[2]

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

prefrontal cortex

anterior cingulate cortex

skin of abdomen

skin of leg

Brodmann area 9

right lung

mucosa of esophagus

right frontal lobe

vagina

hippocampus proper

Top expressed in

hair follicle

skin of back

dermis

skin of external ear

skin of abdomen

sexually immature organism

medial head of gastrocnemius muscle

conjunctival fornix

diencephalon

More reference expression data

BioGPS


More reference expression data

Gene ontology
Molecular function	protein binding structural molecule activity
Cellular component	extracellular exosome intermediate filament extracellular space cytosol
Biological process	hair cycle human ageing keratinization cornification
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


3884


71888

Ensembl


ENSG00000263012 ENSG00000131738


ENSMUSG00000035592

UniProt


Q14525


Q8K0Y2

RefSeq (mRNA)


NM_002279


NM_027983

RefSeq (protein)


NP_002270


NP_082259

Location (UCSC)

Chr 17: 41.36 – 41.37 Mb

Chr 11: 99.9 – 99.91 Mb

PubMed search

^[3]

^[4]

Wikidata

View/Edit Human

View/Edit Mouse

Keratin, type I cuticular Ha3-II is a protein that in humans is encoded by the KRT33B gene.^[5]^[6]^[7]

The protein encoded by this gene is a member of the keratin gene family. It is one of the type I hair keratin genes which are clustered in a region of chromosome 17q12-q21 and have the same direction of transcription. As a type I hair keratin, it is an acidic protein which heterodimerizes with type II hair keratin to form hair and nails. There are two isoforms of this protein, encoded by two separate genes, KRTHA3A and KRTHA3B.^[7]

References

^ ^a ^b ^c ENSG00000131738 GRCh38: Ensembl release 89: ENSG00000263012, ENSG00000131738 – Ensembl, May 2017
^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000035592 – 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.
^ Rogers MA, Schweizer J, Kreig T, Winter H (Nov 1995). "A novel human type I hair keratin gene: evidence for two keratin hHa3 isoforms". Mol Biol Rep. 20 (3): 155–61. doi:10.1007/BF00990548. PMID 7565656. S2CID 24487602.
^ Schweizer J, Bowden PE, Coulombe PA, Langbein L, Lane EB, Magin TM, Maltais L, Omary MB, Parry DA, Rogers MA, Wright MW (Jul 2006). "New consensus nomenclature for mammalian keratins". J Cell Biol. 174 (2): 169–74. doi:10.1083/jcb.200603161. PMC 2064177. PMID 16831889.
^ ^a ^b "Entrez Gene: KRT33B keratin 33B".

Yu J, Yu DW, Checkla DM, et al. (1993). "Human hair keratins". J. Invest. Dermatol. 101 (1 Suppl): 56S–59S. doi:10.1111/1523-1747.ep12362635 (inactive 2024-04-03). PMID 7686952.{{cite journal}}: CS1 maint: DOI inactive as of April 2024 (link)
Rogers MA, Winter H, Wolf C, et al. (1998). "Characterization of a 190-kilobase pair domain of human type I hair keratin genes". J. Biol. Chem. 273 (41): 26683–91. doi:10.1074/jbc.273.41.26683. PMID 9756910.
Langbein L, Rogers MA, Winter H, et al. (1999). "The catalog of human hair keratins. I. Expression of the nine type I members in the hair follicle". J. Biol. Chem. 274 (28): 19874–84. doi:10.1074/jbc.274.28.19874. PMID 10391933.
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.
Anderson NL, Polanski M, Pieper R, et al. (2004). "The human plasma proteome: a nonredundant list developed by combination of four separate sources". Mol. Cell. Proteomics. 3 (4): 311–26. doi:10.1074/mcp.M300127-MCP200. PMID 14718574.
Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
Ewing RM, Chu P, Elisma F, et al. (2007). "Large-scale mapping of human protein-protein interactions by mass spectrometry". Mol. Syst. Biol. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.

Proteins of the cytoskeleton

Human

Microfilaments
and ABPs

Myofilament

Actins	A1 A2 B C1 G1 G2
Myosins	I MYO1A MYO1B MYO1C MYO1D MYO1E MYO1F MYO1G MYO1H) II MYH1 MYH2 MYH3 MYH4 MYH6 MYH7 MYH7B MYH8 MYH9 MYH10 MYH11 MYH13 MYH14 MYH15 MYH16 III MYO3A MYO3B V MYO5A MYO5B MYO5C VI MYO6 VII MYO7A MYO7B IX MYO9A MYO9B X MYO10 XV MYO15A XVIII MYO18A MYO18B LC MYL1 MYL2 MYL3 MYL4 MYL5 MYL6 MYL6B MYL7 MYL9 MYLIP MYLK MYLK2 MYLL1
Other	Tropomodulin 1 2 3 4 Troponin T 1 2 3 C 1 2 I 1 2 3 Tropomyosin 1 2 3 4 Actinin 1 2 3 4 Arp2/3 complex actin depolymerizing factors Cofilin 1 2 Destrin Gelsolin Profilin 1 2 Titin

Other

Intermediate
filaments

Type 1/2
(Keratin,
Cytokeratin)

Epithelial keratins (soft alpha-keratins)	type I/chromosome 17 9 10 12 13 14 15 16 17 19 20 chromosome 12 18 none 21 type II/chromosome 12 1 2A 3 4 5 6A 6B 6C 7 8
Hair keratins (hard alpha-keratins)	type I/chromosome 17 31 32 33A 33B 34 35 36 37 38 type II/chromosome 12 81 82 83 84 85 86
Ungrouped alpha	chromosome 17 23 24 25 26 27 28 39 40 chromosome 12 71 72 73 74 75 76 77 78 79 80
Not alpha	Beta-keratin

Type 3

Type 4

Type 5

Microtubules
and MAPs

Tubulins	TUBA1A TUBA1B TUBA1C TUBA3C TUBA3D TUBA3E TUBA4A TUBA8 TUBB TUBB1 TUBB2A TUBB2B TUBB2C TUBB3 TUBB4 TUBB4Q TUBB6 TUBB8 TUBG1 TUBG2 TUBGCP2 TUBGCP3 TUBGCP4 TUBGCP5 TUBGCP6 TUBD1 TUBE1
MAPs	EB1 EB2 EB3 MAP1A MAP1B MAP2 MAP4
Kinesins	KIF1A KIF1B KIF2A KIF2C KIF3B KIF3C KIF4A KIF4B KIF5A KIF5B KIF5C KIF6 KIF7 KIF9 KIF11 KIF12 KIF13A KIF13B KIF14 KIF15 KIF16B KIF17 KIF18A KIF18B KIF19 KIF20A KIF20B KIF21A KIF21B KIF22 KIF23 KIF24 KIF25 KIF26A KIF26B KIF27 KIFC1 KIFC2 KIFC3
Dyneins	axonemal: DNAH1 DNAH2 DNAH3 DNAH5 DNAH6 DNAH7 DNAH8 DNAH9 DNAH10 DNAH11 DNAH12 DNAH13 DNAH14 DNAH17 DNAI1 DNAI2 DNALI1 DNAL1 DNAL4 cytoplasmic: DYNC1H1 DYNC2H1 DYNC1I1 DYNC1I2 DYNC1LI1 DYNC1LI2 DYNC2LI1 DYNLL1 DYNLL2 DYNLRB1 DYNLRB2 DYNLT1 DYNLT3
Microtubule organising proteins	CAMSAP1 CAMSAP2 CAMSAP3 Centrin 1 Centrin 2 Centrin 3 PCM1
Microtubule severing proteins	Katanin Spastin
Other	Tau protein Dynactin DCTN1 Stathmin Tektin TEKT1 TEKT2 TEKT3 TEKT4 TEKT5 Dynamin DNM1 DNM2 DNM3