FLOT1

Flotillin 1

Identifiers

External IDs

OMIM: 606998 MGI: 1100500 HomoloGene: 31337 GeneCards: FLOT1 Gene

Gene ontology
Molecular function	• protease binding • protein binding • protein heterodimerization activity
Cellular component	• uropod • lysosomal membrane • endosome • early endosome • microtubule organizing center • plasma membrane • caveola • cell-cell adherens junction • focal adhesion • COP9 signalosome • membrane • integral component of membrane • basolateral plasma membrane • apical plasma membrane • flotillin complex • lamellipodium • cortical actin cytoskeleton • cytoplasmic vesicle • centriolar satellite • sarcolemma • melanosome • cell-cell contact zone • membrane raft • extracellular exosome
Biological process	• membrane raft assembly • positive regulation of cytokine production • positive regulation of protein phosphorylation • regulation of receptor internalization • axonogenesis • extracellular matrix disassembly • positive regulation of protein binding • positive regulation of synaptic transmission, dopaminergic • positive regulation of interferon-beta production • dsRNA transport • positive regulation of heterotypic cell-cell adhesion • positive regulation of toll-like receptor 3 signaling pathway • regulation of toll-like receptor 4 signaling pathway • response to endoplasmic reticulum stress • regulation of Rho protein signal transduction • plasma membrane raft assembly • positive regulation of endocytosis • positive regulation of skeletal muscle tissue development • protein homooligomerization • positive regulation of cell adhesion molecule production • protein kinase C signaling • cellular response to exogenous dsRNA • establishment of protein localization to plasma membrane • positive regulation of myoblast fusion • positive regulation of cell junction assembly • protein localization to membrane raft • positive regulation of cell-cell adhesion mediated by cadherin
Sources: Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

RefSeq (mRNA)

RefSeq (protein)

Location (UCSC)

Chr 6:
30.73 – 30.74 Mb

Chr 17:
35.82 – 35.83 Mb

PubMed search

Flotillin-1 is a protein that in humans is encoded by the FLOT1 gene.^[1]

Caveolae are small domains on the inner cell membrane involved in vesicular trafficking and signal transduction. FLOT1 encodes a caveolae-associated, integral membrane protein.^[2] The function of flotillin 1 has not been determined.^[1]

Interactions

FLOT1 has been shown to interact with SORBS1.^[3]^[4]^[5]

References

1 2 "Entrez Gene: FLOT1 flotillin 1".
↑ Bickel PE, Scherer PE, Schnitzer JE, Oh P, Lisanti MP, Lodish HF (May 1997). "Flotillin and epidermal surface antigen define a new family of caveolae-associated integral membrane proteins". J. Biol. Chem. 272 (21): 13793–802. doi:10.1074/jbc.272.21.13793. PMID 9153235.
↑ Haglund K, Ivankovic-Dikic I, Shimokawa N, Kruh GD, Dikic I (May 2004). "Recruitment of Pyk2 and Cbl to lipid rafts mediates signals important for actin reorganization in growing neurites". J. Cell. Sci. 117 (Pt 12): 2557–68. doi:10.1242/jcs.01148. PMID 15128873.
↑ Baumann CA, Ribon V, Kanzaki M, Thurmond DC, Mora S, Shigematsu S, Bickel PE, Pessin JE, Saltiel AR (September 2000). "CAP defines a second signalling pathway required for insulin-stimulated glucose transport". Nature 407 (6801): 202–7. doi:10.1038/35025089. PMID 11001060.
↑ Kimura A, Baumann CA, Chiang SH, Saltiel AR (July 2001). "The sorbin homology domain: a motif for the targeting of proteins to lipid rafts". Proc. Natl. Acad. Sci. U.S.A. 98 (16): 9098–103. doi:10.1073/pnas.151252898. PMC 55379. PMID 11481476.

Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides.". Gene 138 (1-2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K; et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library.". Gene 200 (1-2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
Volonte D, Galbiati F, Li S; et al. (1999). "Flotillins/cavatellins are differentially expressed in cells and tissues and form a hetero-oligomeric complex with caveolins in vivo. Characterization and epitope-mapping of a novel flotillin-1 monoclonal antibody probe.". J. Biol. Chem. 274 (18): 12702–9. doi:10.1074/jbc.274.18.12702. PMID 10212252.
Hazarika P, Dham N, Patel P; et al. (1999). "Flotillin 2 is distinct from epidermal surface antigen (ESA) and is associated with filopodia formation.". J. Cell. Biochem. 75 (1): 147–59. doi:10.1002/(SICI)1097-4644(19991001)75:1<147::AID-JCB15>3.0.CO;2-D. PMID 10462713.
Hu RM, Han ZG, Song HD; et al. (2000). "Gene expression profiling in the human hypothalamus-pituitary-adrenal axis and full-length cDNA cloning.". Proc. Natl. Acad. Sci. U.S.A. 97 (17): 9543–8. doi:10.1073/pnas.160270997. PMC 16901. PMID 10931946.
Baumann CA, Ribon V, Kanzaki M; et al. (2000). "CAP defines a second signalling pathway required for insulin-stimulated glucose transport.". Nature 407 (6801): 202–7. doi:10.1038/35025089. PMID 11001060.
Zhang QH, Ye M, Wu XY; et al. (2001). "Cloning and functional analysis of cDNAs with open reading frames for 300 previously undefined genes expressed in CD34+ hematopoietic stem/progenitor cells.". Genome Res. 10 (10): 1546–60. doi:10.1101/gr.140200. PMC 310934. PMID 11042152.
Salzer U, Prohaska R (2001). "Stomatin, flotillin-1, and flotillin-2 are major integral proteins of erythrocyte lipid rafts.". Blood 97 (4): 1141–3. doi:10.1182/blood.V97.4.1141. PMID 11159550.
Edgar AJ, Polak JM (2001). "Flotillin-1: gene structure: cDNA cloning from human lung and the identification of alternative polyadenylation signals.". Int. J. Biochem. Cell Biol. 33 (1): 53–64. doi:10.1016/S1357-2725(00)00069-8. PMID 11167132.
Kimura A, Baumann CA, Chiang SH, Saltiel AR (2001). "The sorbin homology domain: a motif for the targeting of proteins to lipid rafts.". Proc. Natl. Acad. Sci. U.S.A. 98 (16): 9098–103. doi:10.1073/pnas.151252898. PMC 55379. PMID 11481476.
Stuermer CA, Lang DM, Kirsch F; et al. (2002). "Glycosylphosphatidyl inositol-anchored proteins and fyn kinase assemble in noncaveolar plasma membrane microdomains defined by reggie-1 and -2.". Mol. Biol. Cell 12 (10): 3031–45. doi:10.1091/mbc.12.10.3031. PMC 60153. PMID 11598189.
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. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Girardot N, Allinquant B, Duyckaerts C (2004). "[Lipid rafts, flotillin-1 and Alzheimer disease]". J. Soc. Biol. 197 (3): 223–9. PMID 14708344.
Wakasugi K, Nakano T, Kitatsuji C, Morishima I (2004). "Human neuroglobin interacts with flotillin-1, a lipid raft microdomain-associated protein.". Biochem. Biophys. Res. Commun. 318 (2): 453–60. doi:10.1016/j.bbrc.2004.04.045. PMID 15120622.
Haglund K, Ivankovic-Dikic I, Shimokawa N; et al. (2004). "Recruitment of Pyk2 and Cbl to lipid rafts mediates signals important for actin reorganization in growing neurites.". J. Cell. Sci. 117 (Pt 12): 2557–68. doi:10.1242/jcs.01148. PMID 15128873.
Bared SM, Buechler C, Boettcher A; et al. (2005). "Association of ABCA1 with syntaxin 13 and flotillin-1 and enhanced phagocytosis in tangier cells.". Mol. Biol. Cell 15 (12): 5399–407. doi:10.1091/mbc.E04-03-0182. PMC 532019. PMID 15469992.
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.
Jacobowitz DM, Kallarakal AT (2005). "Flotillin-1 in the substantia nigra of the Parkinson brain and a predominant localization in catecholaminergic nerves in the rat brain.". Neurotoxicity research 6 (4): 245–57. doi:10.1007/BF03033435. PMID 15545008.
Pope SN, Lee IR (2005). "Yeast two-hybrid identification of prostatic proteins interacting with human sex hormone-binding globulin.". J. Steroid Biochem. Mol. Biol. 94 (1-3): 203–8. doi:10.1016/j.jsbmb.2005.01.007. PMID 15862967.
Glebov OO, Bright NA, Nichols BJ (2006). "Flotillin-1 defines a clathrin-independent endocytic pathway in mammalian cells.". Nat. Cell Biol. 8 (1): 46–54. doi:10.1038/ncb1342. PMID 16341206.

External links

FLOT1 human gene location in the UCSC Genome Browser.
FLOT1 human gene details in the UCSC Genome Browser.

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FLOT1

Interactions

References

Further reading

External links