Summary: Dishevelled specific domain
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Dishevelled Edit Wikipedia article
| Dishevelled specific domain | |||||||||
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| Solution structure of the mouse Dvl-1 DEP domain based on the PDB 1fsh coordinates. | |||||||||
| Identifiers | |||||||||
| Symbol | Dishevelled | ||||||||
| Pfam | PF02377 | ||||||||
| InterPro | IPR003351 | ||||||||
| PROSITE | PDOC50841 | ||||||||
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Dishevelled (Dsh) is a family of proteins involved in canonical and non-canonical Wnt signalling pathways. Dsh is a cytoplasmic phosphoprotein that acts directly downstream of frizzled receptors.[1] It takes its name from its initial discovery in flies, where a mutation in the dishevelled gene was observed to cause improper orientation of body and wing hairs.[2]
Dishevelled plays important roles in both the embryo and the adult, ranging from cellular differentiation and cell polarity to social behavior.[2]
[edit] Members
There are three human genes that encode dishevelled proteins:[3]
[edit] References
- ^ Penton A, Wodarz A, Nusse R (June 2002). "A mutational analysis of dishevelled in Drosophila defines novel domains in the dishevelled protein as well as novel suppressing alleles of axin". Genetics 161 (2): 747–62. PMC 1462152. PMID 12072470. http://www.genetics.org/cgi/pmidlookup?view=long&pmid=12072470.
- ^ a b Wallingford JB, Habas R (October 2005). "The developmental biology of Dishevelled: an enigmatic protein governing cell fate and cell polarity". Development 132 (20): 4421–36. doi:10.1242/dev.02068. PMID 16192308.
- ^ Lee YN, Gao Y, Wang HY (February 2008). "Differential mediation of the Wnt canonical pathway by mammalian Dishevelleds-1, -2, and -3". Cell. Signal. 20 (2): 443–52. doi:10.1016/j.cellsig.2007.11.005. PMC 2233603. PMID 18093802. //www.ncbi.nlm.nih.gov/pmc/articles/PMC2233603/.
[edit] External links
- dishevelled proteins at the US National Library of Medicine Medical Subject Headings (MeSH)
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Dishevelled specific domain Provide feedback
This domain is specific to the signaling protein dishevelled. The domain is found adjacent to the PDZ domain PF00595 often in conjunction with DEP (PF00610) and DIX (PF00778).
Literature references
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Theisen H, Purcell J, Bennett M, Kansagara D, Syed A, Marsh JL; , Development 1994;120:347-360.: dishevelled is required during wingless signaling to establish both cell polarity and cell identity. PUBMED:8149913 EPMC:8149913
External database links
| PANDIT: | PF02377 |
| Pseudofam: | PF02377 |
| SYSTERS: | Dishevelled |
This tab holds annotation information from the InterPro database.
InterPro entry IPR003351
Wnt proteins constitute a large family of secreted signalling molecules that are involved in intercellular signalling during development. The name derives from the first 2 members of the family to be discovered: int-1 (mouse) and wingless (Wg) (Drosophila) [PUBMED:9891778]. It is now recognised that Wnt signalling controls many cell fate decisions in a variety of different organisms, including mammals. Wnt signalling has been implicated in tumourigenesis, early mesodermal patterning of the embryo, morphogenesis of the brain and kidneys, regulation of mammary gland proliferation and Alzheimer's disease [PUBMED:10967351].
Wnt signal transduction proceeds initially via binding to their cell surface receptors - the so-called frizzled proteins. This activates the signalling functions of B-catenin and regulates the expression of specific genes important in development [PUBMED:10733430]. More recently, however, several non-canonical Wnt signalling pathways have been elucidated that act independently of B-catenin. In both cases, the transduction mechanism requires dishevelled protein (Dsh), a cytoplasmic phosphoprotein that acts directly downstream of frizzled [PUBMED:12072470]. In addition to its role in Wnt signalling, Dsh is also involved in generating planar polarity in Drosophila and has been implicated in the Notch signal transduction cascade. Three human and mouse homologues of Dsh have been cloned (DVL-1 to 3); it is believed that these proteins, like their Drosophila counterpart, are involved in signal transduction. Human and murine orthologues share more than 95% sequence identity and are each 40-50% identical to Drosophila Dsh.
Sequence similarity amongst Dsh proteins is concentrated around three conserved domains: at the N terminus lies a DIX domain (mutations mapping to this region reduce or completely disrupt Wg signalling); a PDZ (or DHR) domain, often found in proteins involved in protein-protein interactions, lies within the central portion of the protein (point mutations within this module have been shown to have little effect on Wg-mediated signal transduction); and a DEP domain is located towards the C terminus and is conserved among a set of proteins that regulate various GTPases (whilst genetic and molecular assays have shown this module to be dispensable for Wg signalling, it is thought to be important in planar polarity signalling in flies [PUBMED:12072470]).
This domain is specific to the signalling protein dishevelled. In Drosophila melanogaster, the dishevelled segment polarity protein is required to establish coherent arrays of polarized cells and segments in embryos. It plays a role in wingless signalling, possibly through the reception of the wingless signal by target cells and subsequent redistribution of arm protein in response to that signal in embryos.The domain is found adjacent to the PDZ domain (INTERPRO), often in conjunction with DEP (INTERPRO) and DIX (INTERPRO).
Domain organisation
Below is a listing of the unique domain organisations or architectures in which this domain is found. More...
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Alignments
We store a range of different sequence alignments for families. As well as the seed alignment from which the family is built, we provide the full alignment, generated by searching the sequence database using the family HMM. We also generate alignments using four representative proteomes (RP) sets, the NCBI sequence database, and our metagenomics sequence database. More...
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We make a range of alignments for each Pfam-A family. You can see a description of each above. You can view these alignments in various ways but please note that some types of alignment are never generated while others may not be available for all families, most commonly because the alignments are too large to handle.
| Seed (4) |
Full (215) |
Representative proteomes | NCBI (198) |
Meta (0) |
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| RP15 (17) |
RP35 (27) |
RP55 (58) |
RP75 (107) |
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| Jalview | ||||||||
| HTML | ||||||||
| PP/heatmap | 1 | |||||||
| Pfam viewer | ||||||||
1Cannot generate PP/Heatmap alignments for seeds; no PP data available
Key:
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We make all of our alignments available in Stockholm format. You can download them here as raw, plain text files or as gzip-compressed files.
| Seed (4) |
Full (215) |
Representative proteomes | NCBI (198) |
Meta (0) |
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|---|---|---|---|---|---|---|---|---|
| RP15 (17) |
RP35 (27) |
RP55 (58) |
RP75 (107) |
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| Raw Stockholm | ||||||||
| Gzipped | ||||||||
You can also download a FASTA format file containing the full-length sequences for all sequences in the full alignment.
External links
MyHits provides a collection of tools to handle multiple sequence alignments. For example, one can refine a seed alignment (sequence addition or removal, re-alignment or manual edition) and then search databases for remote homologs using HMMER3.
HMM logo
HMM logos is one way of visualising profile HMMs. Logos provide a quick overview of the properties of an HMM in a graphical form. You can see a more detailed description of HMM logos and find out how you can interpret them here. More...
Trees
This page displays the phylogenetic tree for this family's seed alignment. We use FastTree to calculate neighbour join trees with a local bootstrap based on 100 resamples (shown next to the tree nodes). FastTree calculates approximately-maximum-likelihood phylogenetic trees from our seed alignment.
Note: You can also download the data file for the tree.
Curation and family details
This section shows the detailed information about the Pfam family. You can see the definitions of many of the terms in this section in the glossary and a fuller explanation of the scoring system that we use in the scores section of the help pages.
Curation
| Seed source: | Pfam-B_1381 (release 5.2) |
| Previous IDs: | none |
| Type: | Family |
| Author: | Mian N, Bateman A |
| Number in seed: | 4 |
| Number in full: | 215 |
| Average length of the domain: | 70.60 aa |
| Average identity of full alignment: | 48 % |
| Average coverage of the sequence by the domain: | 10.92 % |
HMM information
| HMM build commands: |
build method: hmmbuild -o /dev/null HMM SEED
search method: hmmsearch -Z 23193494 -E 1000 --cpu 4 HMM pfamseq
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| Model details: |
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| Model length: | 73 | ||||||||||||
| Family (HMM) version: | 10 | ||||||||||||
| Download: | download the raw HMM for this family |
Species distribution
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