Summary: WD40-like Beta Propeller Repeat
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WD40-like Beta Propeller Repeat Provide feedback
This family appears to be related to the PF00400 repeat This This repeat corresponds to the RIVW repeat identified in cell surface proteins [Adindla et al. Comparative and Functional Genomics 2004; 5:2-16.
Internal database links
|Similarity to PfamA using HHSearch:||DPPIV_N Pectate_lyase22|
External database links
This tab holds annotation information from the InterPro database.
InterPro entry IPR011659
WD-40 repeats (also known as WD or beta-transducin repeats) are short ~40 amino acid motifs, often terminating in a Trp-Asp (W-D) dipeptide. WD40 repeats usually assume a 7-8 bladed beta-propeller fold, but proteins have been found with 4 to 16 repeated units, which also form a circularised beta-propeller structure. WD-repeat proteins are a large family found in all eukaryotes and are implicated in a variety of functions ranging from signal transduction and transcription regulation to cell cycle control and apoptosis. Repeated WD40 motifs act as a site for protein-protein interaction, and proteins containing WD40 repeats are known to serve as platforms for the assembly of protein complexes or mediators of transient interplay among other proteins. The specificity of the proteins is determined by the sequences outside the repeats themselves. Examples of such complexes are G proteins (beta subunit is a beta-propeller), TAFII transcription factor, and E3 ubiquitin ligase [PUBMED:11814058, PUBMED:10322433]. In Arabidopsis spp., several WD40-containing proteins act as key regulators of plant-specific developmental events.This region appears to be related to the INTERPRO repeat. This model is likely to miss copies within a sequence.
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This large clan contains proteins that contain beta propellers. These are composed of between 6 and 8 repeats. The individual repeats are composed of a four stranded sheet. The clan includes families such as WD40 Pfam:PF00400 where the individual repeats are modeled. The clan also includes families where the entire propeller is modeled such as Pfam:PF02239 usually because the individual repeats are not discernible. These proteins carry out a very wide diversity of functions including catalysis.
The clan contains the following 60 members:Apc4_WD40 Arylesterase Arylsulfotran_2 Arylsulfotrans Beta_propel CNH Coatomer_WDAD CPSF_A Cytochrom_D1 DPPIV_N DUF1513 DUF1668 DUF1900 DUF2415 DUF3312 DUF4652 DUF839 eIF2A FG-GAP FG-GAP_2 Glu_cyclase_2 Gmad1 GSDH IKI3 Kelch_1 Kelch_2 Kelch_3 Kelch_4 Kelch_5 Kelch_6 Lactonase Ldl_recept_b Lgl_C LVIVD Me-amine-dh_H MRJP Nbas_N Neisseria_PilC NHL Nucleoporin_N Nup160 PD40 Pectate_lyase22 Peptidase_S9_N Phytase-like PQQ PQQ_2 PQQ_3 RAG2 RCC1 RCC1_2 Reg_prop SBBP SBP56 SdiA-regulated SGL Str_synth TcdB_toxin_midN VCBS WD40
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Curation and family details
|Seed source:||Yeats C|
|Author:||Yeats C, Mistry J, Adindla S|
|Number in seed:||127|
|Number in full:||15082|
|Average length of the domain:||34.90 aa|
|Average identity of full alignment:||24 %|
|Average coverage of the sequence by the domain:||15.47 %|
|HMM build commands:||
build method: hmmbuild -o /dev/null HMM SEED
search method: hmmsearch -Z 23193494 -E 1000 --cpu 4 HMM pfamseq
|Family (HMM) version:||7|
|Download:||download the raw HMM for this family|
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There are 3 interactions for this family. More...
We determine these interactions using iPfam, which considers the interactions between residues in three-dimensional protein structures and maps those interactions back to Pfam families. You can find more information about the iPfam algorithm in the journal article that accompanies the website.
For those sequences which have a structure in the Protein DataBank, we use the mapping between UniProt, PDB and Pfam coordinate systems from the PDBe group, to allow us to map Pfam domains onto UniProt sequences and three-dimensional protein structures. The table below shows the structures on which the PD40 domain has been found. There are 58 instances of this domain found in the PDB. Note that there may be multiple copies of the domain in a single PDB structure, since many structures contain multiple copies of the same protein seqence.
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