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Entry version 102 (26 Feb 2020)
Sequence version 1 (24 May 2005)
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Protein

Formin-B

Gene

forB

Organism
Dictyostelium discoideum (Slime mold)
Status
Reviewed-Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Formins play an important role in the nucleation of actin and the formation of linear actin filaments.By similarity

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionActin-binding

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Formin-B
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:forB
ORF Names:DDB_G0282297
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiDictyostelium discoideum (Slime mold)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri44689 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaAmoebozoaEvoseaEumycetozoaDictyosteliaDictyostelialesDictyosteliaceaeDictyostelium
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000002195 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componentsi: Chromosome 3, Unassembled WGS sequence

Organism-specific databases

Dictyostelium discoideum online informatics resource

More...
dictyBasei
DDB_G0282297 forB

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

GO - Cellular componenti

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

<p>This subsection of the 'Pathology and Biotech' section describes the in vivo effects caused by ablation of the gene (or one or more transcripts) coding for the protein described in the entry. This includes gene knockout and knockdown, provided experiments have been performed in the context of a whole organism or a specific tissue, and not at the single-cell level.<p><a href='/help/disruption_phenotype' target='_top'>More...</a></p>Disruption phenotypei

No visible phenotype. ForA and forB double null cells also show no phenotype.1 Publication

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00003639141 – 1126Formin-BAdd BLAST1126

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q54SP2

PRoteomics IDEntifications database

More...
PRIDEi
Q54SP2

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

<p>This subsection of the 'Expression' section provides information on the expression of the gene product at various stages of a cell, tissue or organism development. By default, the information is derived from experiments at the mRNA level, unless specified 'at the protein level'.<p><a href='/help/developmental_stage' target='_top'>More...</a></p>Developmental stagei

Expression decreases after the onset of development.1 Publication

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Interacts (via GBD/FH3 domain) with activated Rho-GTPases.

Interacts with pfyA and pfyB.

2 Publications

GO - Molecular functioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
44689.DDB0215000

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q54SP2

Database of comparative protein structure models

More...
ModBasei
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini38 – 406GBD/FH3PROSITE-ProRule annotationAdd BLAST369
Domaini527 – 611FH1Add BLAST85
Domaini612 – 1011FH2PROSITE-ProRule annotationAdd BLAST400
Domaini1071 – 1100DADPROSITE-ProRule annotationAdd BLAST30

Coiled coil

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and domains' section denotes the positions of regions of coiled coil within the protein.<p><a href='/help/coiled' target='_top'>More...</a></p>Coiled coili463 – 514Sequence analysisAdd BLAST52
Coiled coili980 – 1010Sequence analysisAdd BLAST31

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi428 – 444Poly-AsnAdd BLAST17
Compositional biasi545 – 556Poly-ProAdd BLAST12
Compositional biasi562 – 571Poly-Pro10
Compositional biasi577 – 584Poly-Pro8
Compositional biasi589 – 596Poly-Pro8
Compositional biasi1059 – 1064Poly-Gln6
Compositional biasi1068 – 1072Poly-Asp5

<p>This subsection of the 'Family and domains' section provides general information on the biological role of a domain. The term 'domain' is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

The DAD domain regulates activation via by an autoinhibitory interaction with the GBD/FH3 domain. This autoinhibition is released upon competitive binding of an activated GTPase. The release of DAD allows the FH2 domain to then nucleate and elongate nonbranched actin filaments (By similarity).By similarity

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Keywords - Domaini

Coiled coil

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1922 Eukaryota
ENOG410XQR0 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_279717_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q54SP2

KEGG Orthology (KO)

More...
KOi
K04512

Identification of Orthologs from Complete Genome Data

More...
OMAi
KMPVFRG

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q54SP2

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.20.58.2220, 1 hit
1.25.10.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011989 ARM-like
IPR016024 ARM-type_fold
IPR014767 DAD_dom
IPR015425 FH2_Formin
IPR042201 FH2_Formin_sf
IPR010472 FH3_dom
IPR014768 GBD/FH3_dom
IPR010473 GTPase-bd

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF06367 Drf_FH3, 1 hit
PF06371 Drf_GBD, 1 hit
PF02181 FH2, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM01139 Drf_FH3, 1 hit
SM01140 Drf_GBD, 1 hit
SM00498 FH2, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF48371 SSF48371, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51231 DAD, 1 hit
PS51444 FH2, 1 hit
PS51232 GBD_FH3, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

Q54SP2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MFFKGKKKDK EKEKSHGNIG NVISVENKTG SQSNLHVEQN LSNEDLKIQF
60 70 80 90 100
SQLLYELGVP EAKRVEMELW SNDKKWMLLV QNKDKIKENE EKMKQKGSLY
110 120 130 140 150
ETPQFYLSLL RENASIQKTI SDLKVSLASN KLSWIDSFIG LSGFDEILKI
160 170 180 190 200
FQTFQLKPEK NSIDFLILFD CVNIIKSILN SQSGVKSVMT TSHTFKVLVL
210 220 230 240 250
CLDQSYPPEL RNAVLQLTAA LTLLPTVGHS YVLEAIENFK VSNREKVRFQ
260 270 280 290 300
TIIEGAKSVS NTQLHYEYLT SFMNLVNSIV NSPADLQVRI GLRSEFTALK
310 320 330 340 350
LIELISNSKG VSEDLDTQIN LFFECMEEDN DEVGAHYKEV NIRSPSEVST
360 370 380 390 400
KIDTLLQSHP ALHHHFISII KGLYTLASTQ SDLGGSMWNI LDESVGLILK
410 420 430 440 450
DPSKESQLEK LQNENNNLKL QLSEIKLNNS NNNNNNNNSN NNNNDSNVST
460 470 480 490 500
PNINTGSPLL PPQQYQDLEQ KLQLTQNEKN ESQNKVKQLE SEIKGLNSTL
510 520 530 540 550
TGLQLKVTKL EADLLSVSVT TPPSDTNGTT SPPIEAPSSP SLGAPPPPPP
560 570 580 590 600
PPPAPPVSGG GPPPPPPPPP PSSGGGPPPP PPPPSSGGPP PPPPPPGGMK
610 620 630 640 650
KPGAPAVPNL PPKKSSVPSV KMVGLQWKKV NNNVIENSIW MNVKDYNLND
660 670 680 690 700
QFKQLEELFQ VKKPTATTPT APVGGASNVA VGGGSGSKSI VSTPTISILD
710 720 730 740 750
PKRSQAIMIM LSRFKISFPD LSKAITNLDE SKLNLEDAKS LLKFVPSSEE
760 770 780 790 800
IELLKEEDPS CFGKPEQFLW ELSKINRISE KLECFIFKQK LSTQIEELTP
810 820 830 840 850
DINALLKGSM ETKNNKSFHQ ILEIVLSLGN FINGGTPRGD IYGFKLDSLS
860 870 880 890 900
GLLDCRSPSD SKVTLMTWLI QFLENKHPSL LEFHQEFTAI DEAKRVSIQN
910 920 930 940 950
LRSEVASLKK GLTLLTNEVE KSEGASKTIL SGFVGKSTDA VTLIEKQFNT
960 970 980 990 1000
ALESFNSTVQ FYGEDVKTSS PEEFFQHVSK FKNEFKRTIE SIQKERENVQ
1010 1020 1030 1040 1050
KLAARKKAAA SGPSVPSASG SSINIAPKSG VSPITPTSKS SISISQKPPQ
1060 1070 1080 1090 1100
STQPSISVQQ QQQQHHGDDD DDIPQNGTFM DQLMSKMKGG EAIRASRRAS
1110 1120
QYVFTQNGAG GVGAIDALNA ALKNKK
Length:1,126
Mass (Da):123,608
Last modified:May 24, 2005 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iCC7EE3BC1C07573C
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti240K → N in BAC16797 (PubMed:12538772).Curated1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AB082543 Genomic DNA Translation: BAC16797.1
AAFI02000047 Genomic DNA Translation: EAL66270.1

NCBI Reference Sequences

More...
RefSeqi
XP_640259.1, XM_635167.1

Genome annotation databases

Ensembl protists genome annotation project

More...
EnsemblProtistsi
EAL66270; EAL66270; DDB_G0282297

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
8623518

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ddi:DDB_G0282297

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB082543 Genomic DNA Translation: BAC16797.1
AAFI02000047 Genomic DNA Translation: EAL66270.1
RefSeqiXP_640259.1, XM_635167.1

3D structure databases

SMRiQ54SP2
ModBaseiSearch...

Protein-protein interaction databases

STRINGi44689.DDB0215000

Proteomic databases

PaxDbiQ54SP2
PRIDEiQ54SP2

Genome annotation databases

EnsemblProtistsiEAL66270; EAL66270; DDB_G0282297
GeneIDi8623518
KEGGiddi:DDB_G0282297

Organism-specific databases

dictyBaseiDDB_G0282297 forB

Phylogenomic databases

eggNOGiKOG1922 Eukaryota
ENOG410XQR0 LUCA
HOGENOMiCLU_279717_0_0_1
InParanoidiQ54SP2
KOiK04512
OMAiKMPVFRG
PhylomeDBiQ54SP2

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q54SP2

Family and domain databases

Gene3Di1.20.58.2220, 1 hit
1.25.10.10, 1 hit
InterProiView protein in InterPro
IPR011989 ARM-like
IPR016024 ARM-type_fold
IPR014767 DAD_dom
IPR015425 FH2_Formin
IPR042201 FH2_Formin_sf
IPR010472 FH3_dom
IPR014768 GBD/FH3_dom
IPR010473 GTPase-bd
PfamiView protein in Pfam
PF06367 Drf_FH3, 1 hit
PF06371 Drf_GBD, 1 hit
PF02181 FH2, 1 hit
SMARTiView protein in SMART
SM01139 Drf_FH3, 1 hit
SM01140 Drf_GBD, 1 hit
SM00498 FH2, 1 hit
SUPFAMiSSF48371 SSF48371, 1 hit
PROSITEiView protein in PROSITE
PS51231 DAD, 1 hit
PS51444 FH2, 1 hit
PS51232 GBD_FH3, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiFORB_DICDI
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q54SP2
Secondary accession number(s): Q8IU41
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: February 10, 2009
Last sequence update: May 24, 2005
Last modified: February 26, 2020
This is version 102 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Dictyostelium discoideum
    Dictyostelium discoideum: entries, gene names and cross-references to dictyBase
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