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Entry version 128 (29 Sep 2021)
Sequence version 1 (01 Jan 1990)
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Protein

F-actin-capping protein subunit alpha

Gene

acpB

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

F-actin-capping proteins bind in a Ca2+-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments.

1 Publication

<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 capping, Actin-binding

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-DDI-3371497, HSP90 chaperone cycle for steroid hormone receptors (SHR)
R-DDI-6807878, COPI-mediated anterograde transport
R-DDI-983231, Factors involved in megakaryocyte development and platelet production

<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_and_taxonomy_section">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:
F-actin-capping protein subunit alpha
Alternative name(s):
Aginactin subunit alpha
CAP34
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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:acpB
Synonyms:abpD
ORF Names:DDB_G0272104
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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_and_taxonomy_section">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_and_taxonomy_section">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_and_taxonomy_section">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_manual">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 2, Unassembled WGS sequence

Organism-specific databases

Dictyostelium discoideum online informatics resource

More...
dictyBasei
DDB_G0272104, acpB

<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

<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 or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00002086381 – 281F-actin-capping protein subunit alphaAdd BLAST281

Proteomic databases

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

More...
PaxDbi
P13022

<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_section">'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_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Heterodimer of an alpha and a beta subunit.

GO - Molecular functioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
44689.DDB0191243

<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

Secondary structure

1281
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

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

More...
SMRi
P13022

Database of comparative protein structure models

More...
ModBasei
Search...

Protein Data Bank in Europe - Knowledge Base

More...
PDBe-KBi
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

<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

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0836, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_045161_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P13022

Identification of Orthologs from Complete Genome Data

More...
OMAi
HVHYYED

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P13022

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.30.1140.60, 1 hit
3.90.1150.210, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR002189, CapZ_alpha
IPR037282, CapZ_alpha/beta
IPR042276, CapZ_alpha/beta_2
IPR042489, CapZ_alpha_1
IPR017865, F-actin_cap_asu_CS

The PANTHER Classification System

More...
PANTHERi
PTHR10653, PTHR10653, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01267, F-actin_cap_A, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00191, FACTINCAPA

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF90096, SSF90096, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00748, F_ACTIN_CAPPING_A_1, 1 hit
PS00749, F_ACTIN_CAPPING_A_2, 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_length">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_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">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.

P13022-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MASNQELVQI ATNFLLNAPP CEFMEVVSDV RALLPSESLL NASAGSTFRE
60 70 80 90 100
YNTSQMVSVQ TSKGSALITK EGEISNNEYL DPKNKQVITY DHIKQEVTGE
110 120 130 140 150
RSASGEIEQD IEQYRAAFDE EATKYCNEYY PNGVSAVYGT KVSEGIKITV
160 170 180 190 200
CISTCIYKPN AFYSGRWRSV WTCTFKPGSG NVTSNGKVQV NVHYFEDGNV
210 220 230 240 250
QLNTVTQKQT TSPSADAQST AVNAFKAIGK AELNLHTALD NNYSTMGDTT
260 270 280
FKALRRALPI NRTKINWQKV KNFKIANELN K
Length:281
Mass (Da):31,163
Last modified:January 1, 1990 - 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:i488C23AF378FC2F7
GO

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
M25132 Genomic DNA Translation: AAA33176.1
AAFI02000008 Genomic DNA Translation: EAL71204.1

Protein sequence database of the Protein Information Resource

More...
PIRi
B61042

NCBI Reference Sequences

More...
RefSeqi
XP_645243.1, XM_640151.1

Genome annotation databases

Ensembl protists genome annotation project

More...
EnsemblProtistsi
EAL71204; EAL71204; DDB_G0272104

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
8618410

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ddi:DDB_G0272104

<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
M25132 Genomic DNA Translation: AAA33176.1
AAFI02000008 Genomic DNA Translation: EAL71204.1
PIRiB61042
RefSeqiXP_645243.1, XM_640151.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...
PDBei

Protein Data Bank RCSB

More...
RCSB PDBi

Protein Data Bank Japan

More...
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
4AKRX-ray2.20A/C1-281[»]
SMRiP13022
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

STRINGi44689.DDB0191243

Proteomic databases

PaxDbiP13022

Genome annotation databases

EnsemblProtistsiEAL71204; EAL71204; DDB_G0272104
GeneIDi8618410
KEGGiddi:DDB_G0272104

Organism-specific databases

dictyBaseiDDB_G0272104, acpB

Phylogenomic databases

eggNOGiKOG0836, Eukaryota
HOGENOMiCLU_045161_0_0_1
InParanoidiP13022
OMAiHVHYYED
PhylomeDBiP13022

Enzyme and pathway databases

ReactomeiR-DDI-3371497, HSP90 chaperone cycle for steroid hormone receptors (SHR)
R-DDI-6807878, COPI-mediated anterograde transport
R-DDI-983231, Factors involved in megakaryocyte development and platelet production

Miscellaneous databases

Protein Ontology

More...
PROi
PR:P13022

Family and domain databases

Gene3Di3.30.1140.60, 1 hit
3.90.1150.210, 1 hit
InterProiView protein in InterPro
IPR002189, CapZ_alpha
IPR037282, CapZ_alpha/beta
IPR042276, CapZ_alpha/beta_2
IPR042489, CapZ_alpha_1
IPR017865, F-actin_cap_asu_CS
PANTHERiPTHR10653, PTHR10653, 1 hit
PfamiView protein in Pfam
PF01267, F-actin_cap_A, 1 hit
PRINTSiPR00191, FACTINCAPA
SUPFAMiSSF90096, SSF90096, 1 hit
PROSITEiView protein in PROSITE
PS00748, F_ACTIN_CAPPING_A_1, 1 hit
PS00749, F_ACTIN_CAPPING_A_2, 1 hit

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 nameiCAPZA_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: P13022
Secondary accession number(s): Q559U1, Q75JU7
<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_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 1, 1990
Last sequence update: January 1, 1990
Last modified: September 29, 2021
This is version 128 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

3D-structure, Direct protein sequencing, Reference proteome

Documents

  1. Dictyostelium discoideum
    Dictyostelium discoideum: entries, gene names and cross-references to dictyBase
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  3. SIMILARITY comments
    Index of protein domains and families
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