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Entry version 147 (22 Apr 2020)
Sequence version 1 (01 Nov 1995)
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Protein

Probable transcription factor PosF21

Gene

POSF21

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed-Annotation score:

Annotation score:4 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 transcript 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

Putative transcription factor with an activatory role.

<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

<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 functionActivator, DNA-binding
Biological processTranscription, Transcription regulation

<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:
Probable transcription factor PosF21
Alternative name(s):
bZIP transcription factor 59
Short name:
AtbZIP59
<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:POSF21
Synonyms:BZIP59
Ordered Locus Names:At2g31370
ORF Names:T28P16.14
<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>OrganismiArabidopsis thaliana (Mouse-ear cress)
<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 identifieri3702 [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 lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliopsidaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
<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
  • UP000006548 <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> Componenti: Chromosome 2

Organism-specific databases

Arabidopsis Information Portal

More...
Araporti
AT2G31370

The Arabidopsis Information Resource

More...
TAIRi
locus:2061340 AT2G31370

<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

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Nucleus

<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_00000765691 – 398Probable transcription factor PosF21Add BLAST398

Proteomic databases

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

More...
PaxDbi
Q04088

PRoteomics IDEntifications database

More...
PRIDEi
Q04088

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q04088

<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

Expressed constitutively at a low level in young seedlings and in roots, stems and leaves of mature plants.

Gene expression databases

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q04088 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q04088 AT

<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

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
3042, 11 interactors

Protein interaction database and analysis system

More...
IntActi
Q04088, 8 interactors

STRING: functional protein association networks

More...
STRINGi
3702.AT2G31370.1

<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>Domaini201 – 264bZIPPROSITE-ProRule annotationAdd BLAST64

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni203 – 224Basic motifPROSITE-ProRule annotationAdd BLAST22
Regioni229 – 264Leucine-zipperPROSITE-ProRule annotationAdd BLAST36

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 biasi340 – 372Poly-GlnAdd BLAST33

<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

Belongs to the bZIP family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IIHM Eukaryota
ENOG4111FX9 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_026205_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q04088

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q04088

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR004827 bZIP

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00170 bZIP_1, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00338 BRLZ, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50217 BZIP, 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>Sequence (1+)i

<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.

This entry describes 1 <p>This subsection of the 'Sequence' section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform. This section is only present in reviewed entries, i.e. in UniProtKB/Swiss-Prot.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoform i produced by alternative splicing. AlignAdd to basket
Note: A number of isoforms are produced. According to EST sequences.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

Isoform 1 (identifier: Q04088-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the <div> <p><b>What is the canonical sequence?</b><p><a href='/help/canonical_and_isoforms' target='_top'>More...</a></p>canonicali sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MDKEKSPAPP CGGLPPPSPS GRCSAFSEAG PIGHGSDANR MSHDISRMLD
60 70 80 90 100
NPPKKIGHRR AHSEILTLPD DLSFDSDLGV VGNAADGASF SDETEEDLLS
110 120 130 140 150
MYLDMDKFNS SATSSAQVGE PSGTAWKNET MMQTGTGSTS NPQNTVNSLG
160 170 180 190 200
ERPRIRHQHS QSMDGSMNIN EMLMSGNEDD SAIDAKKSMS ATKLAELALI
210 220 230 240 250
DPKRAKRIWA NRQSAARSKE RKTRYIFELE RKVQTLQTEA TTLSAQLTLL
260 270 280 290 300
QRDTNGLTVE NNELKLRLQT MEQQVHLQDE LNEALKEEIQ HLKVLTGQVA
310 320 330 340 350
PSALNYGSFG SNQQQFYSNN QSMQTILAAK QFQQLQIHSQ KQQQQQQQQQ
360 370 380 390
QQHQQQQQQQ QQYQFQQQQM QQLMQQRLQQ QEQQNGVRLK PSQAQKEN
Length:398
Mass (Da):44,690
Last modified:November 1, 1995 - 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:i2DAA9EC9B9C14D11
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
F4IQT9F4IQT9_ARATH
Basic-leucine zipper (BZIP) transcr...
PosF21 At2g31370, T28P16.14, T28P16_14
377Annotation score:

Annotation score:1 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>

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
X61031 Genomic DNA Translation: CAA43366.1
AC007169 Genomic DNA Translation: AAD26486.1
CP002685 Genomic DNA Translation: AEC08534.1
CP002685 Genomic DNA Translation: AEC08535.1
CP002685 Genomic DNA Translation: AEC08536.1
CP002685 Genomic DNA Translation: AEC08537.1
CP002685 Genomic DNA Translation: AEC08539.1
CP002685 Genomic DNA Translation: ANM62710.1
AY057534 mRNA Translation: AAL09774.1
AY113058 mRNA Translation: AAM47366.1

Protein sequence database of the Protein Information Resource

More...
PIRi
S21883

NCBI Reference Sequences

More...
RefSeqi
NP_001031456.2, NM_001036379.3 [Q04088-1]
NP_001189650.1, NM_001202721.1 [Q04088-1]
NP_001318327.1, NM_001336329.1 [Q04088-1]
NP_180695.1, NM_128694.2 [Q04088-1]
NP_850167.1, NM_179836.2 [Q04088-1]
NP_850168.2, NM_179837.2 [Q04088-1]

Genome annotation databases

Ensembl plant genome annotation project

More...
EnsemblPlantsi
AT2G31370.1; AT2G31370.1; AT2G31370 [Q04088-1]
AT2G31370.2; AT2G31370.2; AT2G31370 [Q04088-1]
AT2G31370.3; AT2G31370.3; AT2G31370 [Q04088-1]
AT2G31370.4; AT2G31370.4; AT2G31370 [Q04088-1]
AT2G31370.6; AT2G31370.6; AT2G31370 [Q04088-1]
AT2G31370.7; AT2G31370.7; AT2G31370 [Q04088-1]

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
817695

Gramene; a comparative resource for plants

More...
Gramenei
AT2G31370.1; AT2G31370.1; AT2G31370 [Q04088-1]
AT2G31370.2; AT2G31370.2; AT2G31370 [Q04088-1]
AT2G31370.3; AT2G31370.3; AT2G31370 [Q04088-1]
AT2G31370.4; AT2G31370.4; AT2G31370 [Q04088-1]
AT2G31370.6; AT2G31370.6; AT2G31370 [Q04088-1]
AT2G31370.7; AT2G31370.7; AT2G31370 [Q04088-1]

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ath:AT2G31370

Keywords - Coding sequence diversityi

Alternative splicing

<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
X61031 Genomic DNA Translation: CAA43366.1
AC007169 Genomic DNA Translation: AAD26486.1
CP002685 Genomic DNA Translation: AEC08534.1
CP002685 Genomic DNA Translation: AEC08535.1
CP002685 Genomic DNA Translation: AEC08536.1
CP002685 Genomic DNA Translation: AEC08537.1
CP002685 Genomic DNA Translation: AEC08539.1
CP002685 Genomic DNA Translation: ANM62710.1
AY057534 mRNA Translation: AAL09774.1
AY113058 mRNA Translation: AAM47366.1
PIRiS21883
RefSeqiNP_001031456.2, NM_001036379.3 [Q04088-1]
NP_001189650.1, NM_001202721.1 [Q04088-1]
NP_001318327.1, NM_001336329.1 [Q04088-1]
NP_180695.1, NM_128694.2 [Q04088-1]
NP_850167.1, NM_179836.2 [Q04088-1]
NP_850168.2, NM_179837.2 [Q04088-1]

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Protein-protein interaction databases

BioGridi3042, 11 interactors
IntActiQ04088, 8 interactors
STRINGi3702.AT2G31370.1

PTM databases

iPTMnetiQ04088

Proteomic databases

PaxDbiQ04088
PRIDEiQ04088

Genome annotation databases

EnsemblPlantsiAT2G31370.1; AT2G31370.1; AT2G31370 [Q04088-1]
AT2G31370.2; AT2G31370.2; AT2G31370 [Q04088-1]
AT2G31370.3; AT2G31370.3; AT2G31370 [Q04088-1]
AT2G31370.4; AT2G31370.4; AT2G31370 [Q04088-1]
AT2G31370.6; AT2G31370.6; AT2G31370 [Q04088-1]
AT2G31370.7; AT2G31370.7; AT2G31370 [Q04088-1]
GeneIDi817695
GrameneiAT2G31370.1; AT2G31370.1; AT2G31370 [Q04088-1]
AT2G31370.2; AT2G31370.2; AT2G31370 [Q04088-1]
AT2G31370.3; AT2G31370.3; AT2G31370 [Q04088-1]
AT2G31370.4; AT2G31370.4; AT2G31370 [Q04088-1]
AT2G31370.6; AT2G31370.6; AT2G31370 [Q04088-1]
AT2G31370.7; AT2G31370.7; AT2G31370 [Q04088-1]
KEGGiath:AT2G31370

Organism-specific databases

AraportiAT2G31370
TAIRilocus:2061340 AT2G31370

Phylogenomic databases

eggNOGiENOG410IIHM Eukaryota
ENOG4111FX9 LUCA
HOGENOMiCLU_026205_0_0_1
InParanoidiQ04088
PhylomeDBiQ04088

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q04088

Gene expression databases

ExpressionAtlasiQ04088 baseline and differential
GenevisibleiQ04088 AT

Family and domain databases

InterProiView protein in InterPro
IPR004827 bZIP
PfamiView protein in Pfam
PF00170 bZIP_1, 1 hit
SMARTiView protein in SMART
SM00338 BRLZ, 1 hit
PROSITEiView protein in PROSITE
PS50217 BZIP, 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 nameiPOF21_ARATH
<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: Q04088
Secondary accession number(s): Q27GL1, Q3EBQ8
<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: November 1, 1995
Last sequence update: November 1, 1995
Last modified: April 22, 2020
This is version 147 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)
Annotation programPlant Protein Annotation Program

<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. Arabidopsis thaliana
    Arabidopsis thaliana: entries and gene names
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