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Entry version 120 (12 Aug 2020)
Sequence version 2 (31 May 2011)
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Protein

Metal tolerance protein A2

Gene

MTPA2

Organism
Arabidopsis thaliana (Mouse-ear cress)
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 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

Involved in sequestration of excess zinc in the cytoplasm into vacuoles to maintain zinc homeostasis.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

Biological processIon transport, Transport, Zinc transport
LigandMetal-binding, Zinc

<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:
Metal tolerance protein A2
Short name:
AtMTP3
Short name:
AtMTPa2
<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:MTPA2
Synonyms:MTP3
Ordered Locus Names:At3g58810
ORF Names:T20N10_160
<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 3

Organism-specific databases

Arabidopsis Information Portal

More...
Araporti
AT3G58810

<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

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini1 – 72CytoplasmicSequence analysisAdd BLAST72
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei73 – 93HelicalSequence analysisAdd BLAST21
Topological domaini94 – 105VacuolarSequence analysisAdd BLAST12
Transmembranei106 – 126HelicalSequence analysisAdd BLAST21
Topological domaini127 – 138CytoplasmicSequence analysisAdd BLAST12
Transmembranei139 – 159HelicalSequence analysisAdd BLAST21
Topological domaini160 – 176VacuolarSequence analysisAdd BLAST17
Transmembranei177 – 197HelicalSequence analysisAdd BLAST21
Topological domaini198 – 257CytoplasmicSequence analysisAdd BLAST60
Transmembranei258 – 278HelicalSequence analysisAdd BLAST21
Topological domaini279 – 284VacuolarSequence analysis6
Transmembranei285 – 305HelicalSequence analysisAdd BLAST21
Topological domaini306 – 393CytoplasmicSequence analysisAdd BLAST88

Keywords - Cellular componenti

Membrane

<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_00002061181 – 393Metal tolerance protein A2Add BLAST393

Proteomic databases

PRoteomics IDEntifications database

More...
PRIDEi
Q9LXS1

ProteomicsDB: a multi-organism proteome resource

More...
ProteomicsDBi
250981 [Q9LXS1-1]

<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

Gene expression databases

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q9LXS1, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9LXS1, 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
10365, 1 interactor

STRING: functional protein association networks

More...
STRINGi
3702.AT3G58810.1

<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

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>Regioni198 – 233Required for zinc-bindingBy similarityAdd 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 biasi198 – 233His-richAdd BLAST36

<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

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1482, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_013430_0_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9LXS1

KEGG Orthology (KO)

More...
KOi
K14689

Identification of Orthologs from Complete Genome Data

More...
OMAi
TEHNITH

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.20.1510.10, 2 hits

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR002524, Cation_efflux
IPR036837, Cation_efflux_CTD_sf
IPR027469, Cation_efflux_TMD_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01545, Cation_efflux, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF160240, SSF160240, 1 hit
SSF161111, SSF161111, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR01297, CDF, 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: Q9LXS1-1) [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
MVTPKLHLDL SLTKKMKDHI HEHDHMVQIC GEVSSGETSL VGIKKTCGEA
60 70 80 90 100
PCGFSDAKTS SIEAQERAAS MRKLLIAVLL CAIFIVVEVV GGIKANSLAI
110 120 130 140 150
LTDAAHLLSD VAAFAISLFS LWASGWKANP QQSYGFFRIE ILGALVSIQM
160 170 180 190 200
IWLLAGILVY EAIVRLNNGS GEVEGSLMFA VSAVGLLVNI AMAILLGHDH
210 220 230 240 250
GHGHGHSHDN GHGHSHDHGH GIAATEHHHD SGHDESQLSD VLIEQKKQRN
260 270 280 290 300
VNIQGAYLHV LGDSIQSVGV MIGGAIIWYK PEWKILDLIC TLVFSVIVLG
310 320 330 340 350
TTIGMLRNIL EVLMESTPRE IDPTMLEKGV CEIEEVVAVH ELHIWAITVG
360 370 380 390
KLLLACHVKI RPEAEADMVL DKIIDYIKRE HNISHVTIQI ERQ
Length:393
Mass (Da):42,928
Last modified:May 31, 2011 - v2
<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:iC5D2478F054B0D7D
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
Q3EAH9Q3EAH9_ARATH
Metal tolerance protein A2
MTPA2 ATMTP3, ATMTPA2, METAL TOLERANCE PROTEIN 3, metal tolerance protein A2, MTP3
432Annotation 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>

<p>This subsection of the 'Sequence' section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence CAB88298 differs from that shown. Reason: Erroneous gene model prediction.Curated
The sequence CAJ80833 differs from that shown. Reason: Erroneous initiation. Truncated N-terminus.Curated

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AL353032 Genomic DNA Translation: CAB88298.1 Sequence problems.
CP002686 Genomic DNA Translation: AEE79835.1
AM231755 mRNA Translation: CAJ80833.1 Different initiation.

Protein sequence database of the Protein Information Resource

More...
PIRi
T49164

NCBI Reference Sequences

More...
RefSeqi
NP_974456.1, NM_202727.3 [Q9LXS1-1]

Genome annotation databases

Ensembl plant genome annotation project

More...
EnsemblPlantsi
AT3G58810.2; AT3G58810.2; AT3G58810 [Q9LXS1-1]

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
825050

Gramene; a comparative resource for plants

More...
Gramenei
AT3G58810.2; AT3G58810.2; AT3G58810 [Q9LXS1-1]

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ath:AT3G58810

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
AL353032 Genomic DNA Translation: CAB88298.1 Sequence problems.
CP002686 Genomic DNA Translation: AEE79835.1
AM231755 mRNA Translation: CAJ80833.1 Different initiation.
PIRiT49164
RefSeqiNP_974456.1, NM_202727.3 [Q9LXS1-1]

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

BioGRIDi10365, 1 interactor
STRINGi3702.AT3G58810.1

Proteomic databases

PRIDEiQ9LXS1
ProteomicsDBi250981 [Q9LXS1-1]

Genome annotation databases

EnsemblPlantsiAT3G58810.2; AT3G58810.2; AT3G58810 [Q9LXS1-1]
GeneIDi825050
GrameneiAT3G58810.2; AT3G58810.2; AT3G58810 [Q9LXS1-1]
KEGGiath:AT3G58810

Organism-specific databases

AraportiAT3G58810

Phylogenomic databases

eggNOGiKOG1482, Eukaryota
HOGENOMiCLU_013430_0_1_1
InParanoidiQ9LXS1
KOiK14689
OMAiTEHNITH

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q9LXS1

Gene expression databases

ExpressionAtlasiQ9LXS1, baseline and differential
GenevisibleiQ9LXS1, AT

Family and domain databases

Gene3Di1.20.1510.10, 2 hits
InterProiView protein in InterPro
IPR002524, Cation_efflux
IPR036837, Cation_efflux_CTD_sf
IPR027469, Cation_efflux_TMD_sf
PfamiView protein in Pfam
PF01545, Cation_efflux, 1 hit
SUPFAMiSSF160240, SSF160240, 1 hit
SSF161111, SSF161111, 1 hit
TIGRFAMsiTIGR01297, CDF, 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 nameiMTPA2_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: Q9LXS1
Secondary accession number(s): Q1H8W9
<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: July 19, 2005
Last sequence update: May 31, 2011
Last modified: August 12, 2020
This is version 120 of the entry and version 2 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. Arabidopsis thaliana
    Arabidopsis thaliana: entries and gene names
  2. SIMILARITY comments
    Index of protein domains and families
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