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Entry version 106 (02 Dec 2020)
Sequence version 2 (02 Nov 2010)
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Protein

Protein NRT1/ PTR FAMILY 8.4

Gene

NPF8.4

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

<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 processTransport

Enzyme and pathway databases

BRENDA Comprehensive Enzyme Information System

More...
BRENDAi
3.6.3.43, 399

<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:
Protein NRT1/ PTR FAMILY 8.4
Short name:
AtNPF8.4
Alternative name(s):
Peptide transporter PTR4
<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:NPF8.4
Synonyms:PTR4
Ordered Locus Names:At2g02020
ORF Names:F14H20.9
<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
AT2G02020

The Arabidopsis Information Resource

More...
TAIRi
locus:2041140, AT2G02020

<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 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>Transmembranei89 – 109HelicalSequence analysisAdd BLAST21
Transmembranei117 – 137HelicalSequence analysisAdd BLAST21
Transmembranei155 – 175HelicalSequence analysisAdd BLAST21
Transmembranei201 – 221HelicalSequence analysisAdd BLAST21
Transmembranei231 – 251HelicalSequence analysisAdd BLAST21
Transmembranei315 – 335HelicalSequence analysisAdd BLAST21
Transmembranei346 – 366HelicalSequence analysisAdd BLAST21
Transmembranei395 – 415HelicalSequence analysisAdd BLAST21
Transmembranei436 – 456HelicalSequence analysisAdd BLAST21
Transmembranei475 – 495HelicalSequence analysisAdd BLAST21
Transmembranei518 – 538HelicalSequence analysisAdd BLAST21

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_00003999601 – 545Protein NRT1/ PTR FAMILY 8.4Add BLAST545

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei116PhosphothreonineBy similarity1

Keywords - PTMi

Phosphoprotein

Proteomic databases

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

More...
PaxDbi
Q84WG0

PRoteomics IDEntifications database

More...
PRIDEi
Q84WG0

ProteomicsDB: a multi-organism proteome resource

More...
ProteomicsDBi
226243 [Q84WG0-1]

<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

<p>This subsection of the 'Expression' section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified 'at protein level'.<br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Expressed in roots.1 Publication

Gene expression databases

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q84WG0, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q84WG0, 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
136, 28 interactors

Protein interaction database and analysis system

More...
IntActi
Q84WG0, 27 interactors

STRING: functional protein association networks

More...
STRINGi
3702.AT2G02020.1

<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

<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
KOG1237, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_009313_4_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q84WG0

Identification of Orthologs from Complete Genome Data

More...
OMAi
ICPPATM

Database of Orthologous Groups

More...
OrthoDBi
365203at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q84WG0

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR036259, MFS_trans_sf
IPR000109, POT_fam
IPR018456, PTR2_symporter_CS

The PANTHER Classification System

More...
PANTHERi
PTHR11654, PTHR11654, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00854, PTR2, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF103473, SSF103473, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS01022, PTR2_1, 1 hit
PS01023, PTR2_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%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: Q84WG0-1) [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
MASIDEERSL LEVEESLIQE EVKLYAEDGS IDIHGNPPLK QTTGNWKACP
60 70 80 90 100
FIFANECCER LAYYGIAKNL ITYFTNELHE TNVSAARHVM TWQGTCYITP
110 120 130 140 150
LIGALIADAY WGRYWTIACF SAIYFTGMVA LTLSASVPGL KPAECIGSLC
160 170 180 190 200
PPATMVQSTV LFSGLYLIAL GTGGIKPCVS SFGADQFDKT DPSERVRKAS
210 220 230 240 250
FFNWFYFTIN IGAFVSSTVL VWIQENYGWE LGFLIPTVFM GLATMSFFFG
260 270 280 290 300
TPLYRFQKPR GSPITSVCQV LVAAYRKSNL KVPEDSTDEG DANTNPWKLC
310 320 330 340 350
TVTQVEEVKI LLRLVPIWAS GIIFSVLHSQ IYTLFVQQGR CMKRTIGLFE
360 370 380 390 400
IPPATLGMFD TASVLISVPI YDRVIVPLVR RFTGLAKGFT ELQRMGIGLF
410 420 430 440 450
VSVLSLTFAA IVETVRLQLA RDLDLVESGD IVPLNIFWQI PQYFLMGTAG
460 470 480 490 500
VFFFVGRIEF FYEQSPDSMR SLCSAWALLT TTLGNYLSSL IITLVAYLSG
510 520 530 540
KDCWIPSDNI NNGHLDYFFW LLVSLGSVNI PVFVFFSVKY THMKV
Length:545
Mass (Da):60,880
Last modified:November 2, 2010 - 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:iE69740E3A53FEA5F
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
F4IPF3F4IPF3_ARATH
Major facilitator superfamily prote...
PTR4 AtNPF8.4, AtPTR4, NPF8.4, NRT1, peptide transporter 4
524Annotation score:

Annotation score:2 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 AAO41910 differs from that shown. Intron retention.Curated

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
AC006532 Genomic DNA Translation: AAD20094.1
CP002685 Genomic DNA Translation: AEC05533.1
BT003860 mRNA Translation: AAO41910.1 Sequence problems.

Protein sequence database of the Protein Information Resource

More...
PIRi
A84432

NCBI Reference Sequences

More...
RefSeqi
NP_178311.1, NM_126263.3 [Q84WG0-1]

Genome annotation databases

Ensembl plant genome annotation project

More...
EnsemblPlantsi
AT2G02020.1; AT2G02020.1; AT2G02020 [Q84WG0-1]

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
814733

Gramene; a comparative resource for plants

More...
Gramenei
AT2G02020.1; AT2G02020.1; AT2G02020 [Q84WG0-1]

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ath:AT2G02020

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
AC006532 Genomic DNA Translation: AAD20094.1
CP002685 Genomic DNA Translation: AEC05533.1
BT003860 mRNA Translation: AAO41910.1 Sequence problems.
PIRiA84432
RefSeqiNP_178311.1, NM_126263.3 [Q84WG0-1]

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

BioGRIDi136, 28 interactors
IntActiQ84WG0, 27 interactors
STRINGi3702.AT2G02020.1

Proteomic databases

PaxDbiQ84WG0
PRIDEiQ84WG0
ProteomicsDBi226243 [Q84WG0-1]

Genome annotation databases

EnsemblPlantsiAT2G02020.1; AT2G02020.1; AT2G02020 [Q84WG0-1]
GeneIDi814733
GrameneiAT2G02020.1; AT2G02020.1; AT2G02020 [Q84WG0-1]
KEGGiath:AT2G02020

Organism-specific databases

AraportiAT2G02020
TAIRilocus:2041140, AT2G02020

Phylogenomic databases

eggNOGiKOG1237, Eukaryota
HOGENOMiCLU_009313_4_1_1
InParanoidiQ84WG0
OMAiICPPATM
OrthoDBi365203at2759
PhylomeDBiQ84WG0

Enzyme and pathway databases

BRENDAi3.6.3.43, 399

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q84WG0

Gene expression databases

ExpressionAtlasiQ84WG0, baseline and differential
GenevisibleiQ84WG0, AT

Family and domain databases

InterProiView protein in InterPro
IPR036259, MFS_trans_sf
IPR000109, POT_fam
IPR018456, PTR2_symporter_CS
PANTHERiPTHR11654, PTHR11654, 1 hit
PfamiView protein in Pfam
PF00854, PTR2, 1 hit
SUPFAMiSSF103473, SSF103473, 1 hit
PROSITEiView protein in PROSITE
PS01022, PTR2_1, 1 hit
PS01023, PTR2_2, 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 nameiPTR26_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: Q84WG0
Secondary accession number(s): Q9ZPS2
<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 2, 2010
Last sequence update: November 2, 2010
Last modified: December 2, 2020
This is version 106 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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