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Entry version 141 (25 May 2022)
Sequence version 1 (01 Mar 2001)
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Protein

25S rRNA (cytosine-C(5))-methyltransferase NOP2A

Gene

NOP2A

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

Annotation score:5 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

Involved in ribosomal large subunit assembly, required for normal progression of rRNA processing (PubMed:26268215, PubMed:29375609).

S-adenosyl-L-methionine-dependent methyltransferase that probably methylates the C5 position of cytosine 2268 (m5C2268) in nuclear 25S rRNA (PubMed:26268215).

May play a role in the regulation of the cell cycle and the increased nucleolar activity that is associated with the cell proliferation (By similarity).

Seems involved in the regulation of cell proliferation in leaves (PubMed:19392710, PubMed:29375609).

By similarity3 Publications

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei391S-adenosyl-L-methioninePROSITE-ProRule annotation1
Binding sitei418S-adenosyl-L-methioninePROSITE-ProRule annotation1
Binding sitei437S-adenosyl-L-methioninePROSITE-ProRule annotation1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei494NucleophilePROSITE-ProRule annotation1

<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 functionMethyltransferase, RNA-binding, Transferase
Biological processRibosome biogenesis, rRNA processing
LigandS-adenosyl-L-methionine

<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:
25S rRNA (cytosine-C(5))-methyltransferase NOP2ACurated (EC:2.1.1.-PROSITE-ProRule annotation1 Publication)
Alternative name(s):
Nucleolar protein 2A1 Publication
Protein OLIGOCELLULA 21 Publication
tRNA methyltransferase 4c1 Publication
Short name:
AtTRM4c1 Publication
<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:NOP2A1 Publication
Synonyms:OLI21 Publication, TRM4c1 Publication
Ordered Locus Names:At5g55920Imported
ORF Names:MYN21.3Imported
<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 5

Organism-specific databases

Arabidopsis Information Portal

More...
Araporti
AT5G55920

The Arabidopsis Information Resource

More...
TAIRi
locus:2178393, AT5G55920

<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

Keywords - Cellular componenti

Nucleus

<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

Moderate reduction in leaf cell number associated with pointed leaves shape (PubMed:19392710). Defects in pre-rRNA processing characterized by an increased accumulation of rRNA intermediates containing 50-ETS, ITS1, or ITS2, with stronger negative effect on ITS2-containing intermediates (PubMed:29375609). Higher levels of 35S, 27SA, 27SB, P-A3, and 18SA3 rRNAs (PubMed:29375609). Normal levels of methylation at cytosine 2860 of 25S rRNA, but slight reduction of nuclear 25S rRNA cytosine 2268 (m5C2268) (PubMed:26268215). Double mutants oli2 oli7 and oli2 oli5 have further reduced cell number but exhibit also excessive postmitotic cell enlargement in leaves (compensation phenotype) (PubMed:19392710). Plant missing both OLI2 and GIF1/AN3 have a strong compensation phenotype (PubMed:19392710). The double mutant gdp1 oli2 exhibit strong growth defect due to a synergistically impaired cell proliferation in leaves and enlarged cells (PubMed:29375609).3 Publications

<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_00004488911 – 68225S rRNA (cytosine-C(5))-methyltransferase NOP2AAdd BLAST682

Proteomic databases

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

More...
PaxDbi
Q9FG73

PRoteomics IDEntifications database

More...
PRIDEi
Q9FG73

ProteomicsDB: a multi-organism proteome resource

More...
ProteomicsDBi
181142

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q9FG73

<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

Strongly expressed in tissues with high cell proliferation activity that have a high demand for ribosome production such as guard cells, leaves primordia, root apical meristems and the basal parts of lateral roots.1 Publication

Gene expression databases

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q9FG73, baseline and differential

<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

Protein interaction database and analysis system

More...
IntActi
Q9FG73, 3 interactors

STRING: functional protein association networks

More...
STRINGi
3702.AT5G55920.1

<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

AlphaFold Protein Structure Database

More...
AlphaFoldDBi
Q9FG73

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

More...
SMRi
Q9FG73

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

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>Regioni1 – 155DisorderedSequence analysisAdd BLAST155
Regioni367 – 373S-adenosyl-L-methionine bindingPROSITE-ProRule annotation7
Regioni567 – 682DisorderedSequence analysisAdd BLAST116

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi38 – 45Nuclear localization signal 1PROSITE-ProRule annotation8
Motifi616 – 623Nuclear localization signal 2PROSITE-ProRule annotation8
Motifi635 – 642Nuclear localization signal 3PROSITE-ProRule annotation8
Motifi655 – 662Nuclear localization signal 4PROSITE-ProRule annotation8

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 type of amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi10 – 42Polar residuesSequence analysisAdd BLAST33
Compositional biasi62 – 151Acidic residuesSequence analysisAdd BLAST90
Compositional biasi576 – 599Acidic residuesSequence analysisAdd BLAST24
Compositional biasi600 – 651Basic and acidic residuesSequence analysisAdd BLAST52
Compositional biasi658 – 682Basic and acidic residuesSequence analysisAdd BLAST25

<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
KOG1122, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_005316_3_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9FG73

Identification of Orthologs from Complete Genome Data

More...
OMAi
FRNIMTG

Database of Orthologous Groups

More...
OrthoDBi
1528896at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9FG73

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.40.50.150, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR018314, Fmu/NOL1/Nop2p_CS
IPR031341, Methyltr_RsmF_N
IPR001678, MeTrfase_RsmB/NOP2
IPR011023, Nop2p
IPR023267, RCMT
IPR023273, RCMT_NOP2
IPR029063, SAM-dependent_MTases

The PANTHER Classification System

More...
PANTHERi
PTHR22807, PTHR22807, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01189, Methyltr_RsmB-F, 1 hit
PF17125, Methyltr_RsmF_N, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR02008, RCMTFAMILY
PR02012, RCMTNOP2

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF53335, SSF53335, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00446, nop2p, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS01153, NOL1_NOP2_SUN, 1 hit
PS51686, SAM_MT_RSMB_NOP, 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.

Q9FG73-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MPALTRNKKK AATKSITPPT KQLTKSKTPP MKPQTSMLKK GAKSQNKPPL
60 70 80 90 100
KKQKKEVVEE EPLEDYEVTD DSDEDDEVSD GSDEDDISPA VESEEIDESD
110 120 130 140 150
DGENGSNQLF SDDEEENDEE TLGDDFLEGS GDEDEEGSLD ADSDADSDDD
160 170 180 190 200
DIVAKSDAID RDLAMQKKDA AAELEDFIKQ DDVHDEEPEH DAFRLPTEEE
210 220 230 240 250
LEEEARGPPD LPLLKTRIEE IVRALKNFKA FRPKDTTRKA CVEQLKADLG
260 270 280 290 300
SYYGYNSFLI GTLVEMFPPG ELMELIEAFE KQRPTSIRTN TLKTRRRDLA
310 320 330 340 350
DVLLNRGVNL DPLSKWSKVG LVIYDSQVPI GATPEYLAGY YMLQGASSFL
360 370 380 390 400
PVMALAPREN ERIVDVAAAP GGKTTYIAAL MKNTGLIYAN EMKVPRLKSL
410 420 430 440 450
TANLHRMGVT NTIVCNYDGR ELPKVLGQNT VDRVLLDAPC SGTGIISKDE
460 470 480 490 500
SVKITKTMDE IKKFAHLQKQ LLLAAIDMVD ANSKTGGYIV YSTCSIMVTE
510 520 530 540 550
NEAVIDYALK KRDVKLVTCG LDFGRKGFTR FREHRFQPSL DKTRRFYPHV
560 570 580 590 600
HNMDGFFVAK LKKMSNVKQS SEEGDDDAVE TVEQAEVSSD DDDEAEAIEE
610 620 630 640 650
TEKPSVPVRQ PKERKEKKNK EKLAKSKEDK RGKKDKKSKS ENVEEPSKPR
660 670 680
KQKKKRREWK NEIAQAREEK RIAMREKAKE EK
Length:682
Mass (Da):76,776
Last modified:March 1, 2001 - 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:i2EFAFFA109474BCD
GO

<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 AAM67083 differs from that shown. Reason: Erroneous initiation. Truncated N-terminus.Curated

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 conflicti657R → W in AAM67083 (Ref. 4) Curated1

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
AB026659 Genomic DNA Translation: BAB08657.1
CP002688 Genomic DNA Translation: AED96699.1
AK316770 mRNA Translation: BAH19490.1
AY088769 mRNA Translation: AAM67083.1 Different initiation.

NCBI Reference Sequences

More...
RefSeqi
NP_850927.1, NM_180596.2

Genome annotation databases

Ensembl plant genome annotation project

More...
EnsemblPlantsi
AT5G55920.1; AT5G55920.1; AT5G55920

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
835690

Gramene; a comparative resource for plants

More...
Gramenei
AT5G55920.1; AT5G55920.1; AT5G55920

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ath:AT5G55920

<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
AB026659 Genomic DNA Translation: BAB08657.1
CP002688 Genomic DNA Translation: AED96699.1
AK316770 mRNA Translation: BAH19490.1
AY088769 mRNA Translation: AAM67083.1 Different initiation.
RefSeqiNP_850927.1, NM_180596.2

3D structure databases

AlphaFoldDBiQ9FG73
SMRiQ9FG73
ModBaseiSearch...

Protein-protein interaction databases

IntActiQ9FG73, 3 interactors
STRINGi3702.AT5G55920.1

PTM databases

iPTMnetiQ9FG73

Proteomic databases

PaxDbiQ9FG73
PRIDEiQ9FG73
ProteomicsDBi181142

Genome annotation databases

EnsemblPlantsiAT5G55920.1; AT5G55920.1; AT5G55920
GeneIDi835690
GrameneiAT5G55920.1; AT5G55920.1; AT5G55920
KEGGiath:AT5G55920

Organism-specific databases

AraportiAT5G55920
TAIRilocus:2178393, AT5G55920

Phylogenomic databases

eggNOGiKOG1122, Eukaryota
HOGENOMiCLU_005316_3_1_1
InParanoidiQ9FG73
OMAiFRNIMTG
OrthoDBi1528896at2759
PhylomeDBiQ9FG73

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q9FG73

Gene expression databases

ExpressionAtlasiQ9FG73, baseline and differential

Family and domain databases

Gene3Di3.40.50.150, 1 hit
InterProiView protein in InterPro
IPR018314, Fmu/NOL1/Nop2p_CS
IPR031341, Methyltr_RsmF_N
IPR001678, MeTrfase_RsmB/NOP2
IPR011023, Nop2p
IPR023267, RCMT
IPR023273, RCMT_NOP2
IPR029063, SAM-dependent_MTases
PANTHERiPTHR22807, PTHR22807, 1 hit
PfamiView protein in Pfam
PF01189, Methyltr_RsmB-F, 1 hit
PF17125, Methyltr_RsmF_N, 1 hit
PRINTSiPR02008, RCMTFAMILY
PR02012, RCMTNOP2
SUPFAMiSSF53335, SSF53335, 1 hit
TIGRFAMsiTIGR00446, nop2p, 1 hit
PROSITEiView protein in PROSITE
PS01153, NOL1_NOP2_SUN, 1 hit
PS51686, SAM_MT_RSMB_NOP, 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 nameiNOP2A_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: Q9FG73
Secondary accession number(s): B9DFH3, Q8L8W4
<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 26, 2020
Last sequence update: March 1, 2001
Last modified: May 25, 2022
This is version 141 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. Arabidopsis thaliana
    Arabidopsis thaliana: entries and gene names
  2. SIMILARITY comments
    Index of protein domains and families
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