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Entry version 138 (02 Dec 2020)
Sequence version 1 (01 Nov 1995)
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Protein

U3 small nucleolar RNA-associated protein 18 homolog

Gene

B0280.9

Organism
Caenorhabditis elegans
Status
Reviewed-Annotation 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>
-Protein inferred from homologyi <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 nucleolar processing of pre-18S ribosomal RNA.By similarity

<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 - 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 processrRNA processing

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-CEL-6791226, Major pathway of rRNA processing in the nucleolus and cytosol

SignaLink: a signaling pathway resource with multi-layered regulatory networks

More...
SignaLinki
P42000

<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:
U3 small nucleolar RNA-associated protein 18 homolog
<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
ORF Names:B0280.9
<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>OrganismiCaenorhabditis elegans
<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 identifieri6239 [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 lineageiEukaryotaMetazoaEcdysozoaNematodaChromadoreaRhabditidaRhabditinaRhabditomorphaRhabditoideaRhabditidaePeloderinaeCaenorhabditis
<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
  • UP000001940 <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 III

Organism-specific databases

WormBase

More...
WormBasei
B0280.9 ; CE00816 ; WBGene00015104

<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 Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics 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_00000514081 – 429U3 small nucleolar RNA-associated protein 18 homologAdd BLAST429

Proteomic databases

Encyclopedia of Proteome Dynamics

More...
EPDi
P42000

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

More...
PaxDbi
P42000

PeptideAtlas

More...
PeptideAtlasi
P42000

PRoteomics IDEntifications database

More...
PRIDEi
P42000

<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

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
WBGene00015104, Expressed in material anatomical entity and 5 other tissues

<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
41206, 12 interactors

STRING: functional protein association networks

More...
STRINGi
6239.B0280.9

<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 'Family and Domains' section indicates the positions and types of repeated sequence motifs or repeated domains within the protein.<p><a href='/help/repeat' target='_top'>More...</a></p>Repeati117 – 156WD 1Add BLAST40
Repeati295 – 336WD 2Add BLAST42
Repeati345 – 386WD 3Add BLAST42
Repeati392 – 428WD 4Add BLAST37

<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 WD repeat UTP18 family.Curated

Keywords - Domaini

Repeat, WD repeat

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

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eggNOGi
KOG2055, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000165670

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_011055_3_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P42000

Identification of Orthologs from Complete Genome Data

More...
OMAi
QFHPTST

Database of Orthologous Groups

More...
OrthoDBi
462558at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P42000

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.130.10.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR015943, WD40/YVTN_repeat-like_dom_sf
IPR001680, WD40_repeat
IPR036322, WD40_repeat_dom_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00400, WD40, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00320, WD40, 5 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF50978, SSF50978, 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.

P42000-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSKRPVIESE KPAWHDEDDD NMVVAVPKKV KMTMRVELKR TTDEEHGELD
60 70 80 90 100
SKEYVGRLQE AFRKRHGGTP KWAKAAAGDE EEGSLLKTAA GYLAKDVNLP
110 120 130 140 150
KTTIHTTLIK DFNIGHRYTR GITVVKFHKT RPVLIVADQG GNVQLFKVSR
160 170 180 190 200
EVKKDRFLQS ANFSKFPIDS LEIADKGHSV ICSSSRKEYL MQYNMETREV
210 220 230 240 250
TQLKPPNTVP KQGIRLFAIS HDSQFLAIAG HNSHIYVLHA TSMEHITTIS
260 270 280 290 300
LPANASEIKF FPSHSREIWI ICETGQIVIA NIGLPGTKSS QHTFTDDGAV
310 320 330 340 350
HGTTLAISQH GDYFATGSDT GIVNVYSGND CRNSTNPRPL FNVSNLVTAV
360 370 380 390 400
SSIAFNSDAQ LMAICSNVKD NHLRLVHVAS QTTFKNFPER NGKVTHARCV
410 420
EFSPNGGYMA VGNDDGRLHV FEIHHFTDY
Length:429
Mass (Da):47,772
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:iE4D0154305A65DED
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
FO080148 Genomic DNA Translation: CCD61605.1

Protein sequence database of the Protein Information Resource

More...
PIRi
T15303

NCBI Reference Sequences

More...
RefSeqi
NP_498555.1, NM_066154.5

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
B0280.9.1; B0280.9.1; WBGene00015104

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
175994

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
cel:CELE_B0280.9

UCSC genome browser

More...
UCSCi
B0280.9, c. elegans

<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
FO080148 Genomic DNA Translation: CCD61605.1
PIRiT15303
RefSeqiNP_498555.1, NM_066154.5

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

BioGRIDi41206, 12 interactors
STRINGi6239.B0280.9

Proteomic databases

EPDiP42000
PaxDbiP42000
PeptideAtlasiP42000
PRIDEiP42000

Genome annotation databases

EnsemblMetazoaiB0280.9.1; B0280.9.1; WBGene00015104
GeneIDi175994
KEGGicel:CELE_B0280.9
UCSCiB0280.9, c. elegans

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
175994
WormBaseiB0280.9 ; CE00816 ; WBGene00015104

Phylogenomic databases

eggNOGiKOG2055, Eukaryota
GeneTreeiENSGT00940000165670
HOGENOMiCLU_011055_3_0_1
InParanoidiP42000
OMAiQFHPTST
OrthoDBi462558at2759
PhylomeDBiP42000

Enzyme and pathway databases

ReactomeiR-CEL-6791226, Major pathway of rRNA processing in the nucleolus and cytosol
SignaLinkiP42000

Miscellaneous databases

Protein Ontology

More...
PROi
PR:P42000

Gene expression databases

BgeeiWBGene00015104, Expressed in material anatomical entity and 5 other tissues

Family and domain databases

Gene3Di2.130.10.10, 1 hit
InterProiView protein in InterPro
IPR015943, WD40/YVTN_repeat-like_dom_sf
IPR001680, WD40_repeat
IPR036322, WD40_repeat_dom_sf
PfamiView protein in Pfam
PF00400, WD40, 1 hit
SMARTiView protein in SMART
SM00320, WD40, 5 hits
SUPFAMiSSF50978, SSF50978, 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 nameiUTP18_CAEEL
<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: P42000
<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: December 2, 2020
This is version 138 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 programCaenorhabditis annotation project

<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. Caenorhabditis elegans
    Caenorhabditis elegans: entries, gene names and cross-references to WormBase
  2. SIMILARITY comments
    Index of protein domains and families
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