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Entry version 177 (16 Oct 2019)
Sequence version 3 (23 Oct 2007)
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Protein

Probable ATP-dependent RNA helicase DDX23

Gene

DDX23

Organism
Homo sapiens (Human)
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 pre-mRNA splicing and its phosphorylated form (by SRPK2) is required for spliceosomal B complex formation.1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi435 – 442ATPPROSITE-ProRule annotation8

<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 functionHelicase, Hydrolase
Biological processmRNA processing, mRNA splicing
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-HSA-72163 mRNA Splicing - Major Pathway
R-HSA-72165 mRNA Splicing - Minor Pathway

<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_and_taxonomy_section">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 ATP-dependent RNA helicase DDX23 (EC:3.6.4.13)
Alternative name(s):
100 kDa U5 snRNP-specific protein
DEAD box protein 23
PRP28 homolog
U5-100kD
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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:DDX23
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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>OrganismiHomo sapiens (Human)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 identifieri9606 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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
  • UP000005640 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">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 12

Organism-specific databases

Human Gene Nomenclature Database

More...
HGNCi
HGNC:17347 DDX23

Online Mendelian Inheritance in Man (OMIM)

More...
MIMi
612172 gene

neXtProt; the human protein knowledge platform

More...
neXtProti
NX_Q9BUQ8

<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, Spliceosome

<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

Organism-specific databases

DisGeNET

More...
DisGeNETi
9416

Open Targets

More...
OpenTargetsi
ENSG00000174243

The Pharmacogenetics and Pharmacogenomics Knowledge Base

More...
PharmGKBi
PA134934941

Miscellaneous databases

Pharos NIH Druggable Genome Knowledgebase

More...
Pharosi
Q9BUQ8

Polymorphism and mutation databases

BioMuta curated single-nucleotide variation and disease association database

More...
BioMutai
DDX23

Domain mapping of disease mutations (DMDM)

More...
DMDMi
160385708

<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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000551281 – 820Probable ATP-dependent RNA helicase DDX23Add BLAST820

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 residuei14PhosphoserineCombined sources1
Modified residuei16PhosphoserineCombined sources1
Modified residuei107PhosphoserineCombined sources1
Modified residuei109PhosphoserineCombined sources1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section describes <strong>covalent linkages</strong> of various types formed <strong>between two proteins (interchain cross-links)</strong> or <strong>between two parts of the same protein (intrachain cross-links)</strong>, except the disulfide bonds that are annotated in the <a href="http://www.uniprot.org/manual/disulfid">'Disulfide bond'</a> subsection.<p><a href='/help/crosslnk' target='_top'>More...</a></p>Cross-linki686Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)Combined sources
Cross-linki811Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)Combined sources

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

In vitro phosphorylated by CLK1 and U1 snRNP-associated protein kinase. Phosphorylated by SRPK2 and this phosphorylation is required for its association with the tri-snRNP (U4/U6-U5 tri-small nuclear ribonucleoproteins) and subsequent spliceosomal B complex formation.2 Publications

Keywords - PTMi

Isopeptide bond, Phosphoprotein, Ubl conjugation

Proteomic databases

Encyclopedia of Proteome Dynamics

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EPDi
Q9BUQ8

jPOST - Japan Proteome Standard Repository/Database

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jPOSTi
Q9BUQ8

MassIVE - Mass Spectrometry Interactive Virtual Environment

More...
MassIVEi
Q9BUQ8

MaxQB - The MaxQuant DataBase

More...
MaxQBi
Q9BUQ8

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

More...
PaxDbi
Q9BUQ8

PeptideAtlas

More...
PeptideAtlasi
Q9BUQ8

PRoteomics IDEntifications database

More...
PRIDEi
Q9BUQ8

ProteomicsDB: a multi-organism proteome resource

More...
ProteomicsDBi
4180
79121 [Q9BUQ8-1]

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q9BUQ8

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
Q9BUQ8

SwissPalm database of S-palmitoylation events

More...
SwissPalmi
Q9BUQ8

<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

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Bgeei
ENSG00000174243 Expressed in 223 organ(s), highest expression level in testis

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q9BUQ8 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9BUQ8 HS

Organism-specific databases

Human Protein Atlas

More...
HPAi
HPA038680
HPA039037

<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

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

The phosphorylated form (by SRPK2) is a component of the U4/U6-U5 tri-snRNP complex composed of the U4, U6 and U5 snRNAs and at least PRPF3, PRPF4, PRPF6, PRPF8, PRPF31, SNRNP200, TXNL4A, WDR57, SNRNP40, DDX23, CD2BP2, PPIH, SNU13, EFTUD2, SART1 and USP39 (PubMed:16723661, PubMed:9409622). Identified in the spliceosome C complex (PubMed:11991638).

Interacts with ERBB4 (PubMed:20858735).

Interacts with ERCC6 (PubMed:26030138).

5 Publications

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction_section%27">Interaction</a> section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="http://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated on a monthly basis. Each binary interaction is displayed on a separate line.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

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BioGridi
114811, 117 interactors

CORUM comprehensive resource of mammalian protein complexes

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CORUMi
Q9BUQ8

Database of interacting proteins

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DIPi
DIP-34974N

Protein interaction database and analysis system

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IntActi
Q9BUQ8, 57 interactors

Molecular INTeraction database

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MINTi
Q9BUQ8

STRING: functional protein association networks

More...
STRINGi
9606.ENSP00000310723

<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

Secondary structure

1820
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

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

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SMRi
Q9BUQ8

Database of comparative protein structure models

More...
ModBasei
Search...

Protein Data Bank in Europe - Knowledge Base

More...
PDBe-KBi
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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">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>Domaini422 – 627Helicase ATP-bindingPROSITE-ProRule annotationAdd BLAST206
Domaini651 – 799Helicase C-terminalPROSITE-ProRule annotationAdd BLAST149

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>Motifi391 – 419Q motifAdd BLAST29
Motifi549 – 552DEAD box4

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 biasi20 – 122Arg-richAdd BLAST103
Compositional biasi128 – 240Glu-richAdd BLAST113

<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
KOG0333 Eukaryota
ENOG410XNVG LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000155606

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000268796

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9BUQ8

KEGG Orthology (KO)

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KOi
K12858

Identification of Orthologs from Complete Genome Data

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OMAi
TEKKFNF

Database of Orthologous Groups

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OrthoDBi
820037at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9BUQ8

TreeFam database of animal gene trees

More...
TreeFami
TF300527

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011545 DEAD/DEAH_box_helicase_dom
IPR014001 Helicase_ATP-bd
IPR001650 Helicase_C
IPR027417 P-loop_NTPase
IPR000629 RNA-helicase_DEAD-box_CS
IPR014014 RNA_helicase_DEAD_Q_motif

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00270 DEAD, 1 hit
PF00271 Helicase_C, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00487 DEXDc, 1 hit
SM00490 HELICc, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF52540 SSF52540, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00039 DEAD_ATP_HELICASE, 1 hit
PS51192 HELICASE_ATP_BIND_1, 1 hit
PS51194 HELICASE_CTER, 1 hit
PS51195 Q_MOTIF, 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_length">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>Sequences (2+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">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 2 <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.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative splicing. AlignAdd to basket

This entry has 2 described isoforms and 4 potential isoforms that are computationally mapped.Show allAlign All

Isoform 1 (identifier: Q9BUQ8-1) [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
MAGELADKKD RDASPSKEER KRSRTPDRER DRDRDRKSSP SKDRKRHRSR
60 70 80 90 100
DRRRGGSRSR SRSRSKSAER ERRHKERERD KERDRNKKDR DRDKDGHRRD
110 120 130 140 150
KDRKRSSLSP GRGKDFKSRK DRDSKKDEED EHGDKKPKAQ PLSLEELLAK
160 170 180 190 200
KKAEEEAEAK PKFLSKAERE AEALKRRQQE VEERQRMLEE ERKKRKQFQD
210 220 230 240 250
LGRKMLEDPQ ERERRERRER MERETNGNED EEGRQKIREE KDKSKELHAI
260 270 280 290 300
KERYLGGIKK RRRTRHLNDR KFVFEWDASE DTSIDYNPLY KERHQVQLLG
310 320 330 340 350
RGFIAGIDLK QQKREQSRFY GDLMEKRRTL EEKEQEEARL RKLRKKEAKQ
360 370 380 390 400
RWDDRHWSQK KLDEMTDRDW RIFREDYSIT TKGGKIPNPI RSWKDSSLPP
410 420 430 440 450
HILEVIDKCG YKEPTPIQRQ AIPIGLQNRD IIGVAETGSG KTAAFLIPLL
460 470 480 490 500
VWITTLPKID RIEESDQGPY AIILAPTREL AQQIEEETIK FGKPLGIRTV
510 520 530 540 550
AVIGGISRED QGFRLRMGCE IVIATPGRLI DVLENRYLVL SRCTYVVLDE
560 570 580 590 600
ADRMIDMGFE PDVQKILEHM PVSNQKPDTD EAEDPEKMLA NFESGKHKYR
610 620 630 640 650
QTVMFTATMP PAVERLARSY LRRPAVVYIG SAGKPHERVE QKVFLMSESE
660 670 680 690 700
KRKKLLAILE QGFDPPIIIF VNQKKGCDVL AKSLEKMGYN ACTLHGGKGQ
710 720 730 740 750
EQREFALSNL KAGAKDILVA TDVAGRGIDI QDVSMVVNYD MAKNIEDYIH
760 770 780 790 800
RIGRTGRAGK SGVAITFLTK EDSAVFYELK QAILESPVSS CPPELANHPD
810 820
AQHKPGTILT KKRREETIFA
Length:820
Mass (Da):95,583
Last modified:October 23, 2007 - v3
<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:i01DD5BCF8BFBA2DB
GO
Isoform 2 (identifier: Q9BUQ8-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     107-108: SL → RH
     109-820: Missing.

Note: No experimental confirmation available.
Show »
Length:108
Mass (Da):13,401
Checksum:iE188544D668BD767
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 are 4 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
H0YI52H0YI52_HUMAN
Probable ATP-dependent RNA helicase...
DDX23
152Annotation 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>
F8VVA2F8VVA2_HUMAN
Probable ATP-dependent RNA helicase...
DDX23
182Annotation 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>
F8W1J5F8W1J5_HUMAN
Probable ATP-dependent RNA helicase...
DDX23
138Annotation 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>
H0YIL9H0YIL9_HUMAN
Probable ATP-dependent RNA helicase...
DDX23
259Annotation 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>

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 conflicti137P → L in AAB87902 (PubMed:9409622).Curated1
Sequence conflicti281D → E in AAB87902 (PubMed:9409622).Curated1
Sequence conflicti309L → F in AAB87902 (PubMed:9409622).Curated1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_056575107 – 108SL → RH in isoform 2. 1 Publication2
Alternative sequenceiVSP_056576109 – 820Missing in isoform 2. 1 PublicationAdd BLAST712

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
AF026402 mRNA Translation: AAB87902.1
AK294877 mRNA Translation: BAG57976.1
AK312379 mRNA Translation: BAG35297.1
AC117498 Genomic DNA No translation available.
CH471111 Genomic DNA Translation: EAW58011.1
BC002366 mRNA Translation: AAH02366.1

The Consensus CDS (CCDS) project

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CCDSi
CCDS8770.1 [Q9BUQ8-1]

NCBI Reference Sequences

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RefSeqi
NP_004809.2, NM_004818.2 [Q9BUQ8-1]

Genome annotation databases

Ensembl eukaryotic genome annotation project

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Ensembli
ENST00000308025; ENSP00000310723; ENSG00000174243 [Q9BUQ8-1]
ENST00000547135; ENSP00000446770; ENSG00000174243 [Q9BUQ8-2]

Database of genes from NCBI RefSeq genomes

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GeneIDi
9416

KEGG: Kyoto Encyclopedia of Genes and Genomes

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KEGGi
hsa:9416

UCSC genome browser

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UCSCi
uc001rsm.4 human [Q9BUQ8-1]

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
AF026402 mRNA Translation: AAB87902.1
AK294877 mRNA Translation: BAG57976.1
AK312379 mRNA Translation: BAG35297.1
AC117498 Genomic DNA No translation available.
CH471111 Genomic DNA Translation: EAW58011.1
BC002366 mRNA Translation: AAH02366.1
CCDSiCCDS8770.1 [Q9BUQ8-1]
RefSeqiNP_004809.2, NM_004818.2 [Q9BUQ8-1]

3D structure databases

Select the link destinations:

Protein Data Bank Europe

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PDBei

Protein Data Bank RCSB

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RCSB PDBi

Protein Data Bank Japan

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PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
3JCRelectron microscopy7.00F1-820[»]
4NHOX-ray2.00A338-820[»]
6AH0electron microscopy5.70X1-820[»]
6QW6electron microscopy2.925X1-820[»]
6QX9electron microscopy3.285X1-820[»]
SMRiQ9BUQ8
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

BioGridi114811, 117 interactors
CORUMiQ9BUQ8
DIPiDIP-34974N
IntActiQ9BUQ8, 57 interactors
MINTiQ9BUQ8
STRINGi9606.ENSP00000310723

PTM databases

iPTMnetiQ9BUQ8
PhosphoSitePlusiQ9BUQ8
SwissPalmiQ9BUQ8

Polymorphism and mutation databases

BioMutaiDDX23
DMDMi160385708

Proteomic databases

EPDiQ9BUQ8
jPOSTiQ9BUQ8
MassIVEiQ9BUQ8
MaxQBiQ9BUQ8
PaxDbiQ9BUQ8
PeptideAtlasiQ9BUQ8
PRIDEiQ9BUQ8
ProteomicsDBi4180
79121 [Q9BUQ8-1]

Protocols and materials databases

The DNASU plasmid repository

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DNASUi
9416

Genome annotation databases

EnsembliENST00000308025; ENSP00000310723; ENSG00000174243 [Q9BUQ8-1]
ENST00000547135; ENSP00000446770; ENSG00000174243 [Q9BUQ8-2]
GeneIDi9416
KEGGihsa:9416
UCSCiuc001rsm.4 human [Q9BUQ8-1]

Organism-specific databases

Comparative Toxicogenomics Database

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CTDi
9416
DisGeNETi9416

GeneCards: human genes, protein and diseases

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GeneCardsi
DDX23
HGNCiHGNC:17347 DDX23
HPAiHPA038680
HPA039037
MIMi612172 gene
neXtProtiNX_Q9BUQ8
OpenTargetsiENSG00000174243
PharmGKBiPA134934941

GenAtlas: human gene database

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GenAtlasi
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Phylogenomic databases

eggNOGiKOG0333 Eukaryota
ENOG410XNVG LUCA
GeneTreeiENSGT00940000155606
HOGENOMiHOG000268796
InParanoidiQ9BUQ8
KOiK12858
OMAiTEKKFNF
OrthoDBi820037at2759
PhylomeDBiQ9BUQ8
TreeFamiTF300527

Enzyme and pathway databases

ReactomeiR-HSA-72163 mRNA Splicing - Major Pathway
R-HSA-72165 mRNA Splicing - Minor Pathway

Miscellaneous databases

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

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ChiTaRSi
DDX23 human

The Gene Wiki collection of pages on human genes and proteins

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GeneWikii
DDX23

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

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GenomeRNAii
9416
PharosiQ9BUQ8

Protein Ontology

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PROi
PR:Q9BUQ8

The Stanford Online Universal Resource for Clones and ESTs

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SOURCEi
Search...

Gene expression databases

BgeeiENSG00000174243 Expressed in 223 organ(s), highest expression level in testis
ExpressionAtlasiQ9BUQ8 baseline and differential
GenevisibleiQ9BUQ8 HS

Family and domain databases

InterProiView protein in InterPro
IPR011545 DEAD/DEAH_box_helicase_dom
IPR014001 Helicase_ATP-bd
IPR001650 Helicase_C
IPR027417 P-loop_NTPase
IPR000629 RNA-helicase_DEAD-box_CS
IPR014014 RNA_helicase_DEAD_Q_motif
PfamiView protein in Pfam
PF00270 DEAD, 1 hit
PF00271 Helicase_C, 1 hit
SMARTiView protein in SMART
SM00487 DEXDc, 1 hit
SM00490 HELICc, 1 hit
SUPFAMiSSF52540 SSF52540, 1 hit
PROSITEiView protein in PROSITE
PS00039 DEAD_ATP_HELICASE, 1 hit
PS51192 HELICASE_ATP_BIND_1, 1 hit
PS51194 HELICASE_CTER, 1 hit
PS51195 Q_MOTIF, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

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ProtoNeti
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MobiDB: a database of protein disorder and mobility annotations

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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 nameiDDX23_HUMAN
<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: Q9BUQ8
Secondary accession number(s): B2R600, B4DH15, O43188
<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_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 7, 2005
Last sequence update: October 23, 2007
Last modified: October 16, 2019
This is version 177 of the entry and version 3 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 programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

<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

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families
  3. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  4. Human chromosome 12
    Human chromosome 12: entries, gene names and cross-references to MIM
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