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Entry version 96 (07 Oct 2020)
Sequence version 1 (16 Aug 2004)
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Protein

ATP-dependent DNA helicase II subunit 1

Gene

KU70

Organism
Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica)
Status
Reviewed-Annotation score:

Annotation score:4 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

Single-stranded DNA-dependent ATP-dependent helicase. Involved in non-homologous end joining (NHEJ) DNA double strand break repair. DNA-binding is sequence-independent but has a high affinity to nicks in double-stranded DNA and to the ends of duplex DNA. Binds to naturally occurring chromosomal ends, and therefore provides chromosomal end protection. Required also for telomere recombination to repair telomeric ends in the absence of telomerase. KU70, of the KU70/KU80 heterodimer, binds to the stem loop of TLC1, the RNA component of telomerase. Involved in telomere maintenance. Interacts with telomeric repeats and subtelomeric sequences thereby controlling telomere length and protecting against subtelomeric rearrangement. Maintains telomeric chromatin, which is involved in silencing the expression of genes located at the telomere. Required for mating-type switching (By similarity).By similarity

<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

<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 functionDNA-binding, Helicase, Hydrolase
Biological processDNA damage, DNA recombination, DNA repair
LigandATP-binding, Nucleotide-binding

<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:
ATP-dependent DNA helicase II subunit 1 (EC:3.6.4.12)
Alternative name(s):
ATP-dependent DNA helicase II subunit Ku70
<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:KU70
Ordered Locus Names:KLLA0C06226g
<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>OrganismiKluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica)
<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 identifieri284590 [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 lineageiEukaryotaFungiDikaryaAscomycotaSaccharomycotinaSaccharomycetesSaccharomycetalesSaccharomycetaceaeKluyveromyces
<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
  • UP000000598 <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 C

<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 Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Chromosome, Nucleus, Telomere

<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_00002783441 – 592ATP-dependent DNA helicase II subunit 1Add BLAST592

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Heterodimer of Ku70 and Ku80.

By similarity

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
28985.XP_452475.1

<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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">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>Domaini280 – 485KuAdd BLAST206

<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 ku70 family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG2327, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_024202_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q6CUB4

KEGG Orthology (KO)

More...
KOi
K10884

Identification of Orthologs from Complete Genome Data

More...
OMAi
PNDMMGI

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.40.290.10, 1 hit
3.40.50.410, 1 hit
4.10.970.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR006165, Ku70
IPR006164, Ku70/Ku80_beta-barrel_dom
IPR027388, Ku70_bridge/pillars_dom_sf
IPR005160, Ku_C
IPR005161, Ku_N
IPR016194, SPOC-like_C_dom_sf
IPR036465, vWFA_dom_sf

The PANTHER Classification System

More...
PANTHERi
PTHR12604:SF2, PTHR12604:SF2, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02735, Ku, 1 hit
PF03730, Ku_C, 1 hit
PF03731, Ku_N, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF003033, Ku70, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00559, Ku78, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF100939, SSF100939, 1 hit
SSF53300, SSF53300, 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.

Q6CUB4-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSFEQPDFLK SQLTQTRDDD KESDHKKWRR YEAHDGIVFC IQLTPTMYLS
60 70 80 90 100
NPDLGGKIQL LEILDSLNDL MSQLVVVMPS TAVGCYIYNC SHPNAEDNVY
110 120 130 140 150
ELIPLRDVNY KNMKRVSDLL EDIEQDRILL KDEIPIADPN NPIELSPVLI
160 170 180 190 200
KVRETFLQPI EGQKQLTNKK IFFFTDDDKP AEFLNVDSRS RLRKVVDDLY
210 220 230 240 250
DYYINFVTFF IGSEDKPFDD SMYADILKWG SKINEAQSWL SSHGPSTNPI
260 270 280 290 300
NASYIKSKVK RTKEIKRIKF RCPLMLDERA DLVVSVNGYT IVSHEIPGSK
310 320 330 340 350
YKLVYANGSV RREAYSHREY LDAETGEAVD NSQLSKVYTF GDEIIELTED
360 370 380 390 400
ENLKIQSGYS EHESFLKLIG FRSTEQCLHY YDNIDVPAFV VPNEEDYAGS
410 420 430 440 450
IKTLASLYRT MLFKKKSAMV WGKLRPNSPP SMFVLTPSSK KDYNQGFYLY
460 470 480 490 500
KVPFMEEVRK LPDFLNHSAL IESDDYKVMS KVTETLINFF NLKNGYRPSD
510 520 530 540 550
FHNPALQKHF KILREYLLQI EVDKSKPEDE GDETLQKVKQ IYARIASSAK
560 570 580 590
SDDVKQQRLV KYLKLWNSFY NRLSNLEVDT KPTKNKKAKL NL
Length:592
Mass (Da):68,666
Last modified:August 16, 2004 - 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:i8342375A40641E26
GO

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
CR382123 Genomic DNA Translation: CAH01326.1

NCBI Reference Sequences

More...
RefSeqi
XP_452475.1, XM_452475.1

Genome annotation databases

Ensembl fungal genome annotation project

More...
EnsemblFungii
CAH01326; CAH01326; KLLA0_C06226g

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
2892291

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
kla:KLLA0_C06226g

<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
CR382123 Genomic DNA Translation: CAH01326.1
RefSeqiXP_452475.1, XM_452475.1

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

STRINGi28985.XP_452475.1

Genome annotation databases

EnsemblFungiiCAH01326; CAH01326; KLLA0_C06226g
GeneIDi2892291
KEGGikla:KLLA0_C06226g

Phylogenomic databases

eggNOGiKOG2327, Eukaryota
HOGENOMiCLU_024202_0_0_1
InParanoidiQ6CUB4
KOiK10884
OMAiPNDMMGI

Family and domain databases

Gene3Di2.40.290.10, 1 hit
3.40.50.410, 1 hit
4.10.970.10, 1 hit
InterProiView protein in InterPro
IPR006165, Ku70
IPR006164, Ku70/Ku80_beta-barrel_dom
IPR027388, Ku70_bridge/pillars_dom_sf
IPR005160, Ku_C
IPR005161, Ku_N
IPR016194, SPOC-like_C_dom_sf
IPR036465, vWFA_dom_sf
PANTHERiPTHR12604:SF2, PTHR12604:SF2, 1 hit
PfamiView protein in Pfam
PF02735, Ku, 1 hit
PF03730, Ku_C, 1 hit
PF03731, Ku_N, 1 hit
PIRSFiPIRSF003033, Ku70, 1 hit
SMARTiView protein in SMART
SM00559, Ku78, 1 hit
SUPFAMiSSF100939, SSF100939, 1 hit
SSF53300, SSF53300, 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 nameiKU70_KLULA
<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: Q6CUB4
<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 20, 2007
Last sequence update: August 16, 2004
Last modified: October 7, 2020
This is version 96 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 programFungal 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. SIMILARITY comments
    Index of protein domains and families
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