ID A0A1H3TXA2_9BACI Unreviewed; 282 AA.
AC A0A1H3TXA2;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 18.
DE RecName: Full=Non-homologous end joining protein Ku {ECO:0000256|HAMAP-Rule:MF_01875};
GN Name=ku {ECO:0000256|HAMAP-Rule:MF_01875};
GN ORFNames=SAMN05421736_11663 {ECO:0000313|EMBL:SDZ53879.1};
OS Evansella caseinilytica.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Evansella.
OX NCBI_TaxID=1503961 {ECO:0000313|EMBL:SDZ53879.1, ECO:0000313|Proteomes:UP000198935};
RN [1] {ECO:0000313|Proteomes:UP000198935}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SP {ECO:0000313|Proteomes:UP000198935};
RA Varghese N., Submissions S.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: With LigD forms a non-homologous end joining (NHEJ) DNA
CC repair enzyme, which repairs dsDNA breaks with reduced fidelity. Binds
CC linear dsDNA with 5'- and 3'- overhangs but not closed circular dsDNA
CC nor ssDNA. Recruits and stimulates the ligase activity of LigD.
CC {ECO:0000256|HAMAP-Rule:MF_01875}.
CC -!- SUBUNIT: Homodimer. Interacts with LigD. {ECO:0000256|HAMAP-
CC Rule:MF_01875}.
CC -!- SIMILARITY: Belongs to the prokaryotic Ku family. {ECO:0000256|HAMAP-
CC Rule:MF_01875}.
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DR EMBL; FNPI01000016; SDZ53879.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H3TXA2; -.
DR STRING; 1503961.SAMN05421736_11663; -.
DR OrthoDB; 9795084at2; -.
DR Proteomes; UP000198935; Unassembled WGS sequence.
DR GO; GO:0003690; F:double-stranded DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006310; P:DNA recombination; IEA:UniProtKB-KW.
DR GO; GO:0006303; P:double-strand break repair via nonhomologous end joining; IEA:UniProtKB-UniRule.
DR CDD; cd00789; KU_like; 1.
DR Gene3D; 2.40.290.10; -; 1.
DR HAMAP; MF_01875; Prokaryotic_Ku; 1.
DR InterPro; IPR006164; Ku70/Ku80_beta-barrel_dom.
DR InterPro; IPR009187; Prok_Ku.
DR InterPro; IPR016194; SPOC-like_C_dom_sf.
DR NCBIfam; TIGR02772; Ku_bact; 1.
DR PANTHER; PTHR41251; NON-HOMOLOGOUS END JOINING PROTEIN KU; 1.
DR PANTHER; PTHR41251:SF1; NON-HOMOLOGOUS END JOINING PROTEIN KU; 1.
DR Pfam; PF02735; Ku; 1.
DR PIRSF; PIRSF006493; Prok_Ku; 1.
DR SMART; SM00559; Ku78; 1.
DR SUPFAM; SSF100939; SPOC domain-like; 1.
PE 3: Inferred from homology;
KW DNA damage {ECO:0000256|HAMAP-Rule:MF_01875};
KW DNA recombination {ECO:0000256|HAMAP-Rule:MF_01875};
KW DNA repair {ECO:0000256|HAMAP-Rule:MF_01875};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_01875}; Reference proteome {ECO:0000313|Proteomes:UP000198935}.
FT DOMAIN 52..181
FT /note="Ku"
FT /evidence="ECO:0000259|SMART:SM00559"
FT REGION 250..282
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 257..272
FT /note="Basic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 282 AA; 32303 MW; 103BBB27FB08A290 CRC64;
MHTIWKGTIS FGLVNIPIKL HAATEDKDVK LRNLHKECHA PIKYTRTCSE CGKEVTNEDI
VKAYEYTEGK YVVLDDDDLQ KLKKEQEDKA VEIIDFVMLK EIDPIYFDRT YYISPNEGGS
KAYALLRRSL EDTEKIGLAK ITIRSKENLA AVRVYKNTLV METLHFPDEV RDIKNVPNVP
DETKVQEKEL ATAKTLIEHL TADFDPEKYT DDYRIELLEL IRHKVDEDEG VTKQEQTNVI
DLMEALEKSI EKAKPKKTTK KPAKPKAGTK KAAAKKPVKE AK
//
