ID A0A3Q0S2R8_AMPCI Unreviewed; 467 AA.
AC A0A3Q0S2R8;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 27-MAR-2024, entry version 20.
DE RecName: Full=DNA-directed DNA/RNA polymerase mu {ECO:0000256|PIRNR:PIRNR000817};
DE EC=2.7.7.7 {ECO:0000256|PIRNR:PIRNR000817};
OS Amphilophus citrinellus (Midas cichlid) (Cichlasoma citrinellum).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Cichlomorphae; Cichliformes; Cichlidae; New World cichlids;
OC Cichlasomatinae; Heroini; Amphilophus.
OX NCBI_TaxID=61819 {ECO:0000313|Ensembl:ENSACIP00000017067.1, ECO:0000313|Proteomes:UP000261340};
RN [1] {ECO:0000313|Ensembl:ENSACIP00000017067.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- FUNCTION: Gap-filling polymerase involved in repair of DNA double-
CC strand breaks by non-homologous end joining (NHEJ).
CC {ECO:0000256|PIRNR:PIRNR000817}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 2'-deoxyribonucleoside 5'-triphosphate + DNA(n) =
CC diphosphate + DNA(n+1); Xref=Rhea:RHEA:22508, Rhea:RHEA-COMP:17339,
CC Rhea:RHEA-COMP:17340, ChEBI:CHEBI:33019, ChEBI:CHEBI:61560,
CC ChEBI:CHEBI:173112; EC=2.7.7.7;
CC Evidence={ECO:0000256|PIRNR:PIRNR000817};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|PIRNR:PIRNR000817, ECO:0000256|PIRSR:PIRSR000817-1};
CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123,
CC ECO:0000256|PIRNR:PIRNR000817}.
CC -!- SIMILARITY: Belongs to the DNA polymerase type-X family.
CC {ECO:0000256|ARBA:ARBA00008323, ECO:0000256|PIRNR:PIRNR000817}.
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DR AlphaFoldDB; A0A3Q0S2R8; -.
DR Ensembl; ENSACIT00000017533.1; ENSACIP00000017067.1; ENSACIG00000013229.1.
DR GeneTree; ENSGT00940000158490; -.
DR Proteomes; UP000261340; Unplaced.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003887; F:DNA-directed DNA polymerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006281; P:DNA repair; IEA:InterPro.
DR CDD; cd00141; NT_POLXc; 1.
DR Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 1.
DR Gene3D; 3.30.460.10; Beta Polymerase, domain 2; 1.
DR Gene3D; 3.40.50.10190; BRCT domain; 1.
DR Gene3D; 1.10.150.110; DNA polymerase beta, N-terminal domain-like; 1.
DR Gene3D; 3.30.210.10; DNA polymerase, thumb domain; 1.
DR InterPro; IPR001357; BRCT_dom.
DR InterPro; IPR036420; BRCT_dom_sf.
DR InterPro; IPR002054; DNA-dir_DNA_pol_X.
DR InterPro; IPR027249; DNA/RNApol_mu.
DR InterPro; IPR019843; DNA_pol-X_BS.
DR InterPro; IPR010996; DNA_pol_b-like_N.
DR InterPro; IPR028207; DNA_pol_B_palm_palm.
DR InterPro; IPR018944; DNA_pol_lambd_fingers_domain.
DR InterPro; IPR027421; DNA_pol_lamdba_lyase_dom_sf.
DR InterPro; IPR037160; DNA_Pol_thumb_sf.
DR InterPro; IPR022312; DNA_pol_X.
DR InterPro; IPR043519; NT_sf.
DR InterPro; IPR029398; PolB_thumb.
DR InterPro; IPR001726; TdT/Mu.
DR PANTHER; PTHR11276; DNA POLYMERASE TYPE-X FAMILY MEMBER; 1.
DR PANTHER; PTHR11276:SF24; DNA-DIRECTED DNA_RNA POLYMERASE MU; 1.
DR Pfam; PF14792; DNA_pol_B_palm; 1.
DR Pfam; PF14791; DNA_pol_B_thumb; 1.
DR Pfam; PF10391; DNA_pol_lambd_f; 1.
DR Pfam; PF14716; HHH_8; 1.
DR PIRSF; PIRSF000817; DNA_NT; 2.
DR PIRSF; PIRSF501176; DNApol_mu; 2.
DR PRINTS; PR00869; DNAPOLX.
DR PRINTS; PR00871; DNAPOLXTDT.
DR SMART; SM00292; BRCT; 1.
DR SMART; SM00483; POLXc; 1.
DR SUPFAM; SSF52113; BRCT domain; 1.
DR SUPFAM; SSF47802; DNA polymerase beta, N-terminal domain-like; 1.
DR SUPFAM; SSF81301; Nucleotidyltransferase; 1.
DR SUPFAM; SSF81585; PsbU/PolX domain-like; 1.
DR PROSITE; PS50172; BRCT; 1.
DR PROSITE; PS00522; DNA_POLYMERASE_X; 1.
PE 3: Inferred from homology;
KW Magnesium {ECO:0000256|PIRNR:PIRNR000817, ECO:0000256|PIRSR:PIRSR000817-1};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR000817,
KW ECO:0000256|PIRSR:PIRSR000817-1};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695,
KW ECO:0000256|PIRNR:PIRNR000817};
KW Nucleus {ECO:0000256|ARBA:ARBA00023242, ECO:0000256|PIRNR:PIRNR000817};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR000817}.
FT DOMAIN 25..112
FT /note="BRCT"
FT /evidence="ECO:0000259|PROSITE:PS50172"
FT REGION 1..24
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 295
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000817-1"
FT BINDING 297
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000817-1"
FT BINDING 391
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000817-1"
SQ SEQUENCE 467 AA; 52340 MW; D408DE64D8D17000 CRC64;
MVPLKRRKIV PSDTGNTGTD HSEAEVPNKF PQVVLFLLER KMGASRRAFL SQLGRKKGFQ
VEELFSESVT HVISENNCSA EVRTWLESQG GGQSLGVHLL DISWYTESMR AGHPVVITDR
HKLQLNTYVM ELHFLDEDGR GVAFRRAAAV LKALPAQVTS MSQLRGLPCL GEHSLRVIKD
VLENGESSEV ESTKQSERFK ALKILTGIFG VGAKTADRWI REGIYNLQQL RDSGHALNQA
QKAGLEHYND LNQPVTKAEA NAIGEIVQKA VISVLPGSQI ALTGGFRRGK LTGHDVDFLI
THPEEGREVG LMSKVVSWLE SQGFLLYQKT TRNSYLESKD GPARPASNMD RFERCFSIFK
LTKGEEQGTT QPEKNGVQTM DNRLWRAVRV DLVVSPISQF AFAVLGWTGS KLFERELRRW
AGHEKDMSLS SHAVFDNKQN RYLRATSEEE IFAYLGLEYI PPSERNA
//
