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DNAG_THEAC
ID   DNAG_THEAC              Reviewed;         448 AA.
AC   Q9HLX7;
DT   27-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2001, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=DNA primase DnaG {ECO:0000255|HAMAP-Rule:MF_00007};
DE            EC=2.7.7.101 {ECO:0000255|HAMAP-Rule:MF_00007};
GN   Name=dnaG {ECO:0000255|HAMAP-Rule:MF_00007}; OrderedLocusNames=Ta0097;
OS   Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC
OS   15155 / AMRC-C165).
OC   Archaea; Candidatus Thermoplasmatota; Thermoplasmata; Thermoplasmatales;
OC   Thermoplasmataceae; Thermoplasma.
OX   NCBI_TaxID=273075;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165;
RX   PubMed=11029001; DOI=10.1038/35035069;
RA   Ruepp A., Graml W., Santos-Martinez M.-L., Koretke K.K., Volker C.,
RA   Mewes H.-W., Frishman D., Stocker S., Lupas A.N., Baumeister W.;
RT   "The genome sequence of the thermoacidophilic scavenger Thermoplasma
RT   acidophilum.";
RL   Nature 407:508-513(2000).
CC   -!- FUNCTION: RNA polymerase that catalyzes the synthesis of short RNA
CC       molecules used as primers for DNA polymerase during DNA replication.
CC       Also part of the exosome, which is a complex involved in RNA
CC       degradation. Acts as a poly(A)-binding protein that enhances the
CC       interaction between heteromeric, adenine-rich transcripts and the
CC       exosome. {ECO:0000255|HAMAP-Rule:MF_00007}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ssDNA + n NTP = ssDNA/pppN(pN)n-1 hybrid + (n-1) diphosphate.;
CC         EC=2.7.7.101; Evidence={ECO:0000255|HAMAP-Rule:MF_00007};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00007};
CC       Note=Binds two Mg(2+) per subunit. {ECO:0000255|HAMAP-Rule:MF_00007};
CC   -!- SUBUNIT: Forms a ternary complex with MCM helicase and DNA. Component
CC       of the archaeal exosome complex. {ECO:0000255|HAMAP-Rule:MF_00007}.
CC   -!- SIMILARITY: Belongs to the archaeal DnaG primase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00007}.
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DR   EMBL; AL445063; CAC11245.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9HLX7; -.
DR   SMR; Q9HLX7; -.
DR   STRING; 273075.Ta0097m; -.
DR   EnsemblBacteria; CAC11245; CAC11245; CAC11245.
DR   KEGG; tac:Ta0097; -.
DR   eggNOG; arCOG04281; Archaea.
DR   HOGENOM; CLU_034626_0_0_2; -.
DR   OMA; KYMIVAQ; -.
DR   Proteomes; UP000001024; Chromosome.
DR   GO; GO:0000428; C:DNA-directed RNA polymerase complex; IEA:UniProtKB-KW.
DR   GO; GO:0000178; C:exosome (RNase complex); IEA:UniProtKB-KW.
DR   GO; GO:1990077; C:primosome complex; IEA:UniProtKB-KW.
DR   GO; GO:0003896; F:DNA primase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0008143; F:poly(A) binding; IEA:InterPro.
DR   CDD; cd01029; TOPRIM_primases; 1.
DR   HAMAP; MF_00007; DNA_primase_DnaG_arc; 1.
DR   InterPro; IPR020607; Primase_DnaG_arc.
DR   InterPro; IPR034154; TOPRIM_DnaG/twinkle.
DR   InterPro; IPR006171; TOPRIM_domain.
DR   Pfam; PF13662; Toprim_4; 1.
DR   SMART; SM00493; TOPRIM; 1.
DR   PROSITE; PS50880; TOPRIM; 1.
PE   3: Inferred from homology;
KW   DNA replication; DNA-directed RNA polymerase; Exosome; Magnesium;
KW   Metal-binding; Nucleotidyltransferase; Primosome; Reference proteome;
KW   Transcription; Transferase.
FT   CHAIN           1..448
FT                   /note="DNA primase DnaG"
FT                   /id="PRO_0000240468"
FT   DOMAIN          186..260
FT                   /note="Toprim"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
FT   REGION          318..340
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         192
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
FT   BINDING         234
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
FT   BINDING         234
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
FT   BINDING         236
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
SQ   SEQUENCE   448 AA;  50045 MW;  7F388E0BC0BFBEBE CRC64;
     MVMLISLSFK KVIWMNVDPN LTKYMIKAKI YTDGVVEKPD VVGAIFGQTE GLLGDDLDLR
     DLQKSGKIGR IEVEIDSKKG RTEGYALIPS GLDQVETAIL AAALETIDRI GPCKAKVEIA
     NVEDVRVQKR QKIIERAKKI YQDMNSKGDD LSESLVKSVR EEVEKSEIIS YGEEKLPAGP
     AINDSDSIIV VEGRNDVLNL LKYGIKNTIA VQGTNIPETV KKLSKERTVT VFLDGDRGGD
     LILKEMLQVA EADFVARAPP GTEVEELTYK QIVKALRYKT PIDQYLSMHG MNDELKEYSQ
     RNNLVFGSQP NNNHEAKAEV IEEPPEQPPK NEEIREEQSQ QVTVQKEGFL DLLNPHEVSK
     RIEALAQLKM TEVYDSNGER IFSFPVSEAV ERISQDPRGN TIVTGGIISQ RLIDVSYNAG
     IKNIYGLKLG HITKKPVDIN VIAWERSL
 
 
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