DNAG_HALSA
ID DNAG_HALSA Reviewed; 406 AA.
AC Q9HP65;
DT 27-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT 27-JUN-2006, sequence version 2.
DT 03-AUG-2022, entry version 105.
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=VNG_1784C;
OS Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1)
OS (Halobacterium halobium).
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC Halobacteriaceae; Halobacterium.
OX NCBI_TaxID=64091;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700922 / JCM 11081 / NRC-1;
RX PubMed=11016950; DOI=10.1073/pnas.190337797;
RA Ng W.V., Kennedy S.P., Mahairas G.G., Berquist B., Pan M., Shukla H.D.,
RA Lasky S.R., Baliga N.S., Thorsson V., Sbrogna J., Swartzell S., Weir D.,
RA Hall J., Dahl T.A., Welti R., Goo Y.A., Leithauser B., Keller K., Cruz R.,
RA Danson M.J., Hough D.W., Maddocks D.G., Jablonski P.E., Krebs M.P.,
RA Angevine C.M., Dale H., Isenbarger T.A., Peck R.F., Pohlschroder M.,
RA Spudich J.L., Jung K.-H., Alam M., Freitas T., Hou S., Daniels C.J.,
RA Dennis P.P., Omer A.D., Ebhardt H., Lowe T.M., Liang P., Riley M., Hood L.,
RA DasSarma S.;
RT "Genome sequence of Halobacterium species NRC-1.";
RL Proc. Natl. Acad. Sci. U.S.A. 97:12176-12181(2000).
CC -!- FUNCTION: RNA polymerase that catalyzes the synthesis of short RNA
CC molecules used as primers for DNA polymerase during DNA replication.
CC {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.
CC {ECO:0000255|HAMAP-Rule:MF_00007}.
CC -!- SIMILARITY: Belongs to the archaeal DnaG primase family.
CC {ECO:0000255|HAMAP-Rule:MF_00007}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAG20005.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; AE004437; AAG20005.1; ALT_INIT; Genomic_DNA.
DR PIR; A84330; A84330.
DR RefSeq; WP_012289379.1; NC_002607.1.
DR AlphaFoldDB; Q9HP65; -.
DR SMR; Q9HP65; -.
DR STRING; 64091.VNG_1784C; -.
DR PaxDb; Q9HP65; -.
DR EnsemblBacteria; AAG20005; AAG20005; VNG_1784C.
DR GeneID; 5953102; -.
DR KEGG; hal:VNG_1784C; -.
DR PATRIC; fig|64091.14.peg.1360; -.
DR HOGENOM; CLU_034626_0_0_2; -.
DR InParanoid; Q9HP65; -.
DR OrthoDB; 23182at2157; -.
DR PhylomeDB; Q9HP65; -.
DR Proteomes; UP000000554; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0000428; C:DNA-directed RNA polymerase complex; IEA:UniProtKB-KW.
DR GO; GO:0000178; C:exosome (RNase complex); IEA:InterPro.
DR GO; GO:1990077; C:primosome complex; IEA:UniProtKB-KW.
DR GO; GO:0003896; F:DNA primase activity; IBA:GO_Central.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0008143; F:poly(A) binding; IEA:InterPro.
DR GO; GO:0006269; P:DNA replication, synthesis of RNA primer; IBA:GO_Central.
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; Magnesium; Metal-binding;
KW Nucleotidyltransferase; Primosome; Reference proteome; Transcription;
KW Transferase.
FT CHAIN 1..406
FT /note="DNA primase DnaG"
FT /id="PRO_0000240455"
FT DOMAIN 167..253
FT /note="Toprim"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
FT REGION 259..309
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 259..283
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 173
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 215
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 215
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
FT BINDING 217
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00007"
SQ SEQUENCE 406 AA; 42410 MW; 300990CE48232A8A CRC64;
MEDTAKYLIH ADFVVDGVVE RSDVVGAAFG QTEGLLGDDL AIPDLQDSAK LGRIDVSVDS
EGGQSFGDIT IASSLDRVET ATLAAALEAV ERIGPCRADV EVDRIEDVRA AKRREVVDRA
KELLATAFDE GAINADDILD EVRESVRVDD ITDYDGYPAG PNVDSSDAVV IVEGRADVVT
LLKYGIKNAV AVEGTNIPDA IAALSREKTA TAFLDGDRGG DMILRELGQV GSLDFVARAP
MGECVEDLSR RTVDSALRNK TPASAAAPIA TTQSETAATD GSATPAPTPE PAPDTAPSPD
SDGDDTEAAA PPTLAEHARA VADTETARLL DDALARIREV PAAEVVDAVA DADSVPAVVV
VDATITQRLL DVAAQRGVAS LIGADTDEFV KQPLATRVRT LDDART