ID I2F4S3_9BACT Unreviewed; 569 AA.
AC I2F4S3;
DT 11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2012, sequence version 1.
DT 24-JAN-2024, entry version 66.
DE RecName: Full=DNA primase {ECO:0000256|HAMAP-Rule:MF_00974, ECO:0000256|PIRNR:PIRNR002811};
DE EC=2.7.7.101 {ECO:0000256|HAMAP-Rule:MF_00974};
GN Name=dnaG {ECO:0000256|HAMAP-Rule:MF_00974};
GN ORFNames=Theba_1238 {ECO:0000313|EMBL:AFK06926.1};
OS Mesotoga prima MesG1.Ag.4.2.
OC Bacteria; Thermotogota; Thermotogae; Kosmotogales; Kosmotogaceae; Mesotoga.
OX NCBI_TaxID=660470 {ECO:0000313|EMBL:AFK06926.1, ECO:0000313|Proteomes:UP000002881};
RN [1] {ECO:0000313|EMBL:AFK06926.1, ECO:0000313|Proteomes:UP000002881}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=mesG1.Ag.4.2 {ECO:0000313|Proteomes:UP000002881};
RX PubMed=22798451;
RA Zhaxybayeva O., Swithers K.S., Foght J., Green A.G., Bruce D., Detter C.,
RA Han S., Teshima H., Han J., Woyke T., Pitluck S., Nolan M., Ivanova N.,
RA Pati A., Land M.L., Dlutek M., Doolittle W.F., Noll K.M., Nesbo C.L.;
RT "Genome Sequence of the Mesophilic Thermotogales Bacterium Mesotoga prima
RT MesG1.Ag.4.2 Reveals the Largest Thermotogales Genome To Date.";
RL Genome Biol. Evol. 4:700-708(2012).
CC -!- FUNCTION: RNA polymerase that catalyzes the synthesis of short RNA
CC molecules used as primers for DNA polymerase during DNA replication.
CC {ECO:0000256|HAMAP-Rule:MF_00974, ECO:0000256|PIRNR:PIRNR002811}.
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:0000256|HAMAP-Rule:MF_00974};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00974,
CC ECO:0000256|PIRNR:PIRNR002811, ECO:0000256|PIRSR:PIRSR002811-1};
CC Note=Binds 1 zinc ion per monomer. {ECO:0000256|HAMAP-Rule:MF_00974,
CC ECO:0000256|PIRNR:PIRNR002811, ECO:0000256|PIRSR:PIRSR002811-1};
CC -!- SUBUNIT: Monomer. Interacts with DnaB. {ECO:0000256|HAMAP-
CC Rule:MF_00974}.
CC -!- DOMAIN: Contains an N-terminal zinc-binding domain, a central core
CC domain that contains the primase activity, and a C-terminal DnaB-
CC binding domain. {ECO:0000256|HAMAP-Rule:MF_00974}.
CC -!- SIMILARITY: Belongs to the DnaG primase family. {ECO:0000256|HAMAP-
CC Rule:MF_00974, ECO:0000256|PIRNR:PIRNR002811}.
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DR EMBL; CP003532; AFK06926.1; -; Genomic_DNA.
DR RefSeq; WP_014730909.1; NC_017934.1.
DR AlphaFoldDB; I2F4S3; -.
DR STRING; 660470.Theba_1238; -.
DR KEGG; mpg:Theba_1238; -.
DR eggNOG; COG0358; Bacteria.
DR HOGENOM; CLU_013501_3_3_0; -.
DR Proteomes; UP000002881; Chromosome.
DR GO; GO:0000428; C:DNA-directed RNA polymerase complex; IEA:UniProtKB-KW.
DR GO; GO:1990077; C:primosome complex; IEA:UniProtKB-KW.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0003896; F:DNA primase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR CDD; cd03364; TOPRIM_DnaG_primases; 1.
DR Gene3D; 3.40.1360.10; -; 1.
DR Gene3D; 3.90.980.10; DNA primase, catalytic core, N-terminal domain; 1.
DR Gene3D; 3.90.580.10; Zinc finger, CHC2-type domain; 1.
DR HAMAP; MF_00974; DNA_primase_DnaG; 1.
DR InterPro; IPR037068; DNA_primase_core_N_sf.
DR InterPro; IPR006295; DNA_primase_DnaG.
DR InterPro; IPR036977; DNA_primase_Znf_CHC2.
DR InterPro; IPR030846; DnaG_bac.
DR InterPro; IPR013264; DNAG_N.
DR InterPro; IPR034151; TOPRIM_DnaG_bac.
DR InterPro; IPR006171; TOPRIM_domain.
DR InterPro; IPR002694; Znf_CHC2.
DR NCBIfam; TIGR01391; dnaG; 1.
DR PANTHER; PTHR30313; DNA PRIMASE; 1.
DR PANTHER; PTHR30313:SF2; DNA PRIMASE; 1.
DR Pfam; PF08275; DNAG_N; 1.
DR Pfam; PF13155; Toprim_2; 1.
DR Pfam; PF01807; zf-CHC2; 1.
DR PIRSF; PIRSF002811; DnaG; 1.
DR SMART; SM00493; TOPRIM; 1.
DR SMART; SM00400; ZnF_CHCC; 1.
DR SUPFAM; SSF56731; DNA primase core; 1.
DR SUPFAM; SSF57783; Zinc beta-ribbon; 1.
DR PROSITE; PS50880; TOPRIM; 1.
PE 3: Inferred from homology;
KW DNA replication {ECO:0000256|ARBA:ARBA00022705, ECO:0000256|HAMAP-
KW Rule:MF_00974};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_00974};
KW DNA-directed RNA polymerase {ECO:0000256|ARBA:ARBA00022478,
KW ECO:0000256|HAMAP-Rule:MF_00974};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00974};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695, ECO:0000256|HAMAP-
KW Rule:MF_00974};
KW Primosome {ECO:0000256|ARBA:ARBA00022515, ECO:0000256|HAMAP-Rule:MF_00974};
KW Reference proteome {ECO:0000313|Proteomes:UP000002881};
KW Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW Rule:MF_00974};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00974};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00974};
KW Zinc-finger {ECO:0000256|ARBA:ARBA00022771, ECO:0000256|HAMAP-
KW Rule:MF_00974}.
FT DOMAIN 249..330
FT /note="Toprim"
FT /evidence="ECO:0000259|PROSITE:PS50880"
FT ZN_FING 37..61
FT /note="CHC2-type"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00974,
FT ECO:0000256|PIRSR:PIRSR002811-1"
SQ SEQUENCE 569 AA; 64226 MW; 68E0C606342A27EB CRC64;
MFTKEELDEI KKSINIVDFI GRYVNLQKAG SSYRGLCPFH NDNDPSFYVH PQRGFFHCFG
CGEKGDVISF YQKIENLSFA EAVKRLADYA GIPIQVDTAE SEYDKFTTIM SRLAGIYNRE
LKEKRPETLA YLLEKRKISQ NTIDEFQLGY SPDERTFPQS LPSKLRTDEK TLLQLGILVR
RGATYSDRFA GRLMIPIDNE SGKVVGFGGR IMDAEKGPKY INSSESKYFQ KNRLLFNLSR
ARAAIKQLNY AVIAEGYFDV ISLFEAGITN SVGLLGTALT ERHLRILGNY TRNLLFFLDS
DEAGQTASLR SIDIAEKLDF GTAVVFSRDQ KDPADLFVAE GPKAIKETLA LAIPGPAFRV
EFFSRKLDLS IPLGRKHLIE HLKPYVISFR STGNLAAVQS TIAALAQKTG YSERELESAL
RGGMSKSSGG EMKSGLALKL KDHIRIYLQH PKLRATVVKQ IELMNESRDL KELLKGMKKG
LELEELLDLV EESIGRELIE LASTCIDFDT AQRVLQSTGL YANKRLVEEE MAEIDRRLPK
VKDEGARKAL LIRRIELRRM LERKMKGGD
//
