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Database: UniProt
Entry: H3NKX2_9LACT
LinkDB: H3NKX2_9LACT
Original site: H3NKX2_9LACT 
ID   H3NKX2_9LACT            Unreviewed;       608 AA.
AC   H3NKX2;
DT   18-APR-2012, integrated into UniProtKB/TrEMBL.
DT   18-APR-2012, sequence version 1.
DT   24-JAN-2024, entry version 65.
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=HMPREF9708_01511 {ECO:0000313|EMBL:EHR36250.1};
OS   Facklamia languida CCUG 37842.
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Aerococcaceae; Facklamia.
OX   NCBI_TaxID=883113 {ECO:0000313|EMBL:EHR36250.1, ECO:0000313|Proteomes:UP000006190};
RN   [1] {ECO:0000313|EMBL:EHR36250.1, ECO:0000313|Proteomes:UP000006190}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCUG 37842 {ECO:0000313|EMBL:EHR36250.1,
RC   ECO:0000313|Proteomes:UP000006190};
RG   The Broad Institute Genome Sequencing Platform;
RA   Earl A., Ward D., Feldgarden M., Gevers D., Huys G., Young S.K., Zeng Q.,
RA   Gargeya S., Fitzgerald M., Haas B., Abouelleil A., Alvarado L.,
RA   Arachchi H.M., Berlin A., Chapman S.B., Gearin G., Goldberg J., Griggs A.,
RA   Gujja S., Hansen M., Heiman D., Howarth C., Larimer J., Lui A.,
RA   MacDonald P.J.P., McCowen C., Montmayeur A., Murphy C., Neiman D.,
RA   Pearson M., Priest M., Roberts A., Saif S., Shea T., Sisk P., Stolte C.,
RA   Sykes S., Wortman J., Nusbaum C., Birren B.;
RT   "The Genome Sequence of Facklamia languida CCUG 37842.";
RL   Submitted (JAN-2012) to the EMBL/GenBank/DDBJ databases.
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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EHR36250.1}.
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DR   EMBL; AGEG01000016; EHR36250.1; -; Genomic_DNA.
DR   RefSeq; WP_006309744.1; NZ_JH601133.1.
DR   AlphaFoldDB; H3NKX2; -.
DR   STRING; 883113.HMPREF9708_01511; -.
DR   PATRIC; fig|883113.3.peg.1512; -.
DR   eggNOG; COG0358; Bacteria.
DR   HOGENOM; CLU_013501_3_3_9; -.
DR   OrthoDB; 9803773at2; -.
DR   Proteomes; UP000006190; Unassembled WGS sequence.
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; IPR016136; DNA_helicase_N/primase_C.
DR   InterPro; IPR037068; DNA_primase_core_N_sf.
DR   InterPro; IPR019475; DNA_primase_DnaB-bd.
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; PF10410; DnaB_bind; 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   Coiled coil {ECO:0000256|SAM:Coils};
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:UP000006190};
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          262..342
FT                   /note="Toprim"
FT                   /evidence="ECO:0000259|PROSITE:PS50880"
FT   ZN_FING         38..62
FT                   /note="CHC2-type"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00974,
FT                   ECO:0000256|PIRSR:PIRSR002811-1"
FT   COILED          564..608
FT                   /evidence="ECO:0000256|SAM:Coils"
SQ   SEQUENCE   608 AA;  69523 MW;  C8839F7CD601E804 CRC64;
     MKIPNEVIDD LRQQVRIEEV VGQYVQLTKR GQNYVASCPF HEDRNPSFSI HSQKQIYKCF
     SCGRGGNVFG FIQEIDQVSF PEAVMKVAEF ADYALPNLPS SGADQELAHQ DRVLYQIHQK
     VAEFYHYYLT GTTNGQEALD YLLDRQVQAE TTDTFGLGYA PDQSNLVLAY LEGEDFSQED
     LIRSGIFYQS EGSSQLVDRF RGRIIFPLKS QSGKVIAFSG RIFKSNDQRS GKYVNSPETA
     IFHKGGLLYN LDLARSAIRK TNQALVCEGY MDVIALYQAG FENVVATMGT SLTQAHLAYL
     TKLAGEVVWV FDGDEPGREA SNRAFDLARQ FPRTQFKSIA VPQQKDPDEW LRTKGAASFR
     QLLDQAQTLF NFKKDYLKSQ YRLEDPKQKS EYIDQLLLLL NQKGSPIENQ LYLAELAKEF
     DLEEALLKER LVRLSDQAPS RMPARSDQPV VAPSPAQVTG LPIRSHKAYQ SEKLWLGQLM
     FQADAWQYIQ SLQELPVLYH EFSQAAFSQL ADYYYQGHAL PLTGIVGNIA DTQVNQVLTT
     VMWDYQPMAY DVQIMQDCQQ MIRQAFSEQE IKELKERLKK EMAQQNQDQV QDLIQRIMNL
     ERQLKVKK
//
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