ID A0A3A9ZSA3_9ACTN Unreviewed; 631 AA.
AC A0A3A9ZSA3;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 24-JAN-2024, entry version 19.
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=D7223_05125 {ECO:0000313|EMBL:RKN51099.1};
OS Micromonospora endolithica.
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Micromonospora.
OX NCBI_TaxID=230091 {ECO:0000313|EMBL:RKN51099.1, ECO:0000313|Proteomes:UP000281726};
RN [1] {ECO:0000313|EMBL:RKN51099.1, ECO:0000313|Proteomes:UP000281726}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 12677 {ECO:0000313|EMBL:RKN51099.1,
RC ECO:0000313|Proteomes:UP000281726};
RX PubMed=15046305; DOI=10.1078/072320204322881781;
RA Hirsch P., Mevs U., Kroppenstedt R.M., Schumann P., Stackebrandt E.;
RT "Cryptoendolithic actinomycetes from antarctic sandstone rock samples:
RT Micromonospora endolithica sp. nov. and two isolates related to
RT Micromonospora coerulea Jensen 1932.";
RL Syst. Appl. Microbiol. 27:166-174(2004).
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:RKN51099.1}.
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DR EMBL; RBAK01000001; RKN51099.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3A9ZSA3; -.
DR OrthoDB; 9803773at2; -.
DR Proteomes; UP000281726; 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; IPR037068; DNA_primase_core_N_sf.
DR InterPro; IPR019475; DNA_primase_DnaB-bd.
DR InterPro; IPR006295; DNA_primase_DnaG.
DR InterPro; IPR013173; DNA_primase_DnaG_DnaB-bd_dom.
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; PF08278; DnaG_DnaB_bind; 1.
DR Pfam; PF08275; DNAG_N; 1.
DR Pfam; PF13662; Toprim_4; 1.
DR Pfam; PF01807; zf-CHC2; 1.
DR PIRSF; PIRSF002811; DnaG; 1.
DR SMART; SM00766; DnaG_DnaB_bind; 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:UP000281726};
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 273..359
FT /note="Toprim"
FT /evidence="ECO:0000259|PROSITE:PS50880"
FT ZN_FING 49..73
FT /note="CHC2-type"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00974,
FT ECO:0000256|PIRSR:PIRSR002811-1"
FT REGION 453..478
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 631 AA; 68534 MW; 43158750456A0BE6 CRC64;
MYAEGVATMA GRIRDEDIAL VRERTSIAEV ISDTVTLKSA GGGNLKGLCP FHDEKSPSFN
VSPARNVWYC FGCGAGGDAI KFLMDADHLS FVESVERLAA RAGIQLRYLE SDHTTPRARP
QQGQRQRLVA AHAAAVEFYR AQLTTAGARP AREFLARRGF DRAAAERYGC GFAPDGWDLL
TKHLRQQGFS HDELVTAGLS RPARSGSLID RFRRRLLWPI RDLTGDVIGF GARKLFDDDD
GPKYLNTPET PIYKKSHVLY GVDQAKREIA KQGKVVVVEG YTDVMACHLA GVPTAVATCG
TAFGADHIGV LRRLLMDTDA VAGEIIFTFD GDAAGQKAAL RAFDDDQRFV GRTFIAVSPD
NMDPCDLRLA KGDLAVRDLV ARREPLVDFA LRHVIGRYDL DTVDGRVEAM RRAAPLVAKI
KDREKRPEYV RKLAGDLGME IEPVQRAVLA AGNAPPTGRG TDAPARPAPA EPAVDSPRSM
VEREALKLAL QEPVLAGPMF DAVEASEYRH PVHAAVREAV AAAGGAAAAS GGAVWIESVR
DACADLAAQA LVGELAVEPL RIDGEPDPRY VSVTMARLQW GSVTSRIRDL KSRIQRINPV
NNKDEYFAAF GELLSLEQHA RALREQAAGG L
//