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Database: UniProt
Entry: PRIS_METAC
LinkDB: PRIS_METAC
Original site: PRIS_METAC 
ID   PRIS_METAC              Reviewed;         414 AA.
AC   Q8TSZ5;
DT   29-AUG-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   13-SEP-2023, entry version 100.
DE   RecName: Full=DNA primase small subunit PriS {ECO:0000255|HAMAP-Rule:MF_00700};
DE            EC=2.7.7.- {ECO:0000255|HAMAP-Rule:MF_00700};
GN   Name=priS {ECO:0000255|HAMAP-Rule:MF_00700}; Synonyms=priA;
GN   OrderedLocusNames=MA_0648;
OS   Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 /
OS   C2A).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=188937;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35395 / DSM 2834 / JCM 12185 / C2A;
RX   PubMed=11932238; DOI=10.1101/gr.223902;
RA   Galagan J.E., Nusbaum C., Roy A., Endrizzi M.G., Macdonald P., FitzHugh W.,
RA   Calvo S., Engels R., Smirnov S., Atnoor D., Brown A., Allen N., Naylor J.,
RA   Stange-Thomann N., DeArellano K., Johnson R., Linton L., McEwan P.,
RA   McKernan K., Talamas J., Tirrell A., Ye W., Zimmer A., Barber R.D.,
RA   Cann I., Graham D.E., Grahame D.A., Guss A.M., Hedderich R.,
RA   Ingram-Smith C., Kuettner H.C., Krzycki J.A., Leigh J.A., Li W., Liu J.,
RA   Mukhopadhyay B., Reeve J.N., Smith K., Springer T.A., Umayam L.A.,
RA   White O., White R.H., de Macario E.C., Ferry J.G., Jarrell K.F., Jing H.,
RA   Macario A.J.L., Paulsen I.T., Pritchett M., Sowers K.R., Swanson R.V.,
RA   Zinder S.H., Lander E., Metcalf W.W., Birren B.;
RT   "The genome of Methanosarcina acetivorans reveals extensive metabolic and
RT   physiological diversity.";
RL   Genome Res. 12:532-542(2002).
CC   -!- FUNCTION: Catalytic subunit of DNA primase, an RNA polymerase that
CC       catalyzes the synthesis of short RNA molecules used as primers for DNA
CC       polymerase during DNA replication. The small subunit contains the
CC       primase catalytic core and has DNA synthesis activity on its own.
CC       Binding to the large subunit stabilizes and modulates the activity,
CC       increasing the rate of DNA synthesis while decreasing the length of the
CC       DNA fragments, and conferring RNA synthesis capability. The DNA
CC       polymerase activity may enable DNA primase to also catalyze primer
CC       extension after primer synthesis. May also play a role in DNA repair.
CC       {ECO:0000255|HAMAP-Rule:MF_00700}.
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00700};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00700};
CC   -!- SUBUNIT: Heterodimer of a small subunit (PriS) and a large subunit
CC       (PriL). {ECO:0000255|HAMAP-Rule:MF_00700}.
CC   -!- SIMILARITY: Belongs to the eukaryotic-type primase small subunit
CC       family. {ECO:0000255|HAMAP-Rule:MF_00700}.
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DR   EMBL; AE010299; AAM04090.1; -; Genomic_DNA.
DR   RefSeq; WP_011020695.1; NC_003552.1.
DR   AlphaFoldDB; Q8TSZ5; -.
DR   SMR; Q8TSZ5; -.
DR   STRING; 188937.MA_0648; -.
DR   EnsemblBacteria; AAM04090; AAM04090; MA_0648.
DR   GeneID; 1472540; -.
DR   KEGG; mac:MA_0648; -.
DR   HOGENOM; CLU_056123_1_0_2; -.
DR   InParanoid; Q8TSZ5; -.
DR   OMA; GYHVHVR; -.
DR   OrthoDB; 31125at2157; -.
DR   PhylomeDB; Q8TSZ5; -.
DR   Proteomes; UP000002487; 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:0003896; F:DNA primase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006269; P:DNA replication, synthesis of RNA primer; IBA:GO_Central.
DR   CDD; cd04860; AE_Prim_S; 1.
DR   Gene3D; 3.90.920.10; DNA primase, PRIM domain; 1.
DR   HAMAP; MF_00700; DNA_primase_sml_arc; 1.
DR   InterPro; IPR002755; DNA_primase_S.
DR   InterPro; IPR014052; DNA_primase_ssu_euk/arc.
DR   InterPro; IPR023639; DNA_primase_ssu_PriS.
DR   NCBIfam; TIGR00335; primase_sml; 1.
DR   PANTHER; PTHR10536; DNA PRIMASE SMALL SUBUNIT; 1.
DR   PANTHER; PTHR10536:SF0; DNA PRIMASE SMALL SUBUNIT; 1.
DR   Pfam; PF01896; DNA_primase_S; 1.
DR   SUPFAM; SSF56747; Prim-pol domain; 1.
PE   3: Inferred from homology;
KW   DNA replication; DNA-directed RNA polymerase; Magnesium; Manganese;
KW   Metal-binding; Nucleotidyltransferase; Primosome; Reference proteome;
KW   Transcription; Transferase.
FT   CHAIN           1..414
FT                   /note="DNA primase small subunit PriS"
FT                   /id="PRO_0000046741"
FT   ACT_SITE        98
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00700"
FT   ACT_SITE        100
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00700"
FT   ACT_SITE        312
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00700"
SQ   SEQUENCE   414 AA;  47615 MW;  51F865C42D890C8D CRC64;
     MDKRTTQFLK SRFQSYYKNA EIGLPDHLPN REWAFIFYDD MPEKMMHRHK SFGSPGEALD
     YLYGMAPAHV YNSTAYYEYP DAKKMNEKNW LGAELIFDLD ADHLPNAPRN YADMLELVKK
     EALKLLDFLL DDFGFSEQEI QLVFSGGRGY HFHIVSPKVL TLGSSERREI VNYVSGRDLE
     FKYFFREVAM DGDFGTGSKT FKGMKNVPMK CTLVGYDSGW GRRIALYLTD YMKRESEKKY
     KKDMFPELRR HEKVGDTTIK KLINIANSET GLKDILEKGR LDFDVRNFKE IAAYFMQESA
     EDFLHRFGAS VDEPVTADIK RLIRVPGSLH GGSGMLVKKL ALSELEEFDP LNDAVVFGER
     PVKITASKPF SVQLKGKDLR IEEGIQEVPE YAAVYLICRG VAEYGHRRNQ PDTV
//
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