ID K0NBV9_DESTT Unreviewed; 373 AA.
AC K0NBV9;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 27-MAR-2024, entry version 55.
DE RecName: Full=Beta sliding clamp {ECO:0000256|PIRNR:PIRNR000804};
GN Name=dnaN {ECO:0000313|EMBL:CCK78171.1};
GN OrderedLocusNames=TOL2_C00010 {ECO:0000313|EMBL:CCK78171.1};
OS Desulfobacula toluolica (strain DSM 7467 / Tol2).
OC Bacteria; Thermodesulfobacteriota; Desulfobacteria; Desulfobacterales;
OC Desulfobacteraceae; Desulfobacula.
OX NCBI_TaxID=651182 {ECO:0000313|EMBL:CCK78171.1, ECO:0000313|Proteomes:UP000007347};
RN [1] {ECO:0000313|EMBL:CCK78171.1, ECO:0000313|Proteomes:UP000007347}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 7467 / Tol2 {ECO:0000313|Proteomes:UP000007347};
RX PubMed=23088741; DOI=10.1111/j.1462-2920.2012.02885.x;
RA Wohlbrand L., Jacob J.H., Kube M., Mussmann M., Jarling R., Beck A.,
RA Amann R., Wilkes H., Reinhardt R., Rabus R.;
RT "Complete genome, catabolic sub-proteomes and key-metabolites of
RT Desulfobacula toluolica Tol2, a marine, aromatic compound-degrading,
RT sulfate-reducing bacterium.";
RL Environ. Microbiol. 15:1334-55(2013).
CC -!- FUNCTION: Confers DNA tethering and processivity to DNA polymerases and
CC other proteins. Acts as a clamp, forming a ring around DNA (a reaction
CC catalyzed by the clamp-loading complex) which diffuses in an ATP-
CC independent manner freely and bidirectionally along dsDNA. Initially
CC characterized for its ability to contact the catalytic subunit of DNA
CC polymerase III (Pol III), a complex, multichain enzyme responsible for
CC most of the replicative synthesis in bacteria; Pol III exhibits 3'-5'
CC exonuclease proofreading activity. The beta chain is required for
CC initiation of replication as well as for processivity of DNA
CC replication. {ECO:0000256|PIRNR:PIRNR000804}.
CC -!- SUBUNIT: Forms a ring-shaped head-to-tail homodimer around DNA.
CC {ECO:0000256|PIRNR:PIRNR000804}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|PIRNR:PIRNR000804}.
CC -!- SIMILARITY: Belongs to the beta sliding clamp family.
CC {ECO:0000256|ARBA:ARBA00010752, ECO:0000256|PIRNR:PIRNR000804}.
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DR EMBL; FO203503; CCK78171.1; -; Genomic_DNA.
DR RefSeq; WP_014955529.1; NC_018645.1.
DR AlphaFoldDB; K0NBV9; -.
DR STRING; 651182.TOL2_C00010; -.
DR KEGG; dto:TOL2_C00010; -.
DR HOGENOM; CLU_038149_4_0_7; -.
DR OrthoDB; 8421503at2; -.
DR Proteomes; UP000007347; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0009360; C:DNA polymerase III complex; IEA:InterPro.
DR GO; GO:0008408; F:3'-5' exonuclease activity; IEA:InterPro.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003887; F:DNA-directed DNA polymerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006260; P:DNA replication; IEA:UniProtKB-UniRule.
DR CDD; cd00140; beta_clamp; 1.
DR Gene3D; 3.70.10.10; -; 1.
DR Gene3D; 3.10.150.10; DNA Polymerase III, subunit A, domain 2; 1.
DR InterPro; IPR046938; DNA_clamp_sf.
DR InterPro; IPR001001; DNA_polIII_beta.
DR InterPro; IPR022635; DNA_polIII_beta_C.
DR InterPro; IPR022637; DNA_polIII_beta_cen.
DR InterPro; IPR022634; DNA_polIII_beta_N.
DR NCBIfam; TIGR00663; dnan; 1.
DR PANTHER; PTHR30478:SF0; BETA SLIDING CLAMP; 1.
DR PANTHER; PTHR30478; DNA POLYMERASE III SUBUNIT BETA; 1.
DR Pfam; PF00712; DNA_pol3_beta; 1.
DR Pfam; PF02767; DNA_pol3_beta_2; 1.
DR Pfam; PF02768; DNA_pol3_beta_3; 1.
DR PIRSF; PIRSF000804; DNA_pol_III_b; 1.
DR SMART; SM00480; POL3Bc; 1.
DR SUPFAM; SSF55979; DNA clamp; 3.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|PIRNR:PIRNR000804};
KW DNA replication {ECO:0000256|ARBA:ARBA00022705,
KW ECO:0000256|PIRNR:PIRNR000804};
KW DNA-directed DNA polymerase {ECO:0000256|ARBA:ARBA00022932,
KW ECO:0000256|PIRNR:PIRNR000804};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695,
KW ECO:0000256|PIRNR:PIRNR000804};
KW Reference proteome {ECO:0000313|Proteomes:UP000007347};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR000804}.
FT DOMAIN 1..117
FT /note="DNA polymerase III beta sliding clamp N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00712"
FT DOMAIN 129..249
FT /note="DNA polymerase III beta sliding clamp central"
FT /evidence="ECO:0000259|Pfam:PF02767"
FT DOMAIN 262..370
FT /note="DNA polymerase III beta sliding clamp C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02768"
SQ SEQUENCE 373 AA; 42700 MW; CEAB9A71CE354B2E CRC64;
MKFSFDKKEI VDVLSKIQGL TGRKTNLTIT SDILIKAMES GITITANDLE TVFLGTYKAE
VEKEGILSIN SKKFFEIIKE YPENKIFVNE IENRWVEIGE GDSIYHIVSS DYKNFPETPV
IENIEFIEID SKNLKKMVDV SGIVNYSGDE KRIYVMGSLI EKISTDSDEK LRIVSTDSKR
LHCCDTTFKG NLHLPDESVI VPKKGLSELN KFIDTGKDDI KVGIKDNYFI FQNKNESIMI
KLLEGEFPEY KPVLNYEDMI PIEMDRRMFS TLMKRVSILT SDDYKSVILN FKNNELVVTI
TNPEIGESKE RMMVSYSNEE IKSAFNPKYF IDALSIFEDS IIVVNIKDNK SPCIIKSIDD
DKLICVIMAM HIS
//
