ID F2NNF7_MARHT Unreviewed; 361 AA.
AC F2NNF7;
DT 31-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 31-MAY-2011, sequence version 1.
DT 27-MAR-2024, entry version 59.
DE RecName: Full=Beta sliding clamp {ECO:0000256|PIRNR:PIRNR000804};
GN OrderedLocusNames=Marky_0002 {ECO:0000313|EMBL:AEB10767.1};
OS Marinithermus hydrothermalis (strain DSM 14884 / JCM 11576 / T1).
OC Bacteria; Deinococcota; Deinococci; Thermales; Thermaceae; Marinithermus.
OX NCBI_TaxID=869210 {ECO:0000313|EMBL:AEB10767.1, ECO:0000313|Proteomes:UP000007030};
RN [1] {ECO:0000313|EMBL:AEB10767.1, ECO:0000313|Proteomes:UP000007030}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 14884 / JCM 11576 / T1 {ECO:0000313|Proteomes:UP000007030};
RX PubMed=22675595; DOI=10.4056/sigs.2435521;
RA Copeland A., Gu W., Yasawong M., Lapidus A., Lucas S., Deshpande S.,
RA Pagani I., Tapia R., Cheng J.F., Goodwin L.A., Pitluck S., Liolios K.,
RA Ivanova N., Mavromatis K., Mikhailova N., Pati A., Chen A., Palaniappan K.,
RA Land M., Pan C., Brambilla E.M., Rohde M., Tindall B.J., Sikorski J.,
RA Goker M., Detter J.C., Bristow J., Eisen J.A., Markowitz V., Hugenholtz P.,
RA Kyrpides N.C., Klenk H.P., Woyke T.;
RT "Complete genome sequence of the aerobic, heterotroph Marinithermus
RT hydrothermalis type strain (T1(T)) from a deep-sea hydrothermal vent
RT chimney.";
RL Stand. Genomic Sci. 6:21-30(2012).
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; CP002630; AEB10767.1; -; Genomic_DNA.
DR RefSeq; WP_013702822.1; NC_015387.1.
DR AlphaFoldDB; F2NNF7; -.
DR STRING; 869210.Marky_0002; -.
DR KEGG; mhd:Marky_0002; -.
DR eggNOG; COG0592; Bacteria.
DR HOGENOM; CLU_038149_4_2_0; -.
DR OrthoDB; 8421503at2; -.
DR Proteomes; UP000007030; 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; 3.10.150.10; DNA Polymerase III, subunit A, domain 2; 3.
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:UP000007030};
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..239
FT /note="DNA polymerase III beta sliding clamp central"
FT /evidence="ECO:0000259|Pfam:PF02767"
FT DOMAIN 242..360
FT /note="DNA polymerase III beta sliding clamp C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02768"
SQ SEQUENCE 361 AA; 39431 MW; DAFED366071C7355 CRC64;
MRVRIPKRTL AEAIGILERI IPNRSSNPVI TQLFLQGHSS GLTLRGTNGE VDLELTVTAE
TEGADAFLVP AHLFGQIVRG LPGELVELSA DNQELEVESG SFRTRLATAT PEGYPELTFD
APMEARLAAP ELARALAHVR YAASTEEYRA IFRGVQLEFH PGALRAVASD GFRLARYDLA
TRTEFVKKLV VPARSADEII RVLKDTEGEV AVGVTEGKLV LASEAFRMSV ALMEGEFPDY
ERVIPQQFVG EAVLSAEALR ESIKRVKVLA DKNNHRIDLF FQGDALEVVA EGDYGRGSER
LSVQREGEPQ LVLAYNAEYL GDALSPVEGQ VRIRLSGPTS PTVIEAVEDP GYLAVVVPLR
V
//
