ID B1C5I3_9FIRM Unreviewed; 369 AA.
AC B1C5I3;
DT 29-APR-2008, integrated into UniProtKB/TrEMBL.
DT 29-APR-2008, sequence version 1.
DT 27-MAR-2024, entry version 78.
DE RecName: Full=Beta sliding clamp {ECO:0000256|ARBA:ARBA00021035, ECO:0000256|PIRNR:PIRNR000804};
GN Name=dnaN {ECO:0000313|EMBL:EDS73986.1};
GN ORFNames=CLOSPI_02412 {ECO:0000313|EMBL:EDS73986.1};
OS Thomasclavelia spiroformis DSM 1552.
OC Bacteria; Bacillota; Erysipelotrichia; Erysipelotrichales;
OC Coprobacillaceae; Thomasclavelia.
OX NCBI_TaxID=428126 {ECO:0000313|EMBL:EDS73986.1, ECO:0000313|Proteomes:UP000004910};
RN [1] {ECO:0000313|EMBL:EDS73986.1, ECO:0000313|Proteomes:UP000004910}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 1552 {ECO:0000313|EMBL:EDS73986.1,
RC ECO:0000313|Proteomes:UP000004910};
RA Sudarsanam P., Ley R., Guruge J., Turnbaugh P.J., Mahowald M., Liep D.,
RA Gordon J.;
RT "Draft genome sequence of Clostridium spiroforme (DSM 1552).";
RL Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:EDS73986.1, ECO:0000313|Proteomes:UP000004910}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 1552 {ECO:0000313|EMBL:EDS73986.1,
RC ECO:0000313|Proteomes:UP000004910};
RA Fulton L., Clifton S., Fulton B., Xu J., Minx P., Pepin K.H., Johnson M.,
RA Thiruvilangam P., Bhonagiri V., Nash W.E., Mardis E.R., Wilson R.K.;
RL Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
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|ARBA:ARBA00002266,
CC 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}.
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:EDS73986.1}.
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DR EMBL; ABIK02000015; EDS73986.1; -; Genomic_DNA.
DR RefSeq; WP_004610865.1; NZ_DS562854.1.
DR AlphaFoldDB; B1C5I3; -.
DR STRING; 428126.CLOSPI_02412; -.
DR GeneID; 67385695; -.
DR eggNOG; COG0592; Bacteria.
DR HOGENOM; CLU_038149_2_0_9; -.
DR OrthoDB; 8421503at2; -.
DR Proteomes; UP000004910; Unassembled WGS sequence.
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:UP000004910};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR000804}.
FT DOMAIN 1..122
FT /note="DNA polymerase III beta sliding clamp N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00712"
FT DOMAIN 133..244
FT /note="DNA polymerase III beta sliding clamp central"
FT /evidence="ECO:0000259|Pfam:PF02767"
FT DOMAIN 247..367
FT /note="DNA polymerase III beta sliding clamp C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02768"
SQ SEQUENCE 369 AA; 41967 MW; 5A2E24C749D5BADB CRC64;
MNFKIKRIKL LNALSKTTKA VSIRSPLPVL TGIKFDLHDD CLILTGSDSD ITIQTKIIKD
EDLTIYETGG VVLNSRYILD IVRKIDSEYI NIQILDGALT RISSPTSKFD LNGTDILDYP
RIDLSKNGIK IDINSLVLKN IISQTKFAAS DKEHKPILTG INFKATNNQL ECTATDSYRL
AKKVVSLNED VTFNITIPQK SLDEISKIIE KDEIIEMYVS DRKVLYVFDN NIIQTRLIDG
SFPDTNRLIP NSFDYELNID THYLLNAIDR VSLLTNEQNN IIKLDMDDNQ VLLSSYMQEI
GSVEEILDKA FYKGEPLSIS FSSKYVNEAI RAFNSSKIRI LFTGEMKPFI IKDYENEDVI
QLVLPVRTF
//
