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Database: UniProt
Entry: A0A239C5H2_9BURK
LinkDB: A0A239C5H2_9BURK
Original site: A0A239C5H2_9BURK 
ID   A0A239C5H2_9BURK        Unreviewed;       368 AA.
AC   A0A239C5H2;
DT   22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT   22-NOV-2017, sequence version 1.
DT   24-JAN-2024, entry version 14.
DE   RecName: Full=Beta sliding clamp {ECO:0000256|ARBA:ARBA00021035, ECO:0000256|PIRNR:PIRNR000804};
GN   ORFNames=SAMN06265795_101250 {ECO:0000313|EMBL:SNS14928.1};
OS   Noviherbaspirillum humi.
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC   Oxalobacteraceae; Noviherbaspirillum.
OX   NCBI_TaxID=1688639 {ECO:0000313|EMBL:SNS14928.1, ECO:0000313|Proteomes:UP000198284};
RN   [1] {ECO:0000313|EMBL:SNS14928.1, ECO:0000313|Proteomes:UP000198284}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=U15 {ECO:0000313|EMBL:SNS14928.1,
RC   ECO:0000313|Proteomes:UP000198284};
RA   Kim H.J., Triplett B.A.;
RL   Submitted (JUN-2017) 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|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; FZOT01000001; SNS14928.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A239C5H2; -.
DR   OrthoDB; 8421503at2; -.
DR   Proteomes; UP000198284; 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-binding {ECO:0000256|ARBA:ARBA00023125};
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:UP000198284};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR000804}.
FT   DOMAIN          8..120
FT                   /note="DNA polymerase III beta sliding clamp N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00712"
FT   DOMAIN          131..245
FT                   /note="DNA polymerase III beta sliding clamp central"
FT                   /evidence="ECO:0000259|Pfam:PF02767"
FT   DOMAIN          248..367
FT                   /note="DNA polymerase III beta sliding clamp C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02768"
SQ   SEQUENCE   368 AA;  40976 MW;  030A2EB20376833E CRC64;
     MQLVKSPRDA LLRPLQIVSG IVERRHTLPI LANILIRKEG EKVSFLSTDI EVQITTHADV
     GTAGESVATT VAARKLLDIL RALPDFGDVT LSLANKRMTV QSGKSRFALQ TLAAEEFPTV
     AQAEHFNASV TLPQKMLKHL FNMVHFSMAQ QDIRYYLNGL LLVVDGKNVI AVATDGHRLA
     FCQVQTEEEF PRQEVIIPRK TILELQRLLD DADEPVRLDI ANNQVKLTFA DIELISKLVE
     GKFPDYTRVI PKGYKNNFTI DREQLLRSLQ RAAIMTSDKF KGVRCIISPG SLKISSTNAD
     QEEAVEEIEL DYGGDSIDIG FNVGYLLDVL NNLKCESVNI ALGDANSSAL ITVPENPDFK
     YVVMPMRI
//
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