ID F7QIB7_9BRAD Unreviewed; 372 AA.
AC F7QIB7;
DT 21-SEP-2011, integrated into UniProtKB/TrEMBL.
DT 21-SEP-2011, sequence version 1.
DT 27-MAR-2024, entry version 54.
DE RecName: Full=Beta sliding clamp {ECO:0000256|ARBA:ARBA00021035, ECO:0000256|PIRNR:PIRNR000804};
GN ORFNames=CSIRO_1169 {ECO:0000313|EMBL:EGP09008.1};
OS Bradyrhizobiaceae bacterium SG-6C.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae.
OX NCBI_TaxID=709797 {ECO:0000313|EMBL:EGP09008.1, ECO:0000313|Proteomes:UP000003148};
RN [1] {ECO:0000313|EMBL:EGP09008.1, ECO:0000313|Proteomes:UP000003148}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SG-6C {ECO:0000313|EMBL:EGP09008.1,
RC ECO:0000313|Proteomes:UP000003148};
RX PubMed=21742875; DOI=10.1128/JB.05647-11;
RA Pearce S.L., Pandey R., Dorrian S.J., Russell R.J., Oakeshott J.G.,
RA Pandey G.;
RT "Genome Sequence of the Newly Isolated Chemolithoautotrophic
RT Bradyrhizobiaceae Strain SG-6C.";
RL J. Bacteriol. 193:5057-5057(2011).
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}.
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:EGP09008.1}.
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DR EMBL; AFOF01000015; EGP09008.1; -; Genomic_DNA.
DR AlphaFoldDB; F7QIB7; -.
DR STRING; 709797.CSIRO_1169; -.
DR eggNOG; COG0592; Bacteria.
DR HOGENOM; CLU_038149_4_2_5; -.
DR Proteomes; UP000003148; 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 Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR000804}.
FT DOMAIN 1..120
FT /note="DNA polymerase III beta sliding clamp N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00712"
FT DOMAIN 131..249
FT /note="DNA polymerase III beta sliding clamp central"
FT /evidence="ECO:0000259|Pfam:PF02767"
FT DOMAIN 252..371
FT /note="DNA polymerase III beta sliding clamp C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02768"
SQ SEQUENCE 372 AA; 40422 MW; B0E568198EF2C1DD CRC64;
MKVTVERAQL LKSLSHVHRV VERRNTIPIL GNVLIRADKS RLSLKATDLD LEVTETLAAE
TATGGSTTVP AHMFYDIVRK LPDGSQIVLE GDGDRSVLAI RAGRSRFTLQ TLPESDFPDL
AAGDMTHAFT LTAADMKRLI DRTQFAISTE ETRYYLNGIY LHAAGAAKAA TLRAVATDGH
RLAQVDLPLP KSAEGMPGVI VPRKTVGEVQ RLIEDAEAEL KIELSQGKIR FTLGDVVLTS
KLIDGTFPDY GRVIPQNNDK ELIVDKKDFE AAVDRVSTIS SERGRAVKLA LSAGKLVLSV
TNPDSGSATE ELEVEYAADP LDIGFNSRYL LDIAAQIEGE VAVLRLADPG SPTLVQDKDH
KGALYVLMPM RV
//
