ID A0A1V6LSD1_9FLAO Unreviewed; 372 AA.
AC A0A1V6LSD1;
DT 07-JUN-2017, integrated into UniProtKB/TrEMBL.
DT 07-JUN-2017, sequence version 1.
DT 24-JAN-2024, entry version 16.
DE RecName: Full=Beta sliding clamp {ECO:0000256|PIRNR:PIRNR000804};
GN ORFNames=BUL40_08175 {ECO:0000313|EMBL:OQD43058.1};
OS Croceivirga radicis.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Croceivirga.
OX NCBI_TaxID=1929488 {ECO:0000313|EMBL:OQD43058.1, ECO:0000313|Proteomes:UP000191680};
RN [1] {ECO:0000313|EMBL:OQD43058.1, ECO:0000313|Proteomes:UP000191680}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HSG9 {ECO:0000313|EMBL:OQD43058.1,
RC ECO:0000313|Proteomes:UP000191680};
RA Song W.-J., Kurnit D.M.;
RL Submitted (DEC-2016) 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}.
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:OQD43058.1}.
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DR EMBL; MTBC01000004; OQD43058.1; -; Genomic_DNA.
DR RefSeq; WP_010517307.1; NZ_MTBC01000004.1.
DR AlphaFoldDB; A0A1V6LSD1; -.
DR OrthoDB; 8421503at2; -.
DR Proteomes; UP000191680; 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:UP000191680};
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 131..242
FT /note="DNA polymerase III beta sliding clamp central"
FT /evidence="ECO:0000259|Pfam:PF02767"
FT DOMAIN 246..367
FT /note="DNA polymerase III beta sliding clamp C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02768"
SQ SEQUENCE 372 AA; 40836 MW; 91D56C5270DBCE92 CRC64;
MKFIVSSTYL LKQLQVLGGV INNSNTLPIL DNFLFDLKQN SLTVSASDLE TTMSSVIEVD
SDSEGLIALP AKLLLDTLKT FPEQPLTFVV EDNNTVEISS NHGKYALAYA DGAEFPKAIE
LTEPSSTTIL GDVLATAINK TIFAAGNDDL RPVMSGVFFQ FSPESLTFVS TDAHKLVKYQ
REDISASEVA EFIMPKKPLN LLKGILAGSE SEVKIEYNES NAKFTFDNSE LICRLIDGKY
PNYEAVIPKE NPNVLSISRS QFLSSVKRVS IFSNKTTHQI RLKVAGAELN ISAEDVDYSN
KAEERLSCAY QGDDMQIGFN SRFLVEMLNN LSSDDVTLEM SLPNRAGILT PADGLDEGEK
VTMLVMPVML NG
//