ID Q6NDV2_RHOPA Unreviewed; 372 AA. AC Q6NDV2; DT 05-JUL-2004, integrated into UniProtKB/TrEMBL. DT 05-JUL-2004, sequence version 1. DT 27-MAR-2024, entry version 116. DE RecName: Full=Beta sliding clamp {ECO:0000256|ARBA:ARBA00021035, ECO:0000256|PIRNR:PIRNR000804}; GN Name=dnaN {ECO:0000313|EMBL:CAE25446.1}; GN OrderedLocusNames=RPA0002 {ECO:0000313|EMBL:CAE25446.1}; OS Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009). OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales; OC Nitrobacteraceae; Rhodopseudomonas. OX NCBI_TaxID=258594 {ECO:0000313|EMBL:CAE25446.1, ECO:0000313|Proteomes:UP000001426}; RN [1] {ECO:0000313|EMBL:CAE25446.1, ECO:0000313|Proteomes:UP000001426} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC BAA-98 / CGA009 {ECO:0000313|Proteomes:UP000001426}; RX PubMed=14704707; DOI=10.1038/nbt923; RA Larimer F.W., Chain P., Hauser L., Lamerdin J., Malfatti S., Do L., RA Land M.L., Pelletier D.A., Beatty T.J., Lang A.S., Tabita F.R., RA Gibson J.L., Hanson T.E., Torres y Torres J., Peres C., Harrison F.H., RA Gibson J., Harwood C.S.; RT "Complete genome sequence of the metabolically versatile photosynthetic RT bacterium Rhodopseudomonas palustris."; RL Nat. Biotechnol. 22:55-61(2004). 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 --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; BX572593; CAE25446.1; -; Genomic_DNA. DR RefSeq; WP_011155573.1; NZ_CP116810.1. DR AlphaFoldDB; Q6NDV2; -. DR STRING; 258594.RPA0002; -. DR GeneID; 66891000; -. DR eggNOG; COG0592; Bacteria. DR HOGENOM; CLU_038149_4_2_5; -. DR PhylomeDB; Q6NDV2; -. DR Proteomes; UP000001426; 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 Reference proteome {ECO:0000313|Proteomes:UP000001426}; 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; 40401 MW; F40C763C0E1009EA CRC64; MKVTVERAQL LKSLSHVHRV VERRNTIPIL GNVLVRAENA QLALKATDLD LEVTETLPAE TATAGSTTVP AHMFYDIVRK LPDGSQIVLE SDGDRSVLAI RAGRSRFTLQ TLPESDFPDL AAGEMSHAFR LPASDVKRLI DRTQFAISTE ETRYYLNGIY LHTAGSPKAS SLRAVATDGH RLAQLDLTLP SGADGMPGVI VPRKTVGEVQ RLIEDTEAEI GIELSTGKIR FTLGNVVLTS KLIDGTFPDY GRVIPQNNDK ELLVDKKDFE AAVDRVSTIS SERGRAVKLA LSAGKLVLSV TNPDSGSATE ELEVEYASDP LDIGFNSRYL LDIAAQIEGE VAVLKLADPG SPTLIQDRDS KSALYVLMPM RV //