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Information on EC 3.6.4.B8 - clamp-loader complex

for references in articles please use BRENDA:EC3.6.4.B8
preliminary BRENDA-supplied EC number
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UNIPROT: Q9UXF6
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Word Map
The expected taxonomic range for this enzyme is: Archaea, Bacteria, Eukaryota
Reaction Schemes
Synonyms
origin recognition complex, rad17, replication factor c, clamp loader, cell cycle checkpoint protein, ctf18-rfc, clamp loader complex, rfc complex, clamp-loader complex, elg1-rfc, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
ATP + H2O
ADP + phosphate
show the reaction diagram
-
-
-
?
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
ATP + H2O
ADP + phosphate
show the reaction diagram
-
-
-
?
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
large subunit
UniProt
Manually annotated by BRENDA team
large subunit
UniProt
Manually annotated by BRENDA team
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
RFC is an ATPase. The RFC complex from Sulfolobus solfataricus physically interacts with DNA polymerase B1 (PolB1) and enhances both the polymerase and 3'-5' exonuclease activities of PolB1 in an ATP-independent manner. Stimulation of the PolB1 activity by RFC is independent of the ability of RFC to bind DNA but is consistent with the ability of RFC to facilitate DNA binding by PolB1 through protein-protein interaction. Sulfolobus RFC may play a role in recruiting DNA polymerase for efficient primer extension, in addition to clamp loading, during DNA replication. RFC is shown to interact with the PCNA1 and PCNA2 subunits through its small subunit RFCS and with PCNA3 through its large subunit RFCL
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
RFCL_SACS2
Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
405
0
46787
Swiss-Prot
-
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
R84A/R90A/T120A/K149A
site-directed mutagenesis, quadruple mutant of RFCS small subunit
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant expression of small subunit RFCS, and full-length enzyme RFCSL in Escherichia coli strain Rosetta(DE3)/pLysS
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Xing, X.; Zhang, L.; Guo, L.; She, Q.; Huang, L.
Sulfolobus replication factor C stimulates the activity of DNA polymerase B1
J. Bacteriol.
196
2367-2375
2014
Saccharolobus solfataricus (Q9UXF5), Saccharolobus solfataricus (Q9UXF6), Saccharolobus solfataricus P2 (Q9UXF5), Saccharolobus solfataricus P2 (Q9UXF6)
Manually annotated by BRENDA team