Annotations: 1OK7

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ok7a1	Alpha and beta proteins (a+b)	DNA clamp	DNA clamp	DNA polymerase III, beta subunit	DNA polymerase III, beta subunit	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1ok7b1	Alpha and beta proteins (a+b)	DNA clamp	DNA clamp	DNA polymerase III, beta subunit	DNA polymerase III, beta subunit	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	DNA polymerase III beta subunit	8025697	4002061	SCOP2 (2022-06-29)
A	SCOP2 Family	DNA polymerase III beta subunit	8025702	4002061	SCOP2 (2022-06-29)
A	SCOP2 Family	DNA polymerase III beta subunit	8025703	4002061	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNA clamp	8038076	3000780	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNA clamp	8038081	3000780	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNA clamp	8038082	3000780	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	DNA clamp	8038081	3000780	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	DNA clamp	8038076	3000780	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	DNA clamp	8038082	3000780	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00712	e1ok7A1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF00712	ECOD (1.6)
A	PF02767	e1ok7A2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02767	ECOD (1.6)
A	PF02768	e1ok7A3	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02768	ECOD (1.6)
B	PF00712	e1ok7B1	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF00712	ECOD (1.6)
B	PF02767	e1ok7B2	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02767	ECOD (1.6)
B	PF02768	e1ok7B3	A: a+b two layers	X: DNA clamp (From Topology)	H: DNA clamp (From Topology)	T: DNA clamp	F: PF02768	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.150.10	Alpha Beta	Roll	DNA Polymerase III	Chain A, domain 2	CATH (4.3.0)
B	3.10.150.10	Alpha Beta	Roll	DNA Polymerase III	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02768	DNA polymerase III beta subunit, C-terminal domain (DNA_pol3_beta_3)	DNA polymerase III beta subunit, C-terminal domain	A dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold.	Domain
A, B	PF02767	DNA polymerase III beta subunit, central domain (DNA_pol3_beta_2)	DNA polymerase III beta subunit, central domain	A dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold.	Domain
A, B	PF00712	DNA polymerase III beta subunit, N-terminal domain (DNA_pol3_beta)	DNA polymerase III beta subunit, N-terminal domain	A dimer of the beta subunit of DNA polymerase beta forms a ring which encircles duplex DNA. Each monomer contains three domains of identical topology and DNA clamp fold.	Domain
C	PF11799	impB/mucB/samB family C-terminal domain (IMS_C)	impB/mucB/samB family C-terminal domain	These proteins are involved in UV protection (Swiss).	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	DNA POLYMERASE III	catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups DNA binding binding organic cyclic compound binding nucleic acid binding nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups DNA binding binding organic cyclic compound binding nucleic acid binding nuclease activity hydrolase activity, acting on ester bonds 3'-5' exonuclease activity hydrolase activity exonuclease activity identical protein binding protein binding protein homodimerization activity protein dimerization activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process DNA-templated DNA replication cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process DNA-templated DNA replication cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA strand elongation organic substance metabolic process DNA replication heterocycle metabolic process nitrogen compound metabolic process metabolic process DNA strand elongation involved in DNA replication macromolecule metabolic process cellular aromatic compound metabolic process postreplication repair cellular biosynthetic process DNA synthesis involved in DNA repair cellular nitrogen compound biosynthetic process organic substance biosynthetic process DNA repair translesion synthesis nucleobase-containing compound biosynthetic process heterocycle biosynthetic process macromolecule biosynthetic process biosynthetic process aromatic compound biosynthetic process organic cyclic compound biosynthetic process error-prone translesion synthesis DNA biosynthetic process regulation of DNA-templated DNA replication initiation regulation of cellular process negative regulation of biological process negative regulation of nitrogen compound metabolic process negative regulation of DNA-templated DNA replication initiation negative regulation of cellular metabolic process regulation of primary metabolic process regulation of nitrogen compound metabolic process negative regulation of DNA-templated DNA replication negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process regulation of biological process negative regulation of DNA replication DNA replication initiation negative regulation of metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of DNA-templated DNA replication negative regulation of DNA metabolic process regulation of metabolic process regulation of DNA replication regulation of DNA metabolic process bacterial-type DNA replication cell cycle DNA replication cell cycle cell cycle process	transferase complex, transferring phosphorus-containing groups DNA polymerase III complex protein-containing complex catalytic complex transferase complex DNA polymerase complex intracellular protein-containing complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-DNA complex chromosome replication inhibiting complex transferase complex, transferring phosphorus-containing groups DNA polymerase III complex protein-containing complex catalytic complex transferase complex DNA polymerase complex intracellular protein-containing complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-DNA complex chromosome replication inhibiting complex intracellular organelle organelle intracellular non-membrane-bounded organelle replication fork replisome non-membrane-bounded organelle Hda-beta clamp complex
C	DNA POLYMERASE IV	catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding DNA binding organic cyclic compound binding damaged DNA binding nucleic acid binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process postreplication repair cellular biosynthetic process DNA synthesis involved in DNA repair cellular nitrogen compound biosynthetic process nucleobase-containing compound metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process postreplication repair cellular biosynthetic process DNA synthesis involved in DNA repair cellular nitrogen compound biosynthetic process nucleobase-containing compound metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process DNA repair translesion synthesis cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process aromatic compound biosynthetic process organic cyclic compound biosynthetic process metabolic process error-prone translesion synthesis macromolecule metabolic process DNA biosynthetic process cellular aromatic compound metabolic process error-free translesion synthesis DNA-templated DNA replication DNA replication response to extracellular stimulus SOS response response to external stimulus cell communication cellular response to extracellular stimulus cellular response to external stimulus	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR046938	DNA clamp superfamily	Homologous Superfamily
A, B	IPR001001	DNA polymerase III, beta sliding clamp	Family
A, B	IPR022634	DNA polymerase III, beta sliding clamp, N-terminal	Domain
A, B	IPR022635	DNA polymerase III, beta sliding clamp, C-terminal	Domain
A, B	IPR022637	DNA polymerase III, beta sliding clamp, central	Domain
C	IPR001126	UmuC domain	Domain
C	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
C	IPR036775	DNA polymerase, Y-family, little finger domain superfamily	Homologous Superfamily
C	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
C	IPR022880	DNA polymerase IV	Family
C	IPR017961	DNA polymerase, Y-family, little finger domain	Domain
C	IPR024728	DNA polymerase type-Y, HhH motif	Conserved Site

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.