Annotations: 2P1J

Crystal structure of a polC-type DNA polymerase III exonuclease domain from Thermotoga maritima

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Ribonuclease H-like	8071358	3000143	SCOP2B (2022-06-29)
A	SCOP2 Family	DnaQ-like 3'-5' exonuclease	8071357	4000547	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribonuclease H-like	8071358	3000143	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	HTHP	e2p1jB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: HTHP	ECOD (v294.1)
A	Acetyltransf_1	e2p1jA1	A: a/b three-layered sandwiches	X: Profilin-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Acetyltransf_1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
B	1.20.5.140	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
A	1.20.5.140	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00929	Exonuclease (RNase_T)	Exonuclease	This family includes a variety of exonuclease proteins, such as ribonuclease T and the epsilon subunit of DNA polymerase III.;	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	DNA polymerase III polC-type	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 nucleic acid binding hydrolase activity, acting on ester bonds nuclease activity 3'-5' exonuclease activity 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 nucleic acid binding hydrolase activity, acting on ester bonds nuclease activity 3'-5' exonuclease activity hydrolase activity exonuclease activity	nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B	IPR006054	DNA polymerase III epsilon subunit, exonuclease domain	Domain
A, B	IPR040982	DNA polymerase III alpha subunit finger domain	Domain
A, B	IPR004013	PHP domain	Domain
A, B	IPR006308	DNA polymerase III, alpha subunit, PolC-type, Gram-positive bacteria	Family
A, B	IPR013520	Ribonuclease H-like domain	Domain
A, B	IPR004365	OB-fold nucleic acid binding domain, AA-tRNA synthetase-type	Domain
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, B	IPR003141	Polymerase/histidinol phosphatase, N-terminal	Domain
A, B	IPR011708	Bacterial DNA polymerase III, alpha subunit, NTPase domain	Domain
A, B	IPR029460	DNA polymerase, helix-hairpin-helix motif	Domain
A, B	IPR004805	Error-prone DNA polymerase/DNA polymerase III subunit alpha DnaE/PolC	Family
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A, B	IPR044923	PolC, middle finger subdomain superfamily	Homologous Superfamily

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.