Annotations: 4K8X

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nucleotide cyclase/DNA polymerase palm domain-like	8037445	3001272	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nucleotide cyclase/DNA polymerase palm domain-like	8037445	3001272	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Ribonuclease H-like	8044545	3000143	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	pol2_like	e4k8xA1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: pol2_like	ECOD (1.6)
A	DNA_pol_B_2nd	e4k8xA2	A: alpha bundles	X: thumb domain in bacteriophage RB69-like DNA polymerase I (From Topology)	H: thumb domain in bacteriophage RB69-like DNA polymerase I (From Topology)	T: thumb domain in bacteriophage RB69-like DNA polymerase I	F: DNA_pol_B_2nd	ECOD (1.6)
A	DNA_pol_B_1st_2	e4k8xA3	A: alpha bundles	X: fingers domain in bacteriophage RB69-like DNA polymerase I (From Topology)	H: fingers domain in bacteriophage RB69-like DNA polymerase I (From Topology)	T: fingers domain in bacteriophage RB69-like DNA polymerase I	F: DNA_pol_B_1st_2	ECOD (1.6)
A	DNA_pol_B_1st_1	e4k8xA4	A: a+b two layers	X: Alpha-beta plaits	H: Adenylyl and guanylyl cyclase catalytic domain-like	T: Adenylyl and guanylyl cyclase catalytic domain-like	F: DNA_pol_B_1st_1	ECOD (1.6)
A	pol2	e4k8xA5	A: a+b two layers	X: Alpha-beta plaits	H: Family B DNA polymerase insertion domain (From Topology)	T: Family B DNA polymerase insertion domain	F: pol2	ECOD (1.6)
A	DNA_pol_B_exo1_3rd	e4k8xA6	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: DNA_pol_B_exo1_3rd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.342.10	Alpha Beta	2-Layer Sandwich	DNA Polymerase	Chain A, domain 1	CATH (4.3.0)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
A	3.90.1600.10	Alpha Beta	Alpha-Beta Complex	Palm domain of DNA polymerase	B family DNA polymerase, palm domain	CATH (4.3.0)
A	1.10.287.690	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	B family DNA polymerase, finger domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03104	DNA polymerase family B, exonuclease domain (DNA_pol_B_exo1)	DNA polymerase family B, exonuclease domain	-	Family
A	PF00136	DNA polymerase family B (DNA_pol_B)	DNA polymerase family B	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA polymerase	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 nucleoside phosphate binding nucleotide 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 DNA binding binding organic cyclic compound binding nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	-
B [auth T]	DNA (5'-D(PAPAPAPGPGPCPGPCPAPGPTPTPCPGPCPG)-3')	-	-	-
C [auth P]	DNA (5'-D(CPGPCPGPAPAPCPTPGPCPGP(DOC))-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A	IPR006134	DNA-directed DNA polymerase, family B, multifunctional domain	Domain
A	IPR006172	DNA-directed DNA polymerase, family B	Family
A	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
A	IPR006133	DNA-directed DNA polymerase, family B, exonuclease domain	Domain
A	IPR050240	DNA polymerase type-B	Family
A	IPR042087	DNA polymerase family B, thumb domain	Homologous Superfamily
A	IPR017964	DNA-directed DNA polymerase, family B, conserved site	Conserved Site
A	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A	IPR023211	DNA polymerase, palm domain superfamily	Homologous Superfamily

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.