Annotations: 4AIL

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	pol2_like	e4ailC6	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: pol2_like	ECOD (1.6)
C	DNA_pol_B_2nd	e4ailC5	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)
C	DNA_pol_B_1st_2	e4ailC1	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)
C	DNA_pol_B_1st_1	e4ailC3	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)
C	pol2	e4ailC4	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)
C	DNA_pol_B_exo1_3rd	e4ailC2	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)
C	3.30.342.10	Alpha Beta	2-Layer Sandwich	DNA Polymerase	Chain A, domain 1	CATH (4.3.0)
C	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
C	3.90.1600.10	Alpha Beta	Alpha-Beta Complex	Palm domain of DNA polymerase	B family DNA polymerase, palm domain	CATH (4.3.0)
C	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
C	PF00136	DNA polymerase family B (DNA_pol_B)	DNA polymerase family B	-	Family
C	PF03104	DNA polymerase family B, exonuclease domain (DNA_pol_B_exo1)	DNA polymerase family B, exonuclease domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	5'-D(APCPGPGPGPTPAPAPGPCP*AP)-3'	-	-	-
B	5'-D(TPGPCPTPTPAPCPDOCP)-3'	-	-	-
C	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 nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound 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 nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding endonuclease activity nuclease 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	-

InterPro: Protein Family Classification InterPro Database Homepage

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