Annotations: 2AQ4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth A]	IMS_HHH_1	e2aq4A16	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: IMS_HHH_1	ECOD (1.6)
C [auth A]	IMS_C	e2aq4A15	A: a+b two layers	X: Reverse ferredoxin	H: Lesion bypass DNA polymerase (Y-family), little finger domain (From Topology)	T: Lesion bypass DNA polymerase (Y-family), little finger domain	F: IMS_C	ECOD (1.6)
C [auth A]	IMS	e2aq4A14	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: IMS	ECOD (1.6)
C [auth A]	IMS_1	e2aq4A13	A: a+b three layers	X: Hypothetical protein Ta1206-like (From Topology)	H: Hypothetical protein Ta1206-like (From Topology)	T: Hypothetical protein Ta1206-like	F: IMS_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth A]	6.10.250.1490	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
C [auth A]	3.30.70.270	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Reverse transcriptase/Diguanylate cyclase domain	CATH (4.3.0)
C [auth A]	3.40.1170.60	Alpha Beta	3-Layer(aba) Sandwich	MutS, DNA mismatch repair protein, domain I		CATH (4.3.0)
C [auth A]	1.10.150.20	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
C [auth A]	3.30.1490.100	Alpha Beta	2-Layer Sandwich	Dna Ligase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth A]	PF00817	impB/mucB/samB family (IMS)	impB/mucB/samB family	-	Family
C [auth A]	PF21999	DNA polymerase-iota, thumb domain (IMS_HHH_1)	DNA polymerase-iota, thumb domain	This is the thumb domain found in DNA polymerase iota and related proteins. This domain makes contacts with the minor groove of DNA.	Domain
C [auth A]	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
B [auth T]	5'-D(TPAPAPGPGPTPAPGPGPGPGPAPGPGPAPT)-3'	-	-	-
A [auth P]	5'-D(APTPCPCPTPCPCPCPCPTPAPC)-3'	-	-	-
C [auth A]	DNA repair protein REV1	deoxycytidyl transferase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid DNA binding binding organic cyclic compound binding damaged DNA binding nucleic acid binding deoxycytidyl transferase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid DNA binding binding organic cyclic compound binding damaged DNA binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	cellular response to stimulus postreplication repair response to stimulus cellular biosynthetic process DNA synthesis involved in DNA repair nucleobase-containing compound metabolic process nucleic acid biosynthetic process cellular response to stress response to stress DNA repair translesion synthesis cellular metabolic process primary metabolic process DNA metabolic process cellular response to stimulus postreplication repair response to stimulus cellular biosynthetic process DNA synthesis involved in DNA repair nucleobase-containing compound metabolic process nucleic acid biosynthetic process cellular response to stress response to stress DNA repair translesion synthesis cellular metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process DNA damage response metabolic process cellular process error-prone translesion synthesis macromolecule metabolic process DNA biosynthetic process error-free translesion synthesis	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle intracellular non-membrane-bounded organelle replication fork chromosome non-membrane-bounded organelle chromatin nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A]	IPR001126	UmuC domain	Domain
C [auth A]	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
C [auth A]	IPR036775	DNA polymerase, Y-family, little finger domain superfamily	Homologous Superfamily
C [auth A]	IPR012112	DNA repair protein Rev1	Family
C [auth A]	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
C [auth A]	IPR001357	BRCT domain	Domain
C [auth A]	IPR017961	DNA polymerase, Y-family, little finger domain	Domain
C [auth A]	IPR053848	DNA polymerase IV/DNA polymerase iota-like, thumb domain	Domain
C [auth A]	IPR036420	BRCT 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.