2IRF

CRYSTAL STRUCTURE OF AN IRF-2/DNA COMPLEX.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
G	d2irfg_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Interferon regulatory factor	Interferon regulatory factor-2, IRF-2	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
H	d2irfh_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Interferon regulatory factor	Interferon regulatory factor-2, IRF-2	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
I	d2irfi_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Interferon regulatory factor	Interferon regulatory factor-2, IRF-2	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
J	d2irfj_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Interferon regulatory factor	Interferon regulatory factor-2, IRF-2	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
K	d2irfk_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Interferon regulatory factor	Interferon regulatory factor-2, IRF-2	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
L	d2irfl_	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Interferon regulatory factor	Interferon regulatory factor-2, IRF-2	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
G	SCOP2 Family	IRF DNA-binding domain-like	8003178	4000230	SCOP2 (2022-06-29)
G	SCOP2 Superfamily	Winged helix DNA-binding domain	8056295	3000034	SCOP2 (2022-06-29)
H	SCOP2B Superfamily	Winged helix DNA-binding domain	8056295	3000034	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Winged helix DNA-binding domain	8056295	3000034	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Winged helix DNA-binding domain	8056295	3000034	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Winged helix DNA-binding domain	8056295	3000034	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Winged helix DNA-binding domain	8056295	3000034	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)
G	IRF	e2irfG1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: IRF	ECOD (1.6)
H	IRF	e2irfH1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: IRF	ECOD (1.6)
I	IRF	e2irfI1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: IRF	ECOD (1.6)
J	IRF	e2irfJ1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: IRF	ECOD (1.6)
K	IRF	e2irfK1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: IRF	ECOD (1.6)
L	IRF	e2irfL1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: IRF	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
G	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
H	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
I	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
J	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
K	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
L	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G, H, I, J, K G, H, I, J, K, L	PF00605	Interferon regulatory factor transcription factor (IRF)	Interferon regulatory factor transcription factor	This family of transcription factors are important in the regulation of interferons in response to infection by virus and in the regulation of interferon-inducible genes. Three of the five conserved tryptophan residues bind to DNA.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	DNA (5'-D(PAPAPGPTPGPAPAPAPGP(5IU)PGPA)-3')	-	-	-
D, E, F	DNA (5'-D(TPTPCPAPCPTPTPTPCPAPCP(5IU)P*T)-3')	-	-	-
G, H, I, J, K G, H, I, J, K, L	INTERFERON REGULATORY FACTOR 2	DNA binding binding organic cyclic compound binding nucleic acid binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity sequence-specific DNA binding double-stranded DNA binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding DNA binding binding organic cyclic compound binding nucleic acid binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity sequence-specific DNA binding double-stranded DNA binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity	immune system process regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process regulation of nitrogen compound metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process immune system process regulation of cellular process cellular biosynthetic process RNA metabolic process regulation of primary metabolic process regulation of nitrogen compound metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation cellular nitrogen compound metabolic process primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process aromatic compound biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process cellular aromatic compound metabolic process transcription by RNA polymerase II regulation of transcription by RNA polymerase II cellular response to stimulus positive regulation of response to biotic stimulus pattern recognition receptor signaling pathway response to stimulus response to biotic stimulus cell communication immune response-activating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process innate immune response-activating signaling pathway immune response response to other organism regulation of innate immune response response to external stimulus regulation of response to stimulus defense response to other organism positive regulation of defense response activation of innate immune response regulation of immune response activation of immune response cytoplasmic pattern recognition receptor signaling pathway regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms regulation of response to external stimulus intracellular receptor signaling pathway signaling positive regulation of biological process positive regulation of response to stimulus endolysosomal toll-like receptor signaling pathway positive regulation of response to external stimulus immune response-regulating signaling pathway regulation of response to stress response to stress innate immune response response to external biotic stimulus positive regulation of innate immune response defense response defense response to symbiont toll-like receptor 3 signaling pathway defense response to virus response to virus positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of macromolecule metabolic process positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of cellular metabolic process positive regulation of biosynthetic process positive regulation of cellular process positive regulation of nitrogen compound metabolic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process	anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
G, H, I, J, K G, H, I, J, K, L	IPR001346	Interferon regulatory factor, DNA-binding domain	Domain
G, H, I, J, K G, H, I, J, K, L	IPR017431	Interferon regulatory factor-1/2	Family
G, H, I, J, K G, H, I, J, K, L	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
G, H, I, J, K G, H, I, J, K, L	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
G, H, I, J, K G, H, I, J, K, L	IPR019817	Interferon regulatory factor, conserved site	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.