Annotations: 4KA4

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF02295	e4ka4A1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF02295	ECOD (1.6)
C [auth D]	PF02295	e4ka4D2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF02295	ECOD (1.6)
D [auth E]	PF02295	e4ka4E3	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF02295	ECOD (1.6)
B	PF02295	e4ka4B3	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF02295	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	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)
C [auth D]	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)
D [auth E]	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)
B	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C [auth D], D [auth E]	Z-DNA-binding protein 1	RNA binding double-stranded RNA binding binding organic cyclic compound binding nucleic acid binding DNA binding double-stranded DNA binding left-handed Z-DNA binding double-stranded RNA adenosine deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines adenosine deaminase activity hydrolase activity catalytic activity deaminase activity RNA binding double-stranded RNA binding binding organic cyclic compound binding nucleic acid binding DNA binding double-stranded DNA binding left-handed Z-DNA binding double-stranded RNA adenosine deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines adenosine deaminase activity hydrolase activity catalytic activity deaminase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds identical protein binding protein binding	regulation of defense response positive regulation of response to biotic stimulus regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus positive regulation of biological process response to biotic stimulus positive regulation of response to stimulus positive regulation of response to external stimulus positive regulation of immune response regulation of response to stress response to stress innate immune response regulation of defense response positive regulation of response to biotic stimulus regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus positive regulation of biological process response to biotic stimulus positive regulation of response to stimulus positive regulation of response to external stimulus positive regulation of immune response regulation of response to stress response to stress innate immune response regulation of immune system process response to external biotic stimulus positive regulation of immune system process regulation of biological process positive regulation of innate immune response defense response immune response response to other organism regulation of innate immune response biological regulation defense response to symbiont response to external stimulus regulation of response to stimulus immune system process defense response to other organism positive regulation of defense response activation of innate immune response regulation of immune response activation of immune response regulation of inflammatory response positive regulation of inflammatory response inflammatory response pyroptosis cellular process cell death programmed cell death apoptotic process positive regulation of programmed cell death regulation of cellular process regulation of apoptotic process regulation of programmed cell death positive regulation of apoptotic process positive regulation of cellular process cellular response to stimulus positive regulation of cell communication response to organic substance positive regulation of signal transduction regulation of type I interferon-mediated signaling pathway response to cytokine regulation of signal transduction cell communication interferon-mediated signaling pathway cellular response to type I interferon cellular response to cytokine stimulus signal transduction regulation of response to cytokine stimulus response to chemical response to type I interferon signaling positive regulation of type I interferon-mediated signaling pathway positive regulation of response to cytokine stimulus cytokine-mediated signaling pathway cellular response to organic substance regulation of signaling cell surface receptor signaling pathway regulation of cytokine-mediated signaling pathway cellular response to chemical stimulus type I interferon-mediated signaling pathway regulation of cell communication positive regulation of cytokine-mediated signaling pathway positive regulation of signaling defense response to virus antiviral innate immune response response to virus defense response to fungus response to fungus positive regulation of necroptotic process necroptotic process programmed necrotic cell death regulation of necroptotic process regulation of programmed necrotic cell death positive regulation of programmed necrotic cell death regulation of interleukin-1-mediated signaling pathway cellular response to interleukin-1 interleukin-1-mediated signaling pathway response to interleukin-1	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
E [auth C], F, G, H	DNA (5'-D(TPCPGPCPGPCP*G)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C [auth D], D [auth E]	IPR042371	Z-binding domain	Domain
A, B, C [auth D], D [auth E]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C [auth D], D [auth E]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B, C [auth D], D [auth E]	IPR042361	Z-DNA-binding protein 1	Family
A, B, C [auth D], D [auth E]	IPR025735	RHIM domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C [auth D], D [auth E]	Pharos: Q9H171	cutaneous lupus erythematosus osteosarcoma tuberculosis herpes zoster periodontitis ulcerative colitis interstitial cystitis psoriasis

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 R01GM133198.