Annotations: 2OQQ

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.490	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Single helix bin	CATH (4.3.0)
B	1.20.5.490	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Single helix bin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00170	bZIP transcription factor (bZIP_1)	bZIP transcription factor	-	Coiled-coil

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transcription factor HY5	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding transcription regulator activity DNA-binding transcription factor activity DNA-binding transcription factor activity, RNA polymerase II-specific	cellular response to stimulus cellular response to gibberellin stimulus regulation of cellular process response to lipid response to stimulus signaling hormone-mediated signaling pathway cell communication response to gibberellin cellular response to endogenous stimulus response to hormone signal transduction cellular response to hormone stimulus gibberellin mediated signaling pathway cellular response to stimulus cellular response to gibberellin stimulus regulation of cellular process response to lipid response to stimulus signaling hormone-mediated signaling pathway cell communication response to gibberellin cellular response to endogenous stimulus response to hormone signal transduction cellular response to hormone stimulus gibberellin mediated signaling pathway regulation of biological process response to endogenous stimulus gibberellic acid mediated signaling pathway biological regulation response to oxygen-containing compound cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical cellular response to lipid cellular process response to light stimulus cellular response to red or far red light response to red or far red light detection of abiotic stimulus cellular response to environmental stimulus cellular response to light stimulus phototransduction detection of light stimulus detection of external stimulus red or far-red light signaling pathway response to external stimulus cellular response to radiation detection of stimulus red, far-red light phototransduction response to radiation response to abiotic stimulus cellular response to abiotic stimulus response to stress response to cold response to temperature stimulus response to UV response to UV-B abscisic acid-activated signaling pathway cellular response to abscisic acid stimulus response to abscisic acid response to alcohol cellular response to alcohol developmental process multicellular organismal process regulation of multicellular organismal development regulation of developmental process regulation of response to red or far red light multicellular organism development regulation of post-embryonic development photomorphogenesis regulation of response to stimulus anatomical structure development regulation of photomorphogenesis post-embryonic development regulation of multicellular organismal process regulation of biosynthetic process flavonoid metabolic process positive regulation of biological process primary metabolic process regulation of primary metabolic process positive regulation of metabolic process regulation of flavonoid biosynthetic process biosynthetic process flavonoid biosynthetic process positive regulation of biosynthetic process positive regulation of flavonoid biosynthetic process metabolic process regulation of metabolic process positive regulation of cellular process positive gravitropism tropism gravitropism response to gravity rhythmic process positive regulation of circadian rhythm circadian rhythm regulation of circadian rhythm response to red light response to far red light pigment metabolic process anthocyanin-containing compound metabolic process positive regulation of anthocyanin metabolic process regulation of anthocyanin metabolic process positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of signal transduction regulation of cellular response to alcohol regulation of signaling regulation of response to alcohol regulation of cell communication regulation of abscisic acid-activated signaling pathway	protein-containing complex protein-DNA complex membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004827	Basic-leucine zipper domain	Domain
A, B	IPR044280	Transcriptional activator Hac1/HY5	Family
A, B	IPR046347	Basic-leucine zipper 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.