Annotations: 6P6A

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth B]	SCOP2B Superfamily	ARM repeat-like	8039556	3000116	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)
A [auth B]	Arm	e6p6aB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: Arm	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF00514	Armadillo/beta-catenin-like repeat (Arm)	Armadillo/beta-catenin-like repeat	-	Repeat
A [auth B]	PF16186	Atypical Arm repeat (Arm_3)	Atypical Arm repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Importin subunit alpha-1	transcription factor binding protein binding binding DNA-binding transcription factor binding nuclear import signal receptor activity nucleocytoplasmic carrier activity molecular carrier activity nuclear localization sequence binding signal sequence binding peptide binding	regulation of biological process regulation of viral process regulation of viral life cycle positive regulation of viral life cycle positive regulation of viral process viral process biological regulation positive regulation of biological process viral life cycle protein localization establishment of protein localization cellular localization NLS-bearing protein import into nucleus nitrogen compound transport regulation of biological process regulation of viral process regulation of viral life cycle positive regulation of viral life cycle positive regulation of viral process viral process biological regulation positive regulation of biological process viral life cycle protein localization establishment of protein localization cellular localization NLS-bearing protein import into nucleus nitrogen compound transport nucleocytoplasmic transport transport nuclear transport intracellular transport protein localization to nucleus establishment of localization localization import into nucleus establishment of protein localization to organelle protein transport cellular macromolecule localization macromolecule localization protein localization to organelle establishment of localization in cell protein import into nucleus cellular process intracellular protein transport cellular response to stimulus regulation of cellular process response to stimulus signaling cell-cell signaling postsynaptic signal transduction cell communication synaptic signaling postsynapse to nucleus signaling pathway signal transduction viral penetration into host nucleus entry of viral genome into host nucleus through nuclear pore complex via importin intracellular transport of virus transport of virus	host cellular component host cell cellular anatomical entity intracellular anatomical structure cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle cytoplasmic stress granule protein-containing complex host cellular component host cell cellular anatomical entity intracellular anatomical structure cytoplasmic ribonucleoprotein granule ribonucleoprotein granule intracellular organelle organelle intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle cytoplasmic stress granule protein-containing complex nucleocytoplasmic transport complex NLS-dependent protein nuclear import complex cytosol postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization synapse cell junction asymmetric synapse membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen glutamatergic synapse
B [auth A], C	Nitrogen catabolic enzyme regulatory protein	DNA binding sequence-specific DNA binding binding double-stranded DNA binding nucleic acid 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 organic cyclic compound binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA binding sequence-specific DNA binding binding double-stranded DNA binding nucleic acid 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 organic cyclic compound binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	nitrate assimilation nitrogen cycle metabolic process oxoacid metabolic process cellular metabolic process metabolic process small molecule metabolic process cellular process organic acid metabolic process nitrate metabolic process reactive nitrogen species metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process nitrate assimilation nitrogen cycle metabolic process oxoacid metabolic process cellular metabolic process metabolic process small molecule metabolic process cellular process organic acid metabolic process nitrate metabolic process reactive nitrogen species metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription regulation of biological process negative regulation of transcription by RNA polymerase II negative regulation of metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular 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 RNA biosynthetic process positive regulation of cellular biosynthetic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR002652	Importin-alpha, importin-beta-binding domain	Domain
A [auth B]	IPR016024	Armadillo-type fold	Homologous Superfamily
A [auth B]	IPR000225	Armadillo	Repeat
A [auth B]	IPR011989	Armadillo-like helical	Homologous Superfamily
A [auth B]	IPR024931	Importin subunit alpha	Family
A [auth B]	IPR036975	Importin-alpha, importin-beta-binding domain superfamily	Homologous Superfamily
A [auth B]	IPR032413	Atypical Arm repeat	Repeat
B [auth A], C	IPR000679	Zinc finger, GATA-type	Domain
B [auth A], C	IPR013860	Nitrogen regulatory protein areA, GATA-like domain	Domain
B [auth A], C	IPR039355	Transcription factor GATA	Family
B [auth A], C	IPR013088	Zinc finger, NHR/GATA-type	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.