Annotations: 3UL0

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth B]	d3ul0b_	All alpha proteins	alpha-alpha superhelix	ARM repeat	Armadillo repeat	Importin alpha	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)
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	e3ul0B1	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 (4.3.0)

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-2	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 C]	Nuclear cap-binding protein subunit 1	RNA binding binding organic cyclic compound binding nucleic acid binding RNA cap binding mRNA binding RNA 7-methylguanosine cap binding	regulation of biological process regulation of growth regulation of cellular process regulation of cellular component organization positive regulation of biological process biological regulation growth positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis regulation of biological process regulation of growth regulation of cellular process regulation of cellular component organization positive regulation of biological process biological regulation growth positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis positive regulation of cellular process cellular biosynthetic process RNA metabolic process mRNA processing regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process regulation of RNA metabolic process positive regulation of macromolecule metabolic process RNA 3'-end processing regulation of nucleobase-containing compound metabolic process RNA processing regulation of mRNA processing positive regulation of nucleobase-containing compound metabolic process cellular metabolic process mRNA 3'-end processing regulation of mRNA 3'-end processing positive regulation of mRNA metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process biosynthetic process positive regulation of mRNA processing metabolic process macromolecule metabolic process positive regulation of mRNA 3'-end processing regulation of mRNA metabolic process regulation of metabolic process negative regulation of biological process negative regulation of cellular metabolic process post-transcriptional regulation of gene expression negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of metabolic process regulation of cellular metabolic process regulatory ncRNA-mediated post-transcriptional gene silencing negative regulation of cellular biosynthetic process regulatory ncRNA-mediated gene silencing regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process post-transcriptional gene silencing regulation of macromolecule biosynthetic process cellular localization nitrogen compound transport nucleocytoplasmic transport transport nuclear transport mRNA transport localization mRNA export from nucleus establishment of localization in cell RNA localization nuclear export nucleobase-containing compound transport RNA transport nucleic acid transport intracellular transport establishment of localization RNA export from nucleus establishment of RNA localization macromolecule localization cap-dependent translational initiation translation cytoplasmic translation cytoplasmic translational initiation translational initiation protein metabolic process ribonucleoprotein complex biogenesis protein-RNA complex assembly cellular component biogenesis spliceosomal complex assembly protein-RNA complex organization cellular component assembly protein-containing complex assembly RNA splicing protein-containing complex organization RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile histone mRNA metabolic process regulation of translational initiation regulation of protein metabolic process regulation of translation mRNA transcription by RNA polymerase II mRNA transcription DNA-templated transcription transcription by RNA polymerase II regulatory ncRNA processing primary miRNA processing miRNA processing positive regulation of macromolecule biosynthetic process regulation of transcription by RNA polymerase II regulation of DNA-templated transcription elongation regulation of transcription elongation by RNA polymerase II positive regulation of transcription by RNA polymerase II regulation of DNA-templated transcription transcription elongation by RNA polymerase II positive regulation of DNA-templated transcription positive regulation of transcription elongation by RNA polymerase II positive regulation of cellular metabolic process positive regulation of biosynthetic process positive regulation of DNA-templated transcription, elongation regulation of RNA biosynthetic process DNA-templated transcription elongation positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process 7-methylguanosine mRNA capping 7-methylguanosine RNA capping RNA capping RNA 5'-end processing catabolic process nuclear-transcribed mRNA catabolic process, nonsense-mediated decay macromolecule catabolic process RNA catabolic process mRNA catabolic process nuclear-transcribed mRNA catabolic process nucleobase-containing compound catabolic process nucleic acid catabolic process biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to virus defense response to other organism response to stress response to external biotic stimulus response to virus miRNA-mediated post-transcriptional gene silencing alternative mRNA splicing, via spliceosome snRNA export from nucleus snRNA transport regulation of mRNA splicing, via spliceosome positive regulation of mRNA splicing, via spliceosome regulation of RNA splicing positive regulation of gene expression positive regulation of RNA splicing	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle cytosol nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen protein-containing complex RNA cap binding complex nuclear cap binding complex intracellular protein-containing complex ribonucleoprotein complex

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 C]	IPR016024	Armadillo-type fold	Homologous Superfamily
B [auth C]	IPR015172	MIF4G-like, type 1	Domain
B [auth C]	IPR027159	Nuclear cap-binding protein subunit 1	Family
B [auth C]	IPR015174	MIF4G-like, type 2	Domain
B [auth C]	IPR003890	MIF4G-like, type 3	Domain

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.