Annotations: 5B56

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	ARM repeat-like	8039556	3000116	SCOP2B (2022-06-29)
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	Arm	e5b56A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: Arm	ECOD (1.6)
B	Arm	e5b56B1	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	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (4.3.0)
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, B	PF00514	Armadillo/beta-catenin-like repeat (Arm)	Armadillo/beta-catenin-like repeat	-	Repeat
A, B	PF01749	Importin beta binding domain (IBB)	Importin beta binding domain	-	Repeat
A, 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, 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	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 cellular response to stimulus regulation of cellular process response to stimulus signaling cell-cell signaling 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 cellular response to stimulus regulation of cellular process response to stimulus signaling cell-cell signaling postsynaptic signal transduction cell communication synaptic signaling cellular process postsynapse to nucleus signaling pathway signal transduction protein localization establishment of protein localization cellular localization 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 intracellular protein transport biological process involved in interspecies interaction between organisms 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 biological process involved in symbiotic interaction	host cellular component cellular anatomical structure host cell intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule protein-containing complex host cellular component cellular anatomical structure host cell intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle organelle membraneless organelle cytoplasm supramolecular complex 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
C, D, E, F	Protein Vpr	-	regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host cell cycle progression symbiont-mediated arrest of host cell cycle during G2/M transition modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction viral penetration into host nucleus intracellular transport of virus viral process viral life cycle transport of virus symbiont entry into host cell symbiont entry into host transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport establishment of localization symbiont-mediated activation of host programmed cell death symbiont-mediated activation of host apoptosis symbiont-mediated perturbation of host programmed cell death regulation of killing of cells of another organism disruption of cell in another organism regulation of cell killing symbiont-mediated perturbation of host apoptosis disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis	host cellular component cellular anatomical structure host cell host extracellular space host intracellular membrane-bounded organelle host intracellular part host cell part host intracellular region host cell nucleus host intracellular organelle virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002652	Importin-alpha, importin-beta-binding domain	Domain
A, B	IPR016024	Armadillo-type fold	Homologous Superfamily
A, B	IPR000225	Armadillo	Repeat
A, B	IPR011989	Armadillo-like helical	Homologous Superfamily
A, B	IPR024931	Importin subunit alpha	Family
A, B	IPR036975	Importin-alpha, importin-beta-binding domain superfamily	Homologous Superfamily
A, B	IPR032413	Atypical Arm repeat	Repeat
C, D, E, F	IPR000012	Retroviral VpR/VpX protein	Family

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.