Annotations: 4HTV

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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Arm	e4htvA1	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00514	Armadillo/beta-catenin-like repeat (Arm)	Armadillo/beta-catenin-like repeat	-	Repeat
A	PF01749	Importin beta binding domain (IBB)	Importin beta binding domain	-	Repeat
A	PF16186	Atypical Arm repeat (Arm_3)	Atypical Arm repeat	-	Repeat
B	PF02443	Circovirus capsid protein (Circo_capsid)	Circovirus capsid protein	Circoviruses are small circular single stranded viruses. This family is the capsid protein from viruses such as porcine circovirus [1] and beak and feather disease virus Swiss:Q9YUC8. These proteins are about 220 amino acids long.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Importin subunit alpha-2	histone deacetylase binding protein binding binding enzyme binding nuclear localization sequence binding signal sequence binding peptide binding transcription factor binding DNA-binding transcription factor binding nuclear import signal receptor activity nucleocytoplasmic carrier activity molecular carrier activity	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation cell-cell signaling postsynaptic signal transduction cell communication synaptic signaling cellular process postsynapse to nucleus signaling pathway signal transduction protein localization cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation 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 organic substance 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 regulation of viral process regulation of viral life cycle positive regulation of viral life cycle positive regulation of viral process viral process positive regulation of biological process viral life cycle NLS-bearing protein import into nucleus 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	intracellular anatomical structure cytoplasmic ribonucleoprotein granule cellular anatomical entity 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 intracellular anatomical structure cytoplasmic ribonucleoprotein granule cellular anatomical entity 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 membrane-bounded organelle nuclear membrane membrane nucleus intracellular membrane-bounded organelle endomembrane system organelle envelope nuclear envelope organelle membrane cytosol membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen synapse cell junction glutamatergic synapse host cellular component host cell postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization asymmetric synapse
B	capsid protein	-	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly viral capsid assembly virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host	viral capsid icosahedral viral capsid virion component T=1 icosahedral viral capsid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR000225	Armadillo	Repeat
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR024931	Importin subunit alpha	Family
A	IPR036975	Importin-alpha, importin-beta-binding domain superfamily	Homologous Superfamily
A	IPR002652	Importin-alpha, importin-beta-binding domain	Domain
A	IPR032413	Atypical Arm repeat	Repeat
B	IPR038652	Circovirus capsid superfamily	Homologous Superfamily
B	IPR003383	Circovirus capsid protein	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.