Annotations: 8TUV

Merkel Cell Polyomavirus LTA NLSm bound to importin alpha 2

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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	WD40	e8tuvA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)
C	WD40	e8tuvC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)

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	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	Importin subunit alpha-1	histone deacetylase binding protein binding binding enzyme binding nuclear localization sequence binding signal sequence receptor activity 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 establishment of 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 establishment of protein localization cellular localization nucleocytoplasmic transport transport nuclear transport intracellular transport protein localization to nucleus establishment of localization localization intercellular transport import into nucleus establishment of protein localization to organelle protein transport establishment of localization in cell macromolecule localization protein localization to organelle protein import into nucleus intracellular protein localization intracellular protein transport non-canonical NF-kappaB signal transduction intracellular signal transduction intracellular signaling cassette 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 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 metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of transcription by glucose regulation of metabolic process 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 positive regulation of DNA-templated transcription 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 RNA metabolic process positive regulation of RNA biosynthetic process multicellular organismal process cytokine production regulation of cytokine production regulation of multicellular organismal process positive regulation of type I interferon production type I interferon production positive regulation of gene expression positive regulation of multicellular organismal process positive regulation of cytokine production regulation of type I interferon production 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	intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule protein-containing complex nucleocytoplasmic transport complex NLS-dependent protein nuclear import complex intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex 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 other organism part postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization asymmetric synapse
B	SER-ARG-LYS-ARG-LYS-PHE	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding nucleic acid binding DNA replication origin binding hydrolase activity catalytic activity cation binding transition metal ion binding zinc ion binding metal ion binding nucleic acid conformation isomerase activity isomerase activity DNA helicase activity catalytic activity, acting on a nucleic acid helicase activity 3'-5' DNA helicase activity ATP-dependent activity ATP-dependent activity, acting on DNA catalytic activity, acting on DNA macromolecular conformation isomerase activity	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle
C	30S ribosomal protein S11	RNA binding small ribosomal subunit rRNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process cytoplasmic translation metabolic process cellular process protein metabolic process macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cytosolic small ribosomal subunit protein-containing complex small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cytosolic small ribosomal subunit protein-containing complex small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome

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	IPR017910	Zinc finger, large T-antigen D1-type	Domain
B	IPR003133	T antigen, Ori-binding	Domain
B	IPR037102	Zinc finger, large T-antigen D1 domain superfamily	Homologous Superfamily
B	IPR036869	Chaperone J-domain superfamily	Homologous Superfamily
B	IPR014015	Helicase, superfamily 3, DNA virus	Domain
B	IPR010932	Large T antigen, polyomavirus, C-terminal	Domain
B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
C	IPR001971	Small ribosomal subunit protein uS11	Family
C	IPR036967	Small ribosomal subunit protein uS11 superfamily	Homologous Superfamily
C	IPR019981	Small ribosomal subunit protein uS11, bacteria	Family
C	IPR018102	Small ribosomal subunit protein uS11, conserved site	Conserved Site

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.