Annotations: 1BK5

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1bk5b_	All alpha proteins	alpha-alpha superhelix	ARM repeat	Armadillo repeat	Karyopherin alpha	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d1bk5a_	All alpha proteins	alpha-alpha superhelix	ARM repeat	Armadillo repeat	Karyopherin alpha	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Armadillo repeat	8030995	4001272	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	ARM repeat-like	8043374	3000116	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	ARM repeat-like	8043374	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)
B	PF00514,PF16186	e1bk5B1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF00514,PF16186	ECOD (1.6)
A	PF00514,PF16186	e1bk5A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF00514,PF16186	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (4.3.0)
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, 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	KARYOPHERIN ALPHA	protein-containing complex binding binding nuclear import signal receptor activity nucleocytoplasmic carrier activity molecular carrier activity disordered domain specific binding protein binding protein domain specific binding nuclear localization sequence binding signal sequence binding peptide binding	localization cellular localization import into nucleus nucleocytoplasmic transport transport nuclear transport establishment of localization in cell intracellular transport cellular process establishment of localization protein localization establishment of protein localization NLS-bearing protein import into nucleus nitrogen compound transport localization cellular localization import into nucleus nucleocytoplasmic transport transport nuclear transport establishment of localization in cell intracellular transport cellular process establishment of localization protein localization establishment of protein localization NLS-bearing protein import into nucleus nitrogen compound transport cellular macromolecule localization protein import into nucleus organic substance transport protein localization to nucleus establishment of protein localization to organelle protein transport macromolecule localization protein localization to organelle intracellular protein transport proteasome localization protein-containing complex localization establishment of protein localization to membrane protein targeting localization within membrane protein localization to membrane protein targeting to membrane	protein-containing complex nucleocytoplasmic transport complex NLS-dependent protein nuclear import complex membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus cellular anatomical entity intracellular membrane-bounded organelle endomembrane system cytoplasm protein-containing complex nucleocytoplasmic transport complex NLS-dependent protein nuclear import complex membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus cellular anatomical entity intracellular membrane-bounded organelle endomembrane system cytoplasm cytosol perinuclear region of cytoplasm membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

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

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.