Annotations: 4DXS

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	KASH domain	8045069	4004286	SCOP2 (2021-05-27)
B	SCOP2 Superfamily	KASH domain-like	8054241	3002285	SCOP2 (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF07738	e4dxsA1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: PF07738	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07738	Sad1 / UNC-like C-terminal (Sad1_UNC)	Sad1 / UNC-like C-terminal	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	SUN domain-containing protein 2	cytoskeletal protein binding microtubule binding protein binding binding tubulin binding protein-membrane adaptor activity protein-macromolecule adaptor activity molecular adaptor activity lamin binding cytoskeleton-nuclear membrane anchor activity identical protein binding	maintenance of protein location protein localization cellular localization nuclear matrix anchoring at nuclear membrane maintenance of protein location in nucleus protein localization to nucleus maintenance of location maintenance of location in cell cellular component organization localization nucleus organization organelle organization nuclear matrix organization maintenance of protein location in cell cellular macromolecule localization maintenance of protein location protein localization cellular localization nuclear matrix anchoring at nuclear membrane maintenance of protein location in nucleus protein localization to nucleus maintenance of location maintenance of location in cell cellular component organization localization nucleus organization organelle organization nuclear matrix organization maintenance of protein location in cell cellular macromolecule localization macromolecule localization protein localization to organelle cellular process cellular component organization or biogenesis maintenance of protein localization in organelle establishment of organelle localization transport nuclear migration along microfilament nucleus localization intracellular transport actin filament-based movement establishment of localization organelle localization establishment of localization in cell actin filament-based process cytoskeleton-dependent intracellular transport nuclear migration actin filament-based transport centrosome localization microtubule organizing center localization positive regulation of locomotion regulation of biological process regulation of cell motility regulation of cellular process biological regulation positive regulation of biological process positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion positive regulation of cellular process multicellular organismal process organelle transport along microtubule microtubule cytoskeleton organization telencephalon glial cell migration multicellular organism development telencephalon cell migration gliogenesis cell differentiation anatomical structure development transport along microtubule system development developmental process head development brain development nucleokinesis involved in cell motility in cerebral cortex radial glia guided migration nervous system development cerebral cortex radially oriented cell migration central nervous system development microtubule-based process microtubule-based movement cerebral cortex radial glia-guided migration cellular developmental process forebrain development glial cell migration cerebral cortex development neurogenesis forebrain cell migration cell motility involved in cerebral cortex radial glia guided migration cerebral cortex cell migration animal organ development modulation of microtubule cytoskeleton involved in cerebral cortex radial glia guided migration pallium development nuclear migration along microtubule microtubule-based transport telencephalon development cytoskeleton organization mitotic cell cycle mitotic spindle organization mitotic cell cycle process cell cycle microtubule cytoskeleton organization involved in mitosis spindle organization cell cycle process sexual reproduction reproductive process meiotic cell cycle	membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus cellular anatomical entity intracellular membrane-bounded organelle endomembrane system protein-containing complex membrane membrane protein complex nuclear protein-containing complex membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus cellular anatomical entity intracellular membrane-bounded organelle endomembrane system protein-containing complex membrane membrane protein complex nuclear protein-containing complex nuclear membrane protein complex microtubule organizing center attachment site nuclear membrane microtubule tethering complex meiotic nuclear membrane microtubule tethering complex nuclear membrane organelle membrane condensed nuclear chromosome membrane-enclosed lumen nuclear chromosome chromosome intracellular organelle lumen organelle lumen intracellular non-membrane-bounded organelle condensed chromosome non-membrane-bounded organelle nuclear lumen endosome membrane endosome intracellular vesicle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle cytoplasm vesicle organelle inner membrane nuclear inner membrane chromosome, telomeric region chromosomal region
B	Nesprin-2	cytoskeletal protein binding protein binding binding kinesin binding cytoskeleton-nuclear membrane anchor activity protein-membrane adaptor activity protein-macromolecule adaptor activity molecular adaptor activity actin binding	localization centrosome localization microtubule organizing center localization cellular process establishment of organelle localization cellular localization transport nucleus localization intracellular transport establishment of localization organelle localization establishment of localization in cell nuclear migration nuclear migration along microfilament localization centrosome localization microtubule organizing center localization cellular process establishment of organelle localization cellular localization transport nucleus localization intracellular transport establishment of localization organelle localization establishment of localization in cell nuclear migration nuclear migration along microfilament actin filament-based movement actin filament-based process cytoskeleton-dependent intracellular transport actin filament-based transport positive regulation of locomotion regulation of biological process regulation of cell motility regulation of cellular process biological regulation positive regulation of biological process positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion positive regulation of cellular process multicellular organismal process organelle transport along microtubule microtubule cytoskeleton organization telencephalon glial cell migration multicellular organism development telencephalon cell migration gliogenesis cell differentiation anatomical structure development transport along microtubule system development developmental process head development brain development nucleokinesis involved in cell motility in cerebral cortex radial glia guided migration nervous system development cerebral cortex radially oriented cell migration central nervous system development microtubule-based process microtubule-based movement cerebral cortex radial glia-guided migration cellular developmental process forebrain development glial cell migration cerebral cortex development cellular component organization neurogenesis forebrain cell migration cellular component organization or biogenesis cell motility involved in cerebral cortex radial glia guided migration cerebral cortex cell migration animal organ development modulation of microtubule cytoskeleton involved in cerebral cortex radial glia guided migration pallium development organelle organization nuclear migration along microtubule microtubule-based transport telencephalon development cytoskeleton organization regulation of cellular component organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component assembly cilium assembly cilium organization organelle assembly plasma membrane bounded cell projection organization regulation of cell projection organization regulation of cell projection assembly regulation of cellular component biogenesis regulation of organelle organization regulation of plasma membrane bounded cell projection assembly regulation of cilium assembly regulation of organelle assembly cell projection assembly regulation of plasma membrane bounded cell projection organization nucleus organization	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction Z disc sarcomere membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle anchoring junction cell junction focal adhesion cell-substrate junction Z disc sarcomere I band intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle organelle envelope nuclear envelope nucleus endomembrane system nuclear membrane membrane organelle membrane organelle subcompartment sarcoplasm endoplasmic reticulum subcompartment bounding membrane of organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum sarcoplasmic reticulum sarcoplasmic reticulum membrane endoplasmic reticulum membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle membrane-enclosed lumen intracellular organelle lumen organelle lumen nuclear lumen nucleoplasm cell leading edge plasma membrane leading edge membrane plasma membrane bounded cell projection cell periphery cell projection plasma membrane region lamellipodium membrane cell projection membrane lamellipodium nuclear outer membrane organelle outer membrane outer membrane protein-containing complex membrane protein complex nuclear protein-containing complex nuclear membrane protein complex microtubule organizing center attachment site nuclear membrane microtubule tethering complex meiotic nuclear membrane microtubule tethering complex perinuclear region of cytoplasm cytoskeleton intermediate filament cytoskeleton filopodium membrane actin-based cell projection filopodium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR045119	SUN domain-containing protein 1-5	Family
A	IPR012919	SUN domain	Domain
A	IPR040994	SUN coiled coil domain 2	Domain
B	IPR001715	Calponin homology domain	Domain
B	IPR039906	Nuclear anchorage protein 1/Nesprin-1/2-like	Family
B	IPR001589	Actinin-type actin-binding domain, conserved site	Conserved Site
B	IPR036872	CH domain superfamily	Homologous Superfamily
B	IPR018159	Spectrin/alpha-actinin	Repeat
B	IPR012315	KASH domain	Domain
B	IPR002017	Spectrin repeat	Repeat

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 R01GM133198.