Annotations: 6R2I

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	BTB_2	e6r2iA1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: BTB_2	ECOD (v294.1)

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 1	protein-membrane adaptor activity protein-macromolecule adaptor activity molecular adaptor activity lamin binding protein binding binding cytoskeleton-nuclear membrane anchor activity identical protein binding	maintenance of protein location 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 macromolecule localization protein localization to organelle maintenance of protein location 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 macromolecule localization protein localization to organelle cellular process cellular component organization or biogenesis maintenance of protein localization in organelle intracellular protein localization developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation response to stimulus response to mechanical stimulus response to abiotic stimulus response to external stimulus centrosome localization microtubule organizing center localization establishment of organelle localization multicellular organismal process organelle transport along microtubule microtubule cytoskeleton organization telencephalon glial cell migration multicellular organism development telencephalon cell migration gliogenesis cell differentiation establishment of localization in cell anatomical structure development cell migration transport along microtubule system development head development brain development nucleus localization nucleokinesis involved in cell motility in cerebral cortex radial glia guided migration intracellular transport nervous system development cerebral cortex radially oriented cell migration establishment of localization central nervous system development microtubule-based process cytoskeleton-dependent intracellular transport microtubule-based movement cerebral cortex radial glia-guided migration cellular developmental process transport forebrain development glial cell migration cerebral cortex development neurogenesis forebrain cell migration organelle localization nuclear migration cell motility 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 ossification meiotic chromosome segregation meiotic cell cycle organelle fission chromosome organization meiotic cell cycle process chromosome organization involved in meiotic cell cycle nuclear division meiosis I meiosis I cell cycle process homologous chromosome pairing at meiosis nuclear chromosome segregation meiotic nuclear division homologous chromosome segregation cell cycle chromosome segregation cell cycle process meiotic attachment of telomere to nuclear envelope telomere localization chromosome localization meiotic telomere clustering meiotic telomere tethering at nuclear periphery chromosome localization to nuclear envelope involved in homologous chromosome segregation telomere tethering at nuclear periphery chromosome attachment to the nuclear envelope	membrane-bounded organelle intracellular organelle organelle envelope cellular anatomical structure intracellular anatomical structure organelle nuclear envelope nucleus intracellular membrane-bounded organelle endomembrane system protein-containing complex membrane membrane protein complex nuclear protein-containing complex membrane-bounded organelle intracellular organelle organelle envelope cellular anatomical structure intracellular anatomical structure organelle nuclear envelope nucleus 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 organelle inner membrane nuclear inner membrane cytoplasm membraneless organelle intracellular membraneless organelle chromosome chromosome, telomeric region chromosomal region
B	KASH5	identical protein binding protein binding binding protein-containing complex binding dynein complex binding	developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation meiotic chromosome segregation meiotic cell cycle process cellular component organization localization telomere localization meiosis I developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation meiotic chromosome segregation meiotic cell cycle process cellular component organization localization telomere localization meiosis I chromosome localization organelle localization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation cell cycle process meiotic cell cycle organelle fission meiotic telomere clustering chromosome organization chromosome organization involved in meiotic cell cycle nuclear division organelle organization chromosome localization to nuclear envelope involved in homologous chromosome segregation meiosis I cell cycle process nuclear chromosome segregation cellular process homologous chromosome segregation cellular developmental process oogenesis cell development cellular process involved in reproduction in multicellular organism female gamete generation cell differentiation anatomical structure development germ cell development cellular response to stimulus double-strand break repair response to stimulus DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress recombinational repair metabolic process macromolecule metabolic process double-strand break repair via homologous recombination DNA repair homologous chromosome pairing at meiosis actin cytoskeleton organization actin filament organization actin filament-based process supramolecular fiber organization cytoskeleton organization spindle localization organelle assembly microtubule cytoskeleton organization membraneless organelle assembly spindle assembly cellular component biogenesis cellular component assembly microtubule-based process spindle organization	membrane-bounded organelle nuclear outer membrane intracellular anatomical structure nuclear membrane membrane nucleus organelle outer membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle organelle membrane-bounded organelle nuclear outer membrane intracellular anatomical structure nuclear membrane membrane nucleus organelle outer membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network nuclear envelope outer membrane organelle 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 condensed nuclear chromosome membrane-enclosed lumen intracellular membraneless organelle nuclear chromosome chromosome intracellular organelle lumen lateral element organelle lumen membraneless organelle synaptonemal structure synaptonemal complex condensed chromosome nuclear lumen spindle meiotic spindle meiotic spindle pole cytoskeleton spindle pole microtubule cytoskeleton chromosome, telomeric region chromosomal region

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
A	IPR032680	SUN domain-containing protein 1, N-terminal	Domain
B	IPR028168	KASH5-like coiled-coil domain	Domain
B	IPR028170	Protein KASH5	Family
B	IPR039508	Protein KASH5, EF-hand-like domain	Domain
B	IPR011992	EF-hand domain pair	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O94901	atrial fibrillation gastric carcinoma malignant ependymoma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma psoriasis tuberculosis cutaneous lupus erythematosus Hutchinson-Gilford progeria syndrome malignant mesothelioma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm rheumatoid arthritis gastric cancer invasive ductal breast carcinoma atrial fibrillation gastric carcinoma malignant ependymoma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma psoriasis tuberculosis cutaneous lupus erythematosus Hutchinson-Gilford progeria syndrome malignant mesothelioma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm rheumatoid arthritis gastric cancer invasive ductal breast carcinoma medulloblastoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia spina bifida
B	Pharos: Q8N6L0	osteosarcoma psoriasis

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.