Annotations: 7KDF

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	RWD domain-like	8041316	3000774	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	RWD domain-like	8041319	3000774	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Calponin-homology domain, CH-domain	8053600	3000264	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Calponin-homology domain, CH-domain	8051981	3000264	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)
D	Spindle_Spc25_like	e7kdfD1	A: a+b two layers	X: Kinetochore globular domain-like (From Topology)	H: Kinetochore globular domain-like (From Topology)	T: Kinetochore globular domain-like	F: Spindle_Spc25_like	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.418.60	Mainly Alpha	Orthogonal Bundle	Actin-binding Protein, T-fimbrin	domain 1	CATH (utative)
A	1.10.418.30	Mainly Alpha	Orthogonal Bundle	Actin-binding Protein, T-fimbrin	domain 1	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF08286	Spc24 subunit of Ndc80 (Spc24)	Spc24 subunit of Ndc80	-	Family
B	PF03800	Nuf2 family (Nuf2)	Nuf2 family	-	Family
A	PF18077	Domain of unknown function (DUF5595) (DUF5595)	Domain of unknown function (DUF5595)	This domain is found in Nude C 80 (Ndc80) proteins which can be found in species such as Homo sapiens. Ndc80 protein complexes are a core component of the end-on attachment sites for kinetochore microtubules. Ndc80 is also known as Hec1, for highly e ...	This domain is found in Nude C 80 (Ndc80) proteins which can be found in species such as Homo sapiens. Ndc80 protein complexes are a core component of the end-on attachment sites for kinetochore microtubules. Ndc80 is also known as Hec1, for highly expressed in cancer 1 [1].	Domain
A	PF03801	HEC/Ndc80p family (Ndc80_HEC)	HEC/Ndc80p family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E	STU2	cytoskeletal protein binding microtubule binding protein binding binding tubulin binding microtubule plus end polymerase catalytic activity, acting on a protein transferase activity catalytic activity microtubule plus-end binding	cellular component organization organelle organization establishment or maintenance of microtubule cytoskeleton polarity establishment or maintenance of cytoskeleton polarity microtubule cytoskeleton organization cellular process microtubule-based process cellular component organization or biogenesis establishment or maintenance of cell polarity cytoskeleton organization mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment localization cellular component organization organelle organization establishment or maintenance of microtubule cytoskeleton polarity establishment or maintenance of cytoskeleton polarity microtubule cytoskeleton organization cellular process microtubule-based process cellular component organization or biogenesis establishment or maintenance of cell polarity cytoskeleton organization mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment localization chromosome localization organelle localization mitotic sister chromatid segregation cell cycle chromosome segregation cell cycle process mitotic nuclear division attachment of spindle microtubules to kinetochore sister chromatid biorientation organelle fission attachment of mitotic spindle microtubules to kinetochore chromosome organization sister chromatid segregation mitotic sister chromatid biorientation nuclear division mitotic cell cycle process nuclear chromosome segregation mitotic spindle organization microtubule cytoskeleton organization involved in mitosis spindle organization repair of kinetochore microtubule attachment defect repair of mitotic kinetochore microtubule attachment defect protein polymerization protein-containing complex organization microtubule polymerization cellular component biogenesis microtubule polymerization or depolymerization cellular component assembly protein-containing complex assembly supramolecular fiber organization microtubule nucleation	intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton spindle organelle membraneless organelle intracellular membraneless organelle spindle pole microtubule cytoskeleton chromosome chromosomal region kinetochore chromosome, centromeric region intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton spindle organelle membraneless organelle intracellular membraneless organelle spindle pole microtubule cytoskeleton chromosome chromosomal region kinetochore chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome cell periphery cell cortex cytoplasm microtubule organizing center spindle pole body polymeric cytoskeletal fiber spindle microtubule supramolecular fiber microtubule supramolecular polymer
D	SPC25 isoform 1,SPC25 isoform 1	-	localization centromere localization chromosome localization organelle localization centromere clustering macromolecule localization protein-containing complex localization cellular process cell division cell cycle chromosome segregation cell cycle process	Ndc80 complex protein-containing complex intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region Ndc80 complex protein-containing complex intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region supramolecular complex condensed chromosome membrane-bounded organelle nucleus intracellular membrane-bounded organelle
C	Spc24	identical protein binding protein binding binding	attachment of spindle microtubules to kinetochore sister chromatid biorientation chromosome organization sister chromatid segregation cellular component organization metaphase chromosome alignment localization organelle organization chromosome localization organelle localization nuclear chromosome segregation cellular process cellular component organization or biogenesis cell cycle attachment of spindle microtubules to kinetochore sister chromatid biorientation chromosome organization sister chromatid segregation cellular component organization metaphase chromosome alignment localization organelle organization chromosome localization organelle localization nuclear chromosome segregation cellular process cellular component organization or biogenesis cell cycle chromosome segregation cell cycle process centromere localization centromere clustering macromolecule localization protein-containing complex localization cell division	Ndc80 complex protein-containing complex intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region Ndc80 complex protein-containing complex intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region supramolecular complex condensed chromosome membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B	NUF2 isoform 1,NUF2 isoform 1	protein-containing complex binding binding	mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment cellular component organization localization chromosome localization organelle localization mitotic sister chromatid segregation cell cycle cellular component organization or biogenesis chromosome segregation cell cycle process mitotic nuclear division attachment of spindle microtubules to kinetochore mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment cellular component organization localization chromosome localization organelle localization mitotic sister chromatid segregation cell cycle cellular component organization or biogenesis chromosome segregation cell cycle process mitotic nuclear division attachment of spindle microtubules to kinetochore organelle fission attachment of mitotic spindle microtubules to kinetochore chromosome organization sister chromatid segregation organelle organization nuclear division mitotic cell cycle process nuclear chromosome segregation cellular process cell division microtubule cytoskeleton organization mitotic spindle organization microtubule-based process cytoskeleton organization microtubule cytoskeleton organization involved in mitosis spindle organization meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle meiotic cell cycle process meiotic nuclear division kinetochore organization	intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome microtubule organizing center intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome microtubule organizing center cytoskeleton spindle pole body microtubule cytoskeleton Ndc80 complex protein-containing complex outer kinetochore polymeric cytoskeletal fiber spindle spindle microtubule supramolecular fiber microtubule supramolecular polymer membrane-bounded organelle nucleus intracellular membrane-bounded organelle
A	NDC80 isoform 1,NDC80 isoform 1	identical protein binding protein binding binding	localization protein localization to kinetochore protein localization to chromosome protein localization to chromosome, centromeric region protein localization to condensed chromosome protein localization to organelle macromolecule localization intracellular protein localization mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment cellular component organization chromosome localization organelle localization localization protein localization to kinetochore protein localization to chromosome protein localization to chromosome, centromeric region protein localization to condensed chromosome protein localization to organelle macromolecule localization intracellular protein localization mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment cellular component organization chromosome localization organelle localization mitotic sister chromatid segregation cell cycle cellular component organization or biogenesis chromosome segregation cell cycle process mitotic nuclear division attachment of spindle microtubules to kinetochore organelle fission attachment of mitotic spindle microtubules to kinetochore chromosome organization sister chromatid segregation organelle organization nuclear division mitotic cell cycle process nuclear chromosome segregation cellular process cell division sister chromatid biorientation mitotic sister chromatid biorientation	intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome Ndc80 complex intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome Ndc80 complex protein-containing complex outer kinetochore membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E	IPR016024	Armadillo-type fold	Homologous Superfamily
E	IPR048491	XMAP215/Dis1/CLASP, TOG domain	Domain
E	IPR048492	Stu2, C-terminal segment	Domain
E	IPR034085	TOG domain	Domain
E	IPR021133	HEAT, type 2	Repeat
E	IPR011989	Armadillo-like helical	Homologous Superfamily
E	IPR045110	XMAP215	Family
D	IPR038066	Spc24, Fungi, globular domain superfamily	Homologous Superfamily
C	IPR013252	Kinetochore-Ndc80 subunit Spc24	Family
C	IPR038066	Spc24, Fungi, globular domain superfamily	Homologous Superfamily
B	IPR038275	Nuf2, N-terminal domain superfamily	Homologous Superfamily
B	IPR005549	Kinetochore protein Nuf2, N-terminal	Domain
A	IPR040967	Domain of unknown function DUF5595	Domain
A	IPR038273	Ndc80 domain superfamily	Homologous Superfamily
A	IPR005550	Kinetochore protein Ndc80	Family
A	IPR055260	Kinetochore protein Ndc80, CH domain	Domain

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.