Annotations: 4AJ5

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth A]	PF07160	e4aj5A1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
H [auth D]	PF07160	e4aj5D1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
F [auth B]	PF07160	e4aj5B1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
G [auth C]	PF07160	e4aj5C1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
I [auth E]	PF07160	e4aj5E1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
J [auth F]	PF07160	e4aj5F1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
K [auth G]	PF07160	e4aj5G1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
L [auth H]	PF07160	e4aj5H1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
M [auth I]	PF07160	e4aj5I1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)
N [auth J]	PF07160	e4aj5J1	A: alpha bundles	X: STAT-like	H: t-snare proteins (From Topology)	T: t-snare proteins	F: PF07160	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Provenance Source (Version)
B [auth 2]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
A [auth 1]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
AA [auth W]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
BA [auth X]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
C [auth 3]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
CA [auth Y]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
D [auth 4]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
DA [auth Z]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
Y [auth U]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
Z [auth V]	6.10.250.1400	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
E [auth A]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
H [auth D]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
F [auth B]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
G [auth C]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
I [auth E]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
J [auth F]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
K [auth G]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
L [auth H]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
M [auth I]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
N [auth J]	6.10.250.1370	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
Q [auth M]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
O [auth K]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
P [auth L]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
R [auth N]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
S [auth O]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
T [auth P]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
U [auth Q]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
V [auth R]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
W [auth S]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)
X [auth T]	6.10.250.1380	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], J [auth F], K [auth G], L [auth H], M [auth I], N [auth J]	PF07160	Spindle and kinetochore-associated protein 1 (SKA1)	Spindle and kinetochore-associated protein 1	-	Family
O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], T [auth P], U [auth Q], V [auth R], W [auth S], X [auth T]	PF16740	Spindle and kinetochore-associated protein 2 (SKA2)	Spindle and kinetochore-associated protein 2	Spindle and kinetochore-associated protein 2 (SKA2) interacts with the N-termini of SKA1 and SKA3 and forms the Ska complex [1]. This is a microtubule binding complex required for chromosome segregation [2-3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 1], AA [auth W], B [auth 2], BA [auth X], C [auth 3], A [auth 1], AA [auth W], B [auth 2], BA [auth X], C [auth 3], CA [auth Y], D [auth 4], DA [auth Z], Y [auth U], Z [auth V]	SPINDLE AND KINETOCHORE-ASSOCIATED PROTEIN 3	cytoskeletal protein binding microtubule binding protein binding binding tubulin binding	cellular process cell cycle mitotic cell cycle regulation of cytoskeleton organization regulation of microtubule polymerization or depolymerization regulation of biological process regulation of cellular component organization regulation of cellular process microtubule cytoskeleton organization biological regulation regulation of microtubule-based process regulation of organelle organization cellular component organization organelle organization cellular process cell cycle mitotic cell cycle regulation of cytoskeleton organization regulation of microtubule polymerization or depolymerization regulation of biological process regulation of cellular component organization regulation of cellular process microtubule cytoskeleton organization biological regulation regulation of microtubule-based process regulation of organelle organization cellular component organization organelle organization microtubule polymerization or depolymerization microtubule-based process cellular component organization or biogenesis cytoskeleton organization regulation of microtubule cytoskeleton organization establishment of organelle localization cellular localization mitotic metaphase chromosome alignment metaphase chromosome alignment localization chromosome localization organelle localization establishment of localization in cell mitotic sister chromatid segregation 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 establishment of localization nuclear division mitotic cell cycle process nuclear chromosome segregation establishment of chromosome localization cell division	intracellular anatomical structure chromosome cellular anatomical entity chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle centrosome intracellular anatomical structure chromosome cellular anatomical entity chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton cytoplasm cytosol polymeric cytoskeletal fiber spindle spindle microtubule supramolecular fiber microtubule supramolecular polymer mitotic spindle protein-containing complex outer kinetochore
E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], J [auth F], K [auth G], L [auth H], M [auth I], N [auth J]	SPINDLE AND KINETOCHORE-ASSOCIATED PROTEIN 1	cytoskeletal protein binding microtubule binding protein binding binding tubulin binding	cellular process cell cycle mitotic cell cycle regulation of cytoskeleton organization regulation of microtubule polymerization or depolymerization regulation of biological process regulation of cellular component organization regulation of cellular process microtubule cytoskeleton organization biological regulation regulation of microtubule-based process regulation of organelle organization cellular component organization organelle organization cellular process cell cycle mitotic cell cycle regulation of cytoskeleton organization regulation of microtubule polymerization or depolymerization regulation of biological process regulation of cellular component organization regulation of cellular process microtubule cytoskeleton organization biological regulation regulation of microtubule-based process regulation of organelle organization cellular component organization organelle organization microtubule polymerization or depolymerization microtubule-based process cellular component organization or biogenesis cytoskeleton organization regulation of microtubule cytoskeleton organization establishment of organelle localization cellular localization mitotic metaphase chromosome alignment metaphase chromosome alignment localization chromosome localization organelle localization establishment of localization in cell mitotic sister chromatid segregation 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 establishment of localization nuclear division mitotic cell cycle process nuclear chromosome segregation establishment of chromosome localization cell division	intercellular bridge cellular anatomical entity intracellular anatomical structure chromosome chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle intercellular bridge cellular anatomical entity intracellular anatomical structure chromosome chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle centrosome microtubule organizing center cytoskeleton centriolar satellite microtubule cytoskeleton cytoplasm cytosol polymeric cytoskeletal fiber spindle spindle microtubule supramolecular fiber microtubule supramolecular polymer mitotic spindle protein-containing complex outer kinetochore
O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], T [auth P], U [auth Q], V [auth R], W [auth S], X [auth T]	SPINDLE AND KINETOCHORE-ASSOCIATED PROTEIN 2	cytoskeletal protein binding microtubule binding protein binding binding tubulin binding	cellular process cell cycle mitotic cell cycle regulation of cytoskeleton organization regulation of microtubule polymerization or depolymerization regulation of biological process regulation of cellular component organization regulation of cellular process microtubule cytoskeleton organization biological regulation regulation of microtubule-based process regulation of organelle organization cellular component organization organelle organization cellular process cell cycle mitotic cell cycle regulation of cytoskeleton organization regulation of microtubule polymerization or depolymerization regulation of biological process regulation of cellular component organization regulation of cellular process microtubule cytoskeleton organization biological regulation regulation of microtubule-based process regulation of organelle organization cellular component organization organelle organization microtubule polymerization or depolymerization microtubule-based process cellular component organization or biogenesis cytoskeleton organization regulation of microtubule cytoskeleton organization establishment of organelle localization cellular localization mitotic metaphase chromosome alignment metaphase chromosome alignment localization chromosome localization organelle localization establishment of localization in cell mitotic sister chromatid segregation 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 establishment of localization nuclear division mitotic cell cycle process nuclear chromosome segregation establishment of chromosome localization cell division	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol chromosome chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome intracellular anatomical structure cytoplasm cellular anatomical entity cytosol chromosome chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle polymeric cytoskeletal fiber spindle spindle microtubule cytoskeleton supramolecular fiber microtubule supramolecular polymer microtubule cytoskeleton protein-containing complex outer kinetochore

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth 1], AA [auth W], B [auth 2], BA [auth X], C [auth 3], A [auth 1], AA [auth W], B [auth 2], BA [auth X], C [auth 3], CA [auth Y], D [auth 4], DA [auth Z], Y [auth U], Z [auth V]	IPR033341	Spindle and kinetochore-associated protein 3	Family
E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], J [auth F], K [auth G], L [auth H], M [auth I], N [auth J]	IPR009829	Spindle and kinetochore-associated protein 1	Family
E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], J [auth F], K [auth G], L [auth H], M [auth I], N [auth J]	IPR042031	SKA1 microtubule binding domain	Homologous Superfamily
O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], T [auth P], U [auth Q], V [auth R], W [auth S], X [auth T]	IPR026762	Spindle and kinetochore-associated protein 2	Family
O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], T [auth P], U [auth Q], V [auth R], W [auth S], X [auth T]	IPR042091	Ska2, N-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth 1], AA [auth W], B [auth 2], BA [auth X], C [auth 3], A [auth 1], AA [auth W], B [auth 2], BA [auth X], C [auth 3], CA [auth Y], D [auth 4], DA [auth Z], Y [auth U], Z [auth V]	Pharos: Q8IX90	atypical teratoid rhabdoid tumor glioblastoma lung adenocarcinoma non-small cell lung carcinoma breast cancer hepatocellular carcinoma malignant glioma primitive neuroectodermal tumor breast carcinoma large cell medulloblastoma medulloblastoma psoriasis
E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], J [auth F], K [auth G], L [auth H], M [auth I], N [auth J]	Pharos: Q96BD8	atypical teratoid rhabdoid tumor hepatocellular carcinoma malignant glioma primitive neuroectodermal tumor B-cell chronic lymphocytic leukemia large cell medulloblastoma medulloblastoma psoriasis glioblastoma lung cancer osteosarcoma
O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], O [auth K], P [auth L], Q [auth M], R [auth N], S [auth O], T [auth P], U [auth Q], V [auth R], W [auth S], X [auth T]	Pharos: Q8WVK7	breast cancer juvenile dermatomyositis medulloblastoma