4GEQ

Crystal structure of the Spc24-Spc25/Cnn1 binding interface

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	RWD domain-like	8041316	3000774	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	RWD domain-like	8041316	3000774	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	RWD domain-like	8041319	3000774	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	RWD domain-like	8041319	3000774	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)
A	Spindle_Spc25_like	e4geqA1	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)
C	Spindle_Spc25_like	e4geqC1	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)
B	Spc24	e4geqB1	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: Spc24	ECOD (1.6)
D	Spc24	e4geqD1	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: Spc24	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.457.50	Alpha Beta	2-Layer Sandwich	Copper Amine Oxidase	Chain A, domain 1	CATH (4.3.0)
C	3.30.457.50	Alpha Beta	2-Layer Sandwich	Copper Amine Oxidase	Chain A, domain 1	CATH (4.3.0)
B	3.30.160.430	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain		CATH (4.3.0)
D	3.30.160.430	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF08286	Spc24 subunit of Ndc80 (Spc24)	Spc24 subunit of Ndc80	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Kinetochore protein SPC25	-	localization centromere localization chromosome localization organelle localization centromere clustering protein-containing complex localization cellular process cell division cell cycle chromosome segregation cell cycle process	Ndc80 complex protein-containing complex intracellular anatomical structure chromosome cellular anatomical entity chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region supramolecular complex Ndc80 complex protein-containing complex intracellular anatomical structure chromosome cellular anatomical entity chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B, D	Kinetochore protein SPC24	identical protein binding protein binding binding	establishment of organelle localization cellular localization attachment of spindle microtubules to kinetochore sister chromatid biorientation chromosome organization sister chromatid segregation establishment of localization cellular component organization metaphase chromosome alignment localization organelle organization chromosome localization organelle localization establishment of localization in cell nuclear chromosome segregation establishment of organelle localization cellular localization attachment of spindle microtubules to kinetochore sister chromatid biorientation chromosome organization sister chromatid segregation establishment of localization cellular component organization metaphase chromosome alignment localization organelle organization chromosome localization organelle localization establishment of localization in cell nuclear chromosome segregation cellular process cellular component organization or biogenesis cell cycle establishment of chromosome localization chromosome segregation cell cycle process centromere localization centromere clustering protein-containing complex localization cell division	Ndc80 complex protein-containing complex intracellular anatomical structure chromosome cellular anatomical entity chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region supramolecular complex Ndc80 complex protein-containing complex intracellular anatomical structure chromosome cellular anatomical entity chromosomal region kinetochore intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome, centromeric region outer kinetochore condensed chromosome, centromeric region supramolecular complex condensed chromosome non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
E, F	Kinetochore-associated protein CNN1	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding organic cyclic compound binding centromeric DNA binding nucleic acid binding protein-containing complex binding	negative regulation of kinetochore assembly regulation of cellular component organization regulation of cellular process regulation of centromere complex assembly non-membrane-bounded organelle assembly negative regulation of biological process negative regulation of organelle assembly cellular component organization cellular component biogenesis protein-DNA complex organization regulation of protein-containing complex assembly negative regulation of chromosome organization cellular component assembly negative regulation of cellular process protein-containing complex assembly negative regulation of kinetochore assembly regulation of cellular component organization regulation of cellular process regulation of centromere complex assembly non-membrane-bounded organelle assembly negative regulation of biological process negative regulation of organelle assembly cellular component organization cellular component biogenesis protein-DNA complex organization regulation of protein-containing complex assembly negative regulation of chromosome organization cellular component assembly negative regulation of cellular process protein-containing complex assembly kinetochore organization cellular component organization or biogenesis regulation of biological process negative regulation of cellular component organization organelle assembly protein-containing complex organization biological regulation chromosome organization protein-DNA complex assembly regulation of chromosome organization regulation of kinetochore assembly regulation of cellular component biogenesis regulation of organelle organization negative regulation of protein-containing complex assembly organelle organization negative regulation of organelle organization kinetochore assembly regulation of organelle assembly cellular process centromere complex assembly cell division cell cycle chromosome segregation cell cycle process	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 membrane-bounded organelle 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 membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR038066	Spc24, Fungi, globular domain superfamily	Homologous Superfamily
B, D	IPR013252	Kinetochore-Ndc80 subunit Spc24	Family
B, D	IPR038066	Spc24, Fungi, globular domain superfamily	Homologous Superfamily

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.