Annotations: 2QUQ

Crystal Structure of the Essential Inner Kinetochore Protein Cep3p

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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	Cep3/Upc2 domain-like	8093129	3002679	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	ARM repeat-like	8093131	3000116	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	Aminotran_4	e2quqA1	A: alpha arrays	X: Immunoglobulin-like beta-sandwich	H: a+b domain in D-aminoacid aminotransferase-like PLP-dependent enzymes	T: a+b domain in D-aminoacid aminotransferase-like PLP-dependent enzymes	F: Aminotran_4	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF16846	Centromere DNA-binding protein complex CBF3 subunit B (Cep3)	Centromere DNA-binding protein complex CBF3 subunit B	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Centromere DNA-binding protein complex CBF3 subunit B	DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding centromeric DNA binding nucleic acid binding DNA binding, bending cation binding transition metal ion binding zinc ion binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding centromeric DNA binding nucleic acid binding DNA binding, bending cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding identical protein binding protein binding	organelle assembly protein-containing complex organization chromosome organization membraneless organelle assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly kinetochore assembly protein-containing complex assembly kinetochore organization cellular process cellular component organization or biogenesis cellular response to stimulus organelle assembly protein-containing complex organization chromosome organization membraneless organelle assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly kinetochore assembly protein-containing complex assembly kinetochore organization cellular process cellular component organization or biogenesis cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition response to stimulus negative regulation of biological process spindle checkpoint signaling negative regulation of cell cycle regulation of mitotic nuclear division intracellular signal transduction negative regulation of mitotic cell cycle cell communication negative regulation of mitotic sister chromatid segregation negative regulation of chromosome organization negative regulation of cell cycle phase transition mitotic spindle checkpoint signaling signal transduction cell cycle mitotic sister chromatid separation chromosome segregation negative regulation of sister chromatid segregation mitotic spindle assembly checkpoint signaling regulation of biological process negative regulation of cellular component organization regulation of cell cycle process sister chromatid segregation regulation of chromosome organization regulation of organelle organization regulation of mitotic cell cycle phase transition regulation of mitotic sister chromatid segregation mitotic cell cycle process regulation of chromosome separation negative regulation of mitotic nuclear division regulation of chromosome segregation regulation of cellular component organization regulation of mitotic sister chromatid separation regulation of metaphase/anaphase transition of cell cycle signaling spindle assembly checkpoint signaling cell cycle phase transition regulation of mitotic metaphase/anaphase transition mitotic cell cycle regulation of mitotic cell cycle negative regulation of cellular process mitotic sister chromatid segregation negative regulation of mitotic metaphase/anaphase transition regulation of cell cycle negative regulation of chromosome separation cell cycle process mitotic nuclear division negative regulation of mitotic cell cycle phase transition organelle fission biological regulation negative regulation of cell cycle process cell cycle checkpoint signaling mitotic cell cycle checkpoint signaling nuclear division negative regulation of chromosome segregation negative regulation of nuclear division negative regulation of organelle organization chromosome separation regulation of sister chromatid segregation negative regulation of mitotic sister chromatid separation regulation of nuclear division negative regulation of metaphase/anaphase transition of cell cycle nuclear chromosome segregation metaphase/anaphase transition of mitotic cell cycle metaphase/anaphase transition of cell cycle mitotic cell cycle phase transition septin ring organization septin ring assembly septin cytoskeleton organization cytoskeleton 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 membrane-bounded organelle 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 membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex CBF3 complex intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR050613	Sec_Metabolite_Reg	Unknown
A	IPR036864	Zn(2)-C6 fungal-type DNA-binding domain superfamily	Homologous Superfamily
A	IPR031760	Centromere DNA-binding protein complex CBF3 subunit B, C-terminal	Domain
A	IPR001138	Zn(2)Cys(6) fungal-type DNA-binding domain	Domain

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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.