3N4X | pdb_00003n4x

Structure of Csm1 full-length

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)
D	SCOP2B Superfamily	RWD domain-like	8103665	3000774	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	RWD domain-like	8103665	3000774	SCOP2B (2022-06-29)
B	SCOP2 Family	Csm1-like	8047644	4005731	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	RWD domain-like	8103665	3000774	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	RWD domain-like	8103665	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)
D	FAN1_HTH	e3n4xD1	A: a/b three-layered sandwiches	X: Inserted helical domain in fatty acid synthase subunit beta	H: Voltage-gated ion channels	T: Voltage-gated ion channels	F: FAN1_HTH	ECOD (v294.1)
C	Usher	e3n4xC1	A: a/b three-layered sandwiches	X: Inserted helical domain in fatty acid synthase subunit beta	H: Voltage-gated ion channels	T: Voltage-gated ion channels	F: Usher	ECOD (v294.1)
B	FAN1_HTH	e3n4xB1	A: a/b three-layered sandwiches	X: Inserted helical domain in fatty acid synthase subunit beta	H: Voltage-gated ion channels	T: Voltage-gated ion channels	F: FAN1_HTH	ECOD (v294.1)
A	PilN	e3n4xA3	A: a/b three-layered sandwiches	X: Alpha-beta plaits	H: Pseudouridine synthase	T: Pseudouridine synthase	F: PilN	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.20.5.340	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
D	3.90.1150.80	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
C	1.20.5.340	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
C	3.90.1150.80	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
B	1.20.5.340	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
B	3.90.1150.80	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)
A	1.20.5.340	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
A	3.90.1150.80	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF12539	Chromosome segregation protein Csm1/Pcs1 (Csm1)	Chromosome segregation protein Csm1/Pcs1	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Monopolin complex subunit CSM1	microtubule site clamp protein-macromolecule adaptor activity molecular adaptor activity identical protein binding protein binding binding	chromosome organization sister chromatid cohesion meiotic sister chromatid cohesion, centromeric cellular component organization centromeric sister chromatid cohesion organelle organization cellular process cellular component organization or biogenesis cell cycle meiotic sister chromatid cohesion cell cycle process protein localization to nucleolar rDNA repeats localization nucleus organization chromosome organization sister chromatid cohesion meiotic sister chromatid cohesion, centromeric cellular component organization centromeric sister chromatid cohesion organelle organization cellular process cellular component organization or biogenesis cell cycle meiotic sister chromatid cohesion cell cycle process protein localization to nucleolar rDNA repeats localization nucleus organization protein localization to chromosome nucleolus organization protein localization to organelle macromolecule localization intracellular protein localization mitotic metaphase chromosome alignment mitotic cell cycle metaphase chromosome alignment chromosome localization organelle localization mitotic sister chromatid segregation chromosome segregation mitotic nuclear division attachment of spindle microtubules to kinetochore organelle fission attachment of mitotic spindle microtubules to kinetochore sister chromatid segregation nuclear division mitotic cell cycle process nuclear chromosome segregation meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle meiotic cell cycle process meiosis I meiosis I cell cycle process meiotic nuclear division homologous chromosome segregation rDNA chromatin condensation nucleolar chromatin organization chromatin organization chromosome condensation attachment of meiotic spindle microtubules to kinetochore meiotic metaphase I homologous chromosome alignment spindle attachment to meiosis I kinetochore meiotic metaphase chromosome alignment meiosis II cell cycle process chromosome organization involved in meiotic cell cycle meiotic sister chromatid segregation meiosis II	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen chromosome, centromeric core domain chromosome, centromeric region chromosome chromosomal region organelle envelope nuclear envelope endomembrane system monopolin complex protein-containing complex kinetochore condensed chromosome, centromeric region supramolecular complex condensed chromosome mitotic spindle cytoskeleton spindle microtubule cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR038608	Csm1/Pcs1, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR041671	Csm1 N-terminal domain	Domain
A, B, C, D	IPR020981	Monopolin complex subunit Csm1/Pcs1, C-terminal	Domain
A, B, C, D	IPR040349	Monopolin complex subunit Csm1/Pcs1	Family

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.