1LGQ

Crystal structure of the FHA domain of the Chfr mitotic checkpoint protein

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1lgqa1	All beta proteins	SMAD/FHA domain	SMAD/FHA domain	FHA domain	Cell cycle checkpoint protein Chfr	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1lgqa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1lgqb1	All beta proteins	SMAD/FHA domain	SMAD/FHA domain	FHA domain	Cell cycle checkpoint protein Chfr	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1lgqb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SMAD/FHA domain-like	8041287	3000137	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SMAD/FHA domain-like	8041287	3000137	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	FHA	e1lgqA1	A: beta sandwiches	X: SMAD/FHA domain (From Topology)	H: SMAD/FHA domain (From Topology)	T: SMAD/FHA domain	F: FHA	ECOD (1.6)
B	FHA	e1lgqB1	A: beta sandwiches	X: SMAD/FHA domain (From Topology)	H: SMAD/FHA domain (From Topology)	T: SMAD/FHA domain	F: FHA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.200.20	Mainly Beta	Sandwich	Tumour Suppressor Smad4		CATH (4.3.0)
B	2.60.200.20	Mainly Beta	Sandwich	Tumour Suppressor Smad4		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00498	FHA domain (FHA)	FHA domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	cell cycle checkpoint protein CHFR	binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity transferase activity catalytic activity ubiquitin-protein transferase activity ubiquitin-like protein ligase activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity transferase activity catalytic activity ubiquitin-protein transferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity cation binding ion binding metal ion binding	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process organic substance metabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process protein catabolic process macromolecule catabolic process organic substance metabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process organic substance catabolic process protein polyubiquitination protein ubiquitination macromolecule modification post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal protein destabilization regulation of protein stability biological regulation regulation of biological quality cellular process cell division regulation of protein modification process positive regulation of protein metabolic process positive regulation of biological process regulation of protein ubiquitination positive regulation of post-translational protein modification regulation of primary metabolic process positive regulation of metabolic process positive regulation of protein modification process positive regulation of macromolecule metabolic process regulation of protein modification by small protein conjugation or removal positive regulation of protein modification by small protein conjugation or removal positive regulation of protein ubiquitination regulation of biological process regulation of post-translational protein modification regulation of protein metabolic process regulation of macromolecule metabolic process regulation of metabolic process cellular response to stimulus regulation of cellular process regulation of cell cycle phase transition response to stimulus signaling G2/M transition of mitotic cell cycle negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle mitotic G2/M transition checkpoint cell communication regulation of mitotic cell cycle negative regulation of cellular process negative regulation of cell cycle phase transition signal transduction cell cycle regulation of cell cycle cell cycle process cell cycle G2/M phase transition negative regulation of mitotic cell cycle phase transition regulation of G2/M transition of mitotic cell cycle regulation of cell cycle process regulation of cell cycle G2/M phase transition negative regulation of cell cycle process cell cycle checkpoint signaling regulation of mitotic cell cycle phase transition mitotic cell cycle checkpoint signaling mitotic cell cycle process negative regulation of cell cycle G2/M phase transition negative regulation of G2/M transition of mitotic cell cycle mitotic cell cycle phase transition positive regulation of proteasomal protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process regulation of ubiquitin-dependent protein catabolic process positive regulation of ubiquitin-dependent protein catabolic process regulation of proteolysis regulation of proteolysis involved in protein catabolic process proteasomal protein catabolic process regulation of catabolic process positive regulation of protein catabolic process positive regulation of proteolysis involved in protein catabolic process positive regulation of catabolic process regulation of proteasomal ubiquitin-dependent protein catabolic process positive regulation of proteolysis regulation of proteasomal protein catabolic process positive regulation of proteasomal ubiquitin-dependent protein catabolic process regulation of protein catabolic process meiotic chromosome segregation regulation of reproductive process spindle checkpoint signaling regulation of metaphase/anaphase transition of meiotic cell cycle chromosome segregation regulation of meiotic cell cycle meiotic cell cycle sister chromatid segregation regulation of chromosome organization negative regulation of meiotic chromosome separation regulation of organelle organization regulation of chromosome separation negative regulation of meiotic cell cycle phase transition negative regulation of meiotic cell cycle meiotic spindle checkpoint signaling regulation of chromosome segregation regulation of metaphase/anaphase transition of cell cycle regulation of cellular component organization sexual reproduction reproductive process regulation of meiotic chromosome separation negative regulation of metaphase/anaphase transition of meiotic cell cycle meiotic cell cycle process cellular component organization meiotic nuclear division metaphase/anaphase transition of meiotic cell cycle cellular component organization or biogenesis negative regulation of chromosome separation meiotic chromosome separation organelle fission regulation of meiotic cell cycle phase transition chromosome organization meiotic cell cycle checkpoint signaling nuclear division organelle organization negative regulation of chromosome segregation meiotic cell cycle phase transition chromosome separation negative regulation of reproductive process regulation of sister chromatid segregation negative regulation of metaphase/anaphase transition of cell cycle nuclear chromosome segregation metaphase/anaphase transition of cell cycle	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity membrane-enclosed lumen intracellular organelle lumen nuclear body nucleoplasm organelle lumen PML body nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017907	Zinc finger, RING-type, conserved site	Conserved Site
A, B	IPR008984	SMAD/FHA domain superfamily	Homologous Superfamily
A, B	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
A, B	IPR000253	Forkhead-associated (FHA) domain	Domain
A, B	IPR040909	E3 ubiquitin-protein ligase CHFR, cysteine rich domain with multizinc binding	Domain
A, B	IPR001841	Zinc finger, RING-type	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q96EP1	endometrial carcinoma non-small cell lung carcinoma attention deficit hyperactivity disorder, inattentive type gastric neoplasm malignant mesothelioma osteosarcoma progressive supranuclear palsy central nervous system cancer Endometrial Neoplasms glioblastoma ovarian cancer endometrial cancer gastric cancer hereditary diffuse gastric adenocarcinoma Pick disease

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.