Annotations: 1OA8

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1oa8a_	All beta proteins	AXH domain	AXH domain	AXH domain	Ataxin-1	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d1oa8d_	All beta proteins	AXH domain	AXH domain	AXH domain	Ataxin-1	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d1oa8c_	All beta proteins	AXH domain	AXH domain	AXH domain	Ataxin-1	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1oa8b_	All beta proteins	AXH domain	AXH domain	AXH domain	Ataxin-1	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	SCOP2 Family	AXH domain	8024987	4000942	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	AXH domain	8037366	3000204	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	AXH domain	8037366	3000204	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	AXH domain	8037366	3000204	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	AXH domain	8037366	3000204	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	AXH	e1oa8A1	A: beta complex topology	X: Hedgehog/intein (From Homology)	H: Hedgehog/intein	T: AXH	F: AXH	ECOD (1.6)
D	AXH	e1oa8D1	A: beta complex topology	X: Hedgehog/intein (From Homology)	H: Hedgehog/intein	T: AXH	F: AXH	ECOD (1.6)
C	AXH	e1oa8C1	A: beta complex topology	X: Hedgehog/intein (From Homology)	H: Hedgehog/intein	T: AXH	F: AXH	ECOD (1.6)
B	AXH	e1oa8B1	A: beta complex topology	X: Hedgehog/intein (From Homology)	H: Hedgehog/intein	T: AXH	F: AXH	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF08517	Ataxin-1 and HBP1 module (AXH) (AXH)	Ataxin-1 and HBP1 module (AXH)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	ATAXIN-1	chromatin binding binding RNA binding nucleic acid binding DNA binding poly(G) binding poly-purine tract binding single-stranded RNA binding poly-pyrimidine tract binding poly(U) RNA binding protein binding POZ domain binding protein domain specific binding identical protein binding	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process developmental process multicellular organism development multicellular organismal process head development central nervous system development anatomical structure development animal organ development brain development nervous system development system development adult locomotory behavior behavior adult behavior locomotory behavior system process learning learning or memory nervous system process cognition transcription by RNA polymerase II memory RNA processing cellular response to stimulus cell surface receptor signaling pathway response to stimulus signaling insulin-like growth factor receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway cell communication signal transduction enzyme-linked receptor protein signaling pathway response to light stimulus visual learning visual behavior associative learning response to radiation response to abiotic stimulus regulation of postsynaptic membrane potential chemical synaptic transmission, postsynaptic synaptic signaling regulation of biological quality trans-synaptic signaling cell-cell signaling chemical synaptic transmission anterograde trans-synaptic signaling excitatory postsynaptic potential regulation of membrane potential localization cellular localization nucleocytoplasmic transport transport nuclear transport establishment of localization in cell intracellular transport nuclear export establishment of localization biological process involved in intraspecies interaction between organisms social behavior negative regulation of signaling regulation of signal transduction negative regulation of cell communication regulation of insulin-like growth factor receptor signaling pathway regulation of signaling negative regulation of response to stimulus negative regulation of insulin-like growth factor receptor signaling pathway negative regulation of signal transduction regulation of response to stimulus regulation of cell communication regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II positive regulation of nervous system development cellular developmental process regulation of developmental process positive regulation of cell population proliferation positive regulation of biological process cell development regulation of neurogenesis regulation of cell differentiation regulation of gliogenesis positive regulation of glial cell proliferation positive regulation of gliogenesis regulation of cell development regulation of nervous system development positive regulation of developmental process neurogenesis regulation of glial cell proliferation gliogenesis positive regulation of cell differentiation cell differentiation regulation of multicellular organismal process positive regulation of neurogenesis positive regulation of cellular process regulation of multicellular organismal development cell population proliferation positive regulation of cell development regulation of cell population proliferation positive regulation of multicellular organismal process glial cell proliferation positive regulation of DNA-templated transcription positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process tube development respiratory tube development lung development respiratory system development lung alveolus development	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle nuclear lumen nuclear matrix intracellular membraneless organelle nucleolus membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle nuclear lumen nuclear matrix intracellular membraneless organelle nucleolus membraneless organelle cytoplasm cytosol nucleoplasm protein-containing complex inclusion body nuclear inclusion body postsynapse synapse cell junction

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR003652	Ataxin, AXH domain	Domain
A, B, C, D	IPR043404	ATAXIN1-like	Family
A, B, C, D	IPR020997	Ataxin-1, N-terminal	Domain
A, B, C, D	IPR036096	Ataxin, AXH domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: P54253	spinocerebellar ataxia type 1 neurodegenerative disease autosomal dominant cerebellar ataxia retinal disease atrial fibrillation medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia rheumatoid arthritis spinocerebellar ataxia type 4 amyotrophic lateral sclerosis spinocerebellar ataxia type 7 atypical teratoid rhabdoid tumor cerebellar ataxia tuberculosis spinocerebellar ataxia type 1 neurodegenerative disease autosomal dominant cerebellar ataxia retinal disease atrial fibrillation medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia rheumatoid arthritis spinocerebellar ataxia type 4 amyotrophic lateral sclerosis spinocerebellar ataxia type 7 atypical teratoid rhabdoid tumor cerebellar ataxia tuberculosis Degenerative Diseases, Central Nervous System glioblastoma large cell medulloblastoma malignant glioma ovarian cancer primitive neuroectodermal tumor spinocerebellar ataxia type 5 astrocytic tumor subependymal giant cell astrocytoma hepatocellular carcinoma lung cancer malignant mesothelioma pancreatic intraductal papillary-mucinous carcinoma spinocerebellar ataxia type 2 spinocerebellar ataxia type 6 B-cell chronic lymphocytic leukemia systemic lupus erythematosus cystic fibrosis dermatomyositis hereditary ataxia malignant ependymoma

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.