2M41

Solution Structure of the AXH domain of Ataxin-1 in complex with ligand peptide from Capicua

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
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)
B	AXH	e2m41B1	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
B	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	Protein capicua homolog	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 transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding transcription regulatory region nucleic acid 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 behavior system process learning learning or memory nervous system process cognition biological process involved in intraspecies interaction between organisms social behavior transcription by RNA polymerase II regulation of transcription by RNA polymerase II memory	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle intracellular membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen membraneless organelle intracellular membraneless organelle membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle intracellular membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen membraneless organelle intracellular membraneless organelle chromatin chromosome
B	Ataxin-1	DNA binding binding organic cyclic compound binding nucleic acid binding RNA binding poly(G) binding poly-purine tract binding single-stranded RNA binding poly-pyrimidine tract binding poly(U) RNA binding identical protein binding 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 localization cellular localization nucleocytoplasmic transport transport nuclear transport establishment of localization in cell intracellular transport nuclear export establishment of localization behavior system process learning learning or memory nervous system process cognition biological process involved in intraspecies interaction between organisms social behavior memory transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II RNA processing	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 periphery nuclear lumen nuclear matrix intracellular membraneless organelle 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 periphery nuclear lumen nuclear matrix intracellular membraneless organelle nucleolus membraneless organelle cytoplasm cytosol inclusion body nuclear inclusion body nucleoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR032147	Domain of unknown function DUF4819	Domain
A	IPR052412	Cell Cycle and Developmental Transcription Regulators	Family
A	IPR009071	High mobility group box domain	Domain
A	IPR036910	High mobility group box domain superfamily	Homologous Superfamily
B	IPR043404	ATAXIN1-like	Family
B	IPR020997	Ataxin-1, N-terminal	Domain
B	IPR003652	Ataxin, AXH domain	Domain
B	IPR036096	Ataxin, AXH domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q96RK0	intellectual disability Neoplasm Metastasis psoriasis spinocerebellar ataxia type 2 spinocerebellar ataxia type 6 autism spectrum disorder cerebellar ataxia Hodgkins lymphoma sarcoma spinocerebellar ataxia type 4 spinocerebellar ataxia type 7 prostate carcinoma spinocerebellar ataxia type 1 spinocerebellar ataxia type 5 attention deficit hyperactivity disorder, inattentive type intellectual disability Neoplasm Metastasis psoriasis spinocerebellar ataxia type 2 spinocerebellar ataxia type 6 autism spectrum disorder cerebellar ataxia Hodgkins lymphoma sarcoma spinocerebellar ataxia type 4 spinocerebellar ataxia type 7 prostate carcinoma spinocerebellar ataxia type 1 spinocerebellar ataxia type 5 attention deficit hyperactivity disorder, inattentive type autosomal dominant cerebellar ataxia glioma intellectual disability, autosomal dominant 45
B	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 amyotrophic lateral sclerosis spinocerebellar ataxia type 4 spinocerebellar ataxia type 7 atypical teratoid rhabdoid tumor tuberculosis cerebellar ataxia 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 amyotrophic lateral sclerosis spinocerebellar ataxia type 4 spinocerebellar ataxia type 7 atypical teratoid rhabdoid tumor tuberculosis cerebellar ataxia Degenerative Diseases, Central Nervous System glioblastoma large cell medulloblastoma malignant glioma ovarian cancer primitive neuroectodermal tumor astrocytic tumor spinocerebellar ataxia type 5 subependymal giant cell astrocytoma hepatocellular carcinoma lung cancer malignant mesothelioma pancreatic intraductal papillary-mucinous carcinoma spinocerebellar ataxia type 2 spinocerebellar ataxia type 6 systemic lupus erythematosus B-cell chronic lymphocytic leukemia 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.