4LJX | pdb_00004ljx

Crystal structure of an AT-rich interactive domain-containing protein 3A (ARID3A) from Homo sapiens at 2.21 A resolution

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)
B	d4ljxb_	All alpha proteins	DNA/RNA-binding 3-helical bundle	ARID-like	ARID domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d4ljxa_	All alpha proteins	DNA/RNA-binding 3-helical bundle	ARID-like	ARID domain	automated matches	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)
B	SCOP2B Superfamily	ARID-like	8062155	3001026	SCOP2B (2022-06-29)
A	SCOP2 Family	ARID domain	8062154	4000681	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ARID-like	8062155	3001026	SCOP2 (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	ARID	e4ljxB1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: ARID	ECOD (1.6)
A	ARID	e4ljxA1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: ARID	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.150.60	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
A	1.10.150.60	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01388	ARID/BRIGHT DNA binding domain (ARID)	ARID/BRIGHT DNA binding domain	This domain is know as ARID for AT-Rich Interaction Domain [1], and also known as the BRIGHT domain [3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	AT-rich interactive domain-containing protein 3A	DNA binding binding nucleic acid binding transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity chromatin binding identical protein binding protein binding	regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of biosynthetic process regulation of biological process regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of biosynthetic process regulation of biological 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 cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process positive regulation of DNA-templated transcription positive regulation of biological process 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 cellular process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane microdomain membrane raft membrane membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane microdomain membrane raft membrane membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR045147	AT-rich interactive domain-containing protein 3	Family
A, B	IPR023334	REKLES domain	Domain
A, B	IPR001606	ARID DNA-binding domain	Domain
A, B	IPR036431	ARID DNA-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q99856	age-related macular degeneration malignant pancreatic neoplasm wet macular degeneration exocrine pancreatic carcinoma osteosarcoma malignant mesothelioma primary biliary cholangitis

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.