Annotations: 4XAI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Hormone_recep	e4xaiA2	A: alpha arrays	X: Nuclear receptor ligand-binding domain (From Topology)	H: Nuclear receptor ligand-binding domain (From Topology)	T: Nuclear receptor ligand-binding domain	F: Hormone_recep	ECOD (1.6)
A	SBP_bac_1_C	e4xaiA1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_C	ECOD (1.6)
A	SBP_bac_1_N_2	e4xaiA3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_N_2	ECOD (1.6)
C [auth B]	Hormone_recep	e4xaiB4	A: alpha arrays	X: Nuclear receptor ligand-binding domain (From Topology)	H: Nuclear receptor ligand-binding domain (From Topology)	T: Nuclear receptor ligand-binding domain	F: Hormone_recep	ECOD (1.6)
C [auth B]	SBP_bac_1_C	e4xaiB1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_C	ECOD (1.6)
C [auth B]	SBP_bac_1_N_2	e4xaiB3	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: SBP_bac_1_N_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.565.10	Mainly Alpha	Orthogonal Bundle	Retinoid X Receptor	Retinoid X Receptor	CATH (utative)
C [auth B]	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (utative)
C [auth B]	1.10.565.10	Mainly Alpha	Orthogonal Bundle	Retinoid X Receptor	Retinoid X Receptor	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C [auth B]	PF01547	Bacterial extracellular solute-binding protein (SBP_bac_1)	Bacterial extracellular solute-binding protein	-	Family
A, C [auth B]	PF00104	Ligand-binding domain of nuclear hormone receptor (Hormone_recep)	Ligand-binding domain of nuclear hormone receptor	This all helical domain is involved in binding the hormone in these receptors.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C [auth B]	Maltose-binding periplasmic protein,Tailless ortholog	transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity oligosaccharide binding binding disaccharide binding carbohydrate binding maltose binding transcription regulator activity DNA-binding transcription factor activity cation binding transition metal ion binding zinc ion binding ion binding transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity oligosaccharide binding binding disaccharide binding carbohydrate binding maltose binding transcription regulator activity DNA-binding transcription factor activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding sequence-specific DNA binding DNA binding nucleic acid binding	localization transport carbohydrate transport oligosaccharide transport disaccharide transport establishment of localization maltose transport polysaccharide localization dextrin transport macromolecule localization maltodextrin transmembrane transport polysaccharide transport	ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope periplasmic space membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
B [auth P], D [auth Q]	Grunge, isoform J	transcription corepressor activity transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity transcription factor binding protein binding binding DNA-binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding deacetylase activity protein lysine deacetylase activity catalytic activity, acting on a protein transcription corepressor activity transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity transcription factor binding protein binding binding DNA-binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding deacetylase activity protein lysine deacetylase activity catalytic activity, acting on a protein hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides deacylase activity hydrolase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds histone deacetylase activity histone deacetylase activity, hydrolytic mechanism histone modifying activity catalytic activity	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 segmentation anatomical structure development pattern specification process regionalization segment specification behavior inter-male aggressive behavior aggressive behavior sensory organ development eye development animal organ development visual system development sensory system development system development imaginal disc morphogenesis imaginal disc-derived wing morphogenesis metamorphosis wing disc morphogenesis imaginal disc development instar larval or pupal morphogenesis post-embryonic animal morphogenesis post-embryonic development animal organ morphogenesis imaginal disc-derived wing vein morphogenesis appendage development post-embryonic appendage morphogenesis wing disc development instar larval or pupal development imaginal disc-derived appendage morphogenesis anatomical structure morphogenesis appendage morphogenesis imaginal disc-derived appendage development cellular response to stimulus response to stimulus signaling negative regulation of signaling negative regulation of ERBB signaling pathway regulation of signal transduction cell surface receptor protein tyrosine kinase signaling pathway negative regulation of cell communication cell communication regulation of epidermal growth factor receptor signaling pathway epidermal growth factor receptor signaling pathway signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling regulation of ERBB signaling pathway cell surface receptor signaling pathway negative regulation of response to stimulus negative regulation of signal transduction regulation of response to stimulus negative regulation of epidermal growth factor receptor signaling pathway ERBB signaling pathway regulation of cell communication transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II embryonic pattern specification embryo development muscle structure development somatic muscle development larval somatic muscle development larval development leg disc development leg disc morphogenesis imaginal disc-derived leg morphogenesis negative regulation of smoothened signaling pathway regulation of smoothened signaling pathway smoothened signaling pathway	intracellular organelle polytene chromosome interband cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle polytene chromosome chromosome chromosomal region membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth B]	IPR006060	Maltose/Cyclodextrin ABC transporter, substrate-binding protein	Family
A, C [auth B]	IPR006059	Bacterial-type extracellular solute-binding protein	Family
A, C [auth B]	IPR006061	Solute-binding family 1, conserved site	Conserved Site
A, C [auth B]	IPR050274	Nuclear hormone receptor family NR2 subfamily	Family
A, C [auth B]	IPR001723	Nuclear hormone receptor	Family
A, C [auth B]	IPR000536	Nuclear hormone receptor, ligand-binding domain	Domain
A, C [auth B]	IPR001628	Zinc finger, nuclear hormone receptor-type	Domain
A, C [auth B]	IPR035500	Nuclear hormone receptor-like domain superfamily	Homologous Superfamily
A, C [auth B]	IPR013088	Zinc finger, NHR/GATA-type	Homologous Superfamily
B [auth P], D [auth Q]	IPR009057	Homedomain-like superfamily	Homologous Superfamily
B [auth P], D [auth Q]	IPR002951	Atrophin-like	Family
B [auth P], D [auth Q]	IPR017884	SANT domain	Domain
B [auth P], D [auth Q]	IPR001005	SANT/Myb domain	Domain
B [auth P], D [auth Q]	IPR000949	ELM2 domain	Domain

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.