Annotations: 6FDN

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Rio2_N	e6fdnA1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Rio2_N	ECOD (1.6)
A	RIO1	e6fdnA2	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: RIO1	ECOD (1.6)
B	Rio2_N	e6fdnB2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Rio2_N	ECOD (1.6)
B	RIO1	e6fdnB1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: RIO1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (utative)
B	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (utative)
B	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01163	RIO domain (RIO1)	RIO domain	This is the atypical serine kinase domain found in RIO family of proteins and related sequences, which is conserved in archaea, bacteria and eukaryotes [5,6]. Activity of Rio1 is vital in Saccharomyces cerevisiae for the processing of ribosomal RNA, ...	This is the atypical serine kinase domain found in RIO family of proteins and related sequences, which is conserved in archaea, bacteria and eukaryotes [5,6]. Activity of Rio1 is vital in Saccharomyces cerevisiae for the processing of ribosomal RNA, as well as for proper cell cycle progression and chromosome maintenance. The structure of RIO1 has been determined [4]. This domain is also found at the C-terminal of EKC/KEOPS complex subunit BUD32 from Fungi and Kae1/Bud32 from archaea [6].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Serine/threonine-protein kinase RIO2	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein serine/threonine kinase activity cation binding metal ion binding protein serine kinase activity	regulation of chromosome segregation regulation of cell cycle phase transition regulation of cellular process regulation of metaphase/anaphase transition of cell cycle regulation of cellular component organization cell cycle phase transition regulation of mitotic metaphase/anaphase transition mitotic cell cycle cellular component organization regulation of mitotic cell cycle cell cycle cellular component organization or biogenesis regulation of cell cycle chromosome segregation regulation of chromosome segregation regulation of cell cycle phase transition regulation of cellular process regulation of metaphase/anaphase transition of cell cycle regulation of cellular component organization cell cycle phase transition regulation of mitotic metaphase/anaphase transition mitotic cell cycle cellular component organization regulation of mitotic cell cycle cell cycle cellular component organization or biogenesis regulation of cell cycle chromosome segregation cell cycle process regulation of biological process regulation of cell cycle process biological regulation chromosome organization sister chromatid segregation regulation of chromosome organization regulation of organelle organization regulation of mitotic cell cycle phase transition organelle organization mitotic cell cycle process regulation of sister chromatid segregation nuclear chromosome segregation metaphase/anaphase transition of mitotic cell cycle cellular process metaphase/anaphase transition of cell cycle mitotic cell cycle phase transition ribonucleoprotein complex biogenesis positive regulation of biological process RNA metabolic process rRNA processing positive regulation of rRNA processing regulation of primary metabolic process nucleobase-containing compound metabolic process cellular component biogenesis RNA biosynthetic process positive regulation of metabolic process ribosome biogenesis nucleic acid biosynthetic process regulation of RNA metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process RNA processing rRNA metabolic process positive regulation of cellular process regulation of biosynthetic process positive regulation of nucleobase-containing compound metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process regulation of rRNA processing macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process ribosomal small subunit biogenesis maturation of SSU-rRNA establishment of organelle localization regulation of localization cellular localization nucleocytoplasmic transport transport positive regulation of nucleocytoplasmic transport positive regulation of ribosomal small subunit export from nucleus nuclear transport localization positive regulation of ribosomal subunit export from nucleus ribosomal small subunit export from nucleus organelle localization establishment of localization in cell positive regulation of intracellular transport nuclear export ribosome localization positive regulation of ribonucleoprotein complex localization ribonucleoprotein complex localization regulation of intracellular transport regulation of ribosomal small subunit export from nucleus regulation of ribonucleoprotein complex localization regulation of transport ribosomal subunit export from nucleus intracellular transport regulation of ribosomal subunit export from nucleus regulation of nucleocytoplasmic transport establishment of localization positive regulation of transport regulation of cellular localization protein phosphorylation protein autophosphorylation phosphorylation macromolecule modification phosphate-containing compound metabolic process protein metabolic process protein modification process phosphorus metabolic process	preribosome protein-containing complex ribonucleoprotein complex preribosome, small subunit precursor cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle preribosome protein-containing complex ribonucleoprotein complex preribosome, small subunit precursor cellular anatomical structure intracellular anatomical structure cytoplasm cytosol 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	IPR018935	RIO kinase, conserved site	Conserved Site
A, B	IPR030484	Serine/threonine-protein kinase Rio2	Domain
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A, B	IPR015285	RIO2 kinase winged helix domain, N-terminal	Domain
A, B	IPR018934	RIO-type domain	Domain
A, B	IPR000687	RIO kinase	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q9BVS4	Conventional (Clear Cell) Renal Cell Carcinoma ovarian cancer lung cancer osteosarcoma

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.