Annotations: 4RG1

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Methyltrn_RNA_3_2nd	e4rg1B2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: Methyltrn_RNA_3_2nd	ECOD (1.6)
B	Methyltrn_RNA_3_1st	e4rg1B1	A: a/b three-layered sandwiches	X: alpha/beta knot (From Topology)	H: alpha/beta knot (From Topology)	T: alpha/beta knot	F: Methyltrn_RNA_3_1st	ECOD (1.6)
A	Methyltrn_RNA_3_2nd	e4rg1A2	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: Methyltrn_RNA_3_2nd	ECOD (1.6)
A	Methyltrn_RNA_3_1st	e4rg1A1	A: a/b three-layered sandwiches	X: alpha/beta knot (From Topology)	H: alpha/beta knot (From Topology)	T: alpha/beta knot	F: Methyltrn_RNA_3_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.1280.10	Alpha Beta	3-Layer(aba) Sandwich	Alpha/beta knot	SPOUT methyltransferase, trefoil knot domain	CATH (4.3.0)
B	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
A	3.40.1280.10	Alpha Beta	3-Layer(aba) Sandwich	Alpha/beta knot	SPOUT methyltransferase, trefoil knot domain	CATH (4.3.0)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02598	Putative RNA methyltransferase (Methyltrn_RNA_3)	Putative RNA methyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	C9orf114	cation binding binding ion binding S-adenosyl-L-methionine binding sulfur compound binding small molecule binding RNA methyltransferase activity rRNA methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid transferase activity rRNA (uridine-N3-)-methyltransferase activity catalytic activity, acting on a rRNA cation binding binding ion binding S-adenosyl-L-methionine binding sulfur compound binding small molecule binding RNA methyltransferase activity rRNA methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid transferase activity rRNA (uridine-N3-)-methyltransferase activity catalytic activity, acting on a rRNA S-adenosylmethionine-dependent methyltransferase activity rRNA (uridine) methyltransferase activity N-methyltransferase activity methyltransferase activity catalytic activity RNA binding nucleic acid binding regulatory RNA binding miRNA binding	localization cellular localization maintenance of centrosome location centrosome localization organelle localization microtubule organizing center localization cellular process maintenance of organelle location maintenance of location in cell maintenance of location ribonucleoprotein complex biogenesis rRNA methylation RNA metabolic process rRNA processing localization cellular localization maintenance of centrosome location centrosome localization organelle localization microtubule organizing center localization cellular process maintenance of organelle location maintenance of location in cell maintenance of location ribonucleoprotein complex biogenesis rRNA methylation RNA metabolic process rRNA processing rRNA modification nucleobase-containing compound metabolic process cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process macromolecule methylation RNA modification biosynthetic process methylation macromolecule modification metabolic process macromolecule metabolic process rRNA base methylation RNA methylation cell division regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation regulation of macromolecule metabolic process post-transcriptional regulation of gene expression regulation of gene expression regulation of macromolecule biosynthetic process regulation of metabolic process negative regulation of biological process negative regulation of cellular process negative regulation of macromolecule metabolic process negative regulation of metabolic process regulatory ncRNA processing regulatory ncRNA-mediated gene silencing negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process miRNA processing	intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome spindle pole centrosome intracellular anatomical structure intracellular membraneless organelle chromosome chromosomal region kinetochore intracellular organelle cellular anatomical structure organelle membraneless organelle chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome spindle pole centrosome spindle centrosome microtubule organizing center cytoskeleton spindle pole microtubule cytoskeleton cytoplasm mitotic spindle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR029026	tRNA (guanine-N1-)-methyltransferase, N-terminal	Homologous Superfamily
A, B	IPR003750	Putative RNA methyltransferase C9orf114-like	Family
A, B	IPR029028	Alpha/beta knot methyltransferases	Homologous Superfamily
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: Q5T280	allergic rhinitis subependymal giant cell astrocytoma 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.