Annotations: 4XCX

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Methyltransf_11_6	e4xcxA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_11_6	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13489	Methyltransferase domain (Methyltransf_23)	Methyltransferase domain	This family appears to be a methyltransferase domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Small RNA 2'-O-methyltransferase	O-methyltransferase activity transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity RNA methyltransferase activity catalytic activity, acting on RNA small RNA 2'-O-methyltransferase activity catalytic activity, acting on a nucleic acid RNA 2'-O-methyltransferase activity RNA binding binding organic cyclic compound binding nucleic acid binding O-methyltransferase activity transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity RNA methyltransferase activity catalytic activity, acting on RNA small RNA 2'-O-methyltransferase activity catalytic activity, acting on a nucleic acid RNA 2'-O-methyltransferase activity RNA binding binding organic cyclic compound binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process RNA processing negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process RNA processing negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process nucleic acid metabolic process siRNA processing regulatory ncRNA processing regulatory ncRNA-mediated gene silencing regulation of cellular biosynthetic process regulation of gene expression organic cyclic compound metabolic process negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process macromolecule methylation RNA modification methylation macromolecule modification RNA methylation piRNA processing	intracellular anatomical structure P granule cytoplasmic ribonucleoprotein granule germ plasm cellular anatomical entity ribonucleoprotein granule intracellular organelle organelle pole plasm intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure P granule cytoplasmic ribonucleoprotein granule germ plasm cellular anatomical entity ribonucleoprotein granule intracellular organelle organelle pole plasm intracellular non-membrane-bounded organelle cytoplasm supramolecular complex non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A	IPR026610	3'-RNA ribose 2'-O-methyltransferase, Hen1	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q5T8I9	astrocytic tumor glioblastoma medulloblastoma pancreatic intraductal papillary-mucinous neoplasm Sjogren syndrome atypical teratoid rhabdoid tumor large cell medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia breast cancer malignant glioma pancreatic intraductal papillary-mucinous carcinoma primitive neuroectodermal tumor

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.