Annotations: 2IPX

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2ipxa_	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	automated matches	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)
A	SCOP2 Family	Fibrillarin homologue	8063657	4000661	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8063658	3000118	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)
A	Fibrillarin	e2ipxA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Fibrillarin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (4.3.0)
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	PF01269	Fibrillarin (Fibrillarin)	Fibrillarin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	rRNA 2'-O-methyltransferase fibrillarin	TFIID-class transcription factor complex binding transcription factor binding basal transcription machinery binding protein-containing complex binding protein binding binding basal RNA polymerase II transcription machinery binding general transcription initiation factor binding RNA polymerase II general transcription initiation factor binding catalytic activity, acting on a protein transferase activity, transferring one-carbon groups protein-glutamine N-methyltransferase activity transferase activity S-adenosylmethionine-dependent methyltransferase activity TFIID-class transcription factor complex binding transcription factor binding basal transcription machinery binding protein-containing complex binding protein binding binding basal RNA polymerase II transcription machinery binding general transcription initiation factor binding RNA polymerase II general transcription initiation factor binding catalytic activity, acting on a protein transferase activity, transferring one-carbon groups protein-glutamine N-methyltransferase activity transferase activity S-adenosylmethionine-dependent methyltransferase activity histone methyltransferase activity N-methyltransferase activity protein methyltransferase activity histone modifying activity methyltransferase activity catalytic activity histone H2A methyltransferase activity histone H2AQ104 methyltransferase activity RNA methyltransferase activity rRNA methyltransferase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a rRNA RNA binding organic cyclic compound binding nucleic acid binding O-methyltransferase activity U6 snRNA 2'-O-ribose methyltransferase activity small RNA 2'-O-methyltransferase activity RNA 2'-O-methyltransferase activity ATPase binding enzyme binding	developmental process multicellular organismal process cellular developmental process ossification cell differentiation cellular process osteoblast differentiation localization macromolecule localization snoRNA localization RNA localization ribonucleoprotein complex biogenesis cellular biosynthetic process cellular metabolic process developmental process multicellular organismal process cellular developmental process ossification cell differentiation cellular process osteoblast differentiation localization macromolecule localization snoRNA localization RNA localization ribonucleoprotein complex biogenesis cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process rRNA processing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process biosynthetic process metabolic process macromolecule metabolic process cellular component organization or biogenesis RNA processing rRNA metabolic process ribosomal small subunit biogenesis sno(s)RNA metabolic process box C/D sno(s)RNA 3'-end processing RNA 3'-end processing sno(s)RNA processing box C/D sno(s)RNA metabolic process box C/D sno(s)RNA processing sno(s)RNA 3'-end processing rRNA methylation rRNA modification macromolecule methylation RNA modification methylation macromolecule modification RNA methylation	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane granular component extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle nucleoplasm box C/D methylation guide snoRNP complex protein-containing complex sno(s)RNA-containing ribonucleoprotein complex ribonucleoprotein complex box C/D RNP complex Cajal body nuclear body preribosome small-subunit processome fibrillar center

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR020813	Fibrillarin, conserved site	Conserved Site
A	IPR000692	rRNA 2'-O-methyltransferase fibrillarin-like	Family
A	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P22087	breast carcinoma autoimmune disease osteosarcoma primitive neuroectodermal tumor Adenocarcinoma of Lung breast cancer invasive ductal breast carcinoma lung cancer medulloblastoma pancreatic intraductal papillary-mucinous neoplasm atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma lymphoplasmacytic lymphoma myopathy breast carcinoma autoimmune disease osteosarcoma primitive neuroectodermal tumor Adenocarcinoma of Lung breast cancer invasive ductal breast carcinoma lung cancer medulloblastoma pancreatic intraductal papillary-mucinous neoplasm atypical teratoid rhabdoid tumor glioblastoma large cell medulloblastoma lymphoplasmacytic lymphoma myopathy plasma cell myeloma cutaneous lupus erythematosus Hodgkins lymphoma lung adenocarcinoma malignant glioma

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.