1NT2

CRYSTAL STRUCTURE OF FIBRILLARIN/NOP5P COMPLEX

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1nt2a_	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	Fibrillarin homologue	Fibrillarin homologue	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
B	d1nt2b_	All alpha proteins	Nop domain	Nop domain	Nop domain	Nop5p	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	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	8021206	4000661	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8033586	3000118	SCOP2 (2022-06-29)
B	SCOP2 Family	Nop domain	8021208	4003814	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Nop domain	8033588	3001551	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	e1nt2A1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Fibrillarin	ECOD (1.6)
B	Nop_C	e1nt2B2	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: Nop C-terminal domain	F: Nop_C	ECOD (1.6)
B	SIK1	e1nt2B3	A: alpha complex topology	X: Nop N-terminal domain (From Topology)	H: Nop N-terminal domain (From Topology)	T: Nop N-terminal domain	F: SIK1	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)
B	3.30.2150.10	Alpha Beta	2-Layer Sandwich	S-adenosyl-L-methionine-dependent methyltransferases	Fibrillarin homologue	CATH (4.3.0)
B	1.10.287.660	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Helix hairpin bin	CATH (4.3.0)
B	1.10.246.90	Mainly Alpha	Orthogonal Bundle	Serum Albumin	Chain A, Domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01269	Fibrillarin (Fibrillarin)	Fibrillarin	-	Domain
B	PF01798	snoRNA binding domain, fibrillarin (Nop)	snoRNA binding domain, fibrillarin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Fibrillarin-like pre-rRNA processing protein	transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding	methylation metabolic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis ribosome biogenesis organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process methylation metabolic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis ribosome biogenesis organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process ncRNA metabolic process nucleic acid catabolic process cellular process macromolecule metabolic process tRNA metabolic process tRNA processing	-
B	conserved hypothetical protein	RNA binding binding organic cyclic compound binding snoRNA binding nucleic acid binding	-	preribosome protein-containing complex ribonucleoprotein complex small-subunit processome box C/D methylation guide snoRNP complex sno(s)RNA-containing ribonucleoprotein complex box C/D RNP complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000692	rRNA 2'-O-methyltransferase fibrillarin-like	Family
A	IPR020813	Fibrillarin, conserved site	Conserved Site
A	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
B	IPR042239	Nop, C-terminal domain	Homologous Superfamily
B	IPR036070	Nop domain superfamily	Homologous Superfamily
B	IPR045056	Nucleolar protein Nop56/Nop58	Family
B	IPR002687	Nop domain	Domain
B	IPR029012	Helix hairpin bin domain superfamily	Homologous Superfamily

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.