2C1W

The structure of XendoU: a splicing independent snoRNA processing endoribonuclease

External Resource: Annotation

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

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2c1wa1	Alpha and beta proteins (a+b)	EndoU-like	EndoU-like	Eukaryotic EndoU ribonuclease	EndoU	AFRICAN CLAWED FROG (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
B	d2c1wb_	Alpha and beta proteins (a+b)	EndoU-like	EndoU-like	Eukaryotic EndoU ribonuclease	automated matches	AFRICAN CLAWED FROG (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
C	d2c1wc_	Alpha and beta proteins (a+b)	EndoU-like	EndoU-like	Eukaryotic EndoU ribonuclease	automated matches	AFRICAN CLAWED FROG (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	EndoU-like	8039090	3000687	SCOP2B (2022-06-29)
B	SCOP2 Family	Eukaryotic EndoU ribonuclease	8026711	4003360	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	EndoU-like	8039090	3000687	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	EndoU-like	8039090	3000687	SCOP2B (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	XendoU	e2c1wA1	A: a+b complex topology	X: RNase A-like	H: EndoU-like (From Topology)	T: EndoU-like	F: XendoU	ECOD (1.6)
B	XendoU	e2c1wB1	A: a+b complex topology	X: RNase A-like	H: EndoU-like (From Topology)	T: EndoU-like	F: XendoU	ECOD (1.6)
C	XendoU	e2c1wC1	A: a+b complex topology	X: RNase A-like	H: EndoU-like (From Topology)	T: EndoU-like	F: XendoU	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF09412	Endoribonuclease XendoU (XendoU)	Endoribonuclease XendoU	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	ENDOU PROTEIN	cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity lyase activity RNA binding organic cyclic compound binding nucleic acid binding	sno(s)RNA processing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process sno(s)RNA metabolic process ncRNA metabolic process organic substance biosynthetic process sno(s)RNA processing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process sno(s)RNA metabolic process ncRNA metabolic process organic substance biosynthetic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA processing	membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR037227	Endoribonuclease EndoU-like	Homologous Superfamily
A, B, C	IPR039787	Poly(U)-specific endoribonuclease	Family
A, B, C	IPR018998	EndoU ribonuclease, C-terminal	Domain

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.