Annotations: 1RTU

USTILAGO SPHAEROGENA RIBONUCLEASE U2

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Structure Motif: Primary M-CSA Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1rtua_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Fungal ribonucleases	RNase U2	(Ustilago sphaerogena ) [TaxId: 5271 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Fungal ribonucleases	8021175	4001845	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Microbial ribonucleases	8033555	3001847	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	Ribonuclease	e1rtuA1	A: a+b two layers	X: Microbial ribonucleases-like	H: Microbial ribonucleases	T: Microbial ribonucleases	F: Ribonuclease	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.450.30	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	RIBONUCLEASE U2	hydrolase activity catalytic activity phosphorus-oxygen lyase activity endonuclease activity nuclease activity ribonuclease U2 activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity lyase activity RNA binding binding nucleic acid binding hydrolase activity catalytic activity phosphorus-oxygen lyase activity endonuclease activity nuclease activity ribonuclease U2 activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity lyase activity RNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000026	Guanine-specific ribonuclease N1-like	Family
A	IPR016191	Ribonuclease/ribotoxin	Homologous Superfamily

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	ribonuclease U2 M-CSA #908	Catalyses the two-stage endonucleolytic cleavage of nucleoside 3'-phosphates and 3'-phosphooligonucleotides ending in A-P or G-P with 2',3'-cyclic phosphate intermediates. The enzyme contains an isoaspartate residue.	Defined by 4 residues: HIS:A-41GLU:A-62ARG:A-85HIS:A-101 \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 4.6.1.20 (UniProt) Search M-CSA Motif + EC 4.6.1.20

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