3AHS | pdb_00003ahs

Crystal Structure of Ustilago sphaerogena Ribonuclease U2B

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)
C	d3ahsc_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Fungal ribonucleases	RNase U2	(Ustilago sphaerogena ) [TaxId: 5271 ],	SCOPe (2.08)
B	d3ahsb_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Fungal ribonucleases	RNase U2	(Ustilago sphaerogena ) [TaxId: 5271 ],	SCOPe (2.08)
A	d3ahsa_	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)
C	SCOP2B Superfamily	Microbial ribonucleases	8033555	3001847	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Microbial ribonucleases	8033555	3001847	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Microbial ribonucleases	8033555	3001847	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)
C	Ribonuclease	e3ahsC1	A: a+b two layers	X: Microbial ribonucleases-like	H: Microbial ribonucleases (From Topology)	T: Microbial ribonucleases	F: Ribonuclease	ECOD (1.6)
B	Ribonuclease	e3ahsB1	A: a+b two layers	X: Microbial ribonucleases-like	H: Microbial ribonucleases (From Topology)	T: Microbial ribonucleases	F: Ribonuclease	ECOD (1.6)
A	Ribonuclease	e3ahsA1	A: a+b two layers	X: Microbial ribonucleases-like	H: Microbial ribonucleases (From Topology)	T: Microbial ribonucleases	F: Ribonuclease	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF00545	ribonuclease (Ribonuclease)	ribonuclease	This enzyme hydrolyses RNA and oligoribonucleotides.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Ribonuclease U2	lyase 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 RNA binding binding nucleic acid binding cation binding lyase 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 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, B, C	IPR000026	Guanine-specific ribonuclease N1-like	Family
A, B, C	IPR051386	Ribonuclease_N1/T1	Unknown
A, B, C	IPR016191	Ribonuclease/ribotoxin	Homologous Superfamily

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.