1RN1 | pdb_00001rn1

THREE-DIMENSIONAL STRUCTURE OF GLN 25-RIBONUCLEASE T1 AT 1.84 ANGSTROMS RESOLUTION: STRUCTURAL VARIATIONS AT THE BASE RECOGNITION AND CATALYTIC SITES

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	d1rn1a_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Fungal ribonucleases	RNase T1	(Aspergillus oryzae ) [TaxId: 5062 ],	SCOPe (2.08)
B	d1rn1b_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Fungal ribonucleases	RNase T1	(Aspergillus oryzae ) [TaxId: 5062 ],	SCOPe (2.08)
C	d1rn1c_	Alpha and beta proteins (a+b)	Microbial ribonucleases	Microbial ribonucleases	Fungal ribonucleases	RNase T1	(Aspergillus oryzae ) [TaxId: 5062 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Microbial ribonucleases	8033542	3001847	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Microbial ribonucleases	8033542	3001847	SCOP2B (2022-06-29)
C	SCOP2 Family	Fungal ribonucleases	8021162	4001845	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Microbial ribonucleases	8033542	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		e1rn1A1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: DUF3197	F:	ECOD (20:10:01)
B		e1rn1B1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: DUF3197	F:	ECOD (20:10:01)
C		e1rn1C1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: DUF3197	F:	ECOD (20:10:01)

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)
B	3.10.450.30	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
C	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 T1 ISOZYME	phosphorus-oxygen lyase activity endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity ribonuclease T1 activity lyase activity catalytic activity hydrolase activity RNA binding binding nucleic acid binding	-	cellular anatomical structure cell tip cell pole hyphal tip site of polarized growth cell septum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR000026	Guanine-specific ribonuclease N1-like	Family
A, B, C	IPR016191	Ribonuclease/ribotoxin	Homologous Superfamily
A, B, C	IPR048269	Ribonuclease ribotoxin, alpha-sarcin type	Family

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.