2EA1 | pdb_00002ea1

Crystal structure of Ribonuclease I from Escherichia coli COMPLEXED WITH GUANYLYL-2(PRIME),5(PRIME)-GUANOSINE

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PAH	e2ea1A1	A: alpha bundles	X: Profilin-like	H: sensor domains	T: sensor domains	F: PAH	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.730.10	Alpha Beta	Alpha-Beta Complex	Ribonuclease Rh	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00445	Ribonuclease T2 family (Ribonuclease_T2)	Ribonuclease T2 family		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ribonuclease I	hydrolase activity catalytic activity 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 lyase activity ribonuclease T2 activity Enterobacter ribonuclease activity RNA binding binding hydrolase activity catalytic activity 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 lyase activity ribonuclease T2 activity Enterobacter ribonuclease activity RNA binding binding nucleic acid binding	catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process RNA catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR018188	Ribonuclease T2, His active site 1	Active Site
A	IPR039378	Ribonuclease T2, prokaryotic	Family
A	IPR001568	Ribonuclease T2-like	Family
A	IPR036430	Ribonuclease T2-like superfamily	Homologous Superfamily
A	IPR033130	Ribonuclease T2, His active site 2	Active Site

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.