3SRN | pdb_00003srn

STRUCTURAL CHANGES THAT ACCOMPANY THE REDUCED CATALYTIC EFFICIENCY OF TWO SEMISYNTHETIC RIBONUCLEASE ANALOGS

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)
B	d3srn.1	Alpha and beta proteins (a+b)	RNase A-like	RNase A-like	Ribonuclease A-like	Ribonuclease A (also ribonuclease B, S)	(Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
A	d3srn.1	Alpha and beta proteins (a+b)	RNase A-like	RNase A-like	Ribonuclease A-like	Ribonuclease A (also ribonuclease B, S)	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	RNase A-like	8038165	3001918	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		e3srnA01	A: alpha bundles	X: Rossmann-like	H: P-loop domains-related	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F:	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.130.10	Alpha Beta	Roll	P-30 Protein	Ribonuclease A-like domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00074	Pancreatic ribonuclease (RnaseA)	Pancreatic ribonuclease	Ribonucleases. Members include pancreatic RNAase A and angiogenins. Structure is an alpha+beta fold -- long curved beta sheet and three helices.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	RIBONUCLEASE A	phosphorus-oxygen lyase activity endonuclease activity nuclease activity ribonuclease A activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity lyase activity catalytic activity hydrolase activity binding nucleic acid binding	biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response defense response to Gram-positive bacterium response to external stimulus response to biotic stimulus defense response to bacterium response to bacterium response to stress response to external biotic stimulus	cellular anatomical structure extracellular region
A	RIBONUCLEASE A	phosphorus-oxygen lyase activity endonuclease activity nuclease activity ribonuclease A activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity lyase activity catalytic activity hydrolase activity binding nucleic acid binding	biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response defense response to Gram-positive bacterium response to external stimulus response to biotic stimulus defense response to bacterium response to bacterium response to stress response to external biotic stimulus	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR023412	Ribonuclease A-domain	Domain
B	IPR036816	Ribonuclease A-like domain superfamily	Homologous Superfamily
B	IPR001427	Pancreatic ribonuclease	Family
B	IPR023411	Ribonuclease A, active site	Active Site
A	IPR023412	Ribonuclease A-domain	Domain
A	IPR036816	Ribonuclease A-like domain superfamily	Homologous Superfamily
A	IPR001427	Pancreatic ribonuclease	Family
A	IPR023411	Ribonuclease A, active site	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.