Annotations: 7LPY

Crystal structures and ribonuclease activity of the Flavivirus host factor ERI3 that is involved in viral RNA synthesis define the ERI subfamily of structure-specific 3-prime - 5-prime exoribonucleases

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Ribonuclease H-like	8087265	3000143	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Ribonuclease H-like	8087265	3000143	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)
B	LHC	e7lpyB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: LHC	ECOD (v295.2)
A	LHC	e7lpyA1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: LHC	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00929	Exonuclease (RNase_T)	Exonuclease	This family includes a variety of exonuclease proteins, such as ribonuclease T and the epsilon subunit of DNA polymerase III.;	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ERI1 exoribonuclease 3	3'-5'-RNA exonuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA exonuclease activity, producing 5'-phosphomonoesters 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exonuclease activity catalytic activity RNA binding binding 3'-5'-RNA exonuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA exonuclease activity, producing 5'-phosphomonoesters 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exonuclease activity catalytic activity RNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	regulation of cellular process negative regulation of biological process negative regulation of heterochromatin formation positive regulation of macromolecule biosynthetic process cellular component biogenesis positive regulation of metabolic process cellular component assembly chromatin organization positive regulation of macromolecule metabolic process regulation of heterochromatin formation regulation of biological process regulation of chromatin organization negative regulation of cellular component organization negative regulation of metabolic process regulation of cellular process negative regulation of biological process negative regulation of heterochromatin formation positive regulation of macromolecule biosynthetic process cellular component biogenesis positive regulation of metabolic process cellular component assembly chromatin organization positive regulation of macromolecule metabolic process regulation of heterochromatin formation regulation of biological process regulation of chromatin organization negative regulation of cellular component organization negative regulation of metabolic process heterochromatin organization negative regulation of regulatory ncRNA-mediated heterochromatin formation regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process negative regulation of gene expression, epigenetic macromolecule metabolic process regulation of metabolic process regulation of cellular component organization positive regulation of biological process regulation of regulatory ncRNA-mediated heterochromatin formation negative regulation of chromatin organization cellular component organization regulation of gene silencing by regulatory ncRNA positive regulation of biosynthetic process negative regulation of cellular process chromatin remodeling cellular component organization or biogenesis positive regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process heterochromatin formation epigenetic regulation of gene expression negative regulation of gene silencing by regulatory ncRNA biological regulation regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulatory ncRNA-mediated gene silencing regulatory ncRNA-mediated heterochromatin formation positive regulation of gene expression negative regulation of biosynthetic process regulation of heterochromatin organization cellular process negative regulation of heterochromatin organization ribonucleoprotein complex biogenesis exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) RNA metabolic process rRNA processing nucleobase-containing compound metabolic process RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process RNA 3'-end processing RNA processing rRNA metabolic process maturation of 5.8S rRNA primary metabolic process nucleobase-containing compound biosynthetic process nucleic acid metabolic process maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) rRNA 3'-end processing	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B	IPR013520	Ribonuclease H-like domain	Domain
A, B	IPR047201	ERI-1-like, DEDDh 3'-5' exonuclease domain	Domain
A, B	IPR051274	3'-5' Exoribonuclease	Family
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	: O43414	rheumatoid arthritis

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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.