Annotations: 6VRD

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribonuclease H-like	8075084	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)
A	RNase_H	e6vrdA1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: RNase_H	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00075	RNase H (RNase_H)	RNase H	RNase H digests the RNA strand of an RNA/DNA hybrid. Important enzyme in retroviral replication cycle, and often found as a domain associated with reverse transcriptases. Structure is a mixed alpha+beta fold with three a/b/a layers.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ribonuclease H1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding organic cyclic compound binding nucleic acid binding nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding organic cyclic compound binding nucleic acid binding nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity endonuclease activity RNA endonuclease activity, producing 5'-phosphomonoesters RNA-DNA hybrid ribonuclease activity RNA endonuclease activity endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters RNA binding	catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process nucleic acid catabolic process metabolic process macromolecule metabolic process organic substance catabolic process catabolic process RNA metabolic process primary metabolic process nucleic acid metabolic process macromolecule catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process nucleic acid catabolic process metabolic process macromolecule metabolic process organic substance catabolic process RNA catabolic process DNA replication, removal of RNA primer DNA metabolic process DNA replication	intracellular anatomical structure cytoplasm cellular anatomical entity
B	RNA (5'-R(UPGPGPCPGPAPGPUPGPGPGPUPGPAPGPUPGPAPGPG)-3')	-	-	-
C	RNA (5'-R((OMC)P(N7X)P(T39)P(C5L)P(A2M))-D(P(SC)P(PST)P(SC)P(AS)P(SC)P(SC)P(SC)P(AS)P(SC)P(PST))-R(P(6OO)P(RFJ)P(6OO)P(6OO)P(6NW))-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A	IPR037056	Ribonuclease H1, N-terminal domain superfamily	Homologous Superfamily
A	IPR002156	Ribonuclease H domain	Domain
A	IPR011320	Ribonuclease H1, N-terminal	Domain
A	IPR009027	Large ribosomal subunit protein bL9/RNase H1, N-terminal	Homologous Superfamily
A	IPR017067	Ribonuclease H1, eukaryote	Family
A	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O60930	progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 2 progressive external ophthalmoplegia adult-onset chronic progressive external ophthalmoplegia with mitochondrial myopathy muscle tissue disease osteosarcoma lung cancer muscular disease ovarian cancer psoriasis Mitochondrial Diseases myopathy

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.