2KW4 | pdb_00002kw4

Solution NMR Structure of the Holo Form of a Ribonuclease H domain from D.hafniense, Northeast Structural Genomics Consortium Target DhR1A

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		e2kw4A1	A: Alpha-beta plaits	X: Phage tail protein-like	H: Transmembrane protein 14A	T: Cytochrome_CBB3	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

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	Uncharacterized protein	endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism catalytic activity, acting on RNA RNA-DNA hybrid ribonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity RNA endonuclease activity catalytic activity binding nucleic acid binding cation binding endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism catalytic activity, acting on RNA RNA-DNA hybrid ribonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity RNA endonuclease activity catalytic activity binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

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

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.