2JUB | pdb_00002jub

Solution structure of IPI*

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	T4 IPI-like	8046788	4005300	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	T4 IPI-like	8103642	3002800	SCOP2 (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	IPI_T4	e2jubA1	A: beta barrels	X: Internal protein I (From Topology)	H: Internal protein I (From Topology)	T: Internal protein I	F: IPI_T4	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.160.860	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain		CATH (4.3.0)
A	2.20.25.370	Mainly Beta	Single Sheet	N-terminal domain of TfIIb	Ipi1, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF11634	Nuclease inhibitor from bacteriophage T4 (IPI_T4)	Nuclease inhibitor from bacteriophage T4	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Internal protein I	endonuclease activity catalytic activity, acting on a nucleic acid hydrolase activity DNA nuclease activity restriction endodeoxyribonuclease activity DNA endonuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on DNA nuclease activity type IV site-specific deoxyribonuclease activity catalytic activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR024373	Bacteriophage T4, IpI	Family
A	IPR038569	Bacteriophage T4, IpI C-terminal domain superfamily	Homologous Superfamily

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.