Annotations: 2W4B

Epstein-Barr virus alkaline nuclease D203S mutant

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)
B	YgbB	e2w4bB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: YgbB	ECOD (v295)
A	YgbB	e2w4bA1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: YgbB	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.120.860	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Herpesvirus alkaline exonuclease, N-terminal domain	CATH (4.3.0)
A	1.20.120.860	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Herpesvirus alkaline exonuclease, N-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01771	Viral alkaline exonuclease (Viral_alk_exo)	Viral alkaline exonuclease	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ALKALINE EXONUCLEASE	hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on a nucleic acid hydrolase activity exonuclease activity catalytic activity DNA binding binding nucleic acid binding endonuclease activity RNA binding	symbiont-mediated perturbation of host defense response symbiont-mediated suppression of host immune response biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host immune response symbiont-mediated suppression of host antigen processing and presentation modulation of process of another organism symbiont-mediated suppression of host adaptive immune response biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host cellular process symbiont-mediated degradation of host mRNA symbiont-mediated perturbation of host gene expression symbiont-mediated suppression of host gene expression	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle host cell cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011335	Restriction endonuclease type II-like	Homologous Superfamily
A, B	IPR034720	Viral alkaline exonuclease	Family
A, B	IPR001616	Alkaline exonuclease-like	Family

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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.