Annotations: 3ZFQ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	N-terminal protease Npro-like	8054134	3002278	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	Peptidase_C53	e3zfqA1	A: beta barrels	X: Pestivirus Npro endopeptidase C53 (From Topology)	H: Pestivirus Npro endopeptidase C53 (From Topology)	T: Pestivirus Npro endopeptidase C53	F: Peptidase_C53	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.140.40	Mainly Beta	Roll	Spermidine Synthase	Chain: A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF05550	Pestivirus Npro endopeptidase C53 (Peptidase_C53)	Pestivirus Npro endopeptidase C53	Unique to pestiviruses, the N-terminal protein encoded by the bovine viral diarrhoea virus genome is a cysteine protease (Npro) responsible for a self-cleavage that releases the N terminus of the core protein. This unique protease is dispensable fo ...	Unique to pestiviruses, the N-terminal protein encoded by the bovine viral diarrhoea virus genome is a cysteine protease (Npro) responsible for a self-cleavage that releases the N terminus of the core protein. This unique protease is dispensable for viral replication, and its coding region can be replaced by a ubiquitin gene directly fused in frame to the core.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	N-TERMINAL PROTEASE NPRO	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity	viral gene expression viral protein processing viral process proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms response to stimulus symbiont-mediated suppression of host pathogen-associated molecular pattern receptor signaling pathway response to biotic stimulus viral gene expression viral protein processing viral process proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms response to stimulus symbiont-mediated suppression of host pathogen-associated molecular pattern receptor signaling pathway response to biotic stimulus biological process involved in symbiotic interaction symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host process symbiont-mediated suppression of host defenses symbiont-mediated perturbation of host innate immune response response to host response to external biotic stimulus symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism symbiont-mediated perturbation of host defense response response to host defenses response to other organism symbiont-mediated perturbation of host immune response symbiont-mediated perturbation of host defenses response to defenses of other organism response to external stimulus biological process involved in interaction with host symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of cytoplasmic pattern recognition receptor signaling pathway	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR042542	Peptidase C53, pestivirus Npro, interaction domain	Homologous Superfamily
A	IPR008751	Peptidase C53, pestivirus Npro	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.