4IZK

Crystal structure of yellowtail ascites virus VP4 protease active site mutant (K674A) reveals both an acyl-enzyme complex and an empty active site

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Birnavirus VP4 protease-like	8049478	4006521	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribosomal protein S5 domain 2-like	8053556	3000100	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Ribosomal protein S5 domain 2-like	8053556	3000100	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	Birna_VP4_1st	e4izkA3	A: a+b two layers	X: Ribosomal protein S5 domain 2-like (From Topology)	H: Ribosomal protein S5 domain 2-like (From Topology)	T: Ribosomal protein S5 domain 2-like	F: Birna_VP4_1st	ECOD (1.6)
A	Birna_VP4_2nd	e4izkA2	A: a/b three-layered sandwiches	X: C-terminal subdomain in Lon-related proteases catalytic domains (From Topology)	H: C-terminal subdomain in Lon-related proteases catalytic domains (From Topology)	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Birna_VP4_2nd	ECOD (1.6)
B	Birna_VP4_1st	e4izkB3	A: a+b two layers	X: Ribosomal protein S5 domain 2-like (From Topology)	H: Ribosomal protein S5 domain 2-like (From Topology)	T: Ribosomal protein S5 domain 2-like	F: Birna_VP4_1st	ECOD (1.6)
B	Birna_VP4_2nd	e4izkB2	A: a/b three-layered sandwiches	X: C-terminal subdomain in Lon-related proteases catalytic domains (From Topology)	H: C-terminal subdomain in Lon-related proteases catalytic domains (From Topology)	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: Birna_VP4_2nd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.230.110	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)
B	3.30.230.110	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Yellowtail Ascites Virus (YAV) VP4 protease	structural molecule activity peptidase activity serine hydrolase activity catalytic activity, acting on a protein serine-type peptidase activity hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	viral capsid virion component intracellular anatomical structure cytoplasm cellular anatomical entity host cellular component host intracellular part host cell cytoplasm host cell part host intracellular region
B	Yellowtail Ascites Virus (YAV) VP4 protease	structural molecule activity peptidase activity serine hydrolase activity catalytic activity, acting on a protein serine-type peptidase activity hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	viral capsid virion component intracellular anatomical structure cytoplasm cellular anatomical entity host cellular component host intracellular part host cell cytoplasm host cell part host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029053	Viral coat protein subunit	Homologous Superfamily
A	IPR043048	Birnavirus VP3, domain 1	Homologous Superfamily
A	IPR025775	Birnavirus VP4 protease domain	Domain
A	IPR043049	Birnavirus VP3, domain 2	Homologous Superfamily
A	IPR002662	Birnavirus VP2 protein	Family
A	IPR002663	Birnavirus VP3 protein	Family
B	IPR029053	Viral coat protein subunit	Homologous Superfamily
B	IPR043048	Birnavirus VP3, domain 1	Homologous Superfamily
B	IPR025775	Birnavirus VP4 protease domain	Domain
B	IPR043049	Birnavirus VP3, domain 2	Homologous Superfamily
B	IPR002662	Birnavirus VP2 protein	Family
B	IPR002663	Birnavirus VP3 protein	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	CSO	Parent Component: CYS RESID: AA0205 PSI-MOD : L-cysteine sulfenic acid MOD:00210

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 R01GM133198.