2CA1 | pdb_00002ca1

Crystal structure of the IBV coronavirus nucleocapsid

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2ca1a1	Alpha and beta proteins (a+b)	Nucleocapsid protein dimerization domain	Nucleocapsid protein dimerization domain	Coronavirus nucleocapsid protein	Coronavirus nucleocapsid protein	(Infectious bronchitis virus ) [TaxId: 11120 ],	SCOPe (2.08)
B	d2ca1b_	Alpha and beta proteins (a+b)	Nucleocapsid protein dimerization domain	Nucleocapsid protein dimerization domain	Coronavirus nucleocapsid protein	Coronavirus nucleocapsid protein	(Infectious bronchitis virus ) [TaxId: 11120 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Coronavirus nucleocapsid protein dimerization domain	8080128	4003799	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleocapsid protein dimerization domain	8080129	3001606	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Nucleocapsid protein dimerization domain	8080129	3001606	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	Thaumatin	e2ca1A1	A: a/b three-layered sandwiches	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: Thaumatin	ECOD (v294.1)
B	Thaumatin	e2ca1B1	A: a/b three-layered sandwiches	X: Ntn/PP2C	H: Ntn	T: Penicillin acylase, catalytic domain	F: Thaumatin	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00937	Coronavirus nucleocapsid (CoV_nucleocap)	Coronavirus nucleocapsid	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	NUCLEOCAPSID PROTEIN	RNA binding binding nucleic acid binding identical protein binding protein binding	-	host intracellular membrane-bounded organelle host cellular component host intracellular part other organism part host cell cytoplasm part host intracellular organelle host cell endoplasmic reticulum-Golgi intermediate compartment cellular anatomical structure host cell cytoplasm host cell part host intracellular region protein-containing complex ribonucleoprotein complex viral nucleocapsid host intracellular membrane-bounded organelle host cellular component host intracellular part other organism part host cell cytoplasm part host intracellular organelle host cell endoplasmic reticulum-Golgi intermediate compartment cellular anatomical structure host cell cytoplasm host cell part host intracellular region protein-containing complex ribonucleoprotein complex viral nucleocapsid viral capsid virion component host cell Golgi apparatus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001218	Nucleocapsid protein, coronavirus	Family
A, B	IPR044344	Nucleocapsid (N) protein, C-terminal domain, coronavirus	Domain
A, B	IPR042547	Nucleocapsid protein, gammacoronavirus	Family
A, B	IPR037195	Nucleocapsid protein, N-terminal	Homologous Superfamily
A, B	IPR037179	Nucleocapsid protein, C-terminal	Homologous Superfamily
A, B	IPR044345	Nucleocapsid (N) protein, N-terminal domain, coronavirus	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.