Annotations: 9N55

X-ray Crystallographic Structure of Lipid-bound Orf9b Homodimer

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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)
B	SCOP2B Superfamily	SARS coronavirus ORF9b-like	8093324	3000925	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	SARS coronavirus ORF9b-like	8093324	3000925	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)
B	Beta-Casp	e9n55B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Beta-Casp	ECOD (v294.2)
A	Beta-Casp	e9n55A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Beta-Casp	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF09399	Betacoronavirus lipid binding protein (bCoV_lipid_BD)	Betacoronavirus lipid binding protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ORF9b protein	molecular sequestering activity protein sequestering activity identical protein binding protein binding binding	symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host pathogen-associated molecular pattern receptor signaling pathway symbiont-mediated perturbation of host immune response biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host process symbiont-mediated perturbation of host innate immune response symbiont-mediated perturbation of host signal transduction pathway symbiont-mediated perturbation of host defense response symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of MAVS activity biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host pathogen-associated molecular pattern receptor signaling pathway symbiont-mediated perturbation of host immune response biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of host immune response symbiont-mediated suppression of host innate immune response symbiont-mediated perturbation of host process symbiont-mediated perturbation of host innate immune response symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism symbiont-mediated suppression of cytoplasmic pattern recognition receptor signaling pathway regulation of cellular component organization regulation of cellular process regulation of developmental process negative regulation of biological process cellular component organization negative regulation of cellular process anatomical structure development cellular component organization or biogenesis regulation of anatomical structure morphogenesis mitochondrion organization developmental process regulation of biological process negative regulation of cellular component organization negative regulation of developmental process organelle fission biological regulation mitochondrial fission regulation of organelle organization anatomical structure morphogenesis organelle organization negative regulation of organelle organization negative regulation of mitochondrial fission regulation of mitochondrial fission regulation of mitochondrion organization cellular process regulation of defense response regulation of response to biotic stimulus negative regulation of response to biotic stimulus response to stimulus regulation of response to external stimulus response to biotic stimulus regulation of defense response to virus response to stress regulation of response to stress response to external biotic stimulus response to virus negative regulation of response to stimulus defense response response to other organism response to external stimulus defense response to virus regulation of response to stimulus negative regulation of response to external stimulus negative regulation of defense response negative regulation of defense response to virus positive regulation of organelle organization catabolic process positive regulation of cellular component organization macroautophagy positive regulation of vacuole organization autophagy positive regulation of biological process autophagosome organization regulation of autophagy cellular component biogenesis positive regulation of metabolic process cellular component assembly positive regulation of autophagosome assembly positive regulation of macroautophagy process utilizing autophagic mechanism positive regulation of cellular process positive regulation of autophagy autophagosome assembly organelle assembly vacuole organization positive regulation of cellular component biogenesis regulation of autophagosome assembly regulation of catabolic process regulation of vacuole organization regulation of cellular component biogenesis positive regulation of catabolic process regulation of macroautophagy regulation of organelle assembly metabolic process regulation of metabolic process positive regulation of organelle assembly symbiont-mediated suppression of host interferon-mediated signaling pathway symbiont-mediated suppression of host type I interferon-mediated signaling pathway	host intracellular membrane-bounded organelle host cellular component host intracellular part other organism part host cell mitochondrion host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host intracellular region membrane-bounded organelle mitochondrial membrane intracellular anatomical structure host intracellular membrane-bounded organelle host cellular component host intracellular part other organism part host cell mitochondrion host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell cytoplasm host cell part host intracellular region membrane-bounded organelle mitochondrial membrane intracellular anatomical structure mitochondrion membrane intracellular membrane-bounded organelle intracellular organelle organelle envelope organelle mitochondrial envelope cytoplasm organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018542	Protein 9b, Betacoronavirus	Family
A, B	IPR037223	Protein 9b, SARS-CoV	Homologous Superfamily

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.