Annotations: 7B1B

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth P]	CoV_S1_C	e7b1bP1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CoV_S1_C	ECOD (v294.1)
B [auth D]	CoV_S1_C	e7b1bD1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CoV_S1_C	ECOD (v294.1)
D [auth B]	CoV_S1_C	e7b1bB1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CoV_S1_C	ECOD (v294.1)
A	CoV_S1_C	e7b1bA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: CoV_S1_C	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth D], C [auth P]	PF16077	Spaetzle (Spaetzle)	Spaetzle	-	Family
A, D [auth B]	PF13855	Leucine rich repeat (LRR_8)	Leucine rich repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth D], C [auth P]	AAEL013433-PA	protein binding binding signaling receptor binding Toll binding molecular function activator activity molecular function regulator activity signaling receptor regulator activity growth factor activity receptor ligand activity signaling receptor activator activity	biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus developmental process biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus developmental process multicellular organismal process central nervous system formation nervous system development anatomical structure morphogenesis multicellular organism development central nervous system development anatomical structure formation involved in morphogenesis anatomical structure development central nervous system morphogenesis system development	cellular anatomical structure extracellular region extracellular space
A, D [auth B]	Toll-like receptor	molecular transducer activity signaling receptor activity	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation cellular process signal transduction cell communication	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth D], C [auth P]	IPR032104	Spaetzle	Domain
B [auth D], C [auth P]	IPR029034	Cystine-knot cytokine	Homologous Superfamily
B [auth D], C [auth P]	IPR052444	Spaetzle/Toll ligand-like	Family
A, D [auth B]	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A, D [auth B]	IPR000157	Toll/interleukin-1 receptor homology (TIR) domain	Domain
A, D [auth B]	IPR035897	Toll/interleukin-1 receptor homology (TIR) domain superfamily	Homologous Superfamily
A, D [auth B]	IPR001611	Leucine-rich repeat	Repeat
A, D [auth B]	IPR003591	Leucine-rich repeat, typical subtype	Repeat

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.