Annotations: 9RCU

Cardioderma bat coronavirus 2B receptor binding domain in complex with human CEACAM6

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8098666	3000071	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	ClpB_D2-small	e9rcuB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: ClpB_D2-small	ECOD (v295.2)
A	V-set	e9rcuA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: V-set	ECOD (v295.2)
A	I-set, Ig_3	e9rcuA2	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: I-set, Ig_3	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
A	PF13927	Immunoglobulin domain (Ig_3)	Immunoglobulin domain	This family contains immunoglobulin-like domains.	Domain
A	PF13895	Immunoglobulin domain (Ig_2)	Immunoglobulin domain	This domain contains immunoglobulin-like domains.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Spike protein	-	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane cellular process cellular component organization or biogenesis symbiont entry into host cell symbiont entry into host endocytosis involved in viral entry into host cell	cellular anatomical structure membrane virion component virion membrane viral membrane viral envelope
A	Cell adhesion molecule CEACAM6	protein heterodimerization activity protein binding binding protein dimerization activity identical protein binding	regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process heterophilic cell-cell adhesion cell adhesion cell-cell adhesion positive regulation of locomotion regulation of cell motility regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process heterophilic cell-cell adhesion cell adhesion cell-cell adhesion positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion positive regulation of cell adhesion regulation of cell adhesion positive regulation of cell-cell adhesion heterotypic cell-cell adhesion positive regulation of heterotypic cell-cell adhesion regulation of cell-cell adhesion regulation of heterotypic cell-cell adhesion endothelial cell-matrix adhesion regulation of cell-substrate adhesion cell-substrate adhesion positive regulation of cell-matrix adhesion positive regulation of endothelial cell-matrix adhesion cell-matrix adhesion positive regulation of cell-substrate adhesion regulation of cell-matrix adhesion regulation of endothelial cell-matrix adhesion apoptotic process cell death programmed cell death negative regulation of programmed cell death regulation of apoptotic process regulation of anoikis negative regulation of biological process regulation of programmed cell death negative regulation of anoikis negative regulation of apoptotic process anoikis negative regulation of cellular process homophilic cell-cell adhesion	cellular anatomical structure membrane side of membrane cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle lytic vacuole endomembrane system intracellular organelle cellular anatomical structure membrane side of membrane cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle lytic vacuole endomembrane system intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle vesicle lysosome vacuolar membrane azurophil granule vacuole intracellular membrane-bounded organelle lytic vacuole membrane cytoplasmic vesicle membrane organelle lysosomal membrane secretory granule primary lysosome secretory vesicle azurophil granule membrane cytoplasm organelle membrane secretory granule membrane cell surface

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR002551	Spike glycoprotein S1, coronavirus	Domain
B	IPR044874	Spike glycoprotein S2, coronavirus, heptad repeat 2	Domain
B	IPR044873	Spike glycoprotein S2, coronavirus, heptad repeat 1	Domain
B	IPR043473	Spike glycoprotein S2 superfamily, coronavirus	Homologous Superfamily
B	IPR043607	Coronavirus spike glycoprotein S1, C-terminal	Domain
B	IPR002552	Spike glycoprotein S2, coronavirus	Domain
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003598	Immunoglobulin subtype 2	Domain
A	IPR050831	Carcinoembryonic antigen-related cell adhesion	Family
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR013106	Immunoglobulin V-set domain	Domain
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P40199	Sjogren syndrome Abortion, Spontaneous breast carcinoma ductal breast carcinoma in situ lung cancer malignant pancreatic neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm cancer interstitial cystitis lung carcinoma nasopharyngeal carcinoma ovarian cancer psoriasis ulcerative colitis Sjogren syndrome Abortion, Spontaneous breast carcinoma ductal breast carcinoma in situ lung cancer malignant pancreatic neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm cancer interstitial cystitis lung carcinoma nasopharyngeal carcinoma ovarian cancer psoriasis ulcerative colitis breast cancer Crohn disease invasive ductal breast carcinoma malignant colon neoplasm non-small cell lung carcinoma pancreatic ductal adenocarcinoma

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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.