8VKN

Cryo-EM structure of SARS-CoV-2 XBB.1.5 spike protein in complex with mouse ACE2 (focused refinement of RBD and mouse ACE2)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
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)
A	SCOP2B Superfamily	SARS coronavirus receptor-binding domain-like	8092467	3001706	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	Metalloproteases (zincins) catalytic domain	8104349	3001975	SCOP2B (2022-06-29)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Spike protein S1	protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity host cell surface binding host cell surface receptor binding structural constituent of virion structural molecule activity identical protein binding	viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion cellular process cellular component organization or biogenesis import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization viral process fusion of virus membrane with host endosome membrane membrane fusion involved in viral entry into host cell membrane organization cellular component organization membrane fusion cellular process cellular component organization or biogenesis import into cell receptor-mediated endocytosis of virus by host cell biological process involved in interspecies interaction between organisms transport viral life cycle establishment of localization biological process involved in interaction with host vesicle-mediated transport biological process involved in symbiotic interaction localization symbiont entry into host cell symbiont entry into host endocytosis involved in viral entry into host cell endocytosis receptor-mediated endocytosis transport of virus symbiont-mediated perturbation of host defense response suppression by virus of host tetherin activity response to host defenses response to stimulus response to other organism response to defenses of other organism modulation by virus of host process response to external stimulus virus-mediated perturbation of host defense response response to biotic stimulus modulation by symbiont of host process response to host response to external biotic stimulus modulation of process of another organism modulation by virus of host cellular process virion attachment to host cell receptor-mediated virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host viral gene expression viral translation fusion of virus membrane with host plasma membrane symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host type I interferon-mediated signaling pathway symbiont-mediated suppression of host signal transduction pathway symbiont-mediated suppression of host interferon-mediated signaling pathway symbiont-mediated perturbation of host signal transduction pathway regulation of biological process positive regulation of viral life cycle positive regulation of viral process biological regulation positive regulation of biological process modulation by symbiont of entry into host regulation of viral entry into host cell regulation of viral life cycle regulation of viral process positive regulation of viral entry into host cell positive regulation by symbiont of entry into host regulation of biological process involved in symbiotic interaction entry receptor-mediated virion attachment to host cell	membrane cellular anatomical entity host extracellular space host cellular component cell periphery plasma membrane host intracellular membrane-bounded organelle host intracellular part host cell membrane host cell cytoplasm part host intracellular organelle host cell endoplasmic reticulum-Golgi intermediate compartment membrane host cell endoplasmic reticulum-Golgi intermediate compartment host cell cytoplasm membrane cellular anatomical entity host extracellular space host cellular component cell periphery plasma membrane host intracellular membrane-bounded organelle host intracellular part host cell membrane host cell cytoplasm part host intracellular organelle host cell endoplasmic reticulum-Golgi intermediate compartment membrane host cell endoplasmic reticulum-Golgi intermediate compartment host cell cytoplasm host cell part host intracellular region host cell plasma membrane virion component virion membrane viral membrane viral envelope host cell surface
B [auth D]	Angiotensin-converting enzyme 2	peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity protein binding binding virus receptor activity exogenous protein binding metallocarboxypeptidase activity exopeptidase activity metalloexopeptidase activity carboxypeptidase activity peptidyl-dipeptidase activity peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity protein binding binding virus receptor activity exogenous protein binding metallocarboxypeptidase activity exopeptidase activity metalloexopeptidase activity carboxypeptidase activity peptidyl-dipeptidase activity endopeptidase activity cation binding ion binding metal ion binding small molecule binding identical protein binding	heart process multicellular organismal process system process regulation of biological process regulation of cardiac conduction regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation cardiac conduction regulation of multicellular organismal process heart contraction blood circulation heart process multicellular organismal process system process regulation of biological process regulation of cardiac conduction regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation cardiac conduction regulation of multicellular organismal process heart contraction blood circulation regulation of systemic arterial blood pressure by renin-angiotensin regulation of systemic arterial blood pressure by hormone regulation of blood volume by renin-angiotensin regulation of systemic arterial blood pressure mediated by a chemical signal nervous system process regulation of blood pressure feeding behavior brain renin-angiotensin system behavior regulation of systemic arterial blood pressure endocrine process drinking behavior angiotensin-mediated drinking behavior regulation of biological quality nervous system process involved in regulation of systemic arterial blood pressure positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization gap junction assembly positive regulation of biological process cellular component organization cellular component biogenesis cellular component assembly positive regulation of gap junction assembly cell junction assembly cellular component organization or biogenesis positive regulation of cellular process cell-cell junction assembly cell-cell junction organization positive regulation of cellular component biogenesis regulation of gap junction assembly regulation of cellular component biogenesis regulation of cell junction assembly positive regulation of cell junction assembly cell junction organization cellular process multi-multicellular organism process maternal process involved in female pregnancy reproductive process multicellular organismal reproductive process female pregnancy multi-organism reproductive process negative regulation of cell population proliferation cell population proliferation regulation of smooth muscle cell proliferation negative regulation of biological process smooth muscle cell proliferation negative regulation of smooth muscle cell proliferation regulation of cell population proliferation negative regulation of cellular process muscle cell proliferation cellular response to stimulus response to stimulus signaling negative regulation of signaling negative regulation of intracellular signal transduction regulation of signal transduction intracellular signal transduction negative regulation of cell communication cell communication regulation of intracellular signal transduction intracellular signaling cassette signal transduction regulation of signaling negative regulation of response to stimulus regulation of MAPK cascade negative regulation of signal transduction negative regulation of ERK1 and ERK2 cascade regulation of response to stimulus MAPK cascade regulation of cell communication ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade negative regulation of MAPK cascade 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 process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction regulation of localization nitrogen compound transport transport regulation of transport organic substance transport establishment of localization positive regulation of amine transport amine transport amino acid transport localization positive regulation of amino acid transport positive regulation of transport regulation of amino acid transport regulation of amine transport symbiont entry into host cell symbiont entry into host aromatic amino acid transport organic anion transport carboxylic acid transport organic cation transport organic acid transport tryptophan transport organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process carboxylic acid transmembrane transport regulation of L-proline import across plasma membrane regulation of proline transport organic acid transmembrane transport import across plasma membrane L-proline transmembrane transport proline transport transmembrane transport regulation of amino acid import across plasma membrane regulation of transmembrane transport L-alpha-amino acid transmembrane transport amino acid import across plasma membrane proline import across plasma membrane import into cell regulation of proline import across plasma membrane positive regulation of L-proline import across plasma membrane amino acid transmembrane transport L-amino acid transport positive regulation of transmembrane transport regulation of amino acid transmembrane transport neutral amino acid transport L-proline import across plasma membrane positive regulation of organic acid transport proline transmembrane transport positive regulation of proline import across plasma membrane regulation of organic acid transport entry receptor-mediated virion attachment to host cell positive regulation of blood circulation positive regulation of cardiac muscle contraction cardiac muscle contraction striated muscle contraction positive regulation of striated muscle contraction regulation of cardiac muscle contraction muscle contraction muscle system process regulation of muscle system process positive regulation of heart contraction regulation of striated muscle contraction regulation of muscle contraction positive regulation of muscle contraction positive regulation of multicellular organismal process	membrane-bounded organelle cell projection organelle cilium cellular anatomical entity plasma membrane bounded cell projection cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane cell surface intracellular anatomical structure membrane-bounded organelle cell projection organelle cilium cellular anatomical entity plasma membrane bounded cell projection cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane cell surface intracellular anatomical structure cytoplasm extracellular region brush border membrane cluster of actin-based cell projections brush border cell projection membrane extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR044873	Spike glycoprotein S2, coronavirus, heptad repeat 1	Domain
A	IPR044366	Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2	Domain
A	IPR018548	Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus	Domain
A	IPR044341	Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like	Domain
A	IPR032500	Spike glycoprotein S1, N-terminal domain, betacoronavirus-like	Domain
A	IPR042578	Spike glycoprotein, betacoronavirus	Family
A	IPR036326	Spike S1 subunit, receptor binding domain superfamily, betacoronavirus	Homologous Superfamily
A	IPR043002	Spike glycoprotein, N-terminal domain superfamily	Homologous Superfamily
A	IPR044874	Spike glycoprotein S2, coronavirus, heptad repeat 2	Domain
A	IPR043473	Spike glycoprotein S2 superfamily, coronavirus	Homologous Superfamily
A	IPR043607	Coronavirus spike glycoprotein S1, C-terminal	Domain
A	IPR002552	Spike glycoprotein S2, coronavirus	Domain
B [auth D]	IPR031588	Collectrin domain	Domain
B [auth D]	IPR001548	Peptidase M2, peptidyl-dipeptidase A	Family

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.