Annotations: 7QCS

PALS1/MPP5 PDZ domain in complex with SARS-CoV-2_E PBM peptide

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	VEGFR-1-like_Ig-like	e7qcsE1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
B	VEGFR-1-like_Ig-like	e7qcsB1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
A	VEGFR-1-like_Ig-like	e7qcsA1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	CATH (utative)
A	2.30.42.10	Mainly Beta	Roll	Pdz3 Domain	PDZ domain	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, E	PF00595	PDZ domain (PDZ)	PDZ domain	PDZ domains are found in diverse signaling proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	Envelope small membrane protein	identical protein binding protein binding binding	virion assembly viral budding from Golgi membrane viral process viral budding viral life cycle symbiont-mediated perturbation of host membrane symbiont-mediated disruption of host anatomical structure biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host cell endomembrane system disruption of anatomical structure in another organism symbiont-mediated disruption of host cellular anatomical structure disruption of cellular anatomical structure in another organism	cellular anatomical structure membrane virion component virion membrane host cellular component host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell membrane other organism part host cell cytoplasm part host cell cytoplasm host cell part host cell endomembrane system cellular anatomical structure membrane virion component virion membrane host cellular component host intracellular part host cell Golgi membrane host cell Golgi apparatus host cell membrane other organism part host cell cytoplasm part host cell cytoplasm host cell part host cell endomembrane system host intracellular region
A, B, E	Protein PALS1	protein binding binding protein domain specific binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding protein binding binding protein domain specific binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding identical protein binding	developmental process multicellular organismal process cellular developmental process central nervous system neuron development cell development nervous system development generation of neurons central nervous system neuron differentiation multicellular organism development neurogenesis central nervous system development neuron differentiation cell differentiation neuron development anatomical structure development developmental process multicellular organismal process cellular developmental process central nervous system neuron development cell development nervous system development generation of neurons central nervous system neuron differentiation multicellular organism development neurogenesis central nervous system development neuron differentiation cell differentiation neuron development anatomical structure development cellular process system development tissue morphogenesis anatomical structure morphogenesis epithelium development morphogenesis of an epithelium tissue development morphogenesis of an epithelial sheet cellular response to stimulus cellular response to growth factor stimulus cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process response to stimulus signaling cellular response to transforming growth factor beta stimulus regulation of transmembrane receptor protein serine/threonine kinase signaling pathway regulation of signal transduction regulation of transforming growth factor beta receptor signaling pathway cell communication cellular response to endogenous stimulus signal transduction enzyme-linked receptor protein signaling pathway regulation of biological process regulation of signaling cell surface receptor signaling pathway regulation of cellular response to transforming growth factor beta stimulus response to endogenous stimulus regulation of cellular response to growth factor stimulus biological regulation response to transforming growth factor beta regulation of response to stimulus transforming growth factor beta receptor signaling pathway regulation of cell communication response to growth factor transforming growth factor beta receptor superfamily signaling pathway cellular component assembly involved in morphogenesis myelin assembly cellular component organization cellular component biogenesis myelination cellular anatomical entity morphogenesis cellular component assembly axon ensheathment ensheathment of neurons anatomical structure formation involved in morphogenesis cellular component organization or biogenesis localization protein localization to cell periphery cellular localization protein localization to plasma membrane macromolecule localization intracellular protein localization localization within membrane protein localization to membrane morphogenesis of embryonic epithelium embryonic morphogenesis establishment or maintenance of cell polarity embryo development establishment or maintenance of polarity of embryonic epithelium head development forebrain development animal organ development brain development pallium development cerebral cortex development telencephalon development protein localization to myelin sheath abaxonal region peripheral nervous system axon ensheathment glial cell development gliogenesis plasma membrane organization myelination in peripheral nervous system peripheral nervous system myelin maintenance Schwann cell differentiation endomembrane system organization membrane organization peripheral nervous system development Schwann cell development glial cell differentiation myelin maintenance establishment or maintenance of bipolar cell polarity establishment or maintenance of epithelial cell apical/basal polarity establishment or maintenance of apical/basal cell polarity	cellular anatomical structure cell junction somatodendritic compartment cell body perikaryon neuronal cell body cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle cellular anatomical structure cell junction somatodendritic compartment cell body perikaryon neuronal cell body cell periphery apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle myelin sheath adaxonal region myelin sheath intracellular anatomical structure cytoplasm protein-containing complex apical junction complex cell-cell junction anchoring junction adherens junction intracellular organelle Golgi apparatus intracellular membrane-bounded organelle endomembrane system compact myelin Schmidt-Lanterman incisure bounding membrane of organelle endoplasmic reticulum-Golgi intermediate compartment membrane endoplasmic reticulum-Golgi intermediate compartment organelle membrane bicellular tight junction tight junction axon cell projection neuron projection plasma membrane bounded cell projection lateral loop

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR043506	Envelope small membrane protein, betacoronavirus	Family
C, D	IPR003873	Envelope small membrane protein, coronavirus	Family
C, D	IPR044377	Envelope small membrane protein, SARS-CoV-2-like	Family
A, B, E	IPR008145	Guanylate kinase/L-type calcium channel beta subunit	Domain
A, B, E	IPR004172	L27 domain	Domain
A, B, E	IPR014775	L27 domain, C-terminal	Domain
A, B, E	IPR050716	Membrane-associated guanylate kinase	Family
A, B, E	IPR015145	L27-N	Domain
A, B, E	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A, B, E	IPR020590	Guanylate kinase, conserved site	Conserved Site
A, B, E	IPR035601	MPP5, SH3 domain	Domain
A, B, E	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B, E	IPR036034	PDZ superfamily	Homologous Superfamily
A, B, E	IPR001452	SH3 domain	Domain
A, B, E	IPR036892	L27 domain superfamily	Homologous Superfamily
A, B, E	IPR008144	Guanylate kinase-like domain	Domain
A, B, E	IPR001478	PDZ domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, E	: Q8N3R9	atypical teratoid rhabdoid tumor malignant ependymoma ulcerative colitis interstitial cystitis medulloblastoma large cell medulloblastoma ovarian cancer

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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.