Annotations: 3CVE

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.1700	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
B	1.20.5.1700	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
C	1.20.5.1700	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
D	1.20.5.1700	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Homer protein homolog 1	protein binding binding signaling receptor binding scaffold protein binding transmembrane transporter binding protein-containing complex binding type 5 metabotropic glutamate receptor binding glutamate receptor binding G protein-coupled receptor binding G protein-coupled glutamate receptor binding molecular adaptor activity identical protein binding structural constituent of postsynapse structural molecule activity protein binding binding signaling receptor binding scaffold protein binding transmembrane transporter binding protein-containing complex binding type 5 metabotropic glutamate receptor binding glutamate receptor binding G protein-coupled receptor binding G protein-coupled glutamate receptor binding molecular adaptor activity identical protein binding structural constituent of postsynapse structural molecule activity structural constituent of synapse	rhythmic process circadian rhythm adult behavior multicellular organismal process response to organic substance response to stimulus response to organonitrogen compound response to oxygen-containing compound response to nitrogen compound response to alkaloid behavior behavioral response to cocaine response to chemical response to organic cyclic compound rhythmic process circadian rhythm adult behavior multicellular organismal process response to organic substance response to stimulus response to organonitrogen compound response to oxygen-containing compound response to nitrogen compound response to alkaloid behavior behavioral response to cocaine response to chemical response to organic cyclic compound response to cocaine developmental process myotube cell development skeletal muscle fiber development cellular developmental process skeletal muscle tissue development animal organ development cell development tissue development muscle cell differentiation myotube differentiation muscle structure development skeletal muscle organ development muscle cell development cell differentiation anatomical structure development cellular process muscle tissue development muscle organ development striated muscle cell differentiation regulation of calcium ion import regulation of calcium ion transport regulation of localization regulation of biological process transport regulation of transport regulation of monoatomic ion transport biological regulation establishment of localization calcium ion transport metal ion transport localization monoatomic ion transport calcium ion import monoatomic cation transport regulation of metal ion transport response to metal ion response to calcium ion response to inorganic substance cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein tetramerization protein-containing complex assembly cellular component organization or biogenesis regulation of cellular component organization regulation of cellular process dendritic spine maintenance cell projection organization cellular component maintenance regulation of dendritic spine maintenance regulation of synapse structure or activity synapse organization regulation of biological quality plasma membrane bounded cell projection organization dendritic spine organization postsynapse organization regulation of cell projection organization regulation of postsynapse organization regulation of synapse organization cell junction organization neuron projection organization regulation of plasma membrane bounded cell projection organization protein localization cellular localization protein localization to synapse cellular macromolecule localization macromolecule localization protein localization to cell junction multicellular organismal movement musculoskeletal movement system process nervous system process neuromuscular process skeletal muscle contraction muscle contraction muscle system process striated muscle contraction regulation of store-operated calcium entry store-operated calcium entry positive regulation of calcium ion transport positive regulation of biological process positive regulation of transport positive regulation of monoatomic ion transport cellular response to stimulus cell surface receptor signaling pathway signaling glutamate receptor signaling pathway G protein-coupled glutamate receptor signaling pathway cell communication G protein-coupled receptor signaling pathway signal transduction trans-synaptic signaling regulation of signaling modulation of chemical synaptic transmission synaptic transmission, glutamatergic cell-cell signaling regulation of synaptic transmission, glutamatergic chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication response to nicotine	membrane cellular anatomical entity intracellular anatomical structure Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer membrane cellular anatomical entity intracellular anatomical structure Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle apical part of cell cytosol costamere cell periphery plasma membrane somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection synapse cell junction glutamatergic synapse dendritic shaft neuron spine dendritic spine postsynapse postsynaptic density neuron to neuron synapse postsynaptic specialization asymmetric synapse cell body neuronal cell body axon cytosolic region postsynaptic cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR000697	WH1/EVH1 domain	Domain
A, B, C, D	IPR011993	PH-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR045027	Homer family	Family
A, B, C, D	IPR044100	Homer, EVH1 domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.