Annotations: 7WEG

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	SSF	e7wegB1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: SSF	ECOD (v294.1)
A	SSF	e7wegA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Cytochrome P450	T: Cytochrome P450	F: SSF	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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	FCHSD2	ion binding binding anion binding phosphatidylinositol bisphosphate binding phosphatidylinositol-3,4-bisphosphate binding small molecule binding phosphatidylinositol-3,4,5-trisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding	positive regulation of organelle organization regulation of Arp2/3 complex-mediated actin nucleation regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process regulation of actin filament-based process positive regulation of cellular component organization positive regulation of Arp2/3 complex-mediated actin nucleation positive regulation of biological process cellular component organization regulation of actin nucleation actin filament-based process cellular component organization or biogenesis positive regulation of cellular process positive regulation of organelle organization regulation of Arp2/3 complex-mediated actin nucleation regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process regulation of actin filament-based process positive regulation of cellular component organization positive regulation of Arp2/3 complex-mediated actin nucleation positive regulation of biological process cellular component organization regulation of actin nucleation actin filament-based process cellular component organization or biogenesis positive regulation of cellular process regulation of biological process regulation of actin filament organization actin cytoskeleton organization positive regulation of cytoskeleton organization actin filament organization biological regulation Arp2/3 complex-mediated actin nucleation positive regulation of supramolecular fiber organization regulation of organelle organization organelle organization positive regulation of actin nucleation regulation of actin cytoskeleton organization regulation of supramolecular fiber organization cellular process actin nucleation supramolecular fiber organization cytoskeleton organization regulation of cellular component size cellular component biogenesis regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly cellular component assembly positive regulation of protein polymerization protein-containing complex assembly regulation of actin filament polymerization regulation of biological quality protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization positive regulation of cellular component biogenesis regulation of actin polymerization or depolymerization regulation of cellular component biogenesis regulation of protein polymerization regulation of actin filament length positive regulation of actin filament polymerization regulation of anatomical structure size membrane organization localization establishment of protein localization protein transport transport macromolecule localization intracellular protein localization establishment of localization import into cell clathrin-dependent endocytosis receptor-mediated endocytosis endocytosis vesicle-mediated transport trans-synaptic signaling signaling cell-cell signaling chemical synaptic transmission cell communication synaptic signaling anterograde trans-synaptic signaling neuromuscular synaptic transmission	cellular anatomical structure neuromuscular junction synapse cell junction cell projection stereocilium actin-based cell projection organelle stereocilium bundle neuron projection stereocilium shaft cluster of actin-based cell projections plasma membrane bounded cell projection clathrin-coated pit cellular anatomical structure neuromuscular junction synapse cell junction cell projection stereocilium actin-based cell projection organelle stereocilium bundle neuron projection stereocilium shaft cluster of actin-based cell projections plasma membrane bounded cell projection clathrin-coated pit membrane endomembrane system membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle recycling endosome intracellular organelle cytoplasmic vesicle cytoplasm vesicle anchoring junction cell periphery plasma membrane
A, B	PDZ domain-containing protein 7	identical protein binding protein binding binding	multicellular organismal process inner ear receptor cell development cell projection organization sensory organ development epidermis development auditory receptor cell stereocilium organization neuron projection development epithelial cell differentiation hair cell differentiation multicellular organism development neuron differentiation cell differentiation inner ear development anatomical structure development multicellular organismal process inner ear receptor cell development cell projection organization sensory organ development epidermis development auditory receptor cell stereocilium organization neuron projection development epithelial cell differentiation hair cell differentiation multicellular organism development neuron differentiation cell differentiation inner ear development anatomical structure development animal organ morphogenesis system development developmental process embryonic organ morphogenesis mechanoreceptor differentiation epithelium development epidermal cell differentiation ear development embryonic morphogenesis nervous system development tissue development inner ear receptor cell differentiation generation of neurons auditory receptor cell development cellular developmental process cell development embryo development cell morphogenesis cellular component organization neurogenesis cellular component organization or biogenesis auditory receptor cell morphogenesis embryonic organ development ear morphogenesis plasma membrane bounded cell projection organization animal organ development inner ear auditory receptor cell differentiation cell morphogenesis involved in neuron differentiation anatomical structure morphogenesis sensory organ morphogenesis neuron development inner ear morphogenesis cellular process inner ear receptor cell stereocilium organization detection of external stimulus system process nervous system process response to stimulus detection of mechanical stimulus involved in sensory perception of sound response to mechanical stimulus response to external stimulus detection of mechanical stimulus involved in sensory perception sensory perception of mechanical stimulus detection of abiotic stimulus detection of stimulus sensory perception detection of mechanical stimulus response to abiotic stimulus detection of stimulus involved in sensory perception sensory perception of sound localization establishment of protein localization establishment of localization	membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection stereocilia ankle link stereocilium bundle stereocilia coupling link cluster of actin-based cell projections protein-containing complex stereocilia ankle link complex stereocilium actin-based cell projection membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection stereocilia ankle link stereocilium bundle stereocilia coupling link cluster of actin-based cell projections protein-containing complex stereocilia ankle link complex stereocilium actin-based cell projection stereocilium tip neuron projection cell periphery plasma membrane membrane USH2 complex intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen nuclear lumen intracellular membraneless organelle ciliary basal body microtubule organizing center cytoskeleton membraneless organelle microtubule cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR035460	FCHSD, SH3 domain 1	Domain
C, D	IPR034934	F-BAR and double SH3 domains protein 2, F-BAR domain	Domain
C, D	IPR035556	FCHSD2, SH3 domain 2	Domain
C, D	IPR001452	SH3 domain	Domain
C, D	IPR036028	SH3-like domain superfamily	Homologous Superfamily
C, D	IPR027267	AH/BAR domain superfamily	Homologous Superfamily
C, D	IPR001060	FCH domain	Domain
C, D	IPR031160	F-BAR domain	Domain
A, B	IPR051844	Sensory Perception USH2 Complex Protein	Family
A, B	IPR036034	PDZ superfamily	Homologous Superfamily
A, B	IPR042786	PDZD7, Harmonin N-like domain	Domain
A, B	IPR001478	PDZ domain	Domain

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.