Annotations: 8IB2

Structure of mammalian spectrin-actin junctional complex of membrane skeleton, Pointed-end segment, headpiece domain of dematin optimized

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	UBA	e8ib2F1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
E	UBA	e8ib2E1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
D	UBA	e8ib2D1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
C	UBA	e8ib2C1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
B	UBA	e8ib2B1	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)
A [auth 5]	UBA	e8ib251	A: beta barrels	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: UBA	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E	3.90.640.10	Alpha Beta	Alpha-Beta Complex	Actin	Chain A, domain 4	CATH (utative)
D	3.90.640.10	Alpha Beta	Alpha-Beta Complex	Actin	Chain A, domain 4	CATH (utative)
C	3.90.640.10	Alpha Beta	Alpha-Beta Complex	Actin	Chain A, domain 4	CATH (utative)
B	3.90.640.10	Alpha Beta	Alpha-Beta Complex	Actin	Chain A, domain 4	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth 5]	PF02209	Villin headpiece domain (VHP)	Villin headpiece domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, C, D, E, F	Actin, cytoplasmic 1	structural constituent of postsynapse structural constituent of cytoskeleton structural molecule activity structural constituent of synapse structural constituent of postsynaptic actin cytoskeleton binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding structural constituent of postsynapse structural constituent of cytoskeleton structural molecule activity structural constituent of synapse structural constituent of postsynaptic actin cytoskeleton 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 enzyme regulator activity molecular function regulator activity nitric-oxide synthase regulator activity nitric-oxide synthase binding protein binding enzyme binding identical protein binding cytoskeletal protein binding kinesin binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding Tat protein binding kinase binding protein kinase binding transporter regulator activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity	cellular response to nitrogen compound cellular response to stimulus response to cytochalasin B response to stimulus response to oxygen-containing compound response to nitrogen compound cellular response to oxygen-containing compound cellular response to cytochalasin B cellular response to chemical stimulus response to chemical cellular process regulation of localization import into cell cellular localization cellular response to nitrogen compound cellular response to stimulus response to cytochalasin B response to stimulus response to oxygen-containing compound response to nitrogen compound cellular response to oxygen-containing compound cellular response to cytochalasin B cellular response to chemical stimulus response to chemical cellular process regulation of localization import into cell cellular localization regulation of cellular process regulation of cellular component organization transport synaptic vesicle cycle regulation of synaptic vesicle recycling vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse cellular component organization localization synaptic vesicle recycling regulation of synaptic vesicle endocytosis establishment of localization in cell cellular component organization or biogenesis regulation of endocytosis synaptic vesicle endocytosis regulation of biological process regulation of transport biological regulation regulation of vesicle-mediated transport establishment of localization endocytosis multicellular organismal process axonogenesis cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation anatomical structure development system development developmental process plasma membrane bounded cell projection organization nervous system development axon development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis neuron development tissue morphogenesis epithelium development morphogenesis of a polarized epithelium morphogenesis of an epithelium tissue development regulation of DNA recombination regulation of double-strand break repair regulation of cellular response to stress positive regulation of biological process positive regulation of double-strand break repair via homologous recombination regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of response to stimulus positive regulation of metabolic process positive regulation of DNA repair cellular response to stress response to stress regulation of response to stress recombinational repair positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process double-strand break repair via homologous recombination positive regulation of cellular process DNA repair positive regulation of DNA recombination double-strand break repair DNA recombination primary metabolic process DNA metabolic process regulation of macromolecule metabolic process nucleic acid metabolic process positive regulation of double-strand break repair regulation of DNA repair regulation of double-strand break repair via homologous recombination positive regulation of DNA metabolic process DNA damage response regulation of response to stimulus metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process monoamine transport norepinephrine transport nitrogen compound transport organic hydroxy compound transport organic cation transport catecholamine uptake catecholamine transport regulation of norepinephrine uptake norepinephrine uptake establishment or maintenance of cell polarity protein localization to cell periphery regulation of protein localization protein localization to plasma membrane regulation of protein localization to cell periphery localization within membrane protein localization to membrane regulation of cellular localization macromolecule localization intracellular protein localization regulation of protein localization to plasma membrane regulation of protein localization to membrane cell motility adherens junction organization adherens junction assembly cellular component biogenesis cell junction organization cellular component assembly cell junction assembly cell-cell junction assembly cell-cell junction organization transepithelial transport regulation of transepithelial transport apical protein localization protein localization to cell junction protein localization to adherens junction protein localization to cell-cell junction cell cycle regulation of cell cycle	cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium membrane intracellular organelle intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium membrane intracellular organelle intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol apical part of cell cluster of actin-based cell projections brush border synapse cell junction glutamatergic synapse apical junction complex cell-cell junction anchoring junction adherens junction axon neuron projection axon terminus presynapse distal axon calyx of Held neuron projection terminus polymeric cytoskeletal fiber actin filament supramolecular fiber supramolecular polymer supramolecular complex cell cortex cortical cytoskeleton cell periphery focal adhesion cell-substrate junction postsynapse postsynaptic cytoskeleton postsynaptic actin cytoskeleton protein-containing complex catalytic complex NuA4 histone acetyltransferase complex chromatin chromosome transferase complex H4/H2A histone acetyltransferase complex histone acetyltransferase complex acetyltransferase complex H4 histone acetyltransferase complex protein acetyltransferase complex intracellular protein-containing complex dense body plasma membrane protein-DNA complex nucleosome cytoplasmic ribonucleoprotein granule ribonucleoprotein granule Schaffer collateral - CA1 synapse tight junction ribonucleoprotein complex membrane-bounded organelle nucleus intracellular membrane-bounded organelle
A [auth 5]	Dematin actin binding protein	cytoskeletal protein binding spectrin binding protein-containing complex binding protein binding binding signaling receptor binding actin binding actin filament binding	regulation of localization cellular localization establishment of protein localization regulation of cellular process regulation of protein localization protein targeting negative regulation of biological process localization regulation of protein targeting to membrane negative regulation of cellular process intracellular protein localization regulation of biological process establishment of protein localization to membrane biological regulation regulation of localization cellular localization establishment of protein localization regulation of cellular process regulation of protein localization protein targeting negative regulation of biological process localization regulation of protein targeting to membrane negative regulation of cellular process intracellular protein localization regulation of biological process establishment of protein localization to membrane biological regulation regulation of establishment of protein localization negative regulation of protein targeting to membrane negative regulation of establishment of protein localization localization within membrane establishment of localization protein targeting to membrane regulation of cellular localization regulation of protein targeting macromolecule localization cellular process cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis regulation of cellular component organization cell-substrate junction assembly negative regulation of cell-substrate junction organization negative regulation of cell-matrix adhesion negative regulation of cell adhesion cell adhesion negative regulation of cell junction assembly cell junction assembly regulation of cell-substrate junction organization focal adhesion assembly negative regulation of cellular component organization regulation of cell-substrate adhesion regulation of cell adhesion cell-substrate adhesion regulation of cellular component biogenesis negative regulation of focal adhesion assembly regulation of cell junction assembly cell junction organization cell-matrix adhesion regulation of cell-matrix adhesion cell-substrate junction organization negative regulation of cell-substrate adhesion regulation of focal adhesion assembly regulation of cell-substrate junction assembly lamellipodium assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly lamellipodium organization cell projection assembly positive regulation of response to wounding wound healing response to stimulus positive regulation of biological process regulation of response to wounding positive regulation of response to stimulus positive regulation of wound healing regulation of response to stimulus response to stress regulation of response to stress regulation of wound healing response to wounding developmental process multicellular organismal process erythrocyte development cellular developmental process homeostatic process hemopoiesis cell development erythrocyte differentiation multicellular organismal-level homeostasis myeloid cell differentiation immune system process cell differentiation anatomical structure development myeloid cell development homeostasis of number of cells myeloid cell homeostasis erythrocyte homeostasis positive regulation of locomotion regulation of cell motility regulation of fibroblast migration positive regulation of fibroblast migration fibroblast migration positive regulation of cell migration regulation of locomotion ameboidal-type cell migration positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion positive regulation of cellular process regulation of substrate adhesion-dependent cell spreading negative regulation of substrate adhesion-dependent cell spreading substrate adhesion-dependent cell spreading organelle organization actin cytoskeleton organization actin filament-based process cytoskeleton organization cellular response to nitrogen compound cellular response to stimulus response to organophosphorus response to oxygen-containing compound response to nitrogen compound response to purine-containing compound response to cAMP cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical cellular response to cAMP regulation of developmental process regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis regulation of biological quality regulation of anatomical structure morphogenesis regulation of cellular component size protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization actin filament capping negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization cellular component disassembly actin filament organization regulation of organelle organization negative regulation of protein depolymerization negative regulation of protein-containing complex assembly regulation of protein polymerization regulation of supramolecular fiber organization supramolecular fiber organization regulation of cytoskeleton organization regulation of actin filament-based process regulation of protein-containing complex assembly negative regulation of protein-containing complex disassembly negative regulation of protein polymerization regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin filament polymerization regulation of protein depolymerization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization negative regulation of actin filament depolymerization protein depolymerization regulation of anatomical structure size inorganic ion homeostasis intracellular calcium ion homeostasis smooth endoplasmic reticulum calcium ion homeostasis calcium ion homeostasis endoplasmic reticulum calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis endoplasmic reticulum tubular network organization endoplasmic reticulum organization endomembrane system organization regulation of cell projection organization regulation of cell projection assembly regulation of plasma membrane bounded cell projection assembly regulation of lamellipodium assembly regulation of lamellipodium organization regulation of plasma membrane bounded cell projection organization filopodium assembly regulation of filopodium assembly	intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol cell periphery plasma membrane membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol cell periphery plasma membrane membrane membrane-bounded organelle endoplasmic reticulum smooth endoplasmic reticulum intracellular membrane-bounded organelle endomembrane system cell projection plasma membrane region cell projection membrane plasma membrane bounded cell projection cytoplasmic vesicle intracellular vesicle vesicle platelet dense tubular network platelet dense tubular network membrane bounding membrane of organelle organelle membrane postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization synapse cell junction asymmetric synapse perinuclear region of cytoplasm polymeric cytoskeletal fiber actin filament supramolecular fiber supramolecular polymer supramolecular complex spectrin-associated cytoskeleton cell cortex cortical cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, C, D, E, F	IPR020902	Actin/actin-like conserved site	Conserved Site
B, C, D, E, F	IPR004001	Actin, conserved site	Conserved Site
B, C, D, E, F	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
B, C, D, E, F	IPR004000	Actin family	Family
A [auth 5]	IPR032402	Putative adherens-junction anchoring domain	Domain
A [auth 5]	IPR003128	Villin headpiece	Domain
A [auth 5]	IPR051618	Actin-binding LIM	Family
A [auth 5]	IPR036886	Villin headpiece domain superfamily	Homologous Superfamily

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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.