Annotations: 2HD7

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2hd7a1	Alpha and beta proteins (a+b)	Gelsolin-like	Actin depolymerizing proteins	automated matches	automated matches	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d2hd7a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cofilin_ADF	e2hd7A1	A: a+b three layers	X: Gelsolin-like (From Topology)	H: Gelsolin-like (From Topology)	T: Gelsolin-like	F: Cofilin_ADF	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.20.10	Alpha Beta	3-Layer(aba) Sandwich	Severin	Severin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00241	Cofilin/tropomyosin-type actin-binding protein (Cofilin_ADF)	Cofilin/tropomyosin-type actin-binding protein	Severs actin filaments and binds to actin monomers.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Twinfilin-1	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding protein tyrosine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding protein tyrosine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups ion binding phosphatidylinositol-4,5-bisphosphate binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding phosphatidylinositol binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding actin monomer binding	regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process regulation of actin filament-based process regulation of protein modification process regulation of protein phosphorylation regulation of primary metabolic process cellular component organization actin phosphorylation organic substance metabolic process regulation of phosphate metabolic process regulation of actin phosphorylation actin filament-based process phosphate-containing compound metabolic process regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process regulation of actin filament-based process regulation of protein modification process regulation of protein phosphorylation regulation of primary metabolic process cellular component organization actin phosphorylation organic substance metabolic process regulation of phosphate metabolic process regulation of actin phosphorylation actin filament-based process phosphate-containing compound metabolic process cellular component organization or biogenesis protein metabolic process protein modification process phosphorus metabolic process regulation of biological process organonitrogen compound metabolic process protein phosphorylation actin cytoskeleton organization phosphorylation regulation of protein metabolic process cellular metabolic process biological regulation primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of organelle organization organelle organization actin modification macromolecule modification regulation of actin cytoskeleton organization cellular process metabolic process regulation of phosphorylation regulation of phosphorus metabolic process macromolecule metabolic process regulation of metabolic process cytoskeleton organization cellular component disassembly actin polymerization or depolymerization protein-containing complex organization actin filament organization protein-containing complex disassembly actin filament depolymerization supramolecular fiber organization protein depolymerization regulation of cellular component size negative regulation of biological process cellular component biogenesis regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly negative regulation of cellular process negative regulation of protein polymerization regulation of actin filament polymerization regulation of biological quality negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization protein polymerization regulation of actin filament organization actin filament polymerization negative regulation of cellular component organization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization regulation of cellular component biogenesis negative regulation of protein-containing complex assembly negative regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of supramolecular fiber organization regulation of anatomical structure size regulation of neuron projection development multicellular organismal process positive regulation of cellular component organization cellular developmental process cell projection organization positive regulation of biological process cell development neuron projection development neurogenesis multicellular organism development neuron differentiation positive regulation of neuron projection development cell differentiation anatomical structure development positive regulation of cell projection organization positive regulation of cellular process system development developmental process plasma membrane bounded cell projection organization regulation of cell projection organization nervous system development generation of neurons neuron development regulation of plasma membrane bounded cell projection organization muscle hypertrophy regulation of muscle adaptation system process positive regulation of cardiac muscle hypertrophy response to stimulus regulation of system process striated muscle hypertrophy regulation of muscle system process muscle system process regulation of cardiac muscle hypertrophy regulation of muscle hypertrophy muscle adaptation regulation of response to stimulus positive regulation of muscle hypertrophy cardiac muscle hypertrophy positive regulation of multicellular organismal process regulation of multicellular organismal process protein localization localization cellular macromolecule localization maintenance of location maintenance of protein location cellular localization maintenance of location in cell maintenance of protein location in cell sequestering of actin monomers macromolecule localization lamellipodium assembly regulation of cell projection assembly plasma membrane bounded cell projection assembly regulation of plasma membrane bounded cell projection assembly regulation of lamellipodium assembly regulation of lamellipodium organization lamellipodium organization cell projection assembly regulation of protein-containing complex disassembly regulation of actin filament depolymerization actin filament capping barbed-end actin filament capping negative regulation of protein depolymerization negative regulation of protein-containing complex disassembly regulation of protein depolymerization negative regulation of actin filament depolymerization	cell-cell junction anchoring junction cell junction cellular anatomical entity intracellular organelle intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle cytoplasm cytosol contractile muscle fiber cell-cell junction anchoring junction cell junction cellular anatomical entity intracellular organelle intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle cytoplasm cytosol contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex perinuclear region of cytoplasm polymeric cytoskeletal fiber actin filament cell projection actin-based cell projection filopodium plasma membrane bounded cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR029006	ADF-H/Gelsolin-like domain superfamily	Homologous Superfamily
A	IPR028458	Twinfilin	Family
A	IPR002108	Actin-depolymerising factor homology 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.