7DS8

Crystal structure of actin capping protein in complex with twinflin-1/CD2AP CPI chimera peptide (CDN-TWC)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8032214	3001499	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8032215	3001499	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F-actin_cap_A_1st	e7ds8A3	A: alpha bundles	X: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	H: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	T: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz	F: F-actin_cap_A_1st	ECOD (1.6)
A	F-actin_cap_A_3rd	e7ds8A1	A: a+b two layers	X: a+b domain in Capz (From Topology)	H: a+b domain in Capz (From Topology)	T: a+b domain in Capz	F: F-actin_cap_A_3rd	ECOD (1.6)
A	F-actin_cap_A_2nd	e7ds8A2	A: few secondary structure elements	X: beta-barrel domain in Capz (From Topology)	H: beta-barrel domain in Capz (From Topology)	T: beta-barrel domain in Capz	F: F-actin_cap_A_2nd	ECOD (1.6)
B	F_actin_cap_B_1st	e7ds8B3	A: alpha bundles	X: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	H: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	T: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz	F: F_actin_cap_B_1st	ECOD (1.6)
B	F_actin_cap_B_3rd	e7ds8B1	A: a+b two layers	X: a+b domain in Capz (From Topology)	H: a+b domain in Capz (From Topology)	T: a+b domain in Capz	F: F_actin_cap_B_3rd	ECOD (1.6)
B	F_actin_cap_B_2nd	e7ds8B2	A: few secondary structure elements	X: beta-barrel domain in Capz (From Topology)	H: beta-barrel domain in Capz (From Topology)	T: beta-barrel domain in Capz	F: F_actin_cap_B_2nd	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01267	F-actin capping protein alpha subunit (F-actin_cap_A)	F-actin capping protein alpha subunit	-	Family
B	PF01115	F-actin capping protein, beta subunit (F_actin_cap_B)	F-actin capping protein, beta subunit	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	F-actin-capping protein subunit alpha-1	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	cellular component organization cellular component biogenesis cell junction organization cellular component assembly cell junction assembly cellular process cellular component organization or biogenesis regulation of cellular process regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization cellular component organization cellular component biogenesis cell junction organization cellular component assembly cell junction assembly cellular process cellular component organization or biogenesis regulation of cellular process regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization actin filament capping actin filament-based process negative regulation of supramolecular fiber organization regulation of biological quality negative regulation of actin filament polymerization cellular component disassembly regulation of biological process barbed-end actin filament capping negative regulation of cellular component organization 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 cellular component organization regulation of actin filament-based process regulation of protein-containing complex assembly negative regulation of protein-containing complex disassembly negative regulation of cellular process protein-containing complex assembly negative regulation of protein polymerization regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin cytoskeleton organization actin filament polymerization protein-containing complex organization regulation of protein depolymerization negative regulation of cytoskeleton organization biological regulation regulation of actin polymerization or depolymerization regulation of cellular component biogenesis organelle organization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization negative regulation of actin filament depolymerization protein depolymerization cytoskeleton organization regulation of anatomical structure size	protein-containing complex intracellular anatomical structure WASH complex cytoplasm cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril protein-containing complex intracellular anatomical structure WASH complex cytoplasm cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cytoskeleton F-actin capping protein complex actin cytoskeleton cytosol cell periphery plasma membrane membrane cell cortex cortical cytoskeleton
B	F-actin-capping protein subunit beta isoforms 1	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	lamellipodium assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component organization cellular component biogenesis cellular component assembly lamellipodium organization cellular process cellular component organization or biogenesis cell projection assembly developmental process anatomical structure morphogenesis regulation of biological process lamellipodium assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component organization cellular component biogenesis cellular component assembly lamellipodium organization cellular process cellular component organization or biogenesis cell projection assembly developmental process anatomical structure morphogenesis regulation of biological process regulation of developmental process anatomical structure development biological regulation cell morphogenesis regulation of cell morphogenesis regulation of anatomical structure morphogenesis filopodium assembly regulation of cellular component organization regulation of cellular process negative regulation of filopodium assembly negative regulation of biological process regulation of filopodium assembly negative regulation of plasma membrane bounded cell projection assembly negative regulation of cellular process negative regulation of cell projection organization negative regulation of cellular component organization regulation of cell projection organization regulation of cell projection assembly regulation of cellular component biogenesis regulation of plasma membrane bounded cell projection assembly regulation of plasma membrane bounded cell projection organization organelle organization cytoskeleton organization regulation of lamellipodium assembly regulation of lamellipodium organization 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 actin filament-based process negative regulation of supramolecular fiber organization regulation of biological quality negative regulation of actin filament polymerization cellular component disassembly barbed-end actin filament capping 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 protein-containing complex assembly negative regulation of protein polymerization regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin cytoskeleton organization actin filament polymerization protein-containing complex organization 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	cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium protein-containing complex intracellular anatomical structure WASH complex cytoplasm membrane Z disc sarcomere intracellular organelle I band cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium protein-containing complex intracellular anatomical structure WASH complex cytoplasm membrane Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cytosol cluster of actin-based cell projections brush border neuron to neuron synapse synapse cell junction hippocampal mossy fiber to CA3 synapse cytoskeleton F-actin capping protein complex actin cytoskeleton postsynaptic density postsynapse postsynaptic specialization asymmetric synapse Schaffer collateral - CA1 synapse cell cortex cortical cytoskeleton cell periphery
C	CD2-associated protein,Twinfilin-1	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding SH3 domain binding protein domain specific binding cell adhesion molecule binding cadherin binding identical protein binding clathrin binding phosphatidylinositol 3-kinase binding phosphatidylinositol 3-kinase regulatory subunit binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding SH3 domain binding protein domain specific binding cell adhesion molecule binding cadherin binding identical protein binding clathrin binding phosphatidylinositol 3-kinase binding phosphatidylinositol 3-kinase regulatory subunit binding structural constituent of cytoskeleton structural molecule activity 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	developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development system development immune system development lymph node development immune system process hematopoietic or lymphoid organ development cellular process cell division cell population proliferation renal filtration cell differentiation kidney epithelium development cellular developmental process glomerular epithelial cell differentiation epithelial cell differentiation renal system development cell differentiation nephron development nephron epithelium development epithelial cell differentiation involved in kidney development epithelium development glomerular epithelium development tissue development glomerulus development cell differentiation involved in kidney development podocyte differentiation kidney development apoptotic process cell death programmed cell death catabolic process metabolic process primary metabolic process protein catabolic process protein metabolic process macromolecule metabolic process macromolecule catabolic process cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular component organization or biogenesis protein heterooligomerization cellular response to stimulus regulation of biological process small GTPase-mediated signal transduction regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication intracellular signaling cassette Rab protein signal transduction signal transduction renal system process system process renal absorption renal albumin absorption renal protein absorption cell migration cell motility localization localization of cell endothelium development response to stress response to wounding protein localization establishment of protein localization cellular localization nitrogen compound transport transport secretion establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region secretion by cell protein transport cellular macromolecule localization macromolecule localization organelle organization actin cytoskeleton organization actin filament organization actin filament-based process supramolecular fiber organization cytoskeleton organization hepaticobiliary system development gland development liver development cellular response to growth factor stimulus cell surface receptor signaling pathway response to endogenous stimulus cellular response to nerve growth factor stimulus cellular response to endogenous stimulus nerve growth factor signaling pathway neurotrophin signaling pathway response to nerve growth factor response to growth factor regulation of localization regulation of protein localization positive regulation of protein localization to nucleus positive regulation of biological process regulation of protein localization to nucleus protein localization to nucleus regulation of cellular localization protein localization to organelle positive regulation of protein localization positive regulation of cellular process connective tissue development adipose tissue development immune response-regulating cell surface receptor signaling pathway positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process positive regulation of immune system process immune response-activating cell surface receptor signaling pathway immune response T cell receptor signaling pathway regulation of response to stimulus regulation of immune response antigen receptor-mediated signaling pathway activation of immune response phosphatidylinositol 3-kinase/protein kinase B signal transduction stress-activated MAPK cascade stress-activated protein kinase signaling cascade cellular response to stress MAPK cascade transforming growth factor beta1 production cellular biosynthetic process cellular metabolic process gene expression macromolecule biosynthetic process biosynthetic process cytokine production transforming growth factor beta production ERK1 and ERK2 cascade regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process regulation of organelle organization regulation of actin cytoskeleton organization response to transforming growth factor beta negative regulation of signaling regulation of small GTPase mediated signal transduction negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction negative regulation of cell communication regulation of intracellular signal transduction negative regulation of cellular process regulation of signaling negative regulation of response to stimulus negative regulation of small GTPase mediated signal transduction negative regulation of signal transduction regulation of cell communication protein polymerization actin polymerization or depolymerization actin filament polymerization lipid metabolic process cell junction organization synapse organization regulation of transforming growth factor beta production regulation of transforming growth factor beta1 production negative regulation of cellular metabolic process regulation of cytokine production regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of transforming growth factor beta1 production negative regulation of metabolic process regulation of cellular metabolic process negative regulation of cytokine production regulation of macromolecule metabolic process negative regulation of cellular biosynthetic process negative regulation of transforming growth factor beta production regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process negative regulation of multicellular organismal process regulation of metabolic process neuron apoptotic process negative regulation of neuron apoptotic process negative regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death negative regulation of apoptotic process regulation of neuron apoptotic process substrate-dependent cell migration, cell extension plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly substrate-dependent cell migration cell projection assembly cell adhesion cell-cell adhesion cell-cell adhesion mediated by cadherin axonogenesis developmental growth plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell growth cell morphogenesis neurogenesis cell projection morphogenesis neuron differentiation neuron projection morphogenesis collateral sprouting developmental cell growth growth nervous system development axon development cell morphogenesis involved in neuron differentiation developmental growth involved in morphogenesis generation of neurons anatomical structure morphogenesis neuron development positive regulation of establishment of protein localization positive regulation of secretion by cell positive regulation of protein transport regulation of secretion by cell positive regulation of secretion regulation of transport regulation of establishment of protein localization regulation of protein transport positive regulation of protein secretion regulation of protein secretion regulation of secretion positive regulation of transport filopodium assembly response to hormone response to chemical response to peptide hormone response to insulin response to oxygen-containing compound response to nitrogen compound regulation of synaptic plasticity trans-synaptic signaling modulation of chemical synaptic transmission cell-cell signaling chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of biological quality membrane organization neurotrophin TRK receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway immunological synapse formation cell-cell recognition cell activation cell recognition lymphocyte activation leukocyte activation maintenance of blood-brain barrier multicellular organismal-level homeostasis homeostatic process anatomical structure homeostasis tissue homeostasis biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus defense response inflammatory response response to oxidative stress response to glial cell derived neurotrophic factor D-glucose import hexose transmembrane transport carbohydrate transport transmembrane transport D-glucose transmembrane transport monosaccharide transmembrane transport carbohydrate transmembrane transport cell-cell junction organization cellular component disassembly protein-containing complex disassembly actin filament depolymerization protein depolymerization regulation of cellular component size regulation of protein-containing complex assembly negative regulation of protein polymerization regulation of actin filament polymerization negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization regulation of actin filament organization 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 positive regulation of cellular component organization positive regulation of neuron projection development positive regulation of cell projection organization regulation of cell projection organization regulation of plasma membrane bounded cell projection organization muscle hypertrophy regulation of muscle adaptation positive regulation of cardiac muscle hypertrophy 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 positive regulation of muscle hypertrophy cardiac muscle hypertrophy positive regulation of multicellular organismal process maintenance of location maintenance of protein location maintenance of location in cell maintenance of protein location in cell sequestering of actin monomers lamellipodium assembly regulation of cell projection assembly regulation of plasma membrane bounded cell projection assembly regulation of lamellipodium assembly regulation of lamellipodium organization lamellipodium organization 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	intracellular organelle intracellular anatomical structure podosome cytoskeleton organelle intracellular non-membrane-bounded organelle cellular anatomical entity actin cytoskeleton non-membrane-bounded organelle extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region intracellular organelle intracellular anatomical structure podosome cytoskeleton organelle intracellular non-membrane-bounded organelle cellular anatomical entity actin cytoskeleton non-membrane-bounded organelle extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cell leading edge somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection cytoplasm neuromuscular junction synapse cell junction nucleus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen organelle envelope lumen organelle envelope organelle lumen nuclear envelope lumen nuclear envelope ruffle polymeric cytoskeletal fiber protein-containing complex actin filament filamentous actin supramolecular fiber supramolecular polymer supramolecular complex axon centrosome microtubule organizing center centriolar satellite microtubule cytoskeleton cell-cell junction anchoring junction filtration diaphragm slit diaphragm cell periphery plasma membrane membrane growth cone distal axon site of polarized growth Golgi apparatus subcompartment Golgi apparatus organelle subcompartment trans-Golgi network membrane trans-Golgi network organelle membrane nucleolus fibrillar center nuclear lumen endosome intracellular vesicle cytoplasmic vesicle late endosome cytosol contractile muscle fiber myofibril perinuclear region of cytoplasm actin-based cell projection filopodium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002189	F-actin-capping protein subunit alpha	Family
A	IPR042489	F-actin capping protein, alpha subunit, domain 1	Homologous Superfamily
A	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
A	IPR017865	F-actin capping protein, alpha subunit, conserved site	Conserved Site
A	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
B	IPR001698	F-actin-capping protein subunit beta	Family
B	IPR019771	F-actin capping protein, beta subunit, conserved site	Conserved Site
B	IPR043175	F-actin-capping protein subunit beta, N-terminal domain	Homologous Superfamily
B	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
B	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
C	IPR036028	SH3-like domain superfamily	Homologous Superfamily
C	IPR035777	CD2-associated protein, third SH3 domain	Domain
C	IPR001452	SH3 domain	Domain
C	IPR035775	CD2-associated protein, first SH3 domain	Domain
C	IPR050384	Endophilin/SH3RF	Family
C	IPR035776	CD2-associated protein, second SH3 domain	Domain
C	IPR029006	ADF-H/Gelsolin-like domain superfamily	Homologous Superfamily
C	IPR028458	Twinfilin	Family
C	IPR002108	Actin-depolymerising factor homology domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C	Pharos: Q9Y5K6	Alzheimer disease focal segmental glomerulosclerosis 3, susceptibility to focal segmental glomerulosclerosis plasma cell myeloma spina bifida Acute Confusional Senile Dementia lung adenocarcinoma medulloblastoma pancreatic intraductal papillary-mucinous neoplasm glioblastoma malignant ependymoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia proteinuria atypical teratoid rhabdoid tumor Alzheimer disease focal segmental glomerulosclerosis 3, susceptibility to focal segmental glomerulosclerosis plasma cell myeloma spina bifida Acute Confusional Senile Dementia lung adenocarcinoma medulloblastoma pancreatic intraductal papillary-mucinous neoplasm glioblastoma malignant ependymoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia proteinuria atypical teratoid rhabdoid tumor malignant glioma pancreatic intraductal papillary-mucinous carcinoma

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.