4Z68

Hybrid structural analysis of the Arp2/3 regulator Arpin identifies its acidic tail as a primary binding epitope

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	Ankyrin repeat	8078417	3000154	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	Ank_2	e4z68A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: Ank_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.40.20	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Ankyrin repeat-containing domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF12796	Ankyrin repeats (3 copies) (Ank_2)	Ankyrin repeats (3 copies)	-	Repeat
B [auth E]	PF10574	Arp2/3-interacting proteins Arpin (UPF0552)	Arp2/3-interacting proteins Arpin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Tankyrase-2	NAD+ ADP-ribosyltransferase activity pentosyltransferase activity glycosyltransferase activity transferase activity catalytic activity catalytic activity, acting on a protein NAD+-protein ADP-ribosyltransferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups protein binding binding enzyme binding cation binding ion binding NAD+ ADP-ribosyltransferase activity pentosyltransferase activity glycosyltransferase activity transferase activity catalytic activity catalytic activity, acting on a protein NAD+-protein ADP-ribosyltransferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups protein binding binding enzyme binding cation binding ion binding metal ion binding small molecule binding	organonitrogen compound metabolic process protein polyubiquitination primary metabolic process organic substance metabolic process protein ubiquitination macromolecule modification nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal organonitrogen compound metabolic process protein polyubiquitination primary metabolic process organic substance metabolic process protein ubiquitination macromolecule modification nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal positive regulation of organelle organization regulation of cellular process telomere organization regulation of DNA biosynthetic process positive regulation of macromolecule biosynthetic process RNA-templated DNA biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process telomere maintenance via telomere lengthening regulation of nitrogen compound metabolic process positive regulation of metabolic process heterocycle metabolic process organic substance biosynthetic process positive regulation of telomere maintenance via telomere lengthening positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological process positive regulation of telomere maintenance positive regulation of nucleobase-containing compound metabolic process cellular metabolic process cellular nitrogen compound metabolic process regulation of cellular metabolic process DNA metabolic process regulation of chromosome organization regulation of telomere maintenance via telomere lengthening regulation of organelle organization positive regulation of chromosome organization telomere maintenance organic cyclic compound metabolic process biosynthetic process positive regulation of DNA metabolic process positive regulation of telomere maintenance via telomerase aromatic compound biosynthetic process organic cyclic compound biosynthetic process regulation of macromolecule biosynthetic process DNA biosynthetic process regulation of metabolic process regulation of DNA metabolic process regulation of telomere maintenance regulation of cellular component organization positive regulation of cellular component organization cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process cellular component organization nucleic acid biosynthetic process positive regulation of biosynthetic process cellular component organization or biogenesis positive regulation of cellular process regulation of biosynthetic process telomere maintenance via telomerase biological regulation chromosome organization positive regulation of DNA biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process regulation of telomere maintenance via telomerase regulation of cellular biosynthetic process organelle organization positive regulation of nitrogen compound metabolic process cellular process cellular aromatic compound metabolic process positive regulation of cellular biosynthetic process protein localization localization cellular localization protein localization to chromosome protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to chromosome, telomeric region negative regulation of telomere maintenance negative regulation of biological process negative regulation of nitrogen compound metabolic process negative regulation of cellular metabolic process negative regulation of chromosome organization negative regulation of nucleobase-containing compound metabolic process negative regulation of cellular component organization negative regulation of metabolic process negative regulation of telomere maintenance via telomere lengthening negative regulation of cellular process negative regulation of macromolecule metabolic process negative regulation of organelle organization negative regulation of DNA metabolic process cellular response to stimulus cell surface receptor signaling pathway response to stimulus signaling cell communication signal transduction Wnt signaling pathway positive regulation of cell communication positive regulation of signal transduction regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway regulation of signal transduction positive regulation of response to stimulus positive regulation of Wnt signaling pathway positive regulation of canonical Wnt signaling pathway regulation of signaling regulation of Wnt signaling pathway regulation of response to stimulus regulation of cell communication positive regulation of signaling protein poly-ADP-ribosylation telomere capping positive regulation of telomere capping regulation of telomere capping protein auto-ADP-ribosylation	membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus cellular anatomical entity intracellular membrane-bounded organelle endomembrane system cytoplasm cytosol Golgi membrane Golgi apparatus membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus cellular anatomical entity intracellular membrane-bounded organelle endomembrane system cytoplasm cytosol Golgi membrane Golgi apparatus membrane bounding membrane of organelle organelle membrane pericentriolar material centrosome microtubule organizing center cytoskeleton intracellular non-membrane-bounded organelle microtubule cytoskeleton non-membrane-bounded organelle perinuclear region of cytoplasm chromosome chromosome, telomeric region chromosomal region
B [auth E]	GLU-ILE-ARG-GLU-GLN-GLY-ASP-GLY-ALA-GLU-ASP-GLU	-	regulation of cellular component organization regulation of cellular process regulation of developmental process cell projection organization plasma membrane bounded cell projection morphogenesis negative regulation of biological process negative regulation of lamellipodium morphogenesis cell morphogenesis regulation of cell morphogenesis cellular component organization cell projection morphogenesis regulation of lamellipodium organization anatomical structure development negative regulation of cellular process regulation of cellular component organization regulation of cellular process regulation of developmental process cell projection organization plasma membrane bounded cell projection morphogenesis negative regulation of biological process negative regulation of lamellipodium morphogenesis cell morphogenesis regulation of cell morphogenesis cellular component organization cell projection morphogenesis regulation of lamellipodium organization anatomical structure development negative regulation of cellular process regulation of lamellipodium morphogenesis cellular component organization or biogenesis negative regulation of cell projection organization regulation of anatomical structure morphogenesis developmental process regulation of biological process plasma membrane bounded cell projection organization negative regulation of cellular component organization regulation of cell projection organization negative regulation of developmental process biological regulation anatomical structure morphogenesis negative regulation of lamellipodium organization lamellipodium organization lamellipodium morphogenesis cellular process regulation of plasma membrane bounded cell projection organization regulation of cytoskeleton organization regulation of actin filament-based process regulation of actin nucleation actin filament-based process negative regulation of supramolecular fiber organization negative regulation of actin nucleation regulation of actin filament organization actin cytoskeleton organization negative regulation of cytoskeleton organization actin filament organization regulation of organelle organization organelle organization negative regulation of organelle organization regulation of actin cytoskeleton organization regulation of supramolecular fiber organization actin nucleation supramolecular fiber organization cytoskeleton organization negative regulation of locomotion regulation of cell motility regulation of locomotion regulation of cell migration negative regulation of cell motility cell migration cell motility negative regulation of cell migration locomotion directional locomotion	cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A	IPR012317	Poly(ADP-ribose) polymerase, catalytic domain	Domain
A	IPR002110	Ankyrin repeat	Repeat
A	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A	IPR001660	Sterile alpha motif domain	Domain
B [auth E]	IPR018889	Arpin	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9H2K2	ovarian cancer acute myeloid leukemia exocrine pancreatic carcinoma intellectual disability malignant glioma mast cell leukemia aggressive systemic mastocytosis Hormone refractory prostate cancer interstitial lung disease malignant pancreatic neoplasm medulloblastoma ovarian epithelial tumor atypical teratoid rhabdoid tumor large cell medulloblastoma osteosarcoma
B [auth E]	Pharos: Q7Z6K5	gallbladder disease pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia malignant ependymoma psoriasis osteosarcoma tuberculosis

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.