Annotations: 5YBE

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Ankyrin repeat	8086370	4000366	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ankyrin repeat	8089693	3000154	SCOP2 (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	PF12796	e5ybeA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ankyrin repeat (From Topology)	T: Ankyrin repeat	F: PF12796	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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Kank1 protein	beta-catenin binding protein binding binding	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 epithelium migration multicellular organismal process tissue migration ameboidal-type cell migration podocyte cell migration epithelial cell migration cell migration cell motility 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 cell population proliferation regulation of cell-substrate adhesion regulation of cell adhesion regulation of substrate adhesion-dependent cell spreading cell-substrate adhesion negative regulation of cell adhesion cell adhesion negative regulation of substrate adhesion-dependent cell spreading substrate adhesion-dependent cell spreading negative regulation of cell-substrate adhesion organelle organization actin cytoskeleton organization actin filament-based process cytoskeleton organization regulation of neuron projection development cellular developmental process cell development neuron projection development neurogenesis multicellular organism development neuron differentiation cell differentiation system development nervous system development negative regulation of neuron projection development generation of neurons neuron development cellular response to stimulus regulation of signaling small GTPase-mediated signal transduction signaling regulation of small GTPase mediated signal transduction regulation of signal transduction regulation of Rho protein signal transduction intracellular signal transduction Rho protein signal transduction cell communication regulation of intracellular signal transduction intracellular signaling cassette regulation of cell communication signal transduction regulation of cytoskeleton organization regulation of actin filament-based process regulation of cellular component size cellular component biogenesis regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly 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 actin polymerization or depolymerization regulation of actin filament organization actin filament polymerization protein-containing complex organization negative regulation of cytoskeleton organization actin filament organization regulation of actin polymerization or depolymerization regulation of cellular component biogenesis regulation of organelle organization negative regulation of protein-containing complex assembly negative regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization supramolecular fiber organization regulation of anatomical structure size cellular response to nitrogen compound response to organic substance negative regulation of signaling response to peptide hormone insulin receptor signaling pathway regulation of cellular response to insulin stimulus negative regulation of cell communication cell surface receptor protein tyrosine kinase signaling pathway cellular response to endogenous stimulus response to hormone cellular response to organic substance enzyme-linked receptor protein signaling pathway cellular response to hormone stimulus cell surface receptor signaling pathway negative regulation of response to stimulus response to endogenous stimulus response to organonitrogen compound regulation of insulin receptor signaling pathway response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound negative regulation of signal transduction cellular response to oxygen-containing compound cellular response to chemical stimulus negative regulation of cellular response to insulin stimulus cellular response to organonitrogen compound negative regulation of insulin receptor signaling pathway response to chemical response to insulin cellular response to insulin stimulus negative regulation of Rho protein signal transduction negative regulation of intracellular signal transduction negative regulation of small GTPase mediated signal transduction positive regulation of cell communication positive regulation of signal transduction positive regulation of Wnt signaling pathway Wnt signaling pathway positive regulation of cellular process regulation of Wnt signaling pathway positive regulation of signaling negative regulation of locomotion regulation of cell motility regulation of locomotion regulation of cell migration negative regulation of cell motility negative regulation of cell migration locomotion regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway positive regulation of canonical Wnt signaling pathway ruffle organization plasma membrane bounded cell projection assembly negative regulation of ruffle assembly ruffle assembly negative regulation of plasma membrane bounded cell projection assembly regulation of cell projection assembly regulation of plasma membrane bounded cell projection assembly regulation of ruffle assembly cell projection assembly regulation of establishment of cell polarity regulation of establishment or maintenance of cell polarity establishment of cell polarity establishment or maintenance of cell polarity	ruffle cell leading edge plasma membrane membrane leading edge membrane cellular anatomical entity plasma membrane bounded cell projection cell periphery cell projection ruffle membrane plasma membrane region cell projection membrane intracellular anatomical structure cytoplasm ruffle cell leading edge plasma membrane membrane leading edge membrane cellular anatomical entity plasma membrane bounded cell projection cell periphery cell projection ruffle membrane plasma membrane region cell projection membrane intracellular anatomical structure cytoplasm intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B	KIF21A	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cytoskeletal protein binding microtubule binding protein binding tubulin binding ankyrin repeat binding protein domain specific binding microtubule motor activity cytoskeletal motor activity ATP-dependent 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	microtubule-based movement microtubule-based process cellular process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle microtubule associated complex kinesin complex microtubule cytoskeleton non-membrane-bounded organelle axon intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle microtubule associated complex kinesin complex microtubule cytoskeleton non-membrane-bounded organelle axon cell projection neuron projection plasma membrane bounded cell projection somatodendritic compartment dendrite dendritic tree polymeric cytoskeletal fiber supramolecular fiber microtubule supramolecular polymer supramolecular complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A	IPR047184	KN motif and ankyrin repeat domain-containing protein 1-4	Family
A	IPR002110	Ankyrin repeat	Repeat
B	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
B	IPR001752	Kinesin motor domain	Domain
B	IPR019775	WD40 repeat, conserved site	Conserved Site
B	IPR027640	Kinesin-like protein	Family
B	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
B	IPR001680	WD40 repeat	Repeat
B	IPR019821	Kinesin motor domain, conserved site	Conserved Site
B	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.