Annotations: 8F1A

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth K]	SCOP2B Superfamily	P-loop motor domain	8098982	3002036	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	PF03953	e8f1aA2	A: a+b three layers	X: Bacillus chorismate mutase-like	H: Tubulin C-terminal domain-like (From Topology)	T: Tubulin C-terminal domain-like	F: PF03953	ECOD (1.6)
A	PF00091	e8f1aA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Tubulin nucleotide-binding domain-like	F: PF00091	ECOD (1.6)
B	PF03953	e8f1aB2	A: a+b three layers	X: Bacillus chorismate mutase-like	H: Tubulin C-terminal domain-like (From Topology)	T: Tubulin C-terminal domain-like	F: PF03953	ECOD (1.6)
B	PF00091	e8f1aB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Tubulin nucleotide-binding domain-like	F: PF00091	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Tubulin alpha-1B chain	structural constituent of cytoskeleton structural molecule activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding structural constituent of cytoskeleton structural molecule activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding metal ion binding pyrophosphatase activity GTPase 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	cellular process cell cycle mitotic cell cycle cellular component organization organelle organization microtubule cytoskeleton organization microtubule-based process cellular component organization or biogenesis cytoskeleton organization	intracellular anatomical structure cytoplasm cellular anatomical entity polymeric cytoskeletal fiber intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle supramolecular fiber microtubule supramolecular polymer supramolecular complex microtubule cytoskeleton non-membrane-bounded organelle
B	Tubulin beta-2B chain	structural constituent of cytoskeleton structural molecule activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding structural constituent of cytoskeleton structural molecule activity binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity GTPase 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 process cellular process	intracellular anatomical structure cytoplasm cellular anatomical entity polymeric cytoskeletal fiber intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle supramolecular fiber microtubule supramolecular polymer supramolecular complex microtubule cytoskeleton non-membrane-bounded organelle
C [auth K]	Kinesin-like protein KIF20A	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 kinase binding enzyme binding protein kinase 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 regulation of cytokinesis regulation of biological process regulation of cellular process regulation of cell cycle process biological regulation cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process microtubule-based movement microtubule-based process cellular process regulation of cytokinesis regulation of biological process regulation of cellular process regulation of cell cycle process biological regulation cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process cellular component organization microtubule bundle formation organelle organization microtubule cytoskeleton organization cellular component organization or biogenesis cytoskeleton organization mitotic cell cycle process cytoskeleton-dependent cytokinesis mitotic cytokinesis mitotic cell cycle protein localization establishment of protein localization cellular localization nitrogen compound transport transport organic substance transport establishment of localization localization protein transport cellular macromolecule localization macromolecule localization membrane organization mitotic cytokinetic process midbody abscission cytokinetic process	midbody cellular anatomical entity intercellular bridge membrane-bounded organelle intracellular organelle intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system protein-containing complex cytoskeleton intracellular non-membrane-bounded organelle midbody cellular anatomical entity intercellular bridge membrane-bounded organelle intracellular organelle intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system protein-containing complex cytoskeleton intracellular non-membrane-bounded organelle microtubule associated complex kinesin complex microtubule cytoskeleton non-membrane-bounded organelle spindle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen polymeric cytoskeletal fiber supramolecular fiber microtubule supramolecular polymer supramolecular complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003008	Tubulin/FtsZ, GTPase domain	Domain
A	IPR008280	Tubulin/FtsZ, C-terminal	Homologous Superfamily
A	IPR037103	Tubulin/FtsZ-like, C-terminal domain	Homologous Superfamily
A	IPR017975	Tubulin, conserved site	Conserved Site
A	IPR002452	Alpha tubulin	Family
A	IPR000217	Tubulin	Family
A	IPR023123	Tubulin, C-terminal	Homologous Superfamily
A	IPR018316	Tubulin/FtsZ, 2-layer sandwich domain	Domain
A	IPR036525	Tubulin/FtsZ, GTPase domain superfamily	Homologous Superfamily
B	IPR003008	Tubulin/FtsZ, GTPase domain	Domain
B	IPR008280	Tubulin/FtsZ, C-terminal	Homologous Superfamily
B	IPR037103	Tubulin/FtsZ-like, C-terminal domain	Homologous Superfamily
B	IPR017975	Tubulin, conserved site	Conserved Site
B	IPR000217	Tubulin	Family
B	IPR023123	Tubulin, C-terminal	Homologous Superfamily
B	IPR002453	Beta tubulin	Family
B	IPR013838	Beta tubulin, autoregulation binding site	Binding Site
B	IPR018316	Tubulin/FtsZ, 2-layer sandwich domain	Domain
B	IPR036525	Tubulin/FtsZ, GTPase domain superfamily	Homologous Superfamily
C [auth K]	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
C [auth K]	IPR001752	Kinesin motor domain	Domain
C [auth K]	IPR027640	Kinesin-like protein	Family
C [auth K]	IPR019821	Kinesin motor domain, conserved site	Conserved Site
C [auth K]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily