Annotations: 2KFK

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2kfka1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	CAD & PB1 domains	PB1 domain	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d2kfka2	Artifacts	Tags	Tags	Tags	N-terminal Tags	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d2kfkb1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	CAD & PB1 domains	PB1 domain	automated matches	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d2kfkb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	CAD & PB1 domains	8034151	3000318	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	CAD & PB1 domains	8034820	3000318	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	PB1	e2kfkA1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PB1	ECOD (1.6)
B	PB1	e2kfkB1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PB1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.90	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Phosphatidylinositol 3-kinase Catalytic Subunit	CATH (4.3.0)
B	3.10.20.90	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Phosphatidylinositol 3-kinase Catalytic Subunit	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Bud emergence protein 1	protein-macromolecule adaptor activity molecular adaptor activity binding phospholipid binding lipid binding phosphatidylinositol-3-phosphate binding phosphatidylinositol phosphate binding phosphatidylinositol binding	developmental process anatomical structure morphogenesis sexual reproduction reproductive process anatomical structure development cell morphogenesis involved in conjugation with cellular fusion cell morphogenesis conjugation with cellular fusion cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis establishment or maintenance of cell polarity mitotic cell cycle establishment of cell polarity developmental process anatomical structure morphogenesis sexual reproduction reproductive process anatomical structure development cell morphogenesis involved in conjugation with cellular fusion cell morphogenesis conjugation with cellular fusion cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis establishment or maintenance of cell polarity mitotic cell cycle establishment of cell polarity mitotic cell cycle process cellular process cell cycle cell division cellular bud site selection cell cycle process cellular response to stimulus regulation of biological process regulation of signaling regulation of cellular process small GTPase-mediated signal transduction response to stimulus signaling regulation of small GTPase mediated signal transduction biological regulation regulation of signal transduction regulation of Rho protein signal transduction intracellular signal transduction Rho protein signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus intracellular signaling cassette regulation of cell communication signal transduction positive regulation of organelle organization regulation of cellular component organization positive regulation of cellular component organization vacuole organization positive regulation of vacuole organization positive regulation of vacuole fusion, non-autophagic positive regulation of biological process regulation of vacuole organization regulation of organelle organization cellular component organization organelle fusion organelle organization vacuole fusion vacuole fusion, non-autophagic regulation of vacuole fusion, non-autophagic cellular component organization or biogenesis positive regulation of cellular process maintenance of protein location protein localization localization cellular localization cellular macromolecule localization macromolecule localization maintenance of location	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle incipient cellular bud site site of polarized growth cellular bud cellular bud tip cell periphery cell cortex membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle incipient cellular bud site site of polarized growth cellular bud cellular bud tip cell periphery cell cortex cell projection mating projection cell tip mating projection tip cell pole plasma membrane bounded cell projection protein kinase complex transferase complex, transferring phosphorus-containing groups PAR polarity complex protein-containing complex catalytic complex serine/threonine protein kinase complex transferase complex cytoskeleton membraneless organelle intracellular membraneless organelle cellular bud neck
B	Cell division control protein 24	GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	cellular response to stimulus regulation of cellular process response to stimulus sexual reproduction signaling regulation of reproductive process reproductive process positive regulation of biological process regulation of conjugation with cellular fusion regulation of signal transduction response to pheromone cell communication cellular response to pheromone positive regulation of conjugation with cellular fusion cellular response to stimulus regulation of cellular process response to stimulus sexual reproduction signaling regulation of reproductive process reproductive process positive regulation of biological process regulation of conjugation with cellular fusion regulation of signal transduction response to pheromone cell communication cellular response to pheromone positive regulation of conjugation with cellular fusion signal transduction positive regulation of reproductive process pheromone-dependent signal transduction involved in conjugation with cellular fusion regulation of biological process regulation of signaling regulation of signal transduction involved in conjugation with cellular fusion signal transduction involved in positive regulation of conjugation with cellular fusion biological regulation conjugation with cellular fusion response to pheromone triggering conjugation with cellular fusion cellular response to chemical stimulus regulation of response to stimulus regulation of pheromone-dependent signal transduction involved in conjugation with cellular fusion response to chemical regulation of cell communication cellular process cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis establishment or maintenance of cell polarity mitotic cell cycle establishment of cell polarity mitotic cell cycle process cell cycle cell division cellular bud site selection cell cycle process regulation of cell cycle phase transition cell cycle phase transition exit from mitosis cellular component organization regulation of mitotic cell cycle cellular component organization or biogenesis regulation of cell cycle mitotic nuclear division regulation of cell cycle process organelle fission regulation of mitotic cell cycle phase transition nuclear division organelle organization regulation of exit from mitosis mitotic cell cycle phase transition chemotropism tropism response to external stimulus small GTPase-mediated signal transduction regulation of small GTPase mediated signal transduction regulation of Rho protein signal transduction intracellular signal transduction Rho protein signal transduction regulation of intracellular signal transduction intracellular signaling cassette protein localization localization protein localization to cell periphery cellular localization cellular macromolecule localization macromolecule localization protein localization to cell cortex septin ring organization septin cytoskeleton organization cytoskeleton organization	cellular anatomical structure incipient cellular bud site site of polarized growth cellular bud cellular bud tip cell periphery cell cortex intracellular anatomical structure cytoplasm cell projection mating projection cell tip mating projection tip cell pole cellular anatomical structure incipient cellular bud site site of polarized growth cellular bud cellular bud tip cell periphery cell cortex intracellular anatomical structure cytoplasm cell projection mating projection cell tip mating projection tip cell pole plasma membrane bounded cell projection cell division site cell septum division septum protein kinase complex transferase complex, transferring phosphorus-containing groups PAR polarity complex protein-containing complex catalytic complex serine/threonine protein kinase complex transferase complex Cdc24p-Far1p-Gbetagamma complex cellular bud neck membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR051228	NADPH Oxidase and PX Domain-Containing	Family
A	IPR001683	Phox homology	Domain
A	IPR000270	PB1 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR035550	Bem1/Scd2, PX domain	Domain
A	IPR035549	Bem1/Scd2, SH3 domain 2	Domain
A	IPR035548	Bem1/Scd2, SH3 domain 1	Domain
A	IPR053793	PB1-like domain	Domain
A	IPR036871	PX domain superfamily	Homologous Superfamily
A	IPR001452	SH3 domain	Domain
B	IPR001849	Pleckstrin homology domain	Domain
B	IPR000270	PB1 domain	Domain
B	IPR053026	CDC42 guanine nucleotide exchange factor	Family
B	IPR000219	Dbl homology domain	Domain
B	IPR001715	Calponin homology domain	Domain
B	IPR011993	PH-like domain superfamily	Homologous Superfamily
B	IPR001331	Guanine-nucleotide dissociation stimulator, CDC24, conserved site	Conserved Site
B	IPR010481	Cdc24/Scd1, N-terminal	Domain
B	IPR053793	PB1-like domain	Domain
B	IPR036872	CH domain superfamily	Homologous Superfamily
B	IPR035899	Dbl homology (DH) domain superfamily	Homologous Superfamily
B	IPR033511	Rho guanine nucleotide exchange factor Cdc24/Scd1, PH domain	Domain