Annotations: 1IP9

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ip9a1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	CAD & PB1 domains	PB1 domain	Bud emergence mediator Bemp1	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d1ip9a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	baker's 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	SCOP2 Family	PB1 domain	8021771	4003488	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	CAD & PB1 domains	8034151	3000318	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	PB1	e1ip9A1	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	BEM1 PROTEIN	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 maintenance of protein location protein localization localization cellular localization cellular macromolecule localization macromolecule localization maintenance of location	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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 intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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 intracellular non-membrane-bounded organelle non-membrane-bounded organelle cellular bud neck

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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	IPR036871	PX domain superfamily	Homologous Superfamily
A	IPR001452	SH3 domain	Domain

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.