Annotations: 4XE0

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Beta-Casp	e4xe0A1	A: a/b three-layered sandwiches	X: Glycosyl hydrolase domain-like	H: Glycoside hydrolase family 127 middle domain-related	T: Glycoside hydrolase family 127 middle domain-related	F: Beta-Casp	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.40.70	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Phosphatidylinositol 3-kinase, accessory domain (PIK)	CATH (4.3.0)
A	3.10.20.90	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Phosphatidylinositol 3-kinase Catalytic Subunit	CATH (4.3.0)
A	2.60.40.150	Mainly Beta	Sandwich	Immunoglobulin-like	C2 domain	CATH (4.3.0)
A	3.30.1010.10	Alpha Beta	2-Layer Sandwich	Phosphatidylinositol 3-kinase Catalytic Subunit	Chain A, domain 4	CATH (4.3.0)
A	1.10.1070.11	Mainly Alpha	Orthogonal Bundle	Phosphatidylinositol 3-kinase Catalytic Subunit	Chain A, Domain 5	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00454	Phosphatidylinositol 3- and 4-kinase (PI3_PI4_kinase)	Phosphatidylinositol 3- and 4-kinase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform	phosphatidylinositol kinase activity kinase activity lipid kinase activity transferase activity 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups 1-phosphatidylinositol-3-kinase activity 1-phosphatidylinositol-4-phosphate 3-kinase activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding phosphatidylinositol kinase activity kinase activity lipid kinase activity transferase activity 1-phosphatidylinositol-4,5-bisphosphate 3-kinase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups 1-phosphatidylinositol-3-kinase activity 1-phosphatidylinositol-4-phosphate 3-kinase activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	multicellular organismal process regulation of cellular process homeostatic process leukocyte apoptotic process positive regulation of biological process regulation of programmed cell death regulation of neutrophil apoptotic process positive regulation of myeloid cell apoptotic process positive regulation of neutrophil apoptotic process regulation of immune system process myeloid cell homeostasis positive regulation of leukocyte apoptotic process positive regulation of immune system process positive regulation of cellular process multicellular organismal process regulation of cellular process homeostatic process leukocyte apoptotic process positive regulation of biological process regulation of programmed cell death regulation of neutrophil apoptotic process positive regulation of myeloid cell apoptotic process positive regulation of neutrophil apoptotic process regulation of immune system process myeloid cell homeostasis positive regulation of leukocyte apoptotic process positive regulation of immune system process positive regulation of cellular process regulation of leukocyte apoptotic process myeloid cell apoptotic process regulation of biological process positive regulation of programmed cell death regulation of apoptotic process biological regulation cell death positive regulation of apoptotic process neutrophil homeostasis neutrophil apoptotic process multicellular organismal-level homeostasis leukocyte homeostasis immune system process inflammatory cell apoptotic process cellular process homeostasis of number of cells apoptotic process programmed cell death regulation of myeloid cell apoptotic process developmental process cellular developmental process cell differentiation phosphatidylinositol metabolic process glycerophospholipid biosynthetic process phosphatidylinositol-3-phosphate biosynthetic process glycerophospholipid metabolic process lipid biosynthetic process primary metabolic process phosphatidylinositol phosphate biosynthetic process phospholipid biosynthetic process phosphatidylinositol biosynthetic process phospholipid metabolic process biosynthetic process glycerolipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process metabolic process glycerolipid metabolic process phosphorus metabolic process lipid metabolic process positive regulation of locomotion regulation of cell motility endothelial cell migration positive regulation of cell migration regulation of locomotion positive regulation of endothelial cell migration positive regulation of cell motility regulation of cell migration regulation of endothelial cell migration cell migration cell motility locomotion response to stimulus immune response adaptive immune response cellular response to stimulus signaling intracellular signal transduction cell communication intracellular signaling cassette signal transduction phosphatidylinositol 3-kinase/protein kinase B signal transduction regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process cellular response to growth factor stimulus cell surface receptor signaling pathway response to endogenous stimulus cell surface receptor protein tyrosine kinase signaling pathway vascular endothelial growth factor signaling pathway cellular response to endogenous stimulus cellular response to vascular endothelial growth factor stimulus response to growth factor enzyme-linked receptor protein signaling pathway B cell activation cell activation lymphocyte activation leukocyte activation biological process involved in interspecies interaction between organisms response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to other organism response to stress innate immune response response to external biotic stimulus B cell homeostasis lymphocyte homeostasis positive regulation of epithelial tube formation regulation of developmental process tube formation positive regulation of developmental process epithelial tube formation multicellular organism development tube morphogenesis positive regulation of morphogenesis of an epithelium anatomical structure development regulation of morphogenesis of an epithelium regulation of multicellular organismal process regulation of epithelial tube formation epithelial tube morphogenesis regulation of anatomical structure morphogenesis epithelium development regulation of multicellular organismal development tube development morphogenesis of an epithelium tissue development tissue morphogenesis anatomical structure morphogenesis anatomical structure formation involved in morphogenesis positive regulation of multicellular organismal process chemotaxis taxis response to chemical phosphatidylinositol-mediated signaling angiogenesis regulation of vasculature development blood vessel development system development blood vessel morphogenesis positive regulation of angiogenesis vasculature development circulatory system development positive regulation of vasculature development regulation of angiogenesis defense response to fungus response to fungus inflammatory response negative regulation of metabolic process negative regulation of biological process negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of cellular process negative regulation of macromolecule metabolic process cell population proliferation positive regulation of cell population proliferation endothelial cell proliferation positive regulation of epithelial cell proliferation regulation of endothelial cell proliferation regulation of cell population proliferation positive regulation of endothelial cell proliferation regulation of epithelial cell proliferation epithelial cell proliferation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane protein-containing complex catalytic complex phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex, class IA phosphatidylinositol 3-kinase complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane protein-containing complex catalytic complex phosphatidylinositol 3-kinase complex, class I membrane protein complex transferase complex phosphatidylinositol 3-kinase complex, class IA phosphatidylinositol 3-kinase complex transferase complex, transferring phosphorus-containing groups extrinsic component of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR015433	Phosphatidylinositol 3-/4-kinase	Family
A	IPR037703	Phosphatidylinositol 3-kinase delta, catalytic domain	Domain
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR002420	C2 phosphatidylinositol 3-kinase-type domain	Domain
A	IPR000403	Phosphatidylinositol 3-/4-kinase, catalytic domain	Domain
A	IPR001263	Phosphoinositide 3-kinase, accessory (PIK) domain	Domain
A	IPR018936	Phosphatidylinositol 3-/4-kinase, conserved site	Conserved Site
A	IPR042236	Phosphoinositide 3-kinase, accessory (PIK) domain superfamily	Homologous Superfamily
A	IPR036940	Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily	Homologous Superfamily
A	IPR003113	Phosphatidylinositol 3-kinase, adaptor-binding domain	Domain
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR000341	Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain	Domain
A	IPR035892	C2 domain superfamily	Homologous Superfamily
A	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.