Annotations: 4Y5O

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PAH2 domain-like	8091806	3000467	SCOP2B (2021-05-27)
B	SCOP2B Superfamily	CAD & PB1 domains	8039437	3000318	SCOP2B (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF16545	e4y5oA1	A: alpha bundles	X: PAH2 domain (From Topology)	H: PAH2 domain (From Topology)	T: PAH2 domain	F: PF16545	ECOD (1.6)
B	PF00564	e4y5oB1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF00564	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1160.20	Mainly Alpha	Up-down Bundle	Paired amphipathic helix 2 (pah2 repeat)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00564	PB1 domain (PB1)	PB1 domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Malcavernin	-	developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of developmental process blood vessel morphogenesis tube development biological regulation angiogenesis vasculature development regulation of vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of developmental process blood vessel morphogenesis tube development biological regulation angiogenesis vasculature development regulation of vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis regulation of angiogenesis anatomical structure development anatomical structure formation involved in morphogenesis regulation of multicellular organismal process regulation of anatomical structure morphogenesis blood vessel development system development heart development animal organ development epithelium development tissue development pericardium development venous blood vessel development venous blood vessel morphogenesis endothelial cell differentiation cellular developmental process endothelium development cell development epithelial cell differentiation endothelial cell development epithelial cell development cell differentiation cellular process vasculogenesis cellular response to stimulus regulation of cellular process response to stimulus signaling intracellular signal transduction cell communication stress-activated MAPK cascade stress-activated protein kinase signaling cascade cellular response to stress response to stress intracellular signaling cassette MAPK cascade signal transduction blood vessel endothelial cell differentiation ear development sensory organ development inner ear development integrin-mediated signaling pathway cell surface receptor signaling pathway multicellular organism growth developmental growth growth morphogenesis of an endothelium endothelial tube morphogenesis morphogenesis of an epithelium tissue morphogenesis epithelial tube morphogenesis cellular component organization cell junction organization cellular component organization or biogenesis cell-cell junction organization embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex
B	Mitogen-activated protein kinase kinase kinase 3	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 catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein serine/threonine kinase activity MAP kinase kinase kinase activity cation binding metal ion binding protein serine kinase activity	cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction positive regulation of canonical NF-kappaB signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction positive regulation of canonical NF-kappaB signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of biological process regulation of signaling biological regulation positive regulation of intracellular signal transduction canonical NF-kappaB signal transduction regulation of response to stimulus regulation of cell communication regulation of canonical NF-kappaB signal transduction cellular process positive regulation of signaling cell population proliferation positive regulation of cell population proliferation positive regulation of cell proliferation in bone marrow cell proliferation in bone marrow regulation of cell proliferation in bone marrow regulation of cell population proliferation regulation of cellular senescence cellular metabolic process negative regulation of metabolic process negative regulation of biological process cellular senescence regulation of cellular metabolic process negative regulation of cellular metabolic process negative regulation of cellular senescence cellular response to stress response to stress negative regulation of cellular process metabolic process regulation of metabolic process p38MAPK cascade positive regulation of MAPK cascade regulation of MAPK cascade positive regulation of p38MAPK cascade regulation of p38MAPK cascade MAPK cascade developmental process multicellular organism development multicellular organismal process anatomical structure development vasculature development blood vessel development system development circulatory system development positive regulation of locomotion regulation of cell motility cell migration involved in sprouting angiogenesis regulation of blood vessel endothelial cell migration endothelial cell migration angiogenesis positive regulation of cell migration positive regulation of epithelial cell migration tube morphogenesis tissue migration ameboidal-type cell migration positive regulation of cell motility regulation of cell migration blood vessel endothelial cell migration regulation of endothelial cell migration epithelial cell migration cell migration regulation of multicellular organismal process positive regulation of cell migration involved in sprouting angiogenesis cell motility regulation of epithelial cell migration locomotion blood vessel morphogenesis tube development regulation of cell migration involved in sprouting angiogenesis sprouting angiogenesis positive regulation of blood vessel endothelial cell migration anatomical structure morphogenesis epithelium migration regulation of locomotion positive regulation of endothelial cell migration anatomical structure formation involved in morphogenesis protein phosphorylation organonitrogen compound metabolic process protein autophosphorylation phosphorylation primary metabolic process macromolecule modification phosphate-containing compound metabolic process protein metabolic process macromolecule metabolic process protein modification process phosphorus metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006020	PTB/PI domain	Domain
A	IPR032375	Cerebral cavernous malformations 2, harmonin-homology domain	Domain
A	IPR026159	Cerebral cavernous malformations 2	Family
A	IPR011993	PH-like domain superfamily	Homologous Superfamily
B	IPR034879	Mitogen-activated protein kinase kinase kinase 2/3, PB1 domain	Domain
B	IPR000270	PB1 domain	Domain
B	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
B	IPR000719	Protein kinase domain	Domain

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 R01GM133198.