2HLE

Structural and biophysical characterization of the EPHB4-EPHRINB2 protein protein interaction and receptor specificity.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2hlea1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	Ephrin receptor ligand binding domain	Ephrin type-B receptor 4	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2hlea2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2hleb_	All beta proteins	Cupredoxin-like	Cupredoxins	Ephrin ectodomain	Ephrin-b2 ectodomain	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	galactose-binding domain-like	8033544	3000087	SCOP2B (2022-06-29)
B	SCOP2 Family	Ephrin ectodomain	8061908	4002092	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Cupredoxins	8061909	3000886	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	Ephrin_lbd	e2hleA1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: Ephrin_lbd	ECOD (1.6)
B	Ephrin	e2hleB1	A: beta sandwiches	X: Cupredoxin-like	H: Cupredoxin-related (From Topology)	T: Cupredoxin-related	F: Ephrin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)
B	2.60.40.420	Mainly Beta	Sandwich	Immunoglobulin-like	Cupredoxins - blue copper proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01404	Ephrin receptor ligand binding domain (Ephrin_lbd)	Ephrin receptor ligand binding domain	The Eph receptors, which bind to ephrins Pfam:PF00812 are a large family of receptor tyrosine kinases. This family represents the amino terminal domain which binds the ephrin ligand [1].	Domain
B	PF00812	Ephrin (Ephrin)	Ephrin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ephrin type-B receptor 4	molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity catalytic activity binding molecular transducer activity catalytic activity, acting on a protein kinase activity protein kinase activity signaling receptor activity transferase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups protein tyrosine kinase activity transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein kinase activity transmembrane signaling receptor activity catalytic activity 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 ephrin receptor activity	developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation cell surface receptor protein tyrosine kinase signaling pathway cell communication cellular process signal transduction enzyme-linked receptor protein signaling pathway ephrin receptor signaling pathway cell migration involved in sprouting angiogenesis endothelial cell migration sprouting angiogenesis blood vessel endothelial cell migration cell migration cell motility protein phosphorylation protein autophosphorylation phosphorylation primary metabolic process macromolecule modification phosphate-containing compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process phosphorus metabolic process heart development heart morphogenesis animal organ development animal organ morphogenesis cell adhesion	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol cell periphery extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane protein-containing complex receptor complex
B	Ephrin-B2	protein binding binding virus receptor activity exogenous protein binding signaling receptor binding ephrin receptor binding	adherens junction organization cellular component organization cell junction organization cellular process cellular component organization or biogenesis cell-cell junction organization developmental process multicellular organismal process venous blood vessel development blood vessel morphogenesis tube development venous blood vessel morphogenesis vasculature development circulatory system development adherens junction organization cellular component organization cell junction organization cellular process cellular component organization or biogenesis cell-cell junction organization developmental process multicellular organismal process venous blood vessel development blood vessel morphogenesis tube development venous blood vessel morphogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development blood vessel development system development regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality chemotaxis regulation of biological process response to stimulus regulation of response to external stimulus response to external stimulus regulation of chemotaxis taxis regulation of response to stimulus response to chemical regulation of locomotion locomotion animal organ development animal organ morphogenesis cellular response to stimulus regulation of cellular process cell surface receptor signaling pathway signaling cell surface receptor protein tyrosine kinase signaling pathway cell communication signal transduction enzyme-linked receptor protein signaling pathway ephrin receptor signaling pathway cell population proliferation epithelial cell proliferation keratinocyte proliferation cell-cell signaling cell migration involved in sprouting angiogenesis endothelial cell migration angiogenesis sprouting angiogenesis anatomical structure formation involved in morphogenesis blood vessel endothelial cell migration cell migration cell motility regulation of neuron projection development regulation of cellular component organization cellular developmental process cell projection organization negative regulation of biological process cell development neuron projection development neurogenesis neuron differentiation cell differentiation negative regulation of cellular process negative regulation of cell projection organization plasma membrane bounded cell projection organization negative regulation of cellular component organization regulation of cell projection organization nervous system development negative regulation of neuron projection development generation of neurons neuron development regulation of plasma membrane bounded cell projection organization positive regulation of cell population proliferation regulation of cell population proliferation positive regulation of biological process positive regulation of cellular process regulation of developmental process regulation of cell differentiation regulation of striated muscle cell differentiation regulation of cardiac muscle cell differentiation muscle cell differentiation striated muscle tissue development muscle structure development positive regulation of developmental process positive regulation of cell differentiation positive regulation of cardiocyte differentiation positive regulation of striated muscle cell differentiation regulation of multicellular organismal process muscle tissue development positive regulation of cardiac muscle cell differentiation heart development cardiac muscle tissue development cardiac muscle cell differentiation tissue development positive regulation of muscle cell differentiation cardiocyte differentiation regulation of muscle cell differentiation regulation of cardiocyte differentiation positive regulation of multicellular organismal process striated muscle cell differentiation axonogenesis plasma membrane bounded cell projection morphogenesis cell morphogenesis cell projection morphogenesis neuron projection morphogenesis axon guidance axon development cell morphogenesis involved in neuron differentiation neuron projection guidance cell adhesion negative regulation of cell population proliferation regulation of keratinocyte proliferation negative regulation of keratinocyte proliferation regulation of epithelial cell proliferation negative regulation of epithelial cell proliferation artery development regulation of aorta morphogenesis regulation of artery morphogenesis regulation of anatomical structure morphogenesis aorta morphogenesis positive regulation of artery morphogenesis positive regulation of aorta morphogenesis aorta development artery morphogenesis regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion lymphocyte activation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell-cell adhesion T cell activation positive regulation of leukocyte activation regulation of immune system process regulation of cell-cell adhesion positive regulation of immune system process positive regulation of T cell activation positive regulation of cell adhesion regulation of cell adhesion cell activation regulation of T cell activation immune system process lymphocyte costimulation regulation of leukocyte cell-cell adhesion T cell costimulation regulation of lymphocyte activation lymph vessel development epithelium development kidney epithelium development nephric duct morphogenesis morphogenesis of an epithelium renal system development tissue morphogenesis nephric duct development epithelial tube morphogenesis kidney development import into cell regulation of localization cellular localization receptor internalization transport postsynaptic neurotransmitter receptor internalization regulation of receptor internalization vesicle-mediated transport vesicle-mediated transport in synapse localization establishment of localization in cell regulation of postsynaptic neurotransmitter receptor internalization regulation of endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport establishment of localization protein-containing complex localization neurotransmitter receptor internalization postsynaptic endocytosis endocytosis receptor-mediated endocytosis	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse cellular anatomical structure neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region anchoring junction focal adhesion cell-substrate junction presynapse presynaptic membrane glutamatergic synapse cell-cell junction adherens junction Schaffer collateral - CA1 synapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017441	Protein kinase, ATP binding site	Binding Site
A	IPR001426	Tyrosine-protein kinase, receptor class V, conserved site	Conserved Site
A	IPR008266	Tyrosine-protein kinase, active site	Active Site
A	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A	IPR027936	Ephrin receptor, transmembrane domain	Domain
A	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
A	IPR050449	Ephrin receptor tyrosine kinases	Family
A	IPR000719	Protein kinase domain	Domain
A	IPR011641	Tyrosine-protein kinase ephrin type A/B receptor-like	Domain
A	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
A	IPR034290	Ephrin type-B receptor 4, ligand binding domain	Domain
A	IPR037636	EPH-B4, SAM domain	Domain
A	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A	IPR003961	Fibronectin type III	Domain
A	IPR016257	Ephrin receptor type-A /type-B	Family
A	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A	IPR009030	Growth factor receptor cysteine-rich domain superfamily	Homologous Superfamily
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR001660	Sterile alpha motif domain	Domain
A	IPR001090	Ephrin receptor ligand binding domain	Domain
A	IPR036116	Fibronectin type III superfamily	Homologous Superfamily
B	IPR019765	Ephrin, conserved site	Conserved Site
B	IPR034255	Ephrin-B ectodomain	Domain
B	IPR008972	Cupredoxin	Homologous Superfamily
B	IPR031328	Ephrin	Family
B	IPR001799	Ephrin receptor-binding domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P54760	hydrops fetalis, nonimmune, and/or atrial septal defect, susceptibility to breast carcinoma ovarian cancer Philadelphia Chromosome Positive Chronic Myelocytic Leukemia tetralogy of fallot amyotrophic lateral sclerosis breast cancer juvenile dermatomyositis medulloblastoma pancreatic intraductal papillary-mucinous carcinoma atypical teratoid rhabdoid tumor Crohn disease hypertensive disorder lung carcinoma metastatic melanoma hydrops fetalis, nonimmune, and/or atrial septal defect, susceptibility to breast carcinoma ovarian cancer Philadelphia Chromosome Positive Chronic Myelocytic Leukemia tetralogy of fallot amyotrophic lateral sclerosis breast cancer juvenile dermatomyositis medulloblastoma pancreatic intraductal papillary-mucinous carcinoma atypical teratoid rhabdoid tumor Crohn disease hypertensive disorder lung carcinoma metastatic melanoma Parkinson disease psoriasis gastric adenocarcinoma inflammatory bowel disease lymphatic system disease
B	Pharos: P52799	liver cancer medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma Pick disease adenoma psoriasis breast cancer spina bifida cystic fibrosis lung benign neoplasm Lung Neoplasms malignant pancreatic neoplasm nephrosclerosis ovarian cancer liver cancer medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma Pick disease adenoma psoriasis breast cancer spina bifida cystic fibrosis lung benign neoplasm Lung Neoplasms malignant pancreatic neoplasm nephrosclerosis ovarian cancer pancreatic intraductal papillary-mucinous neoplasm precancerous condition astrocytic tumor breast carcinoma esophageal adenocarcinoma liver neoplasm lung cancer malignant mesothelioma MALT lymphoma non-small cell lung carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Barrett esophagus schizophrenia ischemia reperfusion injury lung adenocarcinoma lung carcinoma