Descriptions

Ephrin type-B receptor 2 is a membrane-associated protein that mediates axon guidance, cell migration and morphogenesis. The Eph receptor tyrosine kinase family is regulated by autophosphorylation within the juxtamembrane region and the kinase activation segment. The structure, supported by mutagenesis data, reveals that the juxtamembrane segment adopts a helical conformation that distorts the small lobe of the kinase domain, and blocks the activation segment from attaining an activated conformation. Phosphorylation of the conserved juxtamembrane tyrosines would relieve this autoinhibition by disturbing the association of the juxtamembrane segment with the kinase domain, while liberating phosphotyrosine sites for binding SH2 domains of target proteins.

Autoinhibitory domains (AIDs)

Target domain

621-882 (Protein kinase domain)

Relief mechanism

PTM

Assay

Accessory elements

763-789 (Activation loop from InterPro)

Target domain

621-882 (Protein kinase domain)

Relief mechanism

Assay

Autoinhibited structure

Activated structure

6 structures for Q03137

Entry ID Method Resolution Chain Position Source
1B0X X-ray 200 A A 890-981 PDB
2HEL X-ray 235 A A 591-896 PDB
2XYU X-ray 212 A A 612-896 PDB
2Y6M X-ray 170 A A 606-896 PDB
2Y6O X-ray 154 A A 606-896 PDB
AF-Q03137-F1 Predicted AlphaFoldDB

63 variants for Q03137

Variant ID(s) Position Change Description Diseaes Association Provenance
rs3388481918 24 R>K No EVA
rs3388481450 25 V>L No EVA
rs3388481524 39 V>I No EVA
rs3388481321 41 G>* No EVA
rs3388480727 43 L>F No EVA
rs3388482714 52 G>* No EVA
rs3388482714 52 G>R No EVA
rs50937700 67 I>N No EVA
rs3388482466 70 Y>* No EVA
rs3388483211 102 K>N No EVA
rs3388481489 107 D>E No EVA
rs3388481258 113 G>D No EVA
rs3388481274 124 L>F No EVA
rs3388480958 190 A>T No EVA
rs3388481163 190 A>V No EVA
rs3388480130 206 L>H No EVA
rs3388481436 229 V>F No EVA
rs3388483258 230 R>L No EVA
rs3388481139 235 N>H No EVA
rs3388480141 248 G>W No EVA
rs3388480688 280 Y>H No EVA
rs3388481204 282 K>N No EVA
rs3388481180 290 C>Y No EVA
rs219950368 318 N>S No EVA
rs3388481528 382 S>C No EVA
rs3388483348 385 H>Q No EVA
rs3388482130 388 P>S No EVA
rs3388481509 390 Q>R No EVA
rs3388480159 417 N>S No EVA
rs3388481101 422 Y>C No EVA
rs3388483316 457 V>L No EVA
rs3388481205 486 R>L No EVA
rs3388481521 518 A>D No EVA
rs3388483239 548 V>D No EVA
rs3388481948 564 I>V No EVA
rs3388481006 566 A>S No EVA
rs3388483243 596 Y>C No EVA
rs3388481905 635 V>I No EVA
rs3388481059 665 R>* No EVA
rs3388481201 691 K>I No EVA
rs3388482420 693 K>R No EVA
rs3388481419 697 I>M No EVA
rs3388481376 703 E>G No EVA
rs3388481083 722 Q>* No EVA
rs3388480462 738 S>T No EVA
rs3388481135 758 L>F No EVA
rs3388480198 764 D>G No EVA
rs3388482013 765 F>V No EVA
rs3390199688 776 E>G No EVA
rs3388481410 814 M>K No EVA
rs3388482416 830 N>Y No EVA
rs3388481266 833 V>A No EVA
rs3388480961 835 K>I No EVA
rs3388483085 854 H>P No EVA
rs3388481492 870 K>I No EVA
rs3388481992 873 Q>L No EVA
rs1131754272 889 K>N No EVA
rs3390209544 971 A>V No EVA
rs3390135836 973 R>P No EVA
rs3390130988 975 Q>H No EVA
rs3390201088 976 M>L No EVA
rs3390209576 976 M>T No EVA
rs3390215420 977 Q>L No EVA

No associated diseases with Q03137

6 regional properties for Q03137

Type Name Position InterPro Accession
domain Forkhead-associated (FHA) domain 470 - 534 IPR000253
domain Kinesin motor domain 3 - 360 IPR001752
conserved_site Kinesin motor domain, conserved site 246 - 257 IPR019821
domain Kinesin-like KIF1-type 748 - 792 IPR022140
domain Kinesin-like 1222 - 1281 IPR022164
domain Kinesin-associated 391 - 468 IPR032405

Functions

Description
EC Number 2.7.10.1 Protein-tyrosine kinases
Subcellular Localization
  • Cell membrane ; Single-pass type I membrane protein
  • Cell projection, axon
  • Cell projection, dendrite
  • Postsynaptic density membrane
  • Early endosome
  • Cell junction, adherens junction
  • Clustered upon activation and targeted to early endosome
PANTHER Family
PANTHER Subfamily
PANTHER Protein Class
PANTHER Pathway Category No pathway information available

23 GO annotations of cellular component

Name Definition
adherens junction A cell-cell junction composed of the epithelial cadherin-catenin complex. The epithelial cadherins, or E-cadherins, of each interacting cell extend through the plasma membrane into the extracellular space and bind to each other. The E-cadherins bind to catenins on the cytoplasmic side of the membrane, where the E-cadherin-catenin complex binds to cytoskeletal components and regulatory and signaling molecules.
axon The long process of a neuron that conducts nerve impulses, usually away from the cell body to the terminals and varicosities, which are sites of storage and release of neurotransmitter.
axon terminus Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal button is a specialized region of it.
axonal growth cone The migrating motile tip of a growing nerve cell axon.
cell body The portion of a cell bearing surface projections such as axons, dendrites, cilia, or flagella that includes the nucleus, but excludes all cell projections.
cell projection A prolongation or process extending from a cell, e.g. a flagellum or axon.
cell surface The external part of the cell wall and/or plasma membrane.
cytoplasm The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
dendrite A neuron projection that has a short, tapering, morphology. Dendrites receive and integrate signals from other neurons or from sensory stimuli, and conduct nerve impulses towards the axon or the cell body. In most neurons, the impulse is conveyed from dendrites to axon via the cell body, but in some types of unipolar neuron, the impulse does not travel via the cell body.
dendritic shaft Cylindric portion of the dendrite, directly stemming from the perikaryon, and carrying the dendritic spines.
dendritic spine A small, membranous protrusion from a dendrite that forms a postsynaptic compartment, typically receiving input from a single presynapse. They function as partially isolated biochemical and an electrical compartments. Spine morphology is variable:they can be thin, stubby, mushroom, or branched, with a continuum of intermediate morphologies. They typically terminate in a bulb shape, linked to the dendritic shaft by a restriction. Spine remodeling is though to be involved in synaptic plasticity.
early endosome membrane The lipid bilayer surrounding an early endosome.
filopodium Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.
glutamatergic synapse A synapse that uses glutamate as a neurotransmitter.
mitochondrial outer membrane The outer, i.e. cytoplasm-facing, lipid bilayer of the mitochondrial envelope.
neuromuscular junction The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
perikaryon The portion of the cell soma (neuronal cell body) that excludes the nucleus.
plasma membrane The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
postsynaptic density An electron dense network of proteins within and adjacent to the postsynaptic membrane of an asymmetric, neuron-neuron synapse. Its major components include neurotransmitter receptors and the proteins that spatially and functionally organize them such as anchoring and scaffolding molecules, signaling enzymes and cytoskeletal components.
postsynaptic density membrane The membrane component of the postsynaptic density. This is the region of the postsynaptic membrane in which the population of neurotransmitter receptors involved in synaptic transmission are concentrated.
postsynaptic membrane A specialized area of membrane facing the presynaptic membrane on the tip of the nerve ending and separated from it by a minute cleft (the synaptic cleft). Neurotransmitters cross the synaptic cleft and transmit the signal to the postsynaptic membrane.
presynaptic membrane A specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction; many synaptic junctions exhibit structural presynaptic characteristics, such as conical, electron-dense internal protrusions, that distinguish it from the remainder of the axon plasma membrane.
Schaffer collateral - CA1 synapse A synapse between the Schaffer collateral axon of a CA3 pyramidal cell and a CA1 pyramidal cell.

10 GO annotations of molecular function

Name Definition
ATP binding Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
DH domain binding Binding to a DH (Dbl homology) domain of a protein. The DH domain contains three structurally conserved regions separated by more variable regions. It is composed of 11 alpha helices that are folded into a flattened, elongated alpha-helix bundle in which two of the three conserved regions, conserved region 1 (CR1) and conserved region 3 (CR3), are exposed near the centre of one surface. CR1 and CR3, together with a part of alpha-6 and the DH/PH (pleckstrin homology) junction site, constitute the Rho GTPase interacting pocket.
ephrin receptor binding Binding to an ephrin receptor.
GPI-linked ephrin receptor activity Combining with a GPI-anchored ephrin to initiate a change in cell activity.
identical protein binding Binding to an identical protein or proteins.
PH domain binding Binding to a PH domain (pleckstrin homology) of a protein, a domain of about 100 residues that occurs in a wide range of proteins involved in intracellular signaling or as constituents of the cytoskeleton.
protein kinase activity Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction
protein tyrosine kinase binding Binding to protein tyrosine kinase.
transmembrane receptor protein tyrosine kinase activity Combining with a signal and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity by catalysis of the reaction
transmembrane-ephrin receptor activity Combining with a transmembrane ephrin to initiate a change in cell activity.

42 GO annotations of biological process

Name Definition
adherens junction organization A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an adherens junction. An adherens junction is a cell-cell junction composed of the epithelial cadherin-catenin complex at which the cytoplasmic face of the plasma membrane is attached to actin filaments.
adult walking behavior The behavior of an adult relating to the progression of that organism along the ground by the process of lifting and setting down each leg.
axon guidance The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues.
cell adhesion The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
cellular response to amyloid-beta Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a amyloid-beta stimulus.
cochlea development The progression of the cochlea over time from its formation to the mature structure. The cochlea is the snail-shaped portion of the inner ear that is responsible for the detection of sound.
corticospinal tract morphogenesis Generation of a long process of a pyramidal cell, that carries efferent (outgoing) action potentials from the cell body in cerebral cortex layer V towards target cells in the gray matter of the spinal cord. This axonal process is a member of those that make up the corticospinal tract.
ephrin receptor signaling pathway The series of molecular signals initiated by ephrin binding to its receptor, and ending with the regulation of a downstream cellular process, e.g. transcription.
fasciculation of motor neuron axon The collection of motor neuron axons into a bundle of rods, known as a fascicle.
fasciculation of sensory neuron axon The collection of sensory neuron axons into a bundle of rods, known as a fascicle.
glial cell migration The orderly movement of a glial cell, non-neuronal cells that provide support and nutrition, maintain homeostasis, form myelin, and participate in signal transmission in the nervous system.
motor neuron axon guidance The process in which the migration of an axon growth cone of a motor neuron is directed to a specific target site in response to a combination of attractive and repulsive cues.
negative regulation of axon regeneration Any process that stops, prevents, or reduces the frequency, rate or extent of axon regeneration.
negative regulation of cell adhesion Any process that stops, prevents, or reduces the frequency, rate or extent of cell adhesion.
negative regulation of cell migration Any process that stops, prevents, or reduces the frequency, rate or extent of cell migration.
negative regulation of cellular response to hypoxia Any process that stops, prevents or reduces the frequency, rate or extent of cellular response to hypoxia.
negative regulation of epithelial to mesenchymal transition Any process that decreases the rate, frequency, or extent of epithelial to mesenchymal transition. Epithelial to mesenchymal transition where an epithelial cell loses apical/basolateral polarity, severs intercellular adhesive junctions, degrades basement membrane components and becomes a migratory mesenchymal cell.
negative regulation of ERK1 and ERK2 cascade Any process that stops, prevents, or reduces the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.
negative regulation of long-term synaptic potentiation Any process that stops, prevents or reduces the frequency, rate or extent of long-term synaptic potentiation.
negative regulation of neuron projection development Any process that decreases the rate, frequency or extent of neuron projection development. Neuron projection development is the process whose specific outcome is the progression of a neuron projection over time, from its formation to the mature structure. A neuron projection is any process extending from a neural cell, such as axons or dendrites (collectively called neurites).
negative regulation of proteolysis involved in protein catabolic process Any process that stops, prevents or reduces the frequency, rate or extent of proteolysis involved in protein catabolic process.
nephric duct morphogenesis The process in which the anatomical structures of the nephric duct are generated and organized. A nephric duct is a tube that drains a primitive kidney.
neuron projection fasciculation The collection of neuronal projections into a bundle of rods, known as a fascicle.
neuron projection guidance The process in which the migration of a neuron projection is directed to a specific target site in response to a combination of attractive and repulsive cues.
peptidyl-tyrosine phosphorylation The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.
positive regulation of amyloid-beta formation Any process that activates or increases the frequency, rate or extent of amyloid-beta formation.
positive regulation of cell adhesion Any process that activates or increases the frequency, rate or extent of cell adhesion.
positive regulation of cell migration Any process that activates or increases the frequency, rate or extent of cell migration.
positive regulation of cell population proliferation Any process that activates or increases the rate or extent of cell proliferation.
positive regulation of dendrite morphogenesis Any process that activates or increases the frequency, rate or extent of dendrite morphogenesis.
positive regulation of JUN kinase activity Any process that activates or increases the frequency, rate or extent of JUN kinase activity.
positive regulation of protein tyrosine kinase activity Any process that increases the rate, frequency, or extent of protein tyrosine kinase activity.
positive regulation of Rho guanyl-nucleotide exchange factor activity Any process that activates or increases the frequency, rate or extent of Rho guanyl-nucleotide exchange factor activity.
protein autophosphorylation The phosphorylation by a protein of one or more of its own amino acid residues (cis-autophosphorylation), or residues on an identical protein (trans-autophosphorylation).
protein stabilization Any process involved in maintaining the structure and integrity of a protein and preventing it from degradation or aggregation.
regulation of astrocyte differentiation Any process that modulates the frequency, rate or extent of astrocyte differentiation.
regulation of axonogenesis Any process that modulates the frequency, rate or extent of axonogenesis, the generation of an axon, the long process of a neuron.
regulation of dendritic spine morphogenesis Any process that modulates the rate, frequency, or extent of dendritic spine morphogenesis, the process in which the anatomical structures of a dendritic spine are generated and organized. A dendritic spine is a protrusion from a dendrite and a specialized subcellular compartment involved in synaptic transmission.
regulation of GTPase activity Any process that modulates the rate of GTP hydrolysis by a GTPase.
regulation of modification of synaptic structure Any process that modulates the frequency, rate or extent of modification of synaptic structure.
regulation of synapse pruning Any process that modulates the frequency, rate or extent of synapse pruning.
synapse pruning A cellular process that results in the controlled breakdown of synapse. After it starts the process is continuous until the synapse has disappeared.

49 homologous proteins in AiPD

UniProt AC Gene Name Protein Name Species Evidence Code
P28693 EPHB2 Ephrin type-B receptor 2 Gallus gallus (Chicken) PR
Q07494 EPHB1 Ephrin type-B receptor 1 Gallus gallus (Chicken) SS
Q07497 EPHB5 Ephrin type-B receptor 5 Gallus gallus (Chicken) PR
P29318 EPHA3 Ephrin type-A receptor 3 Gallus gallus (Chicken) SS
O42422 EPHA7 Ephrin type-A receptor 7 Gallus gallus (Chicken) SS
P54755 EPHA5 Ephrin type-A receptor 5 Gallus gallus (Chicken) SS
Q07498 EPHB3 Ephrin type-B receptor 3 Gallus gallus (Chicken) SS
Q07496 EPHA4 Ephrin type-A receptor 4 Gallus gallus (Chicken) SS
P0C0K6 EPHB6 Ephrin type-B receptor 6 Pan troglodytes (Chimpanzee) SS
P29322 EPHA8 Ephrin type-A receptor 8 Homo sapiens (Human) SS
P21709 EPHA1 Ephrin type-A receptor 1 Homo sapiens (Human) SS
P54753 EPHB3 Ephrin type-B receptor 3 Homo sapiens (Human) SS
P29320 EPHA3 Ephrin type-A receptor 3 Homo sapiens (Human) PR
P54760 EPHB4 Ephrin type-B receptor 4 Homo sapiens (Human) SS
P29317 EPHA2 Ephrin type-A receptor 2 Homo sapiens (Human) SS
Q15375 EPHA7 Ephrin type-A receptor 7 Homo sapiens (Human) SS
Q5JZY3 EPHA10 Ephrin type-A receptor 10 Homo sapiens (Human) SS
P29323 EPHB2 Ephrin type-B receptor 2 Homo sapiens (Human) EV
Q9UF33 EPHA6 Ephrin type-A receptor 6 Homo sapiens (Human) SS
P54762 EPHB1 Ephrin type-B receptor 1 Homo sapiens (Human) SS
P54756 EPHA5 Ephrin type-A receptor 5 Homo sapiens (Human) SS
O15197 EPHB6 Ephrin type-B receptor 6 Homo sapiens (Human) SS
P54764 EPHA4 Ephrin type-A receptor 4 Homo sapiens (Human) SS
Q03145 Epha2 Ephrin type-A receptor 2 Mus musculus (Mouse) PR
Q60629 Epha5 Ephrin type-A receptor 5 Mus musculus (Mouse) SS
Q60750 Epha1 Ephrin type-A receptor 1 Mus musculus (Mouse) SS
P54761 Ephb4 Ephrin type-B receptor 4 Mus musculus (Mouse) PR
Q61772 Epha7 Ephrin type-A receptor 7 Mus musculus (Mouse) SS
Q8CBF3 Ephb1 Ephrin type-B receptor 1 Mus musculus (Mouse) SS
O09127 Epha8 Ephrin type-A receptor 8 Mus musculus (Mouse) SS
P54754 Ephb3 Ephrin type-B receptor 3 Mus musculus (Mouse) SS
Q8BYG9 Epha10 Ephrin type-A receptor 10 Mus musculus (Mouse) SS
O08644 Ephb6 Ephrin type-B receptor 6 Mus musculus (Mouse) PR
P54763 Ephb2 Ephrin type-B receptor 2 Mus musculus (Mouse) SS
Q62413 Epha6 Ephrin type-A receptor 6 Mus musculus (Mouse) SS
P29319 Epha3 Ephrin type-A receptor 3 Mus musculus (Mouse) SS
P54757 Epha5 Ephrin type-A receptor 5 Rattus norvegicus (Rat) SS
P54759 Epha7 Ephrin type-A receptor 7 Rattus norvegicus (Rat) SS
P09759 Ephb1 Ephrin type-B receptor 1 Rattus norvegicus (Rat) SS
P0C0K7 Ephb6 Ephrin type-B receptor 6 Rattus norvegicus (Rat) SS
O08680 Epha3 Ephrin type-A receptor 3 Rattus norvegicus (Rat) SS
O61460 vab-1 Ephrin receptor 1 Caenorhabditis elegans SS
Q8VZJ9 CRCK2 Calmodulin-binding receptor-like cytoplasmic kinase 2 Arabidopsis thaliana (Mouse-ear cress) PR
Q9LMN7 WAK5 Wall-associated receptor kinase 5 Arabidopsis thaliana (Mouse-ear cress) PR
Q9LSV3 WAKL16 Putative wall-associated receptor kinase-like 16 Arabidopsis thaliana (Mouse-ear cress) PR
Q9M342 WAKL15 Wall-associated receptor kinase-like 15 Arabidopsis thaliana (Mouse-ear cress) PR
O13147 ephb3 Ephrin type-B receptor 3 Danio rerio (Zebrafish) (Brachydanio rerio) SS
O73878 ephb4b Ephrin type-B receptor 4b Danio rerio (Zebrafish) (Brachydanio rerio) SS
O13146 epha3 Ephrin type-A receptor 3 Danio rerio (Zebrafish) (Brachydanio rerio) SS
10 20 30 40 50 60
MAGIFYFILF SFLFGICDAV TGSRVYPANE VTLLDSRSVQ GELGWIASPL EGGWEEVSIM
70 80 90 100 110 120
DEKNTPIRTY QVCNVMEASQ NNWLRTDWIT REGAQRVYIE IKFTLRDCNS LPGVMGTCKE
130 140 150 160 170 180
TFNLYYYESD NDKERFIRES QFGKIDTIAA DESFTQVDIG DRIMKLNTEI RDVGPLSKKG
190 200 210 220 230 240
FYLAFQDVGA CIALVSVRVF YKKCPLTVRN LAQFPDTITG ADTSSLVEVR GSCVNNSEEK
250 260 270 280 290 300
DVPKMYCGAD GEWLVPIGNC LCNAGHEEQN GECQACKIGY YKALSTDASC AKCPPHSYSV
310 320 330 340 350 360
WEGATSCTCD RGFFRADNDA ASMPCTRPPS APLNLISNVN ETSVNLEWSS PQNTGGRQDI
370 380 390 400 410 420
SYNVVCKKCG AGDPSKCRPC GSGVHYTPQQ NGLKTTRVSI TDLLAHTNYT FEIWAVNGVS
430 440 450 460 470 480
KYNPSPDQSV SVTVTTNQAA PSSIALVQAK EVTRYSVALA WLEPDRPNGV ILEYEVKYYE
490 500 510 520 530 540
KDQNERSYRI VRTAARNTDI KGLNPLTSYV FHVRARTAAG YGDFSEPLEV TTNTVPSRII
550 560 570 580 590 600
GDGANSTVLL VSVSGSVVLV VILIAAFVIS RRRSKYSKAK QEADEEKHLN QGVRTYVDPF
610 620 630 640 650 660
TYEDPNQAVR EFAKEIDASC IKIEKVIGVG EFGEVCSGRL KVPGKREICV AIKTLKAGYT
670 680 690 700 710 720
DKQRRDFLSE ASIMGQFDHP NIIHLEGVVT KCKPVMIITE YMENGSLDAF LRKNDGRFTV
730 740 750 760 770 780
IQLVGMLRGI GSGMKYLSDM SYVHRDLAAR NILVNSNLVC KVSDFGMSRV LEDDPEAAYT
790 800 810 820 830 840
TRGGKIPIRW TAPEAIAYRK FTSASDVWSY GIVMWEVMSY GERPYWDMSN QDVIKAIEEG
850 860 870 880 890 900
YRLPPPMDCP IALHQLMLDC WQKERSDRPK FGQIVNMLDK LIRNPNSLKR TGSESSRPNT
910 920 930 940 950 960
ALLDPSSPEF SAVVSVGDWL QAIKMDRYKD NFTAAGYTTL EAVVHMSQDD LARIGITAIT
970 980
HQNKILSSVQ AMRTQMQQMH GRMVPV