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

1 structures for P29318

Entry ID Method Resolution Chain Position Source
AF-P29318-F1 Predicted AlphaFoldDB

No variants for P29318

Variant ID(s) Position Change Description Diseaes Association Provenance
No variants for P29318

No associated diseases with P29318

4 regional properties for P29318

Type Name Position InterPro Accession
domain Diaphanous autoregulatory (DAD) domain 1515 - 1547 IPR014767
domain Rho GTPase-binding/formin homology 3 (GBD/FH3) domain 18 - 405 IPR014768
domain Formin, FH2 domain 1039 - 1492 IPR015425
domain FHOD1, N-terminal GTPase-binding domain 6 - 123 IPR041387

Functions

Description
EC Number 2.7.10.1 Protein-tyrosine kinases
Subcellular Localization
  • Cell membrane ; Single-pass type I membrane protein
PANTHER Family
PANTHER Subfamily
PANTHER Protein Class
PANTHER Pathway Category No pathway information available

3 GO annotations of cellular component

Name Definition
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.
early endosome A membrane-bounded organelle that receives incoming material from primary endocytic vesicles that have been generated by clathrin-dependent and clathrin-independent endocytosis; vesicles fuse with the early endosome to deliver cargo for sorting into recycling or degradation pathways.
plasma membrane The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

4 GO annotations of molecular function

Name Definition
ATP binding Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
ephrin receptor activity Combining with an ephrin receptor ligand to initiate a change in cell activity.
GPI-linked ephrin receptor activity Combining with a GPI-anchored ephrin to initiate a change in cell activity.
transmembrane-ephrin receptor activity Combining with a transmembrane ephrin to initiate a change in cell activity.

11 GO annotations of biological process

Name Definition
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 migration The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues.
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.
phosphorylation The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
regulation of actin cytoskeleton organization Any process that modulates the frequency, rate or extent of the formation, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
regulation of epithelial to mesenchymal transition Any process that modulates 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.
regulation of focal adhesion assembly Any process that modulates the frequency, rate or extent of focal adhesion formation, the establishment and maturation of focal adhesions.
regulation of GTPase activity Any process that modulates the rate of GTP hydrolysis by a GTPase.
regulation of microtubule cytoskeleton organization Any process that modulates the frequency, rate or extent of the formation, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising microtubules and their associated proteins.

52 homologous proteins in AiPD

UniProt AC Gene Name Protein Name Species Evidence Code
Q07494 EPHB1 Ephrin type-B receptor 1 Gallus gallus (Chicken) SS
O42422 EPHA7 Ephrin type-A receptor 7 Gallus gallus (Chicken) SS
Q07496 EPHA4 Ephrin type-A receptor 4 Gallus gallus (Chicken) SS
Q07497 EPHB5 Ephrin type-B receptor 5 Gallus gallus (Chicken) PR
P28693 EPHB2 Ephrin type-B receptor 2 Gallus gallus (Chicken) PR
P54755 EPHA5 Ephrin type-A receptor 5 Gallus gallus (Chicken) SS
Q07498 EPHB3 Ephrin type-B receptor 3 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
P54764 EPHA4 Ephrin type-A receptor 4 Homo sapiens (Human) SS
P54753 EPHB3 Ephrin type-B receptor 3 Homo sapiens (Human) SS
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
P29320 EPHA3 Ephrin type-A receptor 3 Homo sapiens (Human) PR
P54754 Ephb3 Ephrin type-B receptor 3 Mus musculus (Mouse) SS
Q03145 Epha2 Ephrin type-A receptor 2 Mus musculus (Mouse) PR
Q03137 Epha4 Ephrin type-A receptor 4 Mus musculus (Mouse) SS
Q61772 Epha7 Ephrin type-A receptor 7 Mus musculus (Mouse) SS
O09127 Epha8 Ephrin type-A receptor 8 Mus musculus (Mouse) SS
Q8CBF3 Ephb1 Ephrin type-B receptor 1 Mus musculus (Mouse) SS
Q8BYG9 Epha10 Ephrin type-A receptor 10 Mus musculus (Mouse) SS
Q60629 Epha5 Ephrin type-A receptor 5 Mus musculus (Mouse) SS
Q62413 Epha6 Ephrin type-A receptor 6 Mus musculus (Mouse) SS
Q60750 Epha1 Ephrin type-A receptor 1 Mus musculus (Mouse) SS
P54763 Ephb2 Ephrin type-B receptor 2 Mus musculus (Mouse) SS
P54761 Ephb4 Ephrin type-B receptor 4 Mus musculus (Mouse) PR
O08644 Ephb6 Ephrin type-B receptor 6 Mus musculus (Mouse) PR
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
Q0WNY5 WAKL18 Wall-associated receptor kinase-like 18 Arabidopsis thaliana (Mouse-ear cress) PR
Q7X8C5 WAKL2 Wall-associated receptor kinase-like 2 Arabidopsis thaliana (Mouse-ear cress) PR
Q8VYA3 WAKL10 Wall-associated receptor kinase-like 10 Arabidopsis thaliana (Mouse-ear cress) PR
Q9C9L5 WAKL9 Wall-associated receptor kinase-like 9 Arabidopsis thaliana (Mouse-ear cress) PR
Q9LMN7 WAK5 Wall-associated receptor kinase 5 Arabidopsis thaliana (Mouse-ear cress) PR
Q9M092 WAKL17 Wall-associated receptor kinase-like 17 Arabidopsis thaliana (Mouse-ear cress) PR
Q9S9M2 WAKL4 Wall-associated receptor kinase-like 4 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
MDRRRLPLLL LCAALGSAGR LSARPGNEVN LLDSKTIQGE LGWISYPSHG WEEISGVDEH
70 80 90 100 110 120
YTPIRTYQES NVMDHSQNNW LRTNWIPRNS AQKIYVELKF TLRDCNSIPL VLGTCKETFN
130 140 150 160 170 180
LYYMESDDDH LAKFREHQFT KIDTIAADES FTQMDLGDRI LKLNTEVREV GPVSKKGFYL
190 200 210 220 230 240
AFQDVGACVA LVSVRVYFKK CPFTVKNLAM FPDTVPMDSQ SLVEVRGSCV NHSKEEEPPK
250 260 270 280 290 300
MYCSTEGEWL VPIGKCLCNA GYEERGFACQ ACRPGFYKAS AGNVKCAKCP PHSSTYEDAS
310 320 330 340 350 360
LNCRCEKNYF RSEKDPPSMA CTRPPSAPRN VISNINETSV ILDWSWPLDT GGRKDVTFNI
370 380 390 400 410 420
ICKKCGGSSK ICEPCSDNVR FLPRQTGLTN TTVTVVDLLA HTNYTFEIDA VNGVSDLSTL
430 440 450 460 470 480
SRQFAAVSIT TNQAAPSPIT VIRKDRTSRN SVSLSWQEPE HPNGIILDYE VKYYEKQEQE
490 500 510 520 530 540
TSYTILRAKS TNVTISGLKP DTTYVFQIRA RTAARYGTSS RKFEFETSPD SFSISSENSQ
550 560 570 580 590 600
VVMIAISAAV AIILLTVVVY VLIGRFCGYK KSKHGTDEKR LHFGNGHLKL PGLRTYVDPH
610 620 630 640 650 660
TYEDPNQAVH EFAKELDASN ISIDKVVGAG EFGEVCSGRL KLPSKKEISV AIKTLKAGYT
670 680 690 700 710 720
EKQRRDFLGE ASIMGQFDHP NIIRLEGVVT KSKPVMIVTE YMENGSLDSF LRKHDAQFTV
730 740 750 760 770 780
IQLVGMLRGI ASGMKYLSDM GYVHRDLAAR NILINSNLVC KVSDFGLSRV LEDDPEAAYT
790 800 810 820 830 840
TRGGKIPIRW TSPEAIAYRK FTSASDAWSY GIVLWEVMSY GERPYWEMSF QDVIKAVDEG
850 860 870 880 890 900
YRLPPPMDCP AALYQLMLDC WQKDRNNRPK FEQIVSILDK LIRNPSSLKI ITNAAARPSN
910 920 930 940 950 960
LLLDQSNIDI SAFRTAGDWL NGFRTGQCKG IFTGVEYSSC DTIAKISTDD MKKVGVTVVG
970 980
PQKKIVSSIK TLETHTKNSP VPV