Incidental Mutation 'R4422:Epha4'
ID 327122
Institutional Source Beutler Lab
Gene Symbol Epha4
Ensembl Gene ENSMUSG00000026235
Gene Name Eph receptor A4
Synonyms Tyro1, Sek1, rb, Sek, Cek8, 2900005C20Rik, Hek8
MMRRC Submission 041695-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.949) question?
Stock # R4422 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 77343822-77491725 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 77488354 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 42 (E42G)
Ref Sequence ENSEMBL: ENSMUSP00000139640 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027451] [ENSMUST00000186930] [ENSMUST00000188797] [ENSMUST00000188952] [ENSMUST00000190149]
AlphaFold Q03137
PDB Structure THE CRYSTAL STRUCTURE OF AN EPH RECEPTOR SAM DOMAIN REVEALS A MECHANISM FOR MODULAR DIMERIZATION. [X-RAY DIFFRACTION]
Crystal structure of a mutant EphA4 kinase domain (Y742A) [X-RAY DIFFRACTION]
Crystal structure of EphA4 kinase domain in complex with VUF 12058 [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF EPHA4 KINASE DOMAIN [X-RAY DIFFRACTION]
Crystal structure of EphA4 kinase domain in complex with Dasatinib. [X-RAY DIFFRACTION]
Predicted Effect probably damaging
Transcript: ENSMUST00000027451
AA Change: E42G

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000027451
Gene: ENSMUSG00000026235
AA Change: E42G

DomainStartEndE-ValueType
EPH_lbd 30 204 1.35e-128 SMART
FN3 329 420 1.94e-8 SMART
FN3 441 522 9.18e-10 SMART
Pfam:EphA2_TM 548 618 1.7e-24 PFAM
TyrKc 621 878 1.91e-134 SMART
SAM 908 975 1.96e-20 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000186930
SMART Domains Protein: ENSMUSP00000140370
Gene: ENSMUSG00000026235

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
FN3 33 124 9.6e-11 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000188797
AA Change: E42G

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000140954
Gene: ENSMUSG00000026235
AA Change: E42G

DomainStartEndE-ValueType
EPH_lbd 30 204 1.35e-128 SMART
FN3 329 420 1.94e-8 SMART
FN3 441 522 9.18e-10 SMART
Pfam:EphA2_TM 547 618 1.8e-27 PFAM
TyrKc 621 878 1.91e-134 SMART
SAM 908 975 1.96e-20 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000188952
AA Change: E42G

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000139640
Gene: ENSMUSG00000026235
AA Change: E42G

DomainStartEndE-ValueType
EPH_lbd 30 204 1.35e-128 SMART
FN3 329 420 1.94e-8 SMART
FN3 441 522 9.18e-10 SMART
Pfam:EphA2_TM 547 618 1.8e-27 PFAM
TyrKc 621 878 1.91e-134 SMART
SAM 908 975 1.96e-20 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189147
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189934
Predicted Effect probably benign
Transcript: ENSMUST00000190149
Meta Mutation Damage Score 0.4366 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
Validation Efficiency 96% (67/70)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene belongs to the ephrin receptor subfamily of the protein-tyrosine kinase family. EPH and EPH-related receptors have been implicated in mediating developmental events, particularly in the nervous system. Receptors in the EPH subfamily typically have a single kinase domain and an extracellular region containing a Cys-rich domain and 2 fibronectin type III repeats. The ephrin receptors are divided into 2 groups based on the similarity of their extracellular domain sequences and their affinities for binding ephrin-A and ephrin-B ligands. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2015]
PHENOTYPE: Mutants are known for their "hopping gait". Homozygotes for targeted null mutations show loss of limb alternation in locomotion and axon guidance defects of the corticospinal tract within medulla and spinal cord, resulting in aberrant midline projections. Heterozygotes show less severe phenotype. [provided by MGI curators]
Allele List at MGI

All alleles(66) : Targeted, knock-out(3) Targeted, other(9) Gene trapped(52) Spontaneous(2)

Other mutations in this stock
Total: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts13 T C 2: 26,895,412 (GRCm39) S1168P probably benign Het
Adgrf2 T C 17: 43,024,046 (GRCm39) M142V probably benign Het
Akna G T 4: 63,305,330 (GRCm39) Q479K possibly damaging Het
Arhgef9 T G X: 94,144,670 (GRCm39) I131L possibly damaging Het
AW551984 A T 9: 39,511,373 (GRCm39) C111S probably null Het
Bak1 C A 17: 27,240,298 (GRCm39) G130W probably damaging Het
Bank1 T A 3: 135,788,972 (GRCm39) Q441L probably damaging Het
C030034I22Rik T C 17: 69,725,153 (GRCm39) noncoding transcript Het
Capns2 T A 8: 93,628,252 (GRCm39) I47N possibly damaging Het
Cct7 A G 6: 85,444,127 (GRCm39) R355G probably damaging Het
Cd19 C T 7: 126,012,578 (GRCm39) V272I probably benign Het
Cenpf A G 1: 189,390,547 (GRCm39) L1095S probably damaging Het
Cep44 G A 8: 56,991,652 (GRCm39) P317S probably benign Het
Chrm3 A T 13: 9,928,591 (GRCm39) Y148* probably null Het
Chrnb3 T C 8: 27,886,761 (GRCm39) V445A possibly damaging Het
Col4a4 T A 1: 82,467,559 (GRCm39) M852L unknown Het
Dhx29 T C 13: 113,083,781 (GRCm39) L612P probably damaging Het
Dlgap2 T C 8: 14,793,463 (GRCm39) probably null Het
Dnah17 T C 11: 117,972,799 (GRCm39) T2045A possibly damaging Het
Dync1li1 A G 9: 114,538,377 (GRCm39) T245A probably damaging Het
Fam120b C A 17: 15,622,445 (GRCm39) T141K probably damaging Het
Fhod1 T C 8: 106,063,983 (GRCm39) probably benign Het
Gcnt2 T G 13: 41,014,001 (GRCm39) Y57* probably null Het
Gm5409 C T 6: 41,396,519 (GRCm39) noncoding transcript Het
Hip1r A G 5: 124,135,069 (GRCm39) K402E possibly damaging Het
Hlcs G A 16: 93,939,819 (GRCm39) P506L possibly damaging Het
Itih4 T A 14: 30,611,821 (GRCm39) F142I probably damaging Het
Krt78 T C 15: 101,856,375 (GRCm39) T479A probably benign Het
Lamb2 A G 9: 108,360,754 (GRCm39) D518G probably damaging Het
Ldlr G A 9: 21,649,248 (GRCm39) C341Y probably damaging Het
Lsr G T 7: 30,665,422 (GRCm39) N177K probably benign Het
Macf1 G A 4: 123,359,839 (GRCm39) S1815F probably damaging Het
Mms22l T C 4: 24,503,008 (GRCm39) S95P probably damaging Het
Mon2 A G 10: 122,878,887 (GRCm39) L218P probably damaging Het
Nlrp4f C T 13: 65,332,776 (GRCm39) probably null Het
Nrde2 G A 12: 100,112,286 (GRCm39) Q137* probably null Het
Or12e10 C A 2: 87,640,989 (GRCm39) T275K probably damaging Het
Or51l14 G T 7: 103,101,450 (GRCm39) R302L probably damaging Het
Or6z7 G T 7: 6,484,037 (GRCm39) Y39* probably null Het
Phf24 G A 4: 42,934,817 (GRCm39) C151Y probably damaging Het
Pik3r1 T G 13: 101,830,892 (GRCm39) N3T probably benign Het
Plcb2 T C 2: 118,542,484 (GRCm39) K821E probably benign Het
Ppat A G 5: 77,063,061 (GRCm39) W517R probably damaging Het
Prelid2 T C 18: 42,045,461 (GRCm39) T150A probably benign Het
Psg21 A G 7: 18,381,257 (GRCm39) S429P probably damaging Het
Reg4 T C 3: 98,140,360 (GRCm39) Y114H possibly damaging Het
Rsbn1l G T 5: 21,101,544 (GRCm39) H665Q probably damaging Het
Rspo2 T C 15: 43,033,150 (GRCm39) N24S probably benign Het
Ryr2 G T 13: 11,731,952 (GRCm39) C2329* probably null Het
Skint2 T A 4: 112,441,785 (GRCm39) probably benign Het
Spmap2l T C 5: 77,202,383 (GRCm39) I268T possibly damaging Het
Syvn1 C T 19: 6,099,951 (GRCm39) probably benign Het
Tmem53 T C 4: 117,123,149 (GRCm39) Y37H probably damaging Het
Tmem59l G A 8: 70,938,749 (GRCm39) R111W probably damaging Het
Tnks2 G A 19: 36,823,053 (GRCm39) V107I probably damaging Het
Tpcn1 T C 5: 120,680,583 (GRCm39) K549R probably damaging Het
Tubgcp4 T A 2: 121,019,882 (GRCm39) L404* probably null Het
Vmn2r86 T C 10: 130,288,845 (GRCm39) I219V possibly damaging Het
Vsig10 T C 5: 117,462,986 (GRCm39) S71P probably benign Het
Wnk1 T C 6: 119,930,856 (GRCm39) N896S probably benign Het
Zfp871 T A 17: 32,993,808 (GRCm39) S437C probably benign Het
Zfp871 C A 17: 32,993,807 (GRCm39) S456I probably benign Het
Zfp873 A G 10: 81,896,708 (GRCm39) T480A probably benign Het
Other mutations in Epha4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01315:Epha4 APN 1 77,375,194 (GRCm39) missense probably benign 0.00
IGL01350:Epha4 APN 1 77,483,492 (GRCm39) missense probably damaging 1.00
IGL01657:Epha4 APN 1 77,403,475 (GRCm39) missense probably damaging 1.00
IGL01872:Epha4 APN 1 77,359,676 (GRCm39) missense probably benign 0.03
IGL02366:Epha4 APN 1 77,403,348 (GRCm39) nonsense probably null
IGL02426:Epha4 APN 1 77,421,514 (GRCm39) missense probably benign 0.01
IGL02428:Epha4 APN 1 77,483,385 (GRCm39) missense possibly damaging 0.94
IGL02706:Epha4 APN 1 77,403,482 (GRCm39) missense probably damaging 1.00
IGL02716:Epha4 APN 1 77,357,602 (GRCm39) missense probably damaging 1.00
IGL03348:Epha4 APN 1 77,483,809 (GRCm39) missense possibly damaging 0.82
frog UTSW 1 77,481,076 (GRCm38) intron probably benign
R0324:Epha4 UTSW 1 77,360,188 (GRCm39) missense probably damaging 1.00
R0392:Epha4 UTSW 1 77,483,610 (GRCm39) missense probably benign 0.00
R0538:Epha4 UTSW 1 77,365,178 (GRCm39) missense probably damaging 1.00
R0562:Epha4 UTSW 1 77,365,124 (GRCm39) missense probably benign 0.00
R0885:Epha4 UTSW 1 77,359,576 (GRCm39) missense probably damaging 0.99
R1509:Epha4 UTSW 1 77,357,523 (GRCm39) missense probably damaging 1.00
R1620:Epha4 UTSW 1 77,351,563 (GRCm39) missense probably benign 0.31
R1624:Epha4 UTSW 1 77,376,329 (GRCm39) missense probably damaging 1.00
R1654:Epha4 UTSW 1 77,351,405 (GRCm39) splice site probably null
R1755:Epha4 UTSW 1 77,364,460 (GRCm39) missense probably damaging 1.00
R1807:Epha4 UTSW 1 77,351,541 (GRCm39) missense probably benign 0.05
R2046:Epha4 UTSW 1 77,483,799 (GRCm39) missense probably damaging 1.00
R2504:Epha4 UTSW 1 77,359,628 (GRCm39) missense probably damaging 1.00
R2509:Epha4 UTSW 1 77,488,339 (GRCm39) missense possibly damaging 0.84
R2511:Epha4 UTSW 1 77,488,339 (GRCm39) missense possibly damaging 0.84
R3441:Epha4 UTSW 1 77,403,333 (GRCm39) missense possibly damaging 0.90
R3724:Epha4 UTSW 1 77,403,180 (GRCm39) splice site probably benign
R3901:Epha4 UTSW 1 77,357,539 (GRCm39) missense probably damaging 1.00
R3950:Epha4 UTSW 1 77,376,353 (GRCm39) missense probably damaging 1.00
R3951:Epha4 UTSW 1 77,376,353 (GRCm39) missense probably damaging 1.00
R3952:Epha4 UTSW 1 77,376,353 (GRCm39) missense probably damaging 1.00
R4012:Epha4 UTSW 1 77,366,731 (GRCm39) splice site probably benign
R4321:Epha4 UTSW 1 77,483,850 (GRCm39) critical splice acceptor site probably null
R4898:Epha4 UTSW 1 77,366,712 (GRCm39) nonsense probably null
R5072:Epha4 UTSW 1 77,421,639 (GRCm39) missense probably damaging 1.00
R5270:Epha4 UTSW 1 77,483,244 (GRCm39) missense probably damaging 1.00
R5281:Epha4 UTSW 1 77,351,504 (GRCm39) missense probably benign
R5315:Epha4 UTSW 1 77,365,109 (GRCm39) critical splice donor site probably null
R5531:Epha4 UTSW 1 77,351,513 (GRCm39) missense probably benign
R5621:Epha4 UTSW 1 77,491,686 (GRCm39) utr 5 prime probably benign
R5648:Epha4 UTSW 1 77,375,162 (GRCm39) missense probably benign 0.25
R5747:Epha4 UTSW 1 77,483,520 (GRCm39) missense probably damaging 0.99
R5829:Epha4 UTSW 1 77,421,631 (GRCm39) missense probably benign 0.01
R6185:Epha4 UTSW 1 77,483,743 (GRCm39) missense probably damaging 1.00
R6486:Epha4 UTSW 1 77,360,186 (GRCm39) missense probably damaging 1.00
R6821:Epha4 UTSW 1 77,359,582 (GRCm39) missense possibly damaging 0.88
R6978:Epha4 UTSW 1 77,354,220 (GRCm39) missense probably damaging 1.00
R7039:Epha4 UTSW 1 77,483,422 (GRCm39) missense probably damaging 1.00
R7216:Epha4 UTSW 1 77,421,621 (GRCm39) missense probably damaging 1.00
R7270:Epha4 UTSW 1 77,376,422 (GRCm39) missense probably damaging 1.00
R7444:Epha4 UTSW 1 77,364,553 (GRCm39) missense probably damaging 1.00
R7737:Epha4 UTSW 1 77,357,649 (GRCm39) missense probably damaging 1.00
R7763:Epha4 UTSW 1 77,366,668 (GRCm39) critical splice donor site probably null
R7950:Epha4 UTSW 1 77,483,833 (GRCm39) missense probably damaging 0.99
R8297:Epha4 UTSW 1 77,483,547 (GRCm39) missense probably damaging 1.00
R8373:Epha4 UTSW 1 77,483,716 (GRCm39) missense possibly damaging 0.60
R8429:Epha4 UTSW 1 77,366,673 (GRCm39) missense probably benign 0.08
R8907:Epha4 UTSW 1 77,483,422 (GRCm39) missense probably damaging 1.00
R9024:Epha4 UTSW 1 77,365,169 (GRCm39) missense possibly damaging 0.79
Z1088:Epha4 UTSW 1 77,483,299 (GRCm39) missense possibly damaging 0.61
Z1176:Epha4 UTSW 1 77,359,648 (GRCm39) missense probably damaging 1.00
Z1176:Epha4 UTSW 1 77,350,370 (GRCm39) makesense probably null
Predicted Primers PCR Primer
(F):5'- CATGACAGAACTCTCCAAAGGG -3'
(R):5'- ATAAGTGGGCCCGAGTTTC -3'

Sequencing Primer
(F):5'- TCCAAAGGGAGTATTAGATTTCTCC -3'
(R):5'- CGGTTTTGATCAGATTGGCTATTC -3'
Posted On 2015-07-07