Incidental Mutation 'R8464:Robo3'
ID 656708
Institutional Source Beutler Lab
Gene Symbol Robo3
Ensembl Gene ENSMUSG00000032128
Gene Name roundabout guidance receptor 3
Synonyms Robo3a, Rbig1, Rig1, Rig-1, Robo3b
MMRRC Submission 067908-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8464 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 37327341-37344730 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 37332726 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Glycine at position 857 (S857G)
Ref Sequence ENSEMBL: ENSMUSP00000110690 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034643] [ENSMUST00000115038] [ENSMUST00000170512]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000034643
AA Change: S835G

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000034643
Gene: ENSMUSG00000032128
AA Change: S835G

DomainStartEndE-ValueType
IGc2 54 128 9.7e-11 SMART
IGc2 156 221 1.44e-4 SMART
IGc2 248 311 1.89e-13 SMART
IGc2 337 409 9.84e-12 SMART
IGc2 441 506 2.09e-15 SMART
FN3 534 616 4.24e-14 SMART
FN3 648 731 3.06e0 SMART
FN3 747 832 1.97e-9 SMART
low complexity region 870 890 N/A INTRINSIC
low complexity region 1055 1082 N/A INTRINSIC
low complexity region 1131 1149 N/A INTRINSIC
low complexity region 1155 1169 N/A INTRINSIC
low complexity region 1193 1206 N/A INTRINSIC
low complexity region 1245 1256 N/A INTRINSIC
low complexity region 1268 1281 N/A INTRINSIC
low complexity region 1336 1376 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000115038
AA Change: S857G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000110690
Gene: ENSMUSG00000032128
AA Change: S857G

DomainStartEndE-ValueType
low complexity region 34 47 N/A INTRINSIC
IGc2 76 150 9.7e-11 SMART
IGc2 178 243 1.44e-4 SMART
IGc2 270 333 1.89e-13 SMART
IGc2 359 431 9.84e-12 SMART
IGc2 463 528 2.09e-15 SMART
FN3 556 638 4.24e-14 SMART
FN3 670 753 3.06e0 SMART
FN3 769 854 1.97e-9 SMART
low complexity region 892 912 N/A INTRINSIC
low complexity region 1077 1104 N/A INTRINSIC
low complexity region 1153 1171 N/A INTRINSIC
low complexity region 1177 1191 N/A INTRINSIC
low complexity region 1215 1228 N/A INTRINSIC
low complexity region 1267 1278 N/A INTRINSIC
low complexity region 1290 1303 N/A INTRINSIC
low complexity region 1358 1398 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000170512
AA Change: S835G

PolyPhen 2 Score 0.963 (Sensitivity: 0.78; Specificity: 0.95)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene is a member of the Roundabout (ROBO) gene family that controls neurite outgrowth, growth cone guidance, and axon fasciculation. ROBO proteins are a subfamily of the immunoglobulin transmembrane receptor superfamily. SLIT proteins 1-3, a family of secreted chemorepellants, are ligands for ROBO proteins and SLIT/ROBO interactions regulate myogenesis, leukocyte migration, kidney morphogenesis, angiogenesis, and vasculogenesis in addition to neurogenesis. This gene, ROBO3, has a putative extracellular domain with five immunoglobulin (Ig)-like loops and three fibronectin (Fn) type III motifs, a transmembrane segment, and a cytoplasmic tail with three conserved signaling motifs: CC0, CC2, and CC3 (CC for conserved cytoplasmic). Unlike other ROBO family members, ROBO3 lacks motif CC1. The ROBO3 gene regulates axonal navigation at the ventral midline of the neural tube. In mouse, loss of Robo3 results in a complete failure of commissural axons to cross the midline throughout the spinal cord and the hindbrain. Mutations ROBO3 result in horizontal gaze palsy with progressive scoliosis (HGPPS); an autosomal recessive disorder characterized by congenital absence of horizontal gaze, progressive scoliosis, and failure of the corticospinal and somatosensory axon tracts to cross the midline in the medulla. Alternative transcript variants have been described but have not been experimentally validated. [provided by RefSeq, Dec 2009]
PHENOTYPE: Homozygous mutants display perinatal lethality, abnormal commissural axon growth, and fragile floor plates. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
3425401B19Rik T C 14: 32,381,934 (GRCm39) R1344G possibly damaging Het
4933402J07Rik C A 8: 88,315,649 (GRCm39) D246E probably damaging Het
Appl1 T A 14: 26,674,985 (GRCm39) K191* probably null Het
Bptf T C 11: 107,022,168 (GRCm39) D194G probably benign Het
Cacna2d2 T C 9: 107,389,206 (GRCm39) V223A probably damaging Het
Ccdc13 T C 9: 121,649,824 (GRCm39) K208E probably damaging Het
Chd7 T C 4: 8,811,465 (GRCm39) V813A probably benign Het
Chst14 T C 2: 118,757,524 (GRCm39) V131A probably benign Het
Ctla4 A G 1: 60,951,686 (GRCm39) T72A probably damaging Het
Dnmt3a T C 12: 3,949,635 (GRCm39) S531P probably benign Het
Erbb4 T C 1: 68,348,785 (GRCm39) I531V probably benign Het
Fam151a T A 4: 106,605,102 (GRCm39) M488K probably benign Het
Foxa1 C A 12: 57,589,246 (GRCm39) A325S probably benign Het
Ighv8-5 C T 12: 115,031,309 (GRCm39) D77N probably benign Het
Itga3 C A 11: 94,953,566 (GRCm39) A259S probably benign Het
Kcnh4 T C 11: 100,648,010 (GRCm39) N118D probably damaging Het
Kif5b A T 18: 6,225,381 (GRCm39) N216K probably damaging Het
Lipo2 C T 19: 33,726,023 (GRCm39) M76I probably benign Het
Man2b1 G A 8: 85,820,772 (GRCm39) A657T possibly damaging Het
Mms19 A C 19: 41,935,522 (GRCm39) D831E probably damaging Het
Muc21 T G 17: 35,933,098 (GRCm39) probably benign Het
Myo1a G T 10: 127,554,453 (GRCm39) A808S probably benign Het
Myo7b A T 18: 32,095,757 (GRCm39) W1834R probably benign Het
Mypn T A 10: 62,966,977 (GRCm39) K900* probably null Het
Ogfr AGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCAAAAGGCCAGGTGGAGCCAGAGGACCCAAAAGGCCAGGTGGGGCCAGAAGACCCAAAAGGCCAGGTGGGGCCAGAGGACCCAAAAGGCCAGGTGGGGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGGGGCCAGAG AGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCAAAAGGCCAGGTGGAGCCAGAGGACCCAAAAGGCCAGGTGGGGCCAGAAGACCCAAAAGGCCAGGTGGGGCCAGAGGACCCAAAAGGCCAGGTGGGGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGGGGCCAGAG 2: 180,236,850 (GRCm39) probably benign Het
Or4b1d G T 2: 89,968,947 (GRCm39) H179N possibly damaging Het
Or4k40 A G 2: 111,251,192 (GRCm39) Y35H probably damaging Het
Or6c212 A T 10: 129,558,783 (GRCm39) I210N possibly damaging Het
Osgepl1 A G 1: 53,357,299 (GRCm39) T154A probably damaging Het
Pacsin2 A T 15: 83,263,384 (GRCm39) Y82* probably null Het
Pomgnt1 T C 4: 116,009,348 (GRCm39) Y104H probably damaging Het
Scn9a T C 2: 66,396,625 (GRCm39) I89M probably damaging Het
Sdhd T C 9: 50,508,431 (GRCm39) H145R probably benign Het
Selenov C T 7: 27,987,897 (GRCm39) R260Q probably benign Het
Spag6l T C 16: 16,580,898 (GRCm39) E483G probably damaging Het
Ssh2 T A 11: 77,345,079 (GRCm39) Y1021* probably null Het
Syne2 C T 12: 76,012,546 (GRCm39) A2580V probably benign Het
Taf6 T C 5: 138,180,924 (GRCm39) E219G probably damaging Het
Ttc27 A G 17: 75,024,925 (GRCm39) T7A probably benign Het
Unc80 A G 1: 66,512,423 (GRCm39) K111R probably damaging Het
Other mutations in Robo3
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00927:Robo3 APN 9 37,339,050 (GRCm39) critical splice donor site probably null
IGL01023:Robo3 APN 9 37,340,847 (GRCm39) missense probably damaging 1.00
IGL01431:Robo3 APN 9 37,330,407 (GRCm39) unclassified probably benign
IGL01993:Robo3 APN 9 37,335,949 (GRCm39) missense probably damaging 1.00
IGL02256:Robo3 APN 9 37,336,649 (GRCm39) missense probably damaging 1.00
IGL02323:Robo3 APN 9 37,333,497 (GRCm39) missense probably benign 0.05
IGL02561:Robo3 APN 9 37,338,387 (GRCm39) missense possibly damaging 0.84
IGL02866:Robo3 APN 9 37,333,602 (GRCm39) missense possibly damaging 0.89
IGL02897:Robo3 APN 9 37,338,798 (GRCm39) nonsense probably null
IGL03003:Robo3 APN 9 37,330,587 (GRCm39) missense probably damaging 1.00
IGL03307:Robo3 APN 9 37,333,860 (GRCm39) missense probably damaging 0.96
IGL03097:Robo3 UTSW 9 37,333,824 (GRCm39) critical splice donor site probably null
R0137:Robo3 UTSW 9 37,336,640 (GRCm39) missense probably benign 0.00
R0266:Robo3 UTSW 9 37,333,936 (GRCm39) missense probably damaging 0.96
R0390:Robo3 UTSW 9 37,333,473 (GRCm39) missense probably benign 0.00
R0505:Robo3 UTSW 9 37,328,055 (GRCm39) unclassified probably benign
R0815:Robo3 UTSW 9 37,333,479 (GRCm39) missense probably damaging 1.00
R0924:Robo3 UTSW 9 37,340,778 (GRCm39) splice site probably benign
R1167:Robo3 UTSW 9 37,335,203 (GRCm39) nonsense probably null
R1203:Robo3 UTSW 9 37,329,978 (GRCm39) missense probably damaging 1.00
R1451:Robo3 UTSW 9 37,329,007 (GRCm39) missense probably benign 0.01
R1575:Robo3 UTSW 9 37,340,957 (GRCm39) missense probably damaging 1.00
R1596:Robo3 UTSW 9 37,335,928 (GRCm39) critical splice donor site probably null
R1660:Robo3 UTSW 9 37,340,440 (GRCm39) missense probably damaging 1.00
R1677:Robo3 UTSW 9 37,329,005 (GRCm39) missense possibly damaging 0.75
R1839:Robo3 UTSW 9 37,333,623 (GRCm39) missense probably benign 0.00
R1878:Robo3 UTSW 9 37,333,461 (GRCm39) missense probably damaging 1.00
R1891:Robo3 UTSW 9 37,339,351 (GRCm39) missense probably damaging 1.00
R2040:Robo3 UTSW 9 37,338,760 (GRCm39) missense probably damaging 1.00
R2859:Robo3 UTSW 9 37,339,400 (GRCm39) nonsense probably null
R3786:Robo3 UTSW 9 37,333,521 (GRCm39) missense probably damaging 1.00
R3886:Robo3 UTSW 9 37,333,477 (GRCm39) nonsense probably null
R3888:Robo3 UTSW 9 37,333,477 (GRCm39) nonsense probably null
R3910:Robo3 UTSW 9 37,330,591 (GRCm39) missense probably damaging 1.00
R4212:Robo3 UTSW 9 37,333,194 (GRCm39) missense probably damaging 1.00
R4213:Robo3 UTSW 9 37,333,194 (GRCm39) missense probably damaging 1.00
R4691:Robo3 UTSW 9 37,336,514 (GRCm39) missense probably damaging 0.99
R4979:Robo3 UTSW 9 37,334,640 (GRCm39) missense probably damaging 1.00
R5238:Robo3 UTSW 9 37,328,175 (GRCm39) missense probably damaging 0.99
R5570:Robo3 UTSW 9 37,336,571 (GRCm39) missense possibly damaging 0.81
R5629:Robo3 UTSW 9 37,330,507 (GRCm39) nonsense probably null
R5770:Robo3 UTSW 9 37,330,497 (GRCm39) missense possibly damaging 0.87
R5837:Robo3 UTSW 9 37,341,112 (GRCm39) critical splice acceptor site probably null
R6021:Robo3 UTSW 9 37,333,829 (GRCm39) nonsense probably null
R6129:Robo3 UTSW 9 37,334,589 (GRCm39) missense probably benign
R6232:Robo3 UTSW 9 37,332,225 (GRCm39) missense probably damaging 1.00
R6233:Robo3 UTSW 9 37,332,225 (GRCm39) missense probably damaging 1.00
R6235:Robo3 UTSW 9 37,332,225 (GRCm39) missense probably damaging 1.00
R6326:Robo3 UTSW 9 37,338,323 (GRCm39) missense probably damaging 1.00
R6354:Robo3 UTSW 9 37,328,513 (GRCm39) unclassified probably benign
R6355:Robo3 UTSW 9 37,330,235 (GRCm39) missense possibly damaging 0.71
R6475:Robo3 UTSW 9 37,334,586 (GRCm39) missense probably damaging 0.99
R6937:Robo3 UTSW 9 37,341,176 (GRCm39) missense probably benign 0.16
R7201:Robo3 UTSW 9 37,335,626 (GRCm39) nonsense probably null
R7208:Robo3 UTSW 9 37,336,020 (GRCm39) missense probably damaging 0.99
R7249:Robo3 UTSW 9 37,336,129 (GRCm39) missense probably benign
R7376:Robo3 UTSW 9 37,344,212 (GRCm39) missense probably damaging 1.00
R7380:Robo3 UTSW 9 37,329,852 (GRCm39) missense probably damaging 1.00
R7448:Robo3 UTSW 9 37,336,111 (GRCm39) missense possibly damaging 0.89
R7475:Robo3 UTSW 9 37,336,674 (GRCm39) missense probably benign 0.01
R7496:Robo3 UTSW 9 37,339,121 (GRCm39) missense probably damaging 1.00
R7587:Robo3 UTSW 9 37,340,942 (GRCm39) missense probably damaging 1.00
R7694:Robo3 UTSW 9 37,329,816 (GRCm39) missense probably benign 0.14
R8381:Robo3 UTSW 9 37,341,056 (GRCm39) missense probably damaging 1.00
R8495:Robo3 UTSW 9 37,336,664 (GRCm39) missense probably damaging 1.00
R8886:Robo3 UTSW 9 37,328,768 (GRCm39) missense probably damaging 0.99
R9422:Robo3 UTSW 9 37,329,789 (GRCm39) missense probably benign 0.03
R9563:Robo3 UTSW 9 37,340,900 (GRCm39) missense probably damaging 1.00
R9564:Robo3 UTSW 9 37,340,900 (GRCm39) missense probably damaging 1.00
R9681:Robo3 UTSW 9 37,339,087 (GRCm39) missense probably benign 0.45
R9681:Robo3 UTSW 9 37,334,558 (GRCm39) missense possibly damaging 0.75
X0024:Robo3 UTSW 9 37,339,151 (GRCm39) missense probably damaging 1.00
X0027:Robo3 UTSW 9 37,339,121 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GACAGCGTCATTCCAGATCTG -3'
(R):5'- ACACTTGTATCCGGGATCTCTC -3'

Sequencing Primer
(F):5'- AGACAAGATCTCACTGTATCCTTGGC -3'
(R):5'- ATCCGGGATCTCTCTAGATTTGG -3'
Posted On 2021-01-18