Incidental Mutation 'R7249:Robo3'
ID 563764
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 045312-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7249 (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 A at 37336129 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Leucine at position 446 (I446L)
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 benign
Transcript: ENSMUST00000034643
AA Change: I424L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000034643
Gene: ENSMUSG00000032128
AA Change: I424L

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 benign
Transcript: ENSMUST00000115038
AA Change: I446L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000110690
Gene: ENSMUSG00000032128
AA Change: I446L

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 benign
Transcript: ENSMUST00000170512
AA Change: I424L

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.2%
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: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700011L22Rik T C 8: 79,974,970 (GRCm39) T38A probably benign Het
3425401B19Rik G T 14: 32,385,271 (GRCm39) S231R possibly damaging Het
Abi1 T C 2: 22,847,101 (GRCm39) E250G possibly damaging Het
Actl6b T A 5: 137,553,347 (GRCm39) S120T probably damaging Het
Adgrv1 G A 13: 81,522,378 (GRCm39) H5920Y probably damaging Het
Adra2c G A 5: 35,438,299 (GRCm39) R357H probably damaging Het
Ap3d1 T C 10: 80,577,767 (GRCm39) D20G probably damaging Het
Arfgef3 A T 10: 18,506,583 (GRCm39) D847E possibly damaging Het
Cacna1d T C 14: 29,864,660 (GRCm39) E434G probably damaging Het
Carm1 T C 9: 21,497,505 (GRCm39) Y356H probably benign Het
Clip1 T C 5: 123,741,663 (GRCm39) K1075R probably damaging Het
Cyp27b1 G T 10: 126,886,918 (GRCm39) probably null Het
D630045J12Rik A T 6: 38,113,885 (GRCm39) V1769D possibly damaging Het
Dchs2 C T 3: 83,035,336 (GRCm39) Q28* probably null Het
Dpp4 A G 2: 62,215,547 (GRCm39) F107L probably benign Het
Eln AGGGACACCAGCACCAGCCCCAAATCCGGGGACACCAGCACCAGCCCCAAATCCGGGGACACCAGCACCAGCCCCAAATCCGGGGACACCAGCACCAGCCCCAAATCCAGGGACACCAGC AGGGACACCAGCACCAGCCCCAAATCCGGGGACACCAGCACCAGCCCCAAATCCAGGGACACCAGC 5: 134,739,935 (GRCm39) probably benign Het
Faap24 A G 7: 35,094,485 (GRCm39) V105A probably benign Het
Gabra6 A T 11: 42,208,259 (GRCm39) D166E probably damaging Het
Gfpt1 A G 6: 87,033,126 (GRCm39) E117G probably damaging Het
H2-T10 T C 17: 36,430,269 (GRCm39) D224G probably damaging Het
Hspa12a T A 19: 58,793,865 (GRCm39) E332V probably benign Het
Htr5b T A 1: 121,438,203 (GRCm39) N343Y probably damaging Het
Irf8 C A 8: 121,466,571 (GRCm39) N5K possibly damaging Het
Itgb1 C A 8: 129,446,885 (GRCm39) Q467K probably benign Het
Itpr2 C A 6: 146,212,550 (GRCm39) C1522F probably damaging Het
Jmjd1c T A 10: 67,025,596 (GRCm39) L138I probably benign Het
Lrrc8b G T 5: 105,629,133 (GRCm39) R493L probably benign Het
Malrd1 G T 2: 15,628,151 (GRCm39) C400F probably damaging Het
Marchf8 G A 6: 116,383,195 (GRCm39) E257K probably benign Het
Mastl G A 2: 23,036,151 (GRCm39) H122Y probably damaging Het
Mis18a T C 16: 90,523,202 (GRCm39) K98R possibly damaging Het
Msra A G 14: 64,678,212 (GRCm39) V28A probably benign Het
Mtmr7 A G 8: 41,043,520 (GRCm39) V177A probably benign Het
Nelfcd T C 2: 174,264,999 (GRCm39) probably null Het
Nemp1 T C 10: 127,529,395 (GRCm39) S226P probably damaging Het
Nmnat1 G A 4: 149,554,099 (GRCm39) T147I probably null Het
Ntng2 A G 2: 29,118,004 (GRCm39) V148A probably benign Het
Nup214 A G 2: 31,878,245 (GRCm39) H304R possibly damaging Het
Or4a2 T C 2: 89,248,217 (GRCm39) Y180C probably damaging Het
Phldb2 C A 16: 45,621,977 (GRCm39) A623S probably damaging Het
Pitrm1 C T 13: 6,610,161 (GRCm39) T411I probably damaging Het
Pkn3 G A 2: 29,974,773 (GRCm39) R429Q probably benign Het
Plcb4 A G 2: 135,849,741 (GRCm39) probably null Het
Pmpca G C 2: 26,285,046 (GRCm39) E424Q possibly damaging Het
Pnp G A 14: 51,188,887 (GRCm39) V227I probably benign Het
Pskh1 T C 8: 106,639,886 (GRCm39) S189P possibly damaging Het
Rbpms2 T G 9: 65,556,632 (GRCm39) V24G probably damaging Het
Septin8 A T 11: 53,425,949 (GRCm39) K174I probably damaging Het
Shank1 C T 7: 43,976,585 (GRCm39) A561V unknown Het
Slco4a1 A G 2: 180,106,604 (GRCm39) Y262C probably benign Het
Son AGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCG AGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCG 16: 91,457,222 (GRCm39) probably benign Het
Spidr T C 16: 15,784,512 (GRCm39) S519G probably benign Het
Ssx2ip A G 3: 146,132,193 (GRCm39) N218S possibly damaging Het
Svil T C 18: 5,056,270 (GRCm39) V381A probably benign Het
Svil T C 18: 5,062,247 (GRCm39) S769P probably damaging Het
Tep1 A T 14: 51,061,732 (GRCm39) C2595S possibly damaging Het
Tiam1 T C 16: 89,640,143 (GRCm39) Y858C probably damaging Het
Tie1 A G 4: 118,343,425 (GRCm39) V146A probably benign Het
Traf3ip1 G T 1: 91,455,361 (GRCm39) E578D probably damaging Het
Trim23 A G 13: 104,324,663 (GRCm39) Y247C probably damaging Het
Tsc2 A G 17: 24,826,729 (GRCm39) W896R probably damaging Het
Vmn1r157 T C 7: 22,461,125 (GRCm39) S2P probably benign Het
Xkr4 T A 1: 3,287,033 (GRCm39) T386S probably damaging Het
Zdhhc24 T G 19: 4,928,889 (GRCm39) V38G possibly 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
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
R8464:Robo3 UTSW 9 37,332,726 (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'- TTCCAGGGATGTCACTCACC -3'
(R):5'- GTTTCTACAGCTGTGTGGCC -3'

Sequencing Primer
(F):5'- CAGGGATGTCACTCACCTGTATG -3'
(R):5'- TCTACAGCTGTGTGGCCAAGAG -3'
Posted On 2019-06-26