Incidental Mutation 'R3683:Nrxn1'
ID 269452
Institutional Source Beutler Lab
Gene Symbol Nrxn1
Ensembl Gene ENSMUSG00000024109
Gene Name neurexin I
Synonyms alpha-latrotoxin receptor (calcium-dependent), 1700062G21Rik, neurexin I alpha, neurexin I alpha, 9330127H16Rik, neurexin I beta, neurexin I beta, A230068P09Rik, neurexin I alpha, neurexin I beta
MMRRC Submission 040681-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3683 (G1)
Quality Score 225
Status Not validated
Chromosome 17
Chromosomal Location 90341059-91400499 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 90930880 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 779 (D779G)
Ref Sequence ENSEMBL: ENSMUSP00000124116 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000054059] [ENSMUST00000072671] [ENSMUST00000160800] [ENSMUST00000160844] [ENSMUST00000161402] [ENSMUST00000177342] [ENSMUST00000174331]
AlphaFold Q9CS84
Predicted Effect probably damaging
Transcript: ENSMUST00000054059
AA Change: D764G

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000057294
Gene: ENSMUSG00000024109
AA Change: D764G

DomainStartEndE-ValueType
low complexity region 9 23 N/A INTRINSIC
LamG 50 192 2.29e-31 SMART
EGF 216 256 4.26e0 SMART
LamG 304 438 2.3e-36 SMART
LamG 492 644 2.74e-43 SMART
EGF 671 705 1.58e-3 SMART
LamG 730 869 7.27e-25 SMART
LamG 917 1053 8.46e-35 SMART
EGF 1078 1112 1.87e1 SMART
LamG 1140 1297 7.74e-20 SMART
low complexity region 1324 1355 N/A INTRINSIC
low complexity region 1426 1441 N/A INTRINSIC
4.1m 1444 1462 1.19e-6 SMART
low complexity region 1481 1493 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000072671
AA Change: D764G

PolyPhen 2 Score 0.346 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000072458
Gene: ENSMUSG00000024109
AA Change: D764G

DomainStartEndE-ValueType
low complexity region 9 23 N/A INTRINSIC
LamG 50 192 2.29e-31 SMART
EGF 216 256 4.26e0 SMART
LamG 304 438 2.3e-36 SMART
LamG 492 644 2.74e-43 SMART
EGF 671 705 1.58e-3 SMART
LamG 730 869 7.27e-25 SMART
LamG 917 1053 8.46e-35 SMART
EGF 1078 1112 1.87e1 SMART
LamG 1140 1297 7.74e-20 SMART
low complexity region 1324 1355 N/A INTRINSIC
low complexity region 1423 1438 N/A INTRINSIC
4.1m 1441 1459 1.19e-6 SMART
low complexity region 1478 1490 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000160800
AA Change: D760G

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000124561
Gene: ENSMUSG00000024109
AA Change: D760G

DomainStartEndE-ValueType
low complexity region 9 23 N/A INTRINSIC
LamG 50 192 2.29e-31 SMART
EGF 216 256 4.26e0 SMART
LamG 300 434 2.3e-36 SMART
LamG 488 640 2.74e-43 SMART
EGF 667 701 1.58e-3 SMART
LamG 726 865 7.27e-25 SMART
LamG 913 1049 8.46e-35 SMART
EGF 1074 1108 1.87e1 SMART
LamG 1136 1293 7.74e-20 SMART
low complexity region 1320 1351 N/A INTRINSIC
low complexity region 1422 1437 N/A INTRINSIC
4.1m 1440 1458 1.19e-6 SMART
low complexity region 1477 1489 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000160844
AA Change: D772G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000125407
Gene: ENSMUSG00000024109
AA Change: D772G

DomainStartEndE-ValueType
low complexity region 9 23 N/A INTRINSIC
LamG 50 192 2.29e-31 SMART
EGF 216 256 4.26e0 SMART
LamG 304 446 1.24e-32 SMART
LamG 500 652 2.74e-43 SMART
EGF 679 713 1.58e-3 SMART
LamG 738 877 7.27e-25 SMART
LamG 925 1061 8.46e-35 SMART
EGF 1086 1120 1.87e1 SMART
LamG 1148 1305 7.74e-20 SMART
low complexity region 1332 1363 N/A INTRINSIC
low complexity region 1434 1449 N/A INTRINSIC
4.1m 1452 1470 1.19e-6 SMART
low complexity region 1489 1501 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000161102
Predicted Effect probably damaging
Transcript: ENSMUST00000161402
AA Change: D779G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000124116
Gene: ENSMUSG00000024109
AA Change: D779G

DomainStartEndE-ValueType
low complexity region 9 23 N/A INTRINSIC
LamG 50 192 2.29e-31 SMART
EGF 216 256 4.26e0 SMART
LamG 304 453 3.46e-31 SMART
LamG 507 659 2.74e-43 SMART
EGF 686 720 1.58e-3 SMART
LamG 745 884 7.27e-25 SMART
LamG 932 1068 8.46e-35 SMART
EGF 1093 1127 1.87e1 SMART
LamG 1155 1312 7.74e-20 SMART
low complexity region 1339 1370 N/A INTRINSIC
low complexity region 1441 1456 N/A INTRINSIC
4.1m 1459 1477 1.19e-6 SMART
low complexity region 1496 1508 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000161637
Predicted Effect possibly damaging
Transcript: ENSMUST00000177342
AA Change: D171G

PolyPhen 2 Score 0.949 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000135301
Gene: ENSMUSG00000024109
AA Change: D171G

DomainStartEndE-ValueType
Pfam:Laminin_G_2 1 51 4.8e-5 PFAM
EGF 78 112 7.6e-6 SMART
LamG 137 267 5.3e-29 SMART
SCOP:d1dyka1 273 327 2e-3 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000174331
AA Change: D772G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000133491
Gene: ENSMUSG00000024109
AA Change: D772G

DomainStartEndE-ValueType
signal peptide 1 30 N/A INTRINSIC
LamG 50 192 2.29e-31 SMART
EGF 216 256 4.26e0 SMART
LamG 304 446 1.24e-32 SMART
LamG 500 652 2.74e-43 SMART
EGF 679 713 1.58e-3 SMART
LamG 738 877 7.27e-25 SMART
LamG 925 1061 8.46e-35 SMART
EGF 1086 1120 1.87e1 SMART
LamG 1148 1275 3.29e-23 SMART
low complexity region 1302 1333 N/A INTRINSIC
low complexity region 1404 1419 N/A INTRINSIC
4.1m 1422 1440 1.19e-6 SMART
low complexity region 1459 1471 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000162227
Predicted Effect probably benign
Transcript: ENSMUST00000197224
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.5%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a single-pass type I membrane protein that belongs to the neurexin family. Neurexins are synaptic transmembrane receptors that bind endogenous ligands that include neuroligins, dystroglycan, and neurexophilins. Neurexin complexes are required for efficient neurotransmission and are involved in synaptogenesis. In vertebrates, alternate promoter usage results in multiple isoform classes, of which the alpha and beta classes are the best characterized. In humans, allelic variants in this gene are associated with Pitt-Hopkins-like syndrome-2, while deletions have been associated with autism and schizophrenia. Mouse knockouts display decreased spontaneous and evoked vesicle release resulting in impaired synaptic transmission. In addition, knockout mice show altered social approach, reduced social investigation, reduced locomotor activity, and in males, increased aggression. Alternative splicing and promoter usage result in multiple transcript variants. [provided by RefSeq, Nov 2016]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit reduced Ca(2+)-dependent binding of alpha-latrotoxin to brain membranes. Isolated synaptosomes display only a small reduction in alpha-latrotoxin -triggered glutamate release in the absence of Ca(2+) but show a major decrease in the presence of Ca(2+). [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930595M18Rik T C X: 80,463,841 (GRCm39) D622G possibly damaging Het
Acad11 T C 9: 103,992,543 (GRCm39) I495T probably damaging Het
Acat1 C T 9: 53,498,765 (GRCm39) A307T probably damaging Het
Ahdc1 T C 4: 132,793,013 (GRCm39) L1418P possibly damaging Het
Bmp2 T A 2: 133,396,392 (GRCm39) V16D probably benign Het
Cables2 G A 2: 179,906,263 (GRCm39) R121* probably null Het
Calb2 A G 8: 110,883,620 (GRCm39) Y35H probably benign Het
Cdon A G 9: 35,400,328 (GRCm39) E1014G possibly damaging Het
Clcn7 T C 17: 25,369,567 (GRCm39) L301P possibly damaging Het
Corin T C 5: 72,488,198 (GRCm39) D610G probably damaging Het
Csrnp2 A T 15: 100,379,879 (GRCm39) S471T probably benign Het
Dnah7a C A 1: 53,483,675 (GRCm39) M3367I probably benign Het
Elp4 A T 2: 105,533,106 (GRCm39) M413K possibly damaging Het
Fat1 A G 8: 45,470,975 (GRCm39) D1593G probably benign Het
Fbxw24 G A 9: 109,437,110 (GRCm39) P259L possibly damaging Het
Ggta1 T A 2: 35,298,000 (GRCm39) T162S probably benign Het
Gldn G A 9: 54,245,624 (GRCm39) E392K possibly damaging Het
Klra9 T C 6: 130,168,260 (GRCm39) N2S probably benign Het
Lama1 A G 17: 68,075,328 (GRCm39) D1015G probably benign Het
Lct T C 1: 128,231,963 (GRCm39) M629V probably damaging Het
Myg1 G C 15: 102,246,171 (GRCm39) G349R probably damaging Het
Or2d3c G A 7: 106,526,301 (GRCm39) R122* probably null Het
Or4a73 C A 2: 89,421,099 (GRCm39) R120L probably damaging Het
Or4c118 A T 2: 88,975,364 (GRCm39) M1K probably null Het
Or5d37 T A 2: 87,923,603 (GRCm39) I226F probably damaging Het
Osmr A C 15: 6,866,534 (GRCm39) V380G possibly damaging Het
Phf21b A G 15: 84,682,891 (GRCm39) I222T probably damaging Het
Ptprq G T 10: 107,544,489 (GRCm39) T347K probably benign Het
Sema6d G T 2: 124,496,146 (GRCm39) L63F possibly damaging Het
Serpinb9b C T 13: 33,213,581 (GRCm39) A46V probably damaging Het
Sf3b3 A G 8: 111,540,253 (GRCm39) probably null Het
Smpd1 T A 7: 105,204,609 (GRCm39) C163S probably damaging Het
Stat4 C T 1: 52,052,981 (GRCm39) T54I possibly damaging Het
Tacc2 A G 7: 130,226,800 (GRCm39) S1162G probably benign Het
Tbc1d20 C T 2: 152,153,737 (GRCm39) T354I probably benign Het
Tbc1d31 T C 15: 57,815,210 (GRCm39) probably null Het
Tmcc1 C CAT 6: 116,019,831 (GRCm39) probably null Het
Tmem181a T A 17: 6,346,061 (GRCm39) L185H probably damaging Het
Unc79 T A 12: 103,041,062 (GRCm39) N698K probably benign Het
Utrn A G 10: 12,542,579 (GRCm39) M1802T probably benign Het
Vmn1r8 A C 6: 57,013,260 (GRCm39) T104P probably damaging Het
Vmn2r13 C A 5: 109,304,721 (GRCm39) R570I probably damaging Het
Zfand6 G A 7: 84,283,570 (GRCm39) P11S probably damaging Het
Zfp1005 A G 2: 150,109,976 (GRCm39) K222R probably benign Het
Zmpste24 A G 4: 120,918,288 (GRCm39) F445L probably damaging Het
Other mutations in Nrxn1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01310:Nrxn1 APN 17 90,366,902 (GRCm39) critical splice donor site probably null
IGL01644:Nrxn1 APN 17 90,928,301 (GRCm39) missense possibly damaging 0.94
IGL01820:Nrxn1 APN 17 90,950,531 (GRCm39) missense probably damaging 0.98
IGL01902:Nrxn1 APN 17 91,395,919 (GRCm39) splice site probably null
IGL02079:Nrxn1 APN 17 90,950,511 (GRCm39) missense probably damaging 0.99
IGL02089:Nrxn1 APN 17 91,395,829 (GRCm39) missense probably benign 0.01
IGL02133:Nrxn1 APN 17 90,950,671 (GRCm39) missense probably damaging 1.00
IGL02179:Nrxn1 APN 17 90,937,511 (GRCm39) missense probably damaging 0.99
IGL02199:Nrxn1 APN 17 90,344,686 (GRCm39) missense probably damaging 1.00
IGL02262:Nrxn1 APN 17 91,011,636 (GRCm39) missense probably damaging 1.00
IGL02941:Nrxn1 APN 17 90,515,811 (GRCm39) missense probably damaging 1.00
PIT4449001:Nrxn1 UTSW 17 90,905,007 (GRCm39) missense probably damaging 1.00
PIT4791001:Nrxn1 UTSW 17 90,762,931 (GRCm39) intron probably benign
R0123:Nrxn1 UTSW 17 91,302,915 (GRCm39) splice site probably null
R0212:Nrxn1 UTSW 17 90,670,186 (GRCm39) unclassified probably benign
R0277:Nrxn1 UTSW 17 91,008,170 (GRCm39) critical splice donor site probably null
R0323:Nrxn1 UTSW 17 91,008,170 (GRCm39) critical splice donor site probably null
R0384:Nrxn1 UTSW 17 90,515,775 (GRCm39) missense probably damaging 1.00
R0395:Nrxn1 UTSW 17 91,395,742 (GRCm39) missense possibly damaging 0.90
R0606:Nrxn1 UTSW 17 90,872,801 (GRCm39) missense probably damaging 1.00
R0616:Nrxn1 UTSW 17 90,670,285 (GRCm39) missense probably damaging 1.00
R0624:Nrxn1 UTSW 17 91,396,117 (GRCm39) missense unknown
R0633:Nrxn1 UTSW 17 91,011,609 (GRCm39) missense probably damaging 1.00
R0927:Nrxn1 UTSW 17 90,344,758 (GRCm39) missense probably damaging 1.00
R1035:Nrxn1 UTSW 17 90,471,302 (GRCm39) missense probably damaging 0.96
R1221:Nrxn1 UTSW 17 90,950,722 (GRCm39) missense probably damaging 0.97
R1403:Nrxn1 UTSW 17 90,950,481 (GRCm39) missense probably benign 0.11
R1403:Nrxn1 UTSW 17 90,950,481 (GRCm39) missense probably benign 0.11
R1691:Nrxn1 UTSW 17 90,469,717 (GRCm39) missense probably damaging 0.98
R1703:Nrxn1 UTSW 17 90,515,845 (GRCm39) missense probably damaging 1.00
R1709:Nrxn1 UTSW 17 90,344,615 (GRCm39) missense probably damaging 1.00
R1721:Nrxn1 UTSW 17 90,469,832 (GRCm39) missense probably damaging 1.00
R1792:Nrxn1 UTSW 17 90,896,252 (GRCm39) missense probably damaging 0.96
R1980:Nrxn1 UTSW 17 91,395,746 (GRCm39) missense probably benign 0.01
R2116:Nrxn1 UTSW 17 91,011,705 (GRCm39) missense probably damaging 1.00
R2117:Nrxn1 UTSW 17 91,011,705 (GRCm39) missense probably damaging 1.00
R2162:Nrxn1 UTSW 17 90,469,859 (GRCm39) missense probably damaging 1.00
R3119:Nrxn1 UTSW 17 90,904,947 (GRCm39) nonsense probably null
R3409:Nrxn1 UTSW 17 90,515,795 (GRCm39) missense probably damaging 1.00
R3885:Nrxn1 UTSW 17 90,930,899 (GRCm39) missense probably damaging 1.00
R3939:Nrxn1 UTSW 17 90,515,849 (GRCm39) missense probably damaging 1.00
R4475:Nrxn1 UTSW 17 91,009,410 (GRCm39) missense probably damaging 0.98
R4640:Nrxn1 UTSW 17 90,868,196 (GRCm39) missense probably damaging 1.00
R4678:Nrxn1 UTSW 17 90,930,850 (GRCm39) missense probably damaging 1.00
R4690:Nrxn1 UTSW 17 90,344,509 (GRCm39) missense probably damaging 1.00
R4790:Nrxn1 UTSW 17 90,762,477 (GRCm39) missense possibly damaging 0.86
R4877:Nrxn1 UTSW 17 91,395,605 (GRCm39) missense probably benign 0.33
R4989:Nrxn1 UTSW 17 90,928,274 (GRCm39) intron probably benign
R5204:Nrxn1 UTSW 17 90,469,792 (GRCm39) missense probably damaging 1.00
R5205:Nrxn1 UTSW 17 90,471,302 (GRCm39) missense probably damaging 0.96
R5239:Nrxn1 UTSW 17 91,011,537 (GRCm39) missense probably damaging 1.00
R5250:Nrxn1 UTSW 17 90,842,869 (GRCm39) intron probably benign
R5473:Nrxn1 UTSW 17 90,897,520 (GRCm39) missense probably damaging 1.00
R5629:Nrxn1 UTSW 17 90,897,460 (GRCm39) missense possibly damaging 0.75
R5743:Nrxn1 UTSW 17 90,950,652 (GRCm39) missense probably damaging 1.00
R5910:Nrxn1 UTSW 17 91,011,746 (GRCm39) nonsense probably null
R5961:Nrxn1 UTSW 17 90,762,371 (GRCm39) missense probably damaging 0.99
R5979:Nrxn1 UTSW 17 91,395,631 (GRCm39) missense possibly damaging 0.54
R5992:Nrxn1 UTSW 17 90,930,935 (GRCm39) missense probably benign 0.01
R6024:Nrxn1 UTSW 17 90,897,526 (GRCm39) missense possibly damaging 0.88
R6031:Nrxn1 UTSW 17 90,896,218 (GRCm39) missense probably damaging 1.00
R6031:Nrxn1 UTSW 17 90,896,218 (GRCm39) missense probably damaging 1.00
R6185:Nrxn1 UTSW 17 90,344,564 (GRCm39) missense probably damaging 1.00
R6220:Nrxn1 UTSW 17 91,395,904 (GRCm39) missense probably benign 0.14
R6306:Nrxn1 UTSW 17 90,872,874 (GRCm39) missense possibly damaging 0.55
R6621:Nrxn1 UTSW 17 90,469,610 (GRCm39) missense probably damaging 1.00
R6669:Nrxn1 UTSW 17 90,366,991 (GRCm39) missense probably damaging 0.98
R6770:Nrxn1 UTSW 17 90,344,607 (GRCm39) missense probably damaging 1.00
R6798:Nrxn1 UTSW 17 90,937,378 (GRCm39) missense probably damaging 1.00
R6923:Nrxn1 UTSW 17 91,395,661 (GRCm39) missense probably benign 0.06
R7140:Nrxn1 UTSW 17 91,396,192 (GRCm39) start gained probably benign
R7374:Nrxn1 UTSW 17 90,896,097 (GRCm39) critical splice donor site probably null
R7564:Nrxn1 UTSW 17 90,670,334 (GRCm39) missense possibly damaging 0.64
R7570:Nrxn1 UTSW 17 90,469,807 (GRCm39) missense probably benign 0.35
R7800:Nrxn1 UTSW 17 91,396,635 (GRCm39) unclassified probably benign
R7828:Nrxn1 UTSW 17 90,366,979 (GRCm39) missense probably damaging 0.99
R7974:Nrxn1 UTSW 17 91,008,207 (GRCm39) missense probably damaging 1.00
R8001:Nrxn1 UTSW 17 91,395,964 (GRCm39) missense possibly damaging 0.49
R8189:Nrxn1 UTSW 17 91,011,637 (GRCm39) missense probably damaging 0.96
R8258:Nrxn1 UTSW 17 90,471,249 (GRCm39) missense probably damaging 0.99
R8259:Nrxn1 UTSW 17 90,471,249 (GRCm39) missense probably damaging 0.99
R8298:Nrxn1 UTSW 17 91,011,597 (GRCm39) missense probably damaging 1.00
R8801:Nrxn1 UTSW 17 91,009,393 (GRCm39) critical splice donor site probably benign
R8814:Nrxn1 UTSW 17 90,937,529 (GRCm39) missense probably damaging 1.00
R8873:Nrxn1 UTSW 17 90,872,821 (GRCm39) nonsense probably null
R8954:Nrxn1 UTSW 17 90,897,615 (GRCm39) missense probably damaging 1.00
R9086:Nrxn1 UTSW 17 90,469,792 (GRCm39) missense probably damaging 1.00
R9110:Nrxn1 UTSW 17 90,869,233 (GRCm39) nonsense probably null
R9498:Nrxn1 UTSW 17 90,897,397 (GRCm39) missense probably damaging 1.00
R9499:Nrxn1 UTSW 17 90,937,450 (GRCm39) missense probably damaging 1.00
R9552:Nrxn1 UTSW 17 90,937,450 (GRCm39) missense probably damaging 1.00
R9780:Nrxn1 UTSW 17 90,931,042 (GRCm39) missense possibly damaging 0.54
RF005:Nrxn1 UTSW 17 90,670,304 (GRCm39) missense probably damaging 1.00
RF024:Nrxn1 UTSW 17 90,670,304 (GRCm39) missense probably damaging 1.00
X0021:Nrxn1 UTSW 17 90,897,640 (GRCm39) missense probably damaging 1.00
X0063:Nrxn1 UTSW 17 90,670,259 (GRCm39) missense possibly damaging 0.54
Z1088:Nrxn1 UTSW 17 90,366,933 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTTGGTAGGAATCACAAAGCAC -3'
(R):5'- ACGGTTTTGAGCTACGACG -3'

Sequencing Primer
(F):5'- GGAATCACAAAGCACTAAATTATGAG -3'
(R):5'- CTACGACGGGAGCATGTTCATG -3'
Posted On 2015-02-19