Incidental Mutation 'R0750:Izumo1'
ID 70279
Institutional Source Beutler Lab
Gene Symbol Izumo1
Ensembl Gene ENSMUSG00000064158
Gene Name izumo sperm-egg fusion 1
Synonyms 1700058F15Rik
MMRRC Submission 038930-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0750 (G1)
Quality Score 225
Status Not validated
Chromosome 7
Chromosomal Location 45270251-45276653 bp(+) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) T to C at 45275707 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000033100 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033100] [ENSMUST00000033100] [ENSMUST00000057927]
AlphaFold Q9D9J7
Predicted Effect probably null
Transcript: ENSMUST00000033100
SMART Domains Protein: ENSMUSP00000033100
Gene: ENSMUSG00000064158

DomainStartEndE-ValueType
low complexity region 7 13 N/A INTRINSIC
Pfam:IZUMO 21 166 2.6e-53 PFAM
IG 167 253 2.43e-2 SMART
transmembrane domain 320 342 N/A INTRINSIC
Predicted Effect probably null
Transcript: ENSMUST00000033100
SMART Domains Protein: ENSMUSP00000033100
Gene: ENSMUSG00000064158

DomainStartEndE-ValueType
low complexity region 7 13 N/A INTRINSIC
Pfam:IZUMO 21 166 2.6e-53 PFAM
IG 167 253 2.43e-2 SMART
transmembrane domain 320 342 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000057927
SMART Domains Protein: ENSMUSP00000062429
Gene: ENSMUSG00000044562

DomainStartEndE-ValueType
low complexity region 41 57 N/A INTRINSIC
low complexity region 59 67 N/A INTRINSIC
low complexity region 72 90 N/A INTRINSIC
low complexity region 97 112 N/A INTRINSIC
RA 141 253 6.94e-8 SMART
low complexity region 284 308 N/A INTRINSIC
low complexity region 310 326 N/A INTRINSIC
low complexity region 327 339 N/A INTRINSIC
SCOP:d1gxca_ 391 484 1e-2 SMART
low complexity region 498 509 N/A INTRINSIC
low complexity region 556 575 N/A INTRINSIC
low complexity region 679 692 N/A INTRINSIC
DIL 768 877 4.14e-44 SMART
low complexity region 928 947 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000209590
Predicted Effect noncoding transcript
Transcript: ENSMUST00000211418
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.0%
  • 20x: 93.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The sperm-specific protein Izumo, named for a Japanese shrine dedicated to marriage, is essential for sperm-egg plasma membrane binding and fusion (Inoue et al., 2005 [PubMed 15759005]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Homozygous null male mice are infertile due to inability of sperm to fuse with the egg. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 23 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agrn A T 4: 156,251,394 (GRCm39) L1974* probably null Het
Brd4 T C 17: 32,439,226 (GRCm39) E418G probably benign Het
Brip1 G A 11: 85,952,325 (GRCm39) S1152L possibly damaging Het
Btrc T G 19: 45,491,585 (GRCm39) F81C probably damaging Het
Cep85l A G 10: 53,157,642 (GRCm39) L585P probably damaging Het
Cfap46 T G 7: 139,234,586 (GRCm39) E671D probably damaging Het
Dsg1a T C 18: 20,473,210 (GRCm39) L761P probably benign Het
Ece2 G T 16: 20,451,800 (GRCm39) V396L probably benign Het
Garin4 G A 1: 190,896,682 (GRCm39) probably benign Het
Hs6st3 CGGAGGAGGAGGAGGAGGA CGGAGGAGGAGGAGGA 14: 119,376,119 (GRCm39) probably benign Het
Id2 A G 12: 25,145,670 (GRCm39) S114P probably damaging Het
Igf1r T C 7: 67,861,839 (GRCm39) F1133S probably damaging Het
Krt35 A G 11: 99,986,979 (GRCm39) S12P possibly damaging Het
Or5a1 T C 19: 12,098,077 (GRCm39) probably null Het
Pkdrej G T 15: 85,702,275 (GRCm39) D1220E probably benign Het
Pramel32 A G 4: 88,545,905 (GRCm39) F479S probably benign Het
Sema3a G A 5: 13,607,092 (GRCm39) probably null Het
Tmed6 T C 8: 107,788,401 (GRCm39) Y182C possibly damaging Het
Tmem174 G T 13: 98,773,787 (GRCm39) N14K probably damaging Het
Tmem87b T C 2: 128,660,356 (GRCm39) L33P possibly damaging Het
Vmn1r16 T C 6: 57,299,812 (GRCm39) Y270C probably benign Het
Vps37d A T 5: 135,103,294 (GRCm39) L116Q possibly damaging Het
Zfp592 A G 7: 80,674,493 (GRCm39) S486G probably benign Het
Other mutations in Izumo1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00950:Izumo1 APN 7 45,272,295 (GRCm39) nonsense probably null
IGL01380:Izumo1 APN 7 45,276,519 (GRCm39) missense probably benign
IGL02824:Izumo1 APN 7 45,275,072 (GRCm39) missense probably benign 0.01
IGL03189:Izumo1 APN 7 45,274,588 (GRCm39) missense probably damaging 1.00
IGL03389:Izumo1 APN 7 45,273,613 (GRCm39) missense probably damaging 1.00
R0062:Izumo1 UTSW 7 45,276,621 (GRCm39) missense probably benign
R0062:Izumo1 UTSW 7 45,276,621 (GRCm39) missense probably benign
R0233:Izumo1 UTSW 7 45,273,592 (GRCm39) missense probably damaging 1.00
R0233:Izumo1 UTSW 7 45,273,592 (GRCm39) missense probably damaging 1.00
R0609:Izumo1 UTSW 7 45,272,323 (GRCm39) missense probably benign 0.11
R0839:Izumo1 UTSW 7 45,276,536 (GRCm39) missense probably benign 0.00
R0959:Izumo1 UTSW 7 45,274,415 (GRCm39) missense probably damaging 1.00
R1024:Izumo1 UTSW 7 45,276,598 (GRCm39) missense probably benign 0.05
R1469:Izumo1 UTSW 7 45,272,437 (GRCm39) missense probably damaging 1.00
R1469:Izumo1 UTSW 7 45,272,437 (GRCm39) missense probably damaging 1.00
R4771:Izumo1 UTSW 7 45,272,234 (GRCm39) missense probably damaging 0.99
R4771:Izumo1 UTSW 7 45,272,233 (GRCm39) missense probably benign 0.41
R4825:Izumo1 UTSW 7 45,274,411 (GRCm39) nonsense probably null
R4839:Izumo1 UTSW 7 45,275,657 (GRCm39) missense probably benign 0.33
R7140:Izumo1 UTSW 7 45,275,536 (GRCm39) missense probably benign 0.22
R7143:Izumo1 UTSW 7 45,276,519 (GRCm39) missense probably benign 0.00
R8027:Izumo1 UTSW 7 45,275,678 (GRCm39) missense probably benign 0.33
R8543:Izumo1 UTSW 7 45,275,678 (GRCm39) missense possibly damaging 0.86
R8766:Izumo1 UTSW 7 45,276,496 (GRCm39) missense probably benign
R9114:Izumo1 UTSW 7 45,276,583 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TTATTGGCTGCTGCCAGGACTG -3'
(R):5'- AAGCCTGCCTCTGTCTTCAAGC -3'

Sequencing Primer
(F):5'- GTATTGCCCCCAAAGCATTCAG -3'
(R):5'- aaagggggagggggtgg -3'
Posted On 2013-09-30