Incidental Mutation 'R7140:Izumo1'
ID 553398
Institutional Source Beutler Lab
Gene Symbol Izumo1
Ensembl Gene ENSMUSG00000064158
Gene Name izumo sperm-egg fusion 1
Synonyms 1700058F15Rik
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7140 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 45270251-45276653 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 45275536 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 282 (T282A)
Ref Sequence ENSEMBL: ENSMUSP00000033100 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033100] [ENSMUST00000057927]
AlphaFold Q9D9J7
Predicted Effect probably benign
Transcript: ENSMUST00000033100
AA Change: T282A

PolyPhen 2 Score 0.225 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000033100
Gene: ENSMUSG00000064158
AA Change: T282A

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency 99% (70/71)
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: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgra2 T C 8: 27,610,929 (GRCm39) probably null Het
Ap2a2 G A 7: 141,178,777 (GRCm39) A148T probably benign Het
Arhgef3 A T 14: 27,123,664 (GRCm39) N442Y probably damaging Het
B3gat3 A G 19: 8,903,216 (GRCm39) Y191C probably damaging Het
B430306N03Rik A T 17: 48,629,483 (GRCm39) K203* probably null Het
C1qtnf6 T A 15: 78,409,283 (GRCm39) Y188F probably benign Het
Capn10 T C 1: 92,872,993 (GRCm39) V573A possibly damaging Het
Cbx4 T C 11: 118,972,754 (GRCm39) Y207C probably damaging Het
Ccdc43 G T 11: 102,579,695 (GRCm39) probably null Het
Ccng2 C A 5: 93,416,614 (GRCm39) P45Q probably benign Het
Cd86 T C 16: 36,441,263 (GRCm39) H68R probably benign Het
Cmtm4 A G 8: 105,081,827 (GRCm39) Y187H probably damaging Het
Cst11 T C 2: 148,610,649 (GRCm39) N134S probably benign Het
Cyp3a25 A T 5: 145,939,855 (GRCm39) F51I probably benign Het
Dnhd1 A G 7: 105,342,973 (GRCm39) E1439G probably benign Het
Dock4 T C 12: 40,686,158 (GRCm39) V131A probably benign Het
Dpysl2 A G 14: 67,099,982 (GRCm39) S85P probably benign Het
Dync1i2 A G 2: 71,078,283 (GRCm39) H324R probably benign Het
Elf1 A G 14: 79,804,710 (GRCm39) D162G probably benign Het
Eri3 G A 4: 117,506,604 (GRCm39) probably null Het
Fbxl21 T C 13: 56,680,145 (GRCm39) S203P probably damaging Het
Foxi1 G A 11: 34,155,758 (GRCm39) R291C probably damaging Het
Gprin3 C T 6: 59,332,128 (GRCm39) A60T possibly damaging Het
Hecw1 A G 13: 14,491,118 (GRCm39) C212R probably benign Het
Hivep3 T C 4: 119,954,318 (GRCm39) L878P probably damaging Het
Hs6st3 A T 14: 119,376,514 (GRCm39) N230Y probably damaging Het
Htr3b A G 9: 48,848,441 (GRCm39) V268A possibly damaging Het
Ip6k3 T C 17: 27,363,969 (GRCm39) T360A probably damaging Het
Kidins220 T A 12: 25,086,623 (GRCm39) I1019N probably damaging Het
Med13l T C 5: 118,880,037 (GRCm39) V1043A probably benign Het
Mon2 C T 10: 122,871,358 (GRCm39) V420I probably benign Het
Naip6 T A 13: 100,436,708 (GRCm39) Y605F possibly damaging Het
Nek7 A G 1: 138,414,793 (GRCm39) I285T probably benign Het
Notch3 A G 17: 32,375,351 (GRCm39) V357A possibly damaging Het
Nrxn1 G A 17: 91,396,192 (GRCm39) probably benign Het
Nutm1 G A 2: 112,080,401 (GRCm39) R505C probably damaging Het
Or2w4 C T 13: 21,795,297 (GRCm39) V281M possibly damaging Het
Or4a67 G A 2: 88,598,308 (GRCm39) A117V probably damaging Het
Or5g9 T A 2: 85,551,818 (GRCm39) L23Q probably damaging Het
Or6c74 T G 10: 129,870,083 (GRCm39) M196R possibly damaging Het
Ostm1 C T 10: 42,559,268 (GRCm39) A176V probably null Het
Pabpc6 C A 17: 9,887,357 (GRCm39) S398I possibly damaging Het
Pcdhac2 C A 18: 37,277,239 (GRCm39) P73H possibly damaging Het
Pcdhga9 A G 18: 37,872,184 (GRCm39) D671G possibly damaging Het
Peg10 GC GCTCC 6: 4,756,452 (GRCm39) probably benign Het
Pigu A C 2: 155,143,160 (GRCm39) L248R possibly damaging Het
Pinx1 C A 14: 64,097,834 (GRCm39) probably null Het
Pon3 T C 6: 5,221,664 (GRCm39) N322S possibly damaging Het
Pramel23 T G 4: 143,425,002 (GRCm39) H147P probably benign Het
Rnft1 A G 11: 86,382,586 (GRCm39) I270V probably benign Het
Scgb2b11 A G 7: 31,910,006 (GRCm39) F27L probably damaging Het
Slc5a4b C T 10: 75,910,943 (GRCm39) V298I probably damaging Het
Slco1a6 T A 6: 142,048,745 (GRCm39) H345L probably benign Het
Sox1 C T 8: 12,447,405 (GRCm39) P349S possibly damaging Het
Spata31 A G 13: 65,068,913 (GRCm39) N354D probably benign Het
Speg T C 1: 75,383,414 (GRCm39) probably null Het
Stpg1 T C 4: 135,261,033 (GRCm39) I281T probably benign Het
Sult3a1 T C 10: 33,753,283 (GRCm39) L193P probably damaging Het
Tenm3 A T 8: 48,745,271 (GRCm39) C1097S probably damaging Het
Tfap2a A G 13: 40,883,523 (GRCm39) S7P probably benign Het
Tlr1 T C 5: 65,083,021 (GRCm39) I519V probably benign Het
Tmem238 A G 7: 4,792,072 (GRCm39) V157A possibly damaging Het
Tmem45b A T 9: 31,345,780 (GRCm39) probably null Het
Togaram2 A T 17: 72,021,761 (GRCm39) H742L probably benign Het
Trpc7 A T 13: 56,937,487 (GRCm39) Y656* probably null Het
Wdr35 T A 12: 9,072,785 (GRCm39) Y920N probably damaging Het
Xab2 G A 8: 3,668,117 (GRCm39) R154C possibly damaging Het
Zfp759 A T 13: 67,288,177 (GRCm39) H576L possibly damaging Het
Zfp958 G T 8: 4,678,481 (GRCm39) A169S 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
R0750:Izumo1 UTSW 7 45,275,707 (GRCm39) critical splice donor site probably null
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
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'- TGGTTTCCTGCCTAACTGGG -3'
(R):5'- AGATAATGATGCTGGCCACAAG -3'

Sequencing Primer
(F):5'- GTGTGCCCACCCTTTAGAGAAG -3'
(R):5'- GATGCTGGCCACAAGAACCAC -3'
Posted On 2019-05-15