Incidental Mutation 'R6556:Spag1'
ID 522202
Institutional Source Beutler Lab
Gene Symbol Spag1
Ensembl Gene ENSMUSG00000037617
Gene Name sperm associated antigen 1
Synonyms TPR-containing protein involved in spermatogenesis, tpis
Accession Numbers
Essential gene? Probably essential (E-score: 0.799) question?
Stock # R6556 (G1)
Quality Score 225.009
Status Not validated
Chromosome 15
Chromosomal Location 36178245-36235767 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 36195553 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 249 (Y249H)
Ref Sequence ENSEMBL: ENSMUSP00000132233 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047348] [ENSMUST00000171205]
AlphaFold Q80ZX8
Predicted Effect probably damaging
Transcript: ENSMUST00000047348
AA Change: Y249H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000047335
Gene: ENSMUSG00000037617
AA Change: Y249H

DomainStartEndE-ValueType
TPR 213 246 1.88e0 SMART
TPR 247 279 3.47e-4 SMART
TPR 280 313 8.23e-6 SMART
low complexity region 383 400 N/A INTRINSIC
TPR 430 463 5.92e1 SMART
TPR 472 505 2.49e-5 SMART
TPR 506 539 5.31e0 SMART
TPR 606 639 7.63e-1 SMART
TPR 640 673 1.38e-7 SMART
Pfam:RPAP3_C 777 869 1.7e-18 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000171205
AA Change: Y249H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132233
Gene: ENSMUSG00000037617
AA Change: Y249H

DomainStartEndE-ValueType
TPR 213 246 1.88e0 SMART
TPR 247 279 3.47e-4 SMART
TPR 280 313 8.23e-6 SMART
low complexity region 383 400 N/A INTRINSIC
TPR 430 463 5.92e1 SMART
TPR 472 505 2.49e-5 SMART
TPR 506 539 5.31e0 SMART
TPR 606 639 7.63e-1 SMART
TPR 640 673 1.38e-7 SMART
Pfam:RPAP3_C 777 869 1.7e-18 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227436
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227524
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.5%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The correlation of anti-sperm antibodies with cases of unexplained infertility implicates a role for these antibodies in blocking fertilization. Improved diagnosis and treatment of immunologic infertility, as well as identification of proteins for targeted contraception, are dependent on the identification and characterization of relevant sperm antigens. The protein expressed by this gene is recognized by anti-sperm agglutinating antibodies from an infertile woman. Furthermore, immunization of female rats with the recombinant human protein reduced fertility. This protein localizes to the plasma membrane of germ cells in the testis and to the post-acrosomal plasma membrane of mature spermatozoa. Recombinant polypeptide binds GTP and exhibits GTPase activity. Thus, this protein may regulate GTP signal transduction pathways involved in spermatogenesis and fertilization. Two transcript variants of this gene encode the same protein. [provided by RefSeq, Jul 2008]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atosb C T 4: 43,033,896 (GRCm39) R460H probably damaging Het
Atp2a1 G T 7: 126,049,434 (GRCm39) P536Q probably benign Het
Bnip5 T A 17: 29,123,585 (GRCm39) D114V probably damaging Het
Cabyr T A 18: 12,884,073 (GRCm39) S187T probably benign Het
Camkk1 A T 11: 72,924,696 (GRCm39) N303I probably benign Het
Cdh13 C T 8: 119,694,926 (GRCm39) P259S probably damaging Het
Csnk1g3 A G 18: 54,063,354 (GRCm39) D255G possibly damaging Het
Dennd5b A C 6: 148,915,749 (GRCm39) probably null Het
Dnajc14 A G 10: 128,650,500 (GRCm39) D528G probably benign Het
Edem1 T C 6: 108,831,318 (GRCm39) F593S probably benign Het
Efcab3 A G 11: 104,899,077 (GRCm39) N4343S probably null Het
Erbb2 G A 11: 98,326,908 (GRCm39) D1106N possibly damaging Het
Ermp1 T C 19: 29,590,321 (GRCm39) M794V possibly damaging Het
Fip1l1 T A 5: 74,707,838 (GRCm39) probably null Het
Gm20730 C T 6: 43,058,476 (GRCm39) C112Y probably damaging Het
Gtf2h1 T A 7: 46,458,089 (GRCm39) C245S probably damaging Het
Hdhd5 T C 6: 120,500,515 (GRCm39) H61R probably benign Het
Ighv1-71 A T 12: 115,706,092 (GRCm39) V31E probably damaging Het
Igsf9b T C 9: 27,240,851 (GRCm39) F688S probably damaging Het
Iqcd T C 5: 120,740,443 (GRCm39) V258A probably damaging Het
Kcnc2 G C 10: 112,107,761 (GRCm39) G51R probably benign Het
Lpo G T 11: 87,708,589 (GRCm39) Y136* probably null Het
Med30 A G 15: 52,593,779 (GRCm39) probably benign Het
Mertk T A 2: 128,618,341 (GRCm39) V524D probably benign Het
Ndufb11b A G 15: 81,864,939 (GRCm39) D60G probably damaging Het
Or4c126 T A 2: 89,824,517 (GRCm39) F260Y probably benign Het
Or4c52 T C 2: 89,845,438 (GRCm39) Y55H probably damaging Het
Or5l13 T C 2: 87,780,320 (GRCm39) I86V probably benign Het
Pde6b T A 5: 108,569,367 (GRCm39) M358K possibly damaging Het
Prep GA G 10: 45,034,410 (GRCm39) probably null Het
Prpf4b G A 13: 35,080,015 (GRCm39) R793Q probably damaging Het
Rela T A 19: 5,697,366 (GRCm39) N524K probably damaging Het
Relch T A 1: 105,654,165 (GRCm39) F845I probably damaging Het
Rnaset2a T C 17: 8,360,480 (GRCm39) D74G probably damaging Het
Semp2l2a G A 8: 13,887,690 (GRCm39) Q134* probably null Het
Serinc2 T A 4: 130,152,064 (GRCm39) I267F probably damaging Het
Sesn3 T C 9: 14,232,549 (GRCm39) F274S possibly damaging Het
Sstr1 A T 12: 58,260,478 (GRCm39) D367V possibly damaging Het
Tasor T G 14: 27,151,215 (GRCm39) Y64D probably benign Het
Tnnt1 T C 7: 4,512,576 (GRCm39) E110G probably damaging Het
Tpm1 T A 9: 66,935,451 (GRCm39) probably null Het
Unc93b1 T C 19: 3,994,105 (GRCm39) V412A probably benign Het
Uox G C 3: 146,330,403 (GRCm39) probably null Het
Usp44 T C 10: 93,681,870 (GRCm39) Y107H probably benign Het
Other mutations in Spag1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00161:Spag1 APN 15 36,195,562 (GRCm39) nonsense probably null
IGL00465:Spag1 APN 15 36,183,967 (GRCm39) unclassified probably benign
IGL00694:Spag1 APN 15 36,227,317 (GRCm39) missense possibly damaging 0.94
IGL01479:Spag1 APN 15 36,233,345 (GRCm39) splice site probably benign
IGL01830:Spag1 APN 15 36,221,705 (GRCm39) missense probably benign 0.01
IGL02072:Spag1 APN 15 36,190,658 (GRCm39) missense probably damaging 1.00
IGL02232:Spag1 APN 15 36,221,710 (GRCm39) missense probably benign 0.00
IGL02727:Spag1 APN 15 36,234,964 (GRCm39) missense probably damaging 1.00
IGL02810:Spag1 APN 15 36,234,693 (GRCm39) missense probably damaging 1.00
IGL03010:Spag1 APN 15 36,233,419 (GRCm39) missense probably benign 0.15
IGL03069:Spag1 APN 15 36,224,245 (GRCm39) splice site probably benign
IGL03244:Spag1 APN 15 36,234,529 (GRCm39) missense probably benign 0.00
FR4737:Spag1 UTSW 15 36,197,879 (GRCm39) critical splice acceptor site probably benign
R0863:Spag1 UTSW 15 36,192,193 (GRCm39) missense probably damaging 1.00
R1177:Spag1 UTSW 15 36,234,913 (GRCm39) missense probably benign 0.21
R1878:Spag1 UTSW 15 36,181,916 (GRCm39) missense probably damaging 1.00
R1879:Spag1 UTSW 15 36,181,916 (GRCm39) missense probably damaging 1.00
R2086:Spag1 UTSW 15 36,227,287 (GRCm39) missense probably damaging 0.98
R2093:Spag1 UTSW 15 36,224,276 (GRCm39) missense probably damaging 1.00
R2231:Spag1 UTSW 15 36,191,313 (GRCm39) missense probably benign 0.01
R4030:Spag1 UTSW 15 36,234,447 (GRCm39) missense probably damaging 0.99
R4893:Spag1 UTSW 15 36,197,992 (GRCm39) critical splice donor site probably null
R5047:Spag1 UTSW 15 36,195,588 (GRCm39) missense probably damaging 1.00
R5505:Spag1 UTSW 15 36,234,772 (GRCm39) missense probably damaging 0.99
R5741:Spag1 UTSW 15 36,183,849 (GRCm39) missense possibly damaging 0.79
R5805:Spag1 UTSW 15 36,200,430 (GRCm39) missense probably damaging 1.00
R6221:Spag1 UTSW 15 36,197,949 (GRCm39) missense probably benign 0.30
R6236:Spag1 UTSW 15 36,211,281 (GRCm39) missense probably damaging 1.00
R6800:Spag1 UTSW 15 36,197,895 (GRCm39) nonsense probably null
R7737:Spag1 UTSW 15 36,210,856 (GRCm39) missense probably benign 0.01
R8397:Spag1 UTSW 15 36,197,895 (GRCm39) nonsense probably null
R9164:Spag1 UTSW 15 36,216,399 (GRCm39) missense probably damaging 1.00
R9486:Spag1 UTSW 15 36,181,954 (GRCm39) missense probably damaging 1.00
R9711:Spag1 UTSW 15 36,190,683 (GRCm39) critical splice donor site probably null
R9773:Spag1 UTSW 15 36,234,711 (GRCm39) missense probably benign 0.33
Z1177:Spag1 UTSW 15 36,186,822 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- AGCCTCTGATGTTTGCAGAG -3'
(R):5'- GCAGTTTACAGTGTTCCCCAC -3'

Sequencing Primer
(F):5'- GATGTTTGCAGAGCCCCTCAC -3'
(R):5'- ACAGTCCATCATGGTCATGG -3'
Posted On 2018-06-06