Incidental Mutation 'R1177:Spag1'
ID 100087
Institutional Source Beutler Lab
Gene Symbol Spag1
Ensembl Gene ENSMUSG00000037617
Gene Name sperm associated antigen 1
Synonyms TPR-containing protein involved in spermatogenesis, tpis
MMRRC Submission 039249-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.769) question?
Stock # R1177 (G1)
Quality Score 225
Status Not validated
Chromosome 15
Chromosomal Location 36178245-36235767 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 36234913 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 859 (T859S)
Ref Sequence ENSEMBL: ENSMUSP00000132233 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047348] [ENSMUST00000171205]
AlphaFold Q80ZX8
Predicted Effect probably benign
Transcript: ENSMUST00000047348
AA Change: T859S

PolyPhen 2 Score 0.213 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000047335
Gene: ENSMUSG00000037617
AA Change: T859S

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 benign
Transcript: ENSMUST00000171205
AA Change: T859S

PolyPhen 2 Score 0.213 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000132233
Gene: ENSMUSG00000037617
AA Change: T859S

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: ENSMUST00000227524
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227582
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227715
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227849
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.3%
  • 10x: 94.9%
  • 20x: 87.7%
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: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Bbs7 A T 3: 36,664,329 (GRCm39) probably null Het
Bivm G A 1: 44,182,123 (GRCm39) V444I probably benign Het
Cers4 A G 8: 4,566,931 (GRCm39) I78V probably null Het
Chgb A G 2: 132,635,390 (GRCm39) Y444C possibly damaging Het
Col7a1 T C 9: 108,791,509 (GRCm39) V1161A unknown Het
Dpp6 A G 5: 27,868,471 (GRCm39) D478G possibly damaging Het
Eif4enif1 T C 11: 3,179,902 (GRCm39) V274A probably damaging Het
Fkrp T C 7: 16,544,452 (GRCm39) E470G probably damaging Het
Lrrc8c T C 5: 105,754,702 (GRCm39) I159T probably benign Het
Ltbp1 A G 17: 75,532,280 (GRCm39) Q118R possibly damaging Het
Map3k21 A T 8: 126,671,577 (GRCm39) Q955L probably benign Het
Mast3 A G 8: 71,232,968 (GRCm39) S1115P probably damaging Het
Mga T C 2: 119,756,927 (GRCm39) F1048S probably damaging Het
Mthfd1l A C 10: 3,935,661 (GRCm39) K212T possibly damaging Het
Myo5b G A 18: 74,777,143 (GRCm39) R401H probably damaging Het
Naip1 C T 13: 100,563,572 (GRCm39) S531N possibly damaging Het
Nlrp1a A G 11: 70,998,547 (GRCm39) V884A probably damaging Het
Nop58 T A 1: 59,740,091 (GRCm39) M161K probably damaging Het
Nrbp1 T A 5: 31,403,157 (GRCm39) I210N probably damaging Het
Nup210l A G 3: 90,109,310 (GRCm39) T1618A probably benign Het
Or10d4 A G 9: 39,580,937 (GRCm39) R195G probably benign Het
Or2b4 A T 17: 38,116,843 (GRCm39) E269V probably benign Het
Or4c105 A G 2: 88,647,704 (GRCm39) Y63C probably benign Het
Ppp4r4 G A 12: 103,542,582 (GRCm39) A115T possibly damaging Het
Rag1 T C 2: 101,472,623 (GRCm39) R840G probably benign Het
Slc44a2 A T 9: 21,259,879 (GRCm39) Q629L probably benign Het
Slc5a6 A G 5: 31,196,646 (GRCm39) probably null Het
Sv2c G T 13: 96,126,271 (GRCm39) A327E possibly damaging Het
Tenm2 C T 11: 35,954,004 (GRCm39) G1236R possibly damaging Het
Tlr2 A G 3: 83,746,041 (GRCm39) I14T probably benign Het
Trpc6 G A 9: 8,658,305 (GRCm39) R725K probably benign Het
Wdr90 A G 17: 26,065,028 (GRCm39) V1688A possibly damaging Het
Zfhx4 ACCTCCTCCTCCTCCTCCTCC ACCTCCTCCTCCTCCTCC 3: 5,465,891 (GRCm39) probably benign Het
Zfp94 T C 7: 24,002,953 (GRCm39) Y163C probably damaging 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
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
R6556:Spag1 UTSW 15 36,195,553 (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
Posted On 2014-01-15