Incidental Mutation 'R5741:Spag1'
ID 444814
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: 0.769) question?
Stock # R5741 (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 G at 36183849 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 65 (K65E)
Ref Sequence ENSEMBL: ENSMUSP00000132233 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047348] [ENSMUST00000171205] [ENSMUST00000227623]
AlphaFold Q80ZX8
Predicted Effect possibly damaging
Transcript: ENSMUST00000047348
AA Change: K65E

PolyPhen 2 Score 0.791 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000047335
Gene: ENSMUSG00000037617
AA Change: K65E

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 possibly damaging
Transcript: ENSMUST00000171205
AA Change: K65E

PolyPhen 2 Score 0.791 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000132233
Gene: ENSMUSG00000037617
AA Change: K65E

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 probably benign
Transcript: ENSMUST00000227623
AA Change: K65E

PolyPhen 2 Score 0.020 (Sensitivity: 0.95; Specificity: 0.80)
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.7%
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1810010H24Rik T G 11: 106,919,315 (GRCm39) F220C probably damaging Het
Acox3 C T 5: 35,765,668 (GRCm39) H140Y probably benign Het
Ano3 A T 2: 110,488,618 (GRCm39) I938K probably benign Het
Ap3m1 A C 14: 21,095,788 (GRCm39) I14S possibly damaging Het
Arg1 T C 10: 24,793,897 (GRCm39) T127A probably benign Het
Asah2 A G 19: 31,986,015 (GRCm39) Y552H probably damaging Het
Cfap97d2 A T 8: 13,784,835 (GRCm39) Q32L possibly damaging Het
Chst12 A G 5: 140,509,688 (GRCm39) N105S probably benign Het
Cped1 G A 6: 22,123,620 (GRCm39) V458I probably benign Het
Cyld T G 8: 89,471,474 (GRCm39) I786S probably damaging Het
Cyp2j8 C T 4: 96,332,880 (GRCm39) V489I probably benign Het
Dlgap4 T C 2: 156,552,968 (GRCm39) Y462H probably damaging Het
Dnah5 C A 15: 28,246,513 (GRCm39) A617D probably benign Het
Erc2 T A 14: 28,024,826 (GRCm39) probably null Het
Fancm A G 12: 65,148,389 (GRCm39) N668S probably benign Het
Gm5592 A G 7: 40,938,625 (GRCm39) I636V probably benign Het
Gtf2h2 A T 13: 100,617,066 (GRCm39) C247S probably benign Het
Hyal5 T A 6: 24,876,494 (GRCm39) H122Q probably damaging Het
Ints10 G A 8: 69,257,574 (GRCm39) R258K probably damaging Het
Kir3dl1 G A X: 135,427,231 (GRCm39) D56N probably damaging Het
Lrguk T A 6: 34,025,802 (GRCm39) D199E probably damaging Het
Lyst A G 13: 13,808,615 (GRCm39) D95G probably benign Het
Map2k1 A T 9: 64,121,883 (GRCm39) L30Q possibly damaging Het
Nell1 G A 7: 50,210,638 (GRCm39) probably null Het
Nfatc3 T A 8: 106,805,698 (GRCm39) I181N probably damaging Het
Nipbl T C 15: 8,354,133 (GRCm39) K1668R possibly damaging Het
Or5b113 A G 19: 13,342,847 (GRCm39) N285S probably damaging Het
Or7e170 A G 9: 19,794,857 (GRCm39) V248A possibly damaging Het
Or8d2 T A 9: 38,759,899 (GRCm39) L163* probably null Het
Otud7b C T 3: 96,051,615 (GRCm39) T189I probably damaging Het
Pkia A T 3: 7,507,105 (GRCm39) E62D probably benign Het
Plcb3 G A 19: 6,931,790 (GRCm39) Q1154* probably null Het
Pole4 T C 6: 82,628,447 (GRCm39) E105G probably damaging Het
Ppp1r3a A G 6: 14,719,882 (GRCm39) V344A probably damaging Het
Ptpn21 A T 12: 98,645,548 (GRCm39) L1130Q probably damaging Het
Rapgef5 A G 12: 117,719,764 (GRCm39) D564G probably damaging Het
Samhd1 C T 2: 156,954,751 (GRCm39) R387H probably benign Het
Spata31d1d A T 13: 59,876,500 (GRCm39) V345D possibly damaging Het
Spin1 G A 13: 51,303,171 (GRCm39) V255I possibly damaging Het
Tmem171 A G 13: 98,828,559 (GRCm39) V197A probably benign Het
Tmigd1 T C 11: 76,797,916 (GRCm39) V86A possibly damaging Het
Ttn T C 2: 76,542,417 (GRCm39) D31777G probably damaging Het
Tymp T A 15: 89,260,639 (GRCm39) M60L probably benign Het
Ugdh T C 5: 65,584,866 (GRCm39) T19A probably damaging Het
Vmn1r234 G T 17: 21,449,731 (GRCm39) C215F probably benign Het
Wnt5b T C 6: 119,410,690 (GRCm39) D250G probably damaging Het
Xrn1 T A 9: 95,927,604 (GRCm39) C1463S probably benign Het
Zfp831 T A 2: 174,486,945 (GRCm39) I540N possibly damaging Het
Zmynd8 T C 2: 165,681,937 (GRCm39) D189G 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
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
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 PCR Primer
(F):5'- TTGCTGATGGGAATGGCCAG -3'
(R):5'- TCCTTTGGAAGTAATCACCCC -3'

Sequencing Primer
(F):5'- CTGATGGGAATGGCCAGTGATG -3'
(R):5'- TTTGGAAGTAATCACCCCGAAAAG -3'
Posted On 2016-11-21