Incidental Mutation 'R5805:Spag1'
ID 448466
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 043212-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.769) question?
Stock # R5805 (G1)
Quality Score 225
Status Not validated
Chromosome 15
Chromosomal Location 36178245-36235767 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 36200430 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 345 (I345T)
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: I345T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000047335
Gene: ENSMUSG00000037617
AA Change: I345T

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: ENSMUST00000157576
Predicted Effect probably damaging
Transcript: ENSMUST00000171205
AA Change: I345T

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132233
Gene: ENSMUSG00000037617
AA Change: I345T

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
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.6%
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
Abca5 C T 11: 110,170,216 (GRCm39) C1293Y probably benign Het
Adam8 T A 7: 139,565,794 (GRCm39) D611V probably damaging Het
Arhgap33 T C 7: 30,225,839 (GRCm39) T576A probably benign Het
Atf7 A T 15: 102,466,022 (GRCm39) probably null Het
Baiap3 T A 17: 25,466,489 (GRCm39) T464S probably benign Het
Ccdc40 T C 11: 119,136,906 (GRCm39) probably null Het
Celf2 T C 2: 6,558,598 (GRCm39) E430G probably damaging Het
Chia1 A G 3: 106,035,792 (GRCm39) T211A probably damaging Het
Ciz1 T C 2: 32,257,408 (GRCm39) F151S probably damaging Het
Dnm2 A G 9: 21,378,965 (GRCm39) T175A probably damaging Het
Doc2b A G 11: 75,663,364 (GRCm39) S363P probably damaging Het
Garem1 C T 18: 21,281,492 (GRCm39) R288H probably benign Het
Gpr132 G A 12: 112,816,416 (GRCm39) R137C probably damaging Het
Helz2 C A 2: 180,882,301 (GRCm39) C164F probably damaging Het
Itfg1 A T 8: 86,493,601 (GRCm39) S293T probably benign Het
Kcnn2 T A 18: 45,816,198 (GRCm39) D336E probably damaging Het
Kifc2 C T 15: 76,546,353 (GRCm39) A245V probably benign Het
Krt18 T A 15: 101,939,735 (GRCm39) I311N probably benign Het
Lypla1 T C 1: 4,900,517 (GRCm39) M7T possibly damaging Het
Mef2a T C 7: 66,901,416 (GRCm39) M285V possibly damaging Het
Micu1 A C 10: 59,663,128 (GRCm39) K353Q possibly damaging Het
Mpv17l A G 16: 13,760,013 (GRCm39) probably benign Het
Ntrk1 G A 3: 87,687,479 (GRCm39) R652W probably damaging Het
Or13a28 T A 7: 140,218,384 (GRCm39) F257I probably benign Het
Or13c7 T C 4: 43,855,152 (GRCm39) I281T probably benign Het
Or4c107 G A 2: 88,788,985 (GRCm39) M58I possibly damaging Het
Pcdh15 C A 10: 74,066,091 (GRCm39) T252K probably damaging Het
Pcsk5 T C 19: 17,434,193 (GRCm39) M1392V probably benign Het
Phf20 T A 2: 156,149,214 (GRCm39) V964E probably damaging Het
Pira13 G A 7: 3,825,622 (GRCm39) L416F probably benign Het
Plcg2 T C 8: 118,325,234 (GRCm39) probably null Het
Rnf10 A T 5: 115,382,127 (GRCm39) C693S probably benign Het
Rnf19b A G 4: 128,952,617 (GRCm39) Y185C probably damaging Het
Ros1 G T 10: 51,999,385 (GRCm39) D1167E probably damaging Het
Sidt2 G A 9: 45,853,497 (GRCm39) S701L probably damaging Het
Slc66a2 C T 18: 80,306,658 (GRCm39) P76L probably damaging Het
Srcap T A 7: 127,141,211 (GRCm39) S1603T possibly damaging Het
Stag1 T A 9: 100,678,831 (GRCm39) Y251N probably damaging Het
Stxbp5 T C 10: 9,776,330 (GRCm39) N33S probably benign Het
Tnrc6a T C 7: 122,769,299 (GRCm39) L363P probably damaging Het
U2surp C T 9: 95,361,357 (GRCm39) R591H possibly damaging Het
Usf3 A G 16: 44,041,109 (GRCm39) N1863S possibly damaging Het
Vmn2r15 T C 5: 109,434,806 (GRCm39) I633V possibly damaging Het
Zfp979 T C 4: 147,698,067 (GRCm39) D214G 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
R5741:Spag1 UTSW 15 36,183,849 (GRCm39) missense possibly damaging 0.79
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'- AAGGAGACTAGTACGAGTTTTCAAG -3'
(R):5'- AGCAGTGCTAAATTTGACTGTAGAC -3'

Sequencing Primer
(F):5'- CAGAAGACCTTATCAGAGGT -3'
(R):5'- ACTGTAGACTTTAAGGTAAAGCTACC -3'
Posted On 2016-12-15