Incidental Mutation 'R9773:Spag1'
ID 733549
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
Accession Numbers
Essential gene? Probably essential (E-score: 0.769) question?
Stock # R9773 (G1)
Quality Score 225.009
Status Not validated
Chromosome 15
Chromosomal Location 36178245-36235767 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 36234711 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 824 (T824A)
Ref Sequence ENSEMBL: ENSMUSP00000047335 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047348] [ENSMUST00000171205]
AlphaFold Q80ZX8
Predicted Effect probably benign
Transcript: ENSMUST00000047348
AA Change: T824A

PolyPhen 2 Score 0.327 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000047335
Gene: ENSMUSG00000037617
AA Change: T824A

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: T824A

PolyPhen 2 Score 0.327 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000132233
Gene: ENSMUSG00000037617
AA Change: T824A

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
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.8%
  • 10x: 99.5%
  • 20x: 98.9%
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930562C15Rik T C 16: 4,668,057 (GRCm39) Y483H possibly damaging Het
Abca17 A G 17: 24,508,565 (GRCm39) L990P probably damaging Het
Ankrd65 A C 4: 155,877,424 (GRCm39) T312P probably damaging Het
Atp23 G A 10: 126,734,763 (GRCm39) T103M possibly damaging Het
Bmpr2 T A 1: 59,907,497 (GRCm39) S863R probably damaging Het
Cacna1c T A 6: 118,647,371 (GRCm39) N992I Het
Cacnb2 A G 2: 14,976,452 (GRCm39) E291G probably damaging Het
Calcrl T C 2: 84,200,462 (GRCm39) Q106R probably benign Het
Clip2 C T 5: 134,533,616 (GRCm39) R487Q probably benign Het
Cngb1 G A 8: 95,975,042 (GRCm39) H1144Y probably damaging Het
Cnot4 A T 6: 35,056,920 (GRCm39) N50K probably damaging Het
Coasy T C 11: 100,975,163 (GRCm39) L240P probably damaging Het
D7Ertd443e G A 7: 133,959,803 (GRCm39) T12M probably benign Het
Exoc3l2 A G 7: 19,203,697 (GRCm39) I96M Het
Fbn2 A G 18: 58,143,481 (GRCm39) L2858P probably benign Het
Fbxw21 A G 9: 108,977,128 (GRCm39) S194P possibly damaging Het
Fry T C 5: 150,322,728 (GRCm39) L1040P probably damaging Het
Gimap8 C T 6: 48,633,568 (GRCm39) P300S unknown Het
Gm10801 T G 2: 98,494,345 (GRCm39) F141V probably benign Het
Gm21903 G A 17: 39,353,541 (GRCm39) T25I unknown Het
Gucy2d T C 7: 98,099,048 (GRCm39) V288A possibly damaging Het
Hs6st3 A T 14: 120,106,948 (GRCm39) D452V probably benign Het
Igkv5-43 T A 6: 69,752,858 (GRCm39) I75F probably damaging Het
Itgad G A 7: 127,789,222 (GRCm39) R562H probably damaging Het
Kbtbd12 T A 6: 88,524,744 (GRCm39) D613V probably damaging Het
Kcnn2 A G 18: 45,788,365 (GRCm39) T363A probably damaging Het
Kyat3 A G 3: 142,431,820 (GRCm39) I213M probably damaging Het
Lrig2 A T 3: 104,368,838 (GRCm39) H948Q probably benign Het
Marchf7 C T 2: 60,064,785 (GRCm39) R354* probably null Het
Mcm5 C T 8: 75,844,168 (GRCm39) S313F probably benign Het
Myh4 C T 11: 67,137,263 (GRCm39) H495Y probably damaging Het
Or13a23-ps1 T C 7: 140,118,649 (GRCm39) V73A probably benign Het
Or4d10b A T 19: 12,036,939 (GRCm39) M59K possibly damaging Het
Or6c69c T A 10: 129,910,360 (GRCm39) I27N possibly damaging Het
Plcb2 T C 2: 118,541,274 (GRCm39) E1021G probably damaging Het
Plekhg2 G A 7: 28,069,743 (GRCm39) P97S probably damaging Het
Pon1 T C 6: 5,177,339 (GRCm39) Y190C possibly damaging Het
Pth1r C A 9: 110,556,233 (GRCm39) R213S possibly damaging Het
Ptprg A G 14: 12,199,806 (GRCm38) D848G probably damaging Het
Rnpepl1 C A 1: 92,847,559 (GRCm39) D715E probably damaging Het
Serpinb3b C A 1: 107,085,416 (GRCm39) K108N possibly damaging Het
Slc1a1 C T 19: 28,870,283 (GRCm39) A94V probably damaging Het
Slc22a30 A T 19: 8,321,754 (GRCm39) Y437N probably benign Het
Slc2a7 C T 4: 150,234,044 (GRCm39) T53I possibly damaging Het
Spmip7 G A 11: 11,438,572 (GRCm39) V272M unknown Het
Synj2 T A 17: 6,094,232 (GRCm39) Y1153N probably benign Het
Ttll2 A T 17: 7,618,676 (GRCm39) I417K probably benign Het
Ttn C T 2: 76,715,357 (GRCm39) E7912K unknown Het
Uevld A G 7: 46,597,659 (GRCm39) probably null Het
Vmn2r38 A G 7: 9,097,806 (GRCm39) S96P probably damaging Het
Vmn2r92 A G 17: 18,386,949 (GRCm39) N96S probably damaging Het
Vmn2r97 T A 17: 19,168,221 (GRCm39) I825N probably benign Het
Vps13d T A 4: 144,818,619 (GRCm39) M3083L Het
Wdr35 A G 12: 9,039,990 (GRCm39) N365S 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
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
Z1177:Spag1 UTSW 15 36,186,822 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TGTGCCTGGTATCAGTGACC -3'
(R):5'- GCTGTGAGCATAAGCAACGC -3'

Sequencing Primer
(F):5'- ACCTGCCAGAGATGGTGTG -3'
(R):5'- GCTTTGGAAGTTACAGACCCCAG -3'
Posted On 2022-11-14