Incidental Mutation 'R0863:Spag1'
ID 82221
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 039037-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.769) question?
Stock # R0863 (G1)
Quality Score 225
Status Validated
Chromosome 15
Chromosomal Location 36178245-36235767 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 36192193 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Asparagine at position 217 (K217N)
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: K217N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000047335
Gene: ENSMUSG00000037617
AA Change: K217N

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: K217N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132233
Gene: ENSMUSG00000037617
AA Change: K217N

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
Meta Mutation Damage Score 0.4963 question?
Coding Region Coverage
  • 1x: 99.5%
  • 3x: 98.9%
  • 10x: 97.4%
  • 20x: 94.8%
Validation Efficiency 94% (59/63)
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2310016G11Rik A G 7: 44,327,232 (GRCm39) noncoding transcript Het
4930433I11Rik A T 7: 40,642,480 (GRCm39) T141S probably benign Het
Abca14 A T 7: 119,815,453 (GRCm39) T234S probably benign Het
Acap1 C A 11: 69,777,882 (GRCm39) V119L probably damaging Het
Actr2 C T 11: 20,030,760 (GRCm39) V163I probably benign Het
Adcy4 T C 14: 56,021,056 (GRCm39) Y27C probably damaging Het
Arnt2 T A 7: 83,914,792 (GRCm39) K524M probably damaging Het
Brca1 T C 11: 101,415,596 (GRCm39) Y846C probably benign Het
Capn7 T A 14: 31,091,714 (GRCm39) C704S possibly damaging Het
Cep350 T A 1: 155,737,981 (GRCm39) I2621L probably benign Het
Col11a1 G A 3: 113,932,414 (GRCm39) R113H unknown Het
Ctnnbl1 C T 2: 157,641,337 (GRCm39) probably benign Het
Cul9 T C 17: 46,848,748 (GRCm39) probably null Het
Erc2 A C 14: 27,747,105 (GRCm39) N345T probably benign Het
Fank1 A G 7: 133,482,352 (GRCm39) R73G possibly damaging Het
Fes A T 7: 80,030,634 (GRCm39) W552R probably damaging Het
Fsd2 A G 7: 81,191,913 (GRCm39) V488A possibly damaging Het
Gfm1 T C 3: 67,381,928 (GRCm39) S705P probably damaging Het
Gm9493 A T 19: 23,597,173 (GRCm39) Q23L probably benign Het
Gucy1b2 T C 14: 62,656,511 (GRCm39) D282G probably benign Het
H2-Ab1 T C 17: 34,486,328 (GRCm39) I129T probably damaging Het
H2-M10.3 T A 17: 36,677,582 (GRCm39) Y232F probably damaging Het
Iqca1 C A 1: 90,070,453 (GRCm39) G133V probably null Het
Lonp1 T C 17: 56,925,331 (GRCm39) K487R probably damaging Het
Ltbp1 A G 17: 75,559,381 (GRCm39) Y290C probably damaging Het
Ms4a10 C T 19: 10,945,957 (GRCm39) G58D probably damaging Het
Muc5b A G 7: 141,421,454 (GRCm39) S4315G probably benign Het
Nlrp1b T A 11: 71,072,173 (GRCm39) T557S probably benign Het
Nlrp3 A G 11: 59,456,676 (GRCm39) D946G probably benign Het
Obscn T C 11: 58,886,241 (GRCm39) probably benign Het
Oga C T 19: 45,771,425 (GRCm39) A49T probably benign Het
Or10ab5 A G 7: 108,244,865 (GRCm39) I306T probably benign Het
Or5p50 T C 7: 107,422,581 (GRCm39) S32G probably benign Het
Or7e173 A T 9: 19,938,509 (GRCm39) S242T probably damaging Het
Pask A T 1: 93,242,061 (GRCm39) F1219I probably damaging Het
Pcdhb2 G A 18: 37,428,710 (GRCm39) V228I possibly damaging Het
Phf1 T C 17: 27,156,114 (GRCm39) probably benign Het
Plec G A 15: 76,058,280 (GRCm39) Q3751* probably null Het
Plscr1l1 A T 9: 92,233,140 (GRCm39) I88L possibly damaging Het
Ppp1r12c G T 7: 4,489,365 (GRCm39) Q240K probably damaging Het
Ralgapa1 A T 12: 55,809,466 (GRCm39) Y436* probably null Het
Ralgapa1 C A 12: 55,829,562 (GRCm39) probably benign Het
Scel T A 14: 103,823,916 (GRCm39) S381R possibly damaging Het
Sema4a C T 3: 88,355,456 (GRCm39) probably benign Het
Sltm A G 9: 70,469,190 (GRCm39) T150A probably benign Het
Ssh1 C T 5: 114,104,792 (GRCm39) R9H probably damaging Het
St3gal4 C A 9: 34,964,744 (GRCm39) V155F probably damaging Het
Stxbp5 C T 10: 9,684,784 (GRCm39) E539K possibly damaging Het
Tbc1d7 G T 13: 43,308,161 (GRCm39) probably benign Het
Thnsl2 A T 6: 71,111,208 (GRCm39) L220* probably null Het
Tinf2 G A 14: 55,917,566 (GRCm39) P308S probably benign Het
Tnf T C 17: 35,420,120 (GRCm39) probably benign Het
Ttc21b T C 2: 66,073,117 (GRCm39) I190V probably benign Het
Ttn T C 2: 76,537,391 (GRCm39) T34846A probably benign Het
Ube4a A G 9: 44,861,114 (GRCm39) V232A possibly damaging Het
Uri1 A T 7: 37,669,100 (GRCm39) D122E probably damaging Het
Vmn2r94 T G 17: 18,477,973 (GRCm39) Q146P probably damaging Het
Zan T A 5: 137,456,901 (GRCm39) E1278D unknown Het
Zfhx4 T A 3: 5,310,375 (GRCm39) S919R possibly 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
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
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'- GGCTTTCTGCTTCGCTAAAGCAAC -3'
(R):5'- CACGGGTGAACTCATGACATCACAG -3'

Sequencing Primer
(F):5'- gggtgtggcagtgtagc -3'
(R):5'- ccatgcagatgcaaggaac -3'
Posted On 2013-11-08