Incidental Mutation 'R6236:Spag1'
ID 504965
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 044400-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.769) question?
Stock # R6236 (G1)
Quality Score 190.009
Status Validated
Chromosome 15
Chromosomal Location 36178245-36235767 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 36211281 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 476 (S476P)
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: S476P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000047335
Gene: ENSMUSG00000037617
AA Change: S476P

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: S476P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000132233
Gene: ENSMUSG00000037617
AA Change: S476P

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: ENSMUST00000227302
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227524
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227582
Meta Mutation Damage Score 0.4935 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.1%
  • 20x: 94.6%
Validation Efficiency 100% (57/57)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acap3 A G 4: 155,989,664 (GRCm39) T703A possibly damaging Het
Acd C T 8: 106,427,127 (GRCm39) A49T probably benign Het
Acer1 T A 17: 57,262,231 (GRCm39) I224F probably benign Het
Acvr1 T C 2: 58,367,678 (GRCm39) D161G probably benign Het
Catsper4 T C 4: 133,948,887 (GRCm39) I111V probably benign Het
Cfap210 A C 2: 69,588,385 (GRCm39) probably null Het
Chst14 T A 2: 118,757,997 (GRCm39) C264S probably damaging Het
Clnk T C 5: 38,870,542 (GRCm39) T339A probably benign Het
Cnot4 T C 6: 35,045,608 (GRCm39) K201R probably benign Het
Col19a1 A G 1: 24,319,030 (GRCm39) V1020A probably damaging Het
Cts6 C A 13: 61,344,192 (GRCm39) E287* probably null Het
Dbf4 T C 5: 8,448,579 (GRCm39) probably benign Het
Diaph3 G A 14: 87,275,004 (GRCm39) R140* probably null Het
Faah T C 4: 115,856,786 (GRCm39) I459V probably benign Het
Fbxw2 A T 2: 34,712,845 (GRCm39) L72H probably damaging Het
Fstl4 G A 11: 53,077,162 (GRCm39) G640S probably benign Het
Gabrb1 C T 5: 72,265,663 (GRCm39) T186M probably damaging Het
Gata2 T C 6: 88,179,548 (GRCm39) probably null Het
Ifi203 A G 1: 173,761,479 (GRCm39) V190A probably benign Het
Kdm3a T C 6: 71,588,641 (GRCm39) E456G probably benign Het
Kl A T 5: 150,876,755 (GRCm39) T192S probably damaging Het
Klhl3 G A 13: 58,232,876 (GRCm39) A77V probably damaging Het
Klri2 A G 6: 129,715,858 (GRCm39) F114L probably benign Het
Lonp2 A T 8: 87,363,215 (GRCm39) R278* probably null Het
Lrp5 A T 19: 3,680,483 (GRCm39) probably null Het
Med13 T A 11: 86,219,357 (GRCm39) H363L probably damaging Het
Metap1d T G 2: 71,346,022 (GRCm39) F194L probably benign Het
Misp A G 10: 79,662,956 (GRCm39) K458E probably benign Het
Muc6 G T 7: 141,218,685 (GRCm39) T1996N possibly damaging Het
Myh2 A G 11: 67,081,157 (GRCm39) T1258A probably benign Het
Nipbl T A 15: 8,354,064 (GRCm39) D1691V possibly damaging Het
Nr1i2 C T 16: 38,086,300 (GRCm39) C55Y probably damaging Het
Or11h7 T C 14: 50,891,257 (GRCm39) S188P probably damaging Het
Or7g21 A T 9: 19,032,409 (GRCm39) I50F possibly damaging Het
Pcdhgb4 T C 18: 37,854,345 (GRCm39) Y247H probably damaging Het
Prmt6 T C 3: 110,157,214 (GRCm39) I358M probably benign Het
Ric1 T A 19: 29,572,826 (GRCm39) D755E possibly damaging Het
Sez6l G T 5: 112,623,110 (GRCm39) T147K possibly damaging Het
Ski A G 4: 155,244,001 (GRCm39) F451S probably benign Het
Slc45a2 C T 15: 11,022,158 (GRCm39) T300I probably benign Het
Smarca2 T C 19: 26,673,613 (GRCm39) V1050A probably benign Het
Sptbn2 T A 19: 4,798,166 (GRCm39) S1964T probably benign Het
Sucla2 T A 14: 73,831,190 (GRCm39) D434E probably benign Het
Tbl3 G A 17: 24,919,717 (GRCm39) T779I probably benign Het
Tlr2 T A 3: 83,745,438 (GRCm39) E215V probably benign Het
Tomm40 G A 7: 19,437,281 (GRCm39) P227S probably benign Het
Tpp2 T A 1: 44,016,477 (GRCm39) S711T probably benign Het
Traj32 T A 14: 54,423,565 (GRCm39) Y2* probably null Het
Trim34b A G 7: 103,985,525 (GRCm39) R387G probably damaging Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Usp5 T C 6: 124,795,441 (GRCm39) T651A probably benign Het
Vmn1r188 T C 13: 22,272,414 (GRCm39) S123P probably damaging Het
Zdhhc14 T C 17: 5,543,918 (GRCm39) L66P probably damaging Het
Zfp712 C T 13: 67,188,685 (GRCm39) C614Y probably damaging Het
Zfp827 A G 8: 79,797,105 (GRCm39) K397R 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
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
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'- TACTGGGAATGCGGGCTAAC -3'
(R):5'- TCTTGTCACAACAACTTATGAGCAG -3'

Sequencing Primer
(F):5'- AATGCGGGCTAACCAGGC -3'
(R):5'- CACAACAACTTATGAGCAGTTTTAGG -3'
Posted On 2018-02-28