Incidental Mutation 'R0314:Spag4'
ID 25358
Institutional Source Beutler Lab
Gene Symbol Spag4
Ensembl Gene ENSMUSG00000038180
Gene Name sperm associated antigen 4
Synonyms Sun4, 1700041K21Rik
MMRRC Submission 038524-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0314 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 155907108-155911421 bp(+) (GRCm39)
Type of Mutation unclassified
DNA Base Change (assembly) C to T at 155909229 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000138888 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000038860] [ENSMUST00000109607] [ENSMUST00000109608] [ENSMUST00000132494] [ENSMUST00000137966] [ENSMUST00000138178] [ENSMUST00000184265]
AlphaFold Q9JJF2
Predicted Effect probably benign
Transcript: ENSMUST00000038860
SMART Domains Protein: ENSMUSP00000036484
Gene: ENSMUSG00000038180

DomainStartEndE-ValueType
low complexity region 2 13 N/A INTRINSIC
low complexity region 19 37 N/A INTRINSIC
transmembrane domain 137 159 N/A INTRINSIC
transmembrane domain 166 188 N/A INTRINSIC
low complexity region 214 222 N/A INTRINSIC
Pfam:Sad1_UNC 293 426 1.9e-44 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000109607
SMART Domains Protein: ENSMUSP00000105236
Gene: ENSMUSG00000074643

DomainStartEndE-ValueType
C2 6 112 3.64e-9 SMART
C2 137 242 8.76e-12 SMART
VWA 282 484 9.5e-15 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000109608
SMART Domains Protein: ENSMUSP00000105237
Gene: ENSMUSG00000074643

DomainStartEndE-ValueType
C2 6 112 3.64e-9 SMART
C2 137 242 8.76e-12 SMART
VWA 282 484 9.5e-15 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125996
Predicted Effect probably benign
Transcript: ENSMUST00000127956
SMART Domains Protein: ENSMUSP00000114923
Gene: ENSMUSG00000098950

DomainStartEndE-ValueType
low complexity region 10 28 N/A INTRINSIC
low complexity region 73 172 N/A INTRINSIC
RRM 217 287 1.05e-1 SMART
RRM 343 415 2.73e-7 SMART
RRM 457 529 8.73e-6 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000131144
Predicted Effect probably benign
Transcript: ENSMUST00000132494
SMART Domains Protein: ENSMUSP00000139175
Gene: ENSMUSG00000098950

DomainStartEndE-ValueType
Pfam:RRM_6 5 70 1.5e-5 PFAM
low complexity region 98 116 N/A INTRINSIC
low complexity region 161 260 N/A INTRINSIC
RRM 305 375 1.05e-1 SMART
RRM 431 503 2.73e-7 SMART
RRM 545 617 8.73e-6 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000137966
SMART Domains Protein: ENSMUSP00000118715
Gene: ENSMUSG00000038180

DomainStartEndE-ValueType
transmembrane domain 43 65 N/A INTRINSIC
transmembrane domain 72 94 N/A INTRINSIC
coiled coil region 112 147 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149139
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136765
Predicted Effect noncoding transcript
Transcript: ENSMUST00000133511
Predicted Effect probably benign
Transcript: ENSMUST00000138178
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142975
Predicted Effect probably benign
Transcript: ENSMUST00000184265
SMART Domains Protein: ENSMUSP00000138888
Gene: ENSMUSG00000074643

DomainStartEndE-ValueType
C2 6 112 3.64e-9 SMART
Coding Region Coverage
  • 1x: 98.9%
  • 3x: 97.8%
  • 10x: 94.9%
  • 20x: 88.7%
Validation Efficiency 100% (41/41)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The mammalian sperm flagellum contains two cytoskeletal structures associated with the axoneme: the outer dense fibers surrounding the axoneme in the midpiece and principal piece and the fibrous sheath surrounding the outer dense fibers in the principal piece of the tail. Defects in these structures are associated with abnormal tail morphology, reduced sperm motility, and infertility. In the rat, the protein encoded by this gene associates with an outer dense fiber protein via a leucine zipper motif and localizes to the microtubules of the manchette and axoneme during sperm tail development. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Dec 2015]
PHENOTYPE: Mice homozygous for a knock-out allele show disrupted spermiogenesis, severe defects in sperm head formation, abnormal manchette morphology, globozoospermia, and male infertility. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arih2 T C 9: 108,485,878 (GRCm39) N345D probably damaging Het
Ascc3 C T 10: 50,514,095 (GRCm39) S298L possibly damaging Het
Cacna1e A G 1: 154,317,997 (GRCm39) Y1462H probably damaging Het
Car9 T C 4: 43,509,212 (GRCm39) probably null Het
Cenpc1 A T 5: 86,185,230 (GRCm39) M427K probably benign Het
Chl1 T A 6: 103,624,262 (GRCm39) C57S probably damaging Het
Cntn3 T C 6: 102,397,342 (GRCm39) Y77C probably damaging Het
Cobll1 T C 2: 64,919,865 (GRCm39) K1187E possibly damaging Het
Fkbpl C T 17: 34,865,026 (GRCm39) H265Y possibly damaging Het
Fmo1 T G 1: 162,687,031 (GRCm39) E32A probably damaging Het
Fnip2 G A 3: 79,388,496 (GRCm39) T715I probably damaging Het
Fzd6 T A 15: 38,889,128 (GRCm39) I82K possibly damaging Het
Grm5 T C 7: 87,252,163 (GRCm39) S138P probably damaging Het
Klra5 T C 6: 129,880,553 (GRCm39) Y115C probably damaging Het
Lgr4 T C 2: 109,821,438 (GRCm39) probably benign Het
Limd1 T G 9: 123,345,892 (GRCm39) I557S probably benign Het
Mpv17l A T 16: 13,758,863 (GRCm39) I96L probably benign Het
Neb A T 2: 52,133,343 (GRCm39) D3398E probably benign Het
Nup155 T C 15: 8,176,736 (GRCm39) S1005P probably benign Het
Or2v2 A T 11: 49,004,519 (GRCm39) D11E possibly damaging Het
Or52a5b T C 7: 103,417,388 (GRCm39) D72G probably damaging Het
Pebp4 G T 14: 70,297,103 (GRCm39) S214I possibly damaging Het
Pex26 T C 6: 121,161,443 (GRCm39) probably null Het
Rbbp8 A T 18: 11,848,875 (GRCm39) Q230L probably benign Het
Rif1 GCCACCA GCCA 2: 52,000,336 (GRCm39) probably benign Het
Robo2 G A 16: 73,753,525 (GRCm39) T784M probably damaging Het
Slc5a1 T C 5: 33,303,995 (GRCm39) I270T probably benign Het
Stt3a T C 9: 36,660,841 (GRCm39) probably benign Het
Svep1 C T 4: 58,096,331 (GRCm39) E1430K possibly damaging Het
Timd5 G A 11: 46,419,364 (GRCm39) C60Y probably damaging Het
Uba6 A T 5: 86,265,946 (GRCm39) V956E probably damaging Het
Ube2j1 T A 4: 33,043,991 (GRCm39) probably benign Het
Ubr5 A G 15: 37,997,431 (GRCm39) S1741P probably damaging Het
Vmn2r1 A G 3: 63,993,980 (GRCm39) T109A probably damaging Het
Vmn2r60 T C 7: 41,784,985 (GRCm39) probably benign Het
Vstm2a A G 11: 16,318,388 (GRCm39) probably benign Het
Zdhhc20 T A 14: 58,094,076 (GRCm39) K195N probably damaging Het
Zfp683 A G 4: 133,786,052 (GRCm39) Y393C probably benign Het
Zzz3 T C 3: 152,133,085 (GRCm39) S48P probably benign Het
Other mutations in Spag4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01409:Spag4 APN 2 155,911,252 (GRCm39) missense possibly damaging 0.88
IGL01843:Spag4 APN 2 155,910,417 (GRCm39) missense probably benign 0.04
IGL02200:Spag4 APN 2 155,908,517 (GRCm39) missense probably benign 0.14
IGL02506:Spag4 APN 2 155,911,142 (GRCm39) missense probably damaging 1.00
IGL02570:Spag4 APN 2 155,910,364 (GRCm39) missense possibly damaging 0.60
IGL03302:Spag4 APN 2 155,910,340 (GRCm39) missense probably damaging 0.97
R0127:Spag4 UTSW 2 155,909,962 (GRCm39) missense probably damaging 0.99
R0441:Spag4 UTSW 2 155,909,899 (GRCm39) missense probably damaging 1.00
R1699:Spag4 UTSW 2 155,907,342 (GRCm39) missense probably damaging 1.00
R5270:Spag4 UTSW 2 155,907,853 (GRCm39) intron probably benign
R5293:Spag4 UTSW 2 155,908,111 (GRCm39) missense probably benign 0.07
R6092:Spag4 UTSW 2 155,907,696 (GRCm39) intron probably benign
R7138:Spag4 UTSW 2 155,908,519 (GRCm39) missense probably benign 0.00
R7300:Spag4 UTSW 2 155,907,541 (GRCm39) missense probably benign 0.06
R7898:Spag4 UTSW 2 155,911,244 (GRCm39) missense probably damaging 1.00
R8756:Spag4 UTSW 2 155,908,493 (GRCm39) missense possibly damaging 0.94
R9025:Spag4 UTSW 2 155,910,424 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- CCCTCCTTTGGAGAACGTGAGTTG -3'
(R):5'- GACCCAGTCTTCCAAGTGAACACAG -3'

Sequencing Primer
(F):5'- ACGTGAGTTGGGGAGACC -3'
(R):5'- AACGCTGGACACCTCCTTG -3'
Posted On 2013-04-16