Incidental Mutation 'R1896:Psap'
ID 211995
Institutional Source Beutler Lab
Gene Symbol Psap
Ensembl Gene ENSMUSG00000004207
Gene Name prosaposin
Synonyms SGP-1
MMRRC Submission 039916-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1896 (G1)
Quality Score 225
Status Not validated
Chromosome 10
Chromosomal Location 60113449-60138376 bp(+) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) C to T at 60130826 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Stop codon at position 219 (Q219*)
Ref Sequence ENSEMBL: ENSMUSP00000137476 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000004316] [ENSMUST00000105465] [ENSMUST00000165878] [ENSMUST00000177779] [ENSMUST00000179238]
AlphaFold Q61207
Predicted Effect probably null
Transcript: ENSMUST00000004316
AA Change: Q219*
SMART Domains Protein: ENSMUSP00000004316
Gene: ENSMUSG00000004207
AA Change: Q219*

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
SAPA 21 54 1.4e-18 SMART
SapB 61 138 1.87e-27 SMART
SapB 195 272 1.2e-16 SMART
SapB 314 389 2.07e-20 SMART
low complexity region 412 430 N/A INTRINSIC
SapB 439 514 3.84e-24 SMART
SAPA 523 556 3.19e-22 SMART
Predicted Effect probably null
Transcript: ENSMUST00000105465
AA Change: Q219*
SMART Domains Protein: ENSMUSP00000101105
Gene: ENSMUSG00000004207
AA Change: Q219*

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
SAPA 21 54 1.4e-18 SMART
SapB 61 138 1.87e-27 SMART
SapB 195 270 2.76e-16 SMART
SapB 312 387 2.07e-20 SMART
low complexity region 410 428 N/A INTRINSIC
SapB 437 512 3.84e-24 SMART
SAPA 521 554 3.19e-22 SMART
Predicted Effect probably null
Transcript: ENSMUST00000165878
AA Change: Q216*
SMART Domains Protein: ENSMUSP00000126407
Gene: ENSMUSG00000004207
AA Change: Q216*

DomainStartEndE-ValueType
SAPA 18 51 1.4e-18 SMART
SapB 58 135 1.87e-27 SMART
SapB 192 267 2.76e-16 SMART
SapB 309 384 2.07e-20 SMART
low complexity region 407 425 N/A INTRINSIC
SapB 434 509 3.84e-24 SMART
SAPA 518 551 3.19e-22 SMART
Predicted Effect probably null
Transcript: ENSMUST00000177779
AA Change: Q219*
SMART Domains Protein: ENSMUSP00000137286
Gene: ENSMUSG00000004207
AA Change: Q219*

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
SAPA 21 54 1.4e-18 SMART
SapB 61 138 1.87e-27 SMART
SapB 195 273 2.37e-15 SMART
SapB 315 390 2.07e-20 SMART
low complexity region 413 431 N/A INTRINSIC
SapB 440 515 3.84e-24 SMART
SAPA 524 557 3.19e-22 SMART
Predicted Effect probably null
Transcript: ENSMUST00000179238
AA Change: Q219*
SMART Domains Protein: ENSMUSP00000137476
Gene: ENSMUSG00000004207
AA Change: Q219*

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
SAPA 21 54 1.4e-18 SMART
SapB 61 138 1.87e-27 SMART
SapB 195 273 8.5e-17 SMART
SapB 315 390 2.07e-20 SMART
low complexity region 413 431 N/A INTRINSIC
SapB 440 515 3.84e-24 SMART
SAPA 524 557 3.19e-22 SMART
Coding Region Coverage
  • 1x: 97.3%
  • 3x: 96.7%
  • 10x: 94.9%
  • 20x: 91.4%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a multifunctional glycoprotein that plays a role in the intracellular metabolism of various sphingolipids or secreted into the plasma, milk or cerebrospinal fluid. The encoded protein undergoes proteolytic processing to generate four different polypeptides known as saposin A, B, C or D, that are required for the hydrolysis of certain sphingolipids by lysosomal hydrolases. Alternately, the encoded protein is secreted into body fluids where it exhibits neurotrophic and myelinotrophic activities. A complete lack of the encoded protein is fatal to mice either at the neonatal stage or within the first month due to severe leukodystrophy and sphingolipid accumulation. Alternative splicing results in multiple transcript variants encoding different isoforms that may undergo similar processing to generate the mature saposins. [provided by RefSeq, Sep 2015]
PHENOTYPE: Homozygotes for a targeted null mutation die either neonatally or around 7 weeks. At 30 days, mutants show hypomyelination, PAS-positive material in the nervous system, and accumulation of ceramides in brain, liver, and kidney. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abo C A 2: 26,733,609 (GRCm39) D199Y probably damaging Het
Acvr1c A C 2: 58,170,306 (GRCm39) V277G probably damaging Het
Adam23 G A 1: 63,584,731 (GRCm39) A380T probably benign Het
Art2b A G 7: 101,229,236 (GRCm39) V221A probably benign Het
Bcam A G 7: 19,500,640 (GRCm39) S153P probably damaging Het
Bltp1 C T 3: 36,962,380 (GRCm39) Q494* probably null Het
C1qtnf1 G T 11: 118,334,583 (GRCm39) G21V probably damaging Het
Car13 T C 3: 14,710,235 (GRCm39) I59T probably benign Het
Cep97 T C 16: 55,748,107 (GRCm39) N108D probably damaging Het
Cog3 T A 14: 75,979,784 (GRCm39) E182D probably benign Het
Efcab3 A G 11: 104,611,514 (GRCm39) K452R probably benign Het
Endou A G 15: 97,610,873 (GRCm39) Y404H probably damaging Het
F12 T C 13: 55,568,540 (GRCm39) Y373C probably damaging Het
Fam221b T C 4: 43,660,375 (GRCm39) T405A probably damaging Het
Fetub A G 16: 22,751,045 (GRCm39) R131G probably damaging Het
Foxp2 A T 6: 15,379,767 (GRCm39) probably benign Het
Ggt5 T C 10: 75,440,560 (GRCm39) V227A probably damaging Het
Gipr A G 7: 18,897,996 (GRCm39) S79P probably benign Het
Gphn A G 12: 78,459,128 (GRCm39) D72G possibly damaging Het
Gzmk A G 13: 113,309,427 (GRCm39) S208P probably damaging Het
Itpkc T C 7: 26,907,805 (GRCm39) D633G probably damaging Het
Jarid2 T C 13: 45,038,358 (GRCm39) probably null Het
Kif21b C A 1: 136,075,583 (GRCm39) R237S possibly damaging Het
Lama1 G A 17: 68,098,218 (GRCm39) R1805H probably benign Het
Lpin3 C T 2: 160,747,218 (GRCm39) P815S probably damaging Het
Lrp1 T A 10: 127,395,867 (GRCm39) I2468F possibly damaging Het
Nav1 T C 1: 135,388,475 (GRCm39) N1118S probably benign Het
Ncoa3 T A 2: 165,890,384 (GRCm39) I90N probably benign Het
Notch3 T C 17: 32,362,402 (GRCm39) T1408A probably benign Het
Nwd2 A G 5: 63,962,753 (GRCm39) D779G probably benign Het
Obox6 A T 7: 15,568,770 (GRCm39) H35Q possibly damaging Het
Pkd1l3 C A 8: 110,350,831 (GRCm39) P559T possibly damaging Het
Pou2af2 A G 9: 51,203,098 (GRCm39) S19P probably damaging Het
Pramel23 C G 4: 143,424,714 (GRCm39) G243A probably benign Het
Prex1 T A 2: 166,428,574 (GRCm39) I716F probably benign Het
Rab5if C T 2: 156,707,252 (GRCm39) P64S probably damaging Het
Shisa5 T A 9: 108,885,108 (GRCm39) I126N probably damaging Het
Slc11a1 T C 1: 74,414,931 (GRCm39) L21P probably benign Het
Slc4a4 A G 5: 89,194,167 (GRCm39) T172A probably damaging Het
Sned1 C T 1: 93,192,769 (GRCm39) P352L probably benign Het
Sox4 T C 13: 29,136,127 (GRCm39) Y293C probably damaging Het
Srgap3 T A 6: 112,715,958 (GRCm39) H654L probably benign Het
Stra6 A T 9: 58,059,166 (GRCm39) M510L probably benign Het
Syna C A 5: 134,588,006 (GRCm39) M314I probably benign Het
Taf5l A G 8: 124,730,152 (GRCm39) L144P probably damaging Het
Tll2 A G 19: 41,101,498 (GRCm39) F379L probably benign Het
Traf3ip3 A G 1: 192,858,042 (GRCm39) V492A probably benign Het
Uba2 A G 7: 33,850,455 (GRCm39) F364S probably damaging Het
Unc50 T A 1: 37,476,323 (GRCm39) L161Q probably damaging Het
Ush2a T C 1: 188,282,206 (GRCm39) V1907A probably benign Het
Uso1 A T 5: 92,348,992 (GRCm39) probably null Het
Utf1 C A 7: 139,524,213 (GRCm39) L143I probably damaging Het
Vmn1r158 C T 7: 22,490,143 (GRCm39) C22Y probably damaging Het
Vmn1r36 T A 6: 66,693,756 (GRCm39) M40L probably benign Het
Vmn2r43 A G 7: 8,258,055 (GRCm39) V386A possibly damaging Het
Vps9d1 C A 8: 123,973,778 (GRCm39) R335L probably damaging Het
Zbtb26 A G 2: 37,326,347 (GRCm39) S230P possibly damaging Het
Zfp74 A T 7: 29,634,569 (GRCm39) C380S probably damaging Het
Zfyve1 A C 12: 83,602,388 (GRCm39) V469G probably damaging Het
Other mutations in Psap
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00926:Psap APN 10 60,128,316 (GRCm39) missense probably damaging 1.00
IGL01100:Psap APN 10 60,135,708 (GRCm39) missense probably benign 0.03
IGL01122:Psap APN 10 60,135,253 (GRCm39) missense probably benign 0.04
IGL02544:Psap APN 10 60,136,405 (GRCm39) splice site probably benign
twerk UTSW 10 60,136,630 (GRCm39) missense probably damaging 1.00
R0591:Psap UTSW 10 60,136,634 (GRCm39) missense possibly damaging 0.65
R0624:Psap UTSW 10 60,135,345 (GRCm39) splice site probably benign
R1018:Psap UTSW 10 60,136,590 (GRCm39) missense probably damaging 1.00
R3161:Psap UTSW 10 60,113,575 (GRCm39) missense possibly damaging 0.95
R3162:Psap UTSW 10 60,113,575 (GRCm39) missense possibly damaging 0.95
R3162:Psap UTSW 10 60,113,575 (GRCm39) missense possibly damaging 0.95
R3615:Psap UTSW 10 60,130,383 (GRCm39) missense probably benign 0.06
R3616:Psap UTSW 10 60,130,383 (GRCm39) missense probably benign 0.06
R4622:Psap UTSW 10 60,136,630 (GRCm39) missense probably damaging 1.00
R4623:Psap UTSW 10 60,136,630 (GRCm39) missense probably damaging 1.00
R4666:Psap UTSW 10 60,136,324 (GRCm39) missense probably benign
R5131:Psap UTSW 10 60,135,736 (GRCm39) missense possibly damaging 0.72
R5203:Psap UTSW 10 60,130,755 (GRCm39) missense probably damaging 1.00
R5251:Psap UTSW 10 60,137,479 (GRCm39) missense probably damaging 0.99
R5511:Psap UTSW 10 60,134,959 (GRCm39) missense possibly damaging 0.51
R5764:Psap UTSW 10 60,129,186 (GRCm39) missense probably benign 0.18
R6207:Psap UTSW 10 60,136,317 (GRCm39) missense probably damaging 1.00
R7003:Psap UTSW 10 60,135,276 (GRCm39) missense probably damaging 1.00
R7494:Psap UTSW 10 60,135,275 (GRCm39) missense probably benign 0.00
R7525:Psap UTSW 10 60,135,253 (GRCm39) missense probably benign 0.04
R7711:Psap UTSW 10 60,135,634 (GRCm39) missense probably damaging 0.96
R8252:Psap UTSW 10 60,113,511 (GRCm39) start gained probably benign
R8894:Psap UTSW 10 60,135,736 (GRCm39) missense possibly damaging 0.72
R9062:Psap UTSW 10 60,131,738 (GRCm39) missense possibly damaging 0.49
R9756:Psap UTSW 10 60,130,784 (GRCm39) missense possibly damaging 0.70
X0019:Psap UTSW 10 60,135,694 (GRCm39) missense probably damaging 0.96
Predicted Primers PCR Primer
(F):5'- CTTTGGCCTGAGTGAATGGC -3'
(R):5'- TACATCTAGGTCTCACTAAACGC -3'

Sequencing Primer
(F):5'- CATGGGTTAAAAGCCTGGTTCCC -3'
(R):5'- TAGGTCTCACTAAACGCACCGG -3'
Posted On 2014-06-30