Incidental Mutation 'IGL03050:Ugt8a'
ID 453426
Institutional Source Beutler Lab
Gene Symbol Ugt8a
Ensembl Gene ENSMUSG00000032854
Gene Name UDP galactosyltransferase 8A
Synonyms Ugt8, Cgt, mCerGT
Accession Numbers
Essential gene? Possibly essential (E-score: 0.719) question?
Stock # IGL03050 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 125658920-125732268 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 125669139 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glycine at position 322 (R322G)
Ref Sequence ENSEMBL: ENSMUSP00000143605 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000057944] [ENSMUST00000198610]
AlphaFold Q64676
Predicted Effect possibly damaging
Transcript: ENSMUST00000057944
AA Change: R322G

PolyPhen 2 Score 0.625 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000050852
Gene: ENSMUSG00000032854
AA Change: R322G

DomainStartEndE-ValueType
Pfam:UDPGT 21 510 4.2e-121 PFAM
Pfam:Glyco_tran_28_C 326 437 6.4e-9 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000198610
AA Change: R322G

PolyPhen 2 Score 0.625 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000143605
Gene: ENSMUSG00000032854
AA Change: R322G

DomainStartEndE-ValueType
Pfam:UDPGT 21 510 4.2e-121 PFAM
Pfam:Glyco_tran_28_C 326 437 6.4e-9 PFAM
Meta Mutation Damage Score 0.8691 question?
Coding Region Coverage
  • 1x: 0.0%
  • 3x: 0.0%
  • 10x: 0.0%
  • 20x: 0.0%
Validation Efficiency 95% (41/43)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene belongs to the UDP-glycosyltransferase family. It catalyzes the transfer of galactose to ceramide, a key enzymatic step in the biosynthesis of galactocerebrosides, which are abundant sphingolipids of the myelin membrane of the central and peripheral nervous systems. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Sep 2011]
PHENOTYPE: Mutants fail to make galactolipid galactocerebroside and its sulfated derivative that are normal myelin constituents. Mutants have tremors, ataxia, progressive hindlimb paralysis and vacuole formation in ventral spinal cord due to abnormal myelin sheath. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933416I08Rik TCC TCCC X: 52,692,862 (GRCm39) noncoding transcript Het
Ankrd2 G A 19: 42,028,533 (GRCm39) R63H probably damaging Het
Bbs2 C A 8: 94,801,041 (GRCm39) probably benign Het
Btbd7 G T 12: 102,779,065 (GRCm39) D400E probably benign Het
Cilp TGGG TGG 9: 65,187,412 (GRCm39) probably null Het
Col17a1 C T 19: 47,636,537 (GRCm39) probably null Het
Col3a1 A G 1: 45,368,085 (GRCm39) probably null Het
Crb1 CG C 1: 139,164,824 (GRCm39) probably null Het
Dpp8 C G 9: 64,962,118 (GRCm39) S386C probably benign Het
Dscaml1 A C 9: 45,654,297 (GRCm39) D1443A probably damaging Het
Dsp T C 13: 38,372,421 (GRCm39) probably benign Het
Elf2 C T 3: 51,165,038 (GRCm39) R262Q probably benign Het
Fat3 G A 9: 15,907,896 (GRCm39) S2702F probably benign Het
G530012D18Rik CAGAGAGA CAGAGAGAGA 1: 85,504,945 (GRCm39) probably null Het
Gabrb1 T A 5: 72,279,497 (GRCm39) S347R probably benign Het
Hivep1 T C 13: 42,309,604 (GRCm39) S615P probably benign Het
Kcnq3 T C 15: 65,897,027 (GRCm39) D291G possibly damaging Het
Lyl1 C T 8: 85,429,300 (GRCm39) P3L possibly damaging Het
Mirt1 A G 19: 53,433,710 (GRCm39) noncoding transcript Het
Mmp1a TG TGG 9: 7,465,083 (GRCm38) probably null Het
Mug1 T A 6: 121,857,530 (GRCm39) S1085T possibly damaging Het
Myo18a A T 11: 77,709,596 (GRCm39) T190S probably benign Het
Myo5a G A 9: 75,054,191 (GRCm39) probably null Het
Or1ak2 T A 2: 36,827,635 (GRCm39) F168Y probably damaging Het
Or1l8 A T 2: 36,817,820 (GRCm39) M102K probably damaging Het
Or1m1 A T 9: 18,666,750 (GRCm39) Y60* probably null Het
Or5an1 G T 19: 12,260,876 (GRCm39) V155L probably benign Het
Or9g3 A G 2: 85,589,785 (GRCm39) *312Q probably null Het
Relch T A 1: 105,654,106 (GRCm39) V825E probably damaging Het
Rgma G A 7: 73,067,263 (GRCm39) V173M probably damaging Het
Rgsl1 G A 1: 153,701,422 (GRCm39) S379F possibly damaging Het
Sec16a T A 2: 26,305,759 (GRCm39) D2215V probably damaging Het
Speer4c1 A C 5: 15,919,214 (GRCm39) probably benign Het
Thrap3 G A 4: 126,059,335 (GRCm39) probably null Het
Ttyh2 T A 11: 114,599,680 (GRCm39) L370Q probably damaging Het
Vmn2r97 T C 17: 19,167,900 (GRCm39) M718T possibly damaging Het
Zhx2 T C 15: 57,686,229 (GRCm39) F533L possibly damaging Het
Other mutations in Ugt8a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00264:Ugt8a APN 3 125,708,285 (GRCm39) critical splice donor site probably null
IGL01934:Ugt8a APN 3 125,708,424 (GRCm39) missense probably benign 0.18
IGL02435:Ugt8a APN 3 125,660,969 (GRCm39) missense probably benign 0.00
R0041:Ugt8a UTSW 3 125,708,739 (GRCm39) missense probably benign 0.00
R0453:Ugt8a UTSW 3 125,708,606 (GRCm39) missense probably benign 0.03
R1314:Ugt8a UTSW 3 125,665,397 (GRCm39) missense probably benign 0.00
R1544:Ugt8a UTSW 3 125,709,098 (GRCm39) missense probably benign 0.06
R1566:Ugt8a UTSW 3 125,669,207 (GRCm39) missense probably damaging 0.96
R1770:Ugt8a UTSW 3 125,667,852 (GRCm39) missense probably benign 0.11
R2126:Ugt8a UTSW 3 125,669,195 (GRCm39) missense probably damaging 0.98
R2972:Ugt8a UTSW 3 125,708,957 (GRCm39) missense probably benign
R2973:Ugt8a UTSW 3 125,708,957 (GRCm39) missense probably benign
R3547:Ugt8a UTSW 3 125,661,031 (GRCm39) nonsense probably null
R3906:Ugt8a UTSW 3 125,708,631 (GRCm39) missense possibly damaging 0.95
R3907:Ugt8a UTSW 3 125,708,631 (GRCm39) missense possibly damaging 0.95
R4032:Ugt8a UTSW 3 125,667,807 (GRCm39) missense probably damaging 1.00
R5235:Ugt8a UTSW 3 125,661,129 (GRCm39) missense probably damaging 1.00
R5890:Ugt8a UTSW 3 125,669,202 (GRCm39) missense probably benign 0.01
R6790:Ugt8a UTSW 3 125,665,340 (GRCm39) missense possibly damaging 0.93
R6937:Ugt8a UTSW 3 125,709,250 (GRCm39) start gained probably benign
R7298:Ugt8a UTSW 3 125,709,065 (GRCm39) missense probably benign 0.30
R8730:Ugt8a UTSW 3 125,732,105 (GRCm39) start gained probably benign
R9211:Ugt8a UTSW 3 125,661,130 (GRCm39) missense probably damaging 1.00
R9385:Ugt8a UTSW 3 125,665,263 (GRCm39) missense probably benign
R9649:Ugt8a UTSW 3 125,708,338 (GRCm39) missense probably damaging 0.99
R9666:Ugt8a UTSW 3 125,708,957 (GRCm39) missense probably benign
R9762:Ugt8a UTSW 3 125,708,900 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- GCTGGAGGAAACATAAAACTGACTC -3'
(R):5'- GCACTGACTTGTATTGGTCTTC -3'

Sequencing Primer
(F):5'- TACAGGTATCTTATCAACTACAGACC -3'
(R):5'- AACATGGCTTTGTCCTGG -3'
Posted On 2017-02-08