Incidental Mutation 'R4764:Galc'
ID 357125
Institutional Source Beutler Lab
Gene Symbol Galc
Ensembl Gene ENSMUSG00000021003
Gene Name galactosylceramidase
Synonyms 2310068B06Rik, Gacy, A930008M05Rik, galactocerebrosidase
MMRRC Submission 042405-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4764 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 98168553-98225718 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 98209003 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Aspartic acid at position 217 (G217D)
Ref Sequence ENSEMBL: ENSMUSP00000021390 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021390]
AlphaFold P54818
PDB Structure STRUCTURE OF GALACTOCEREBROSIDASE FROM MOUSE [X-RAY DIFFRACTION]
STRUCTURE OF GALACTOCEREBROSIDASE FROM MOUSE IN COMPLEX WITH GALACTOSE [X-RAY DIFFRACTION]
STRUCTURE OF MOUSE GALACTOCEREBROSIDASE WITH 4NBDG: ENZYME-SUBSTRATE COMPLEX [X-RAY DIFFRACTION]
STRUCTURE OF MOUSE GALACTOCEREBROSIDASE WITH D-GALACTAL: ENZYME- INTERMEDIATE COMPLEX [X-RAY DIFFRACTION]
STRUCTURE OF MOUSE GALACTOCEREBROSIDASE WITH GALACTOSE: ENZYME- PRODUCT COMPLEX [X-RAY DIFFRACTION]
Predicted Effect possibly damaging
Transcript: ENSMUST00000021390
AA Change: G217D

PolyPhen 2 Score 0.783 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000021390
Gene: ENSMUSG00000021003
AA Change: G217D

DomainStartEndE-ValueType
Pfam:Glyco_hydro_59 17 684 N/A PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000220501
Predicted Effect unknown
Transcript: ENSMUST00000221063
AA Change: G23D
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222042
Meta Mutation Damage Score 0.6405 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.9%
Validation Efficiency 99% (78/79)
MGI Phenotype FUNCTION: This gene encodes galactosylceramidase, the lysosomal hydryolase involved in the catabolism of galactosylceramide. Mutations in this gene result in slow growth, tremors and hind leg weakness, collectively termed as the 'twitcher' phenotype. In humans, deficiency of this gene product causes a lysosomal storage disorder known as Krabbe disease. [provided by RefSeq, Dec 2014]
PHENOTYPE: Homozygotes for spontaneous and targeted mutations exhibit tremors, progressive weakness, wasting, both central and peripheral demyelination, massive accumulation of galactosylceramide, abnormal macrophages, and death by 4 months of age. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 71 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700001J03Rik T G 5: 146,122,029 (GRCm39) S18R probably benign Het
2010315B03Rik A C 9: 124,056,396 (GRCm39) V176G probably benign Het
Abcb1a T A 5: 8,765,732 (GRCm39) probably null Het
Acad11 C A 9: 103,953,076 (GRCm39) P102T probably damaging Het
Aggf1 T A 13: 95,501,221 (GRCm39) D387V probably damaging Het
Akr1c13 G A 13: 4,248,496 (GRCm39) V234I probably benign Het
Alg5 A G 3: 54,653,894 (GRCm39) Y210C possibly damaging Het
Arl8a C A 1: 135,074,837 (GRCm39) A41E probably benign Het
Axin1 C A 17: 26,392,730 (GRCm39) T337K possibly damaging Het
Bdp1 A G 13: 100,192,775 (GRCm39) L1353P probably damaging Het
Bptf A T 11: 106,934,520 (GRCm39) V2851E probably damaging Het
C9 A T 15: 6,489,124 (GRCm39) E160D probably damaging Het
Cbx6 T C 15: 79,712,881 (GRCm39) D182G probably damaging Het
Cep57l1 T C 10: 41,597,678 (GRCm39) R242G possibly damaging Het
Chst8 T C 7: 34,375,149 (GRCm39) D230G probably damaging Het
Col3a1 A C 1: 45,385,270 (GRCm39) D129A probably damaging Het
Cst12 A G 2: 148,631,393 (GRCm39) E38G possibly damaging Het
Disp1 G T 1: 182,869,660 (GRCm39) A920E probably damaging Het
Dtna T G 18: 23,668,206 (GRCm39) probably null Het
Elp3 T A 14: 65,820,378 (GRCm39) H97L probably damaging Het
Exoc8 A G 8: 125,624,314 (GRCm39) F18L possibly damaging Het
Extl3 T C 14: 65,314,769 (GRCm39) T138A probably benign Het
Foxi2 G T 7: 135,012,396 (GRCm39) G95C probably damaging Het
Foxj2 G T 6: 122,810,230 (GRCm39) Q196H probably benign Het
Frem1 A T 4: 82,907,426 (GRCm39) D811E probably damaging Het
Frmd4a A T 2: 4,608,259 (GRCm39) E709V probably damaging Het
Fscn3 T A 6: 28,436,200 (GRCm39) *499K probably null Het
Gm5592 G T 7: 40,865,542 (GRCm39) probably benign Het
Gm57858 T G 3: 36,064,809 (GRCm39) *521C probably null Het
Hnrnpul1 A G 7: 25,442,436 (GRCm39) S269P probably benign Het
Hrh1 T C 6: 114,457,496 (GRCm39) V259A probably benign Het
Lef1 T C 3: 130,978,382 (GRCm39) S167P probably benign Het
Mtf2 T C 5: 108,241,218 (GRCm39) I248T probably benign Het
Muc2 C T 7: 141,299,345 (GRCm39) T130M possibly damaging Het
Myo16 T C 8: 10,485,880 (GRCm39) F653S probably damaging Het
Myo1e T C 9: 70,250,417 (GRCm39) probably null Het
Myo5a G T 9: 75,023,618 (GRCm39) probably benign Het
Nlrp1b T A 11: 71,073,489 (GRCm39) D118V probably damaging Het
Npat T C 9: 53,483,920 (GRCm39) F1412S probably damaging Het
Onecut3 G T 10: 80,331,541 (GRCm39) A234S unknown Het
Or1ad1 G A 11: 50,875,602 (GRCm39) E25K probably benign Het
Or8b37 T G 9: 37,959,436 (GRCm39) L306R probably benign Het
Osbpl6 T A 2: 76,376,344 (GRCm39) I73K probably damaging Het
Otog C T 7: 45,937,943 (GRCm39) T1884I probably benign Het
Pax6 C A 2: 105,526,847 (GRCm39) P251Q probably benign Het
Pias4 A G 10: 80,999,868 (GRCm39) Y62H possibly damaging Het
Pknox1 T A 17: 31,809,687 (GRCm39) V97D possibly damaging Het
Plekhf1 A G 7: 37,921,022 (GRCm39) V182A probably damaging Het
Plscr4 T C 9: 92,366,833 (GRCm39) V149A probably damaging Het
Polr2l A T 7: 141,053,309 (GRCm39) L35Q probably damaging Het
Ppp3ca T C 3: 136,596,250 (GRCm39) I305T probably damaging Het
Ptprg G A 14: 12,122,068 (GRCm38) A311T probably benign Het
Raet1e T G 10: 22,057,231 (GRCm39) I185R probably damaging Het
Rims1 A C 1: 22,518,543 (GRCm39) V520G probably damaging Het
Rp1 A T 1: 4,416,101 (GRCm39) D1670E probably damaging Het
Rps6ka1 A T 4: 133,587,868 (GRCm39) I352N probably damaging Het
Rtp3 T C 9: 110,816,418 (GRCm39) probably benign Het
Ryr3 T A 2: 112,563,376 (GRCm39) probably null Het
Sall3 A G 18: 81,017,691 (GRCm39) V79A probably damaging Het
Sdsl C T 5: 120,600,119 (GRCm39) V93M probably damaging Het
Slc7a13 A G 4: 19,819,390 (GRCm39) N197D probably benign Het
Slit1 T A 19: 41,709,483 (GRCm39) R137* probably null Het
Stxbp5 C A 10: 9,646,367 (GRCm39) R115L probably damaging Het
Tcea1 G A 1: 4,965,167 (GRCm39) R290H probably damaging Het
Tmem132e A T 11: 82,325,338 (GRCm39) T113S probably damaging Het
Tpp1 A T 7: 105,398,458 (GRCm39) I286N probably damaging Het
Trio G A 15: 27,732,624 (GRCm39) R3086* probably null Het
Usp22 T A 11: 61,051,462 (GRCm39) N294Y probably damaging Het
Usp44 T A 10: 93,681,933 (GRCm39) S128T probably benign Het
Zc3h7b T C 15: 81,653,384 (GRCm39) probably null Het
Zfhx2 T C 14: 55,304,372 (GRCm39) Y1204C possibly damaging Het
Other mutations in Galc
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01023:Galc APN 12 98,197,681 (GRCm39) missense probably benign
IGL01287:Galc APN 12 98,212,503 (GRCm39) unclassified probably benign
IGL01618:Galc APN 12 98,218,340 (GRCm39) missense possibly damaging 0.92
IGL02125:Galc APN 12 98,197,768 (GRCm39) missense probably damaging 1.00
IGL02274:Galc APN 12 98,220,473 (GRCm39) nonsense probably null
IGL02392:Galc APN 12 98,173,672 (GRCm39) missense probably damaging 0.99
IGL02478:Galc APN 12 98,179,391 (GRCm39) missense possibly damaging 0.96
IGL02544:Galc APN 12 98,197,701 (GRCm39) missense probably benign 0.27
IGL03268:Galc APN 12 98,188,852 (GRCm39) splice site probably benign
IGL03327:Galc APN 12 98,173,735 (GRCm39) splice site probably benign
Crabby2 UTSW 12 98,200,525 (GRCm39) missense probably damaging 1.00
Krabbe UTSW 12 98,188,906 (GRCm39) missense probably damaging 1.00
lobster UTSW 12 98,212,514 (GRCm39) missense probably null 0.84
quake UTSW 12 98,208,973 (GRCm39) missense probably damaging 1.00
teeter UTSW 12 98,225,421 (GRCm39) missense probably damaging 1.00
R0218:Galc UTSW 12 98,188,906 (GRCm39) missense probably damaging 1.00
R0240:Galc UTSW 12 98,218,293 (GRCm39) missense probably damaging 1.00
R0240:Galc UTSW 12 98,218,293 (GRCm39) missense probably damaging 1.00
R0467:Galc UTSW 12 98,208,904 (GRCm39) missense probably damaging 1.00
R1619:Galc UTSW 12 98,200,563 (GRCm39) missense probably benign 0.00
R1763:Galc UTSW 12 98,200,525 (GRCm39) missense probably damaging 1.00
R1832:Galc UTSW 12 98,200,499 (GRCm39) critical splice donor site probably null
R1844:Galc UTSW 12 98,212,556 (GRCm39) splice site probably null
R1996:Galc UTSW 12 98,218,285 (GRCm39) missense probably damaging 1.00
R2010:Galc UTSW 12 98,220,489 (GRCm39) missense possibly damaging 0.51
R2097:Galc UTSW 12 98,218,291 (GRCm39) missense probably benign
R2496:Galc UTSW 12 98,193,540 (GRCm39) missense probably damaging 1.00
R2881:Galc UTSW 12 98,179,355 (GRCm39) missense probably benign
R3009:Galc UTSW 12 98,170,228 (GRCm39) missense probably damaging 1.00
R4571:Galc UTSW 12 98,188,876 (GRCm39) missense probably benign 0.00
R4851:Galc UTSW 12 98,193,533 (GRCm39) missense probably benign 0.00
R4854:Galc UTSW 12 98,223,136 (GRCm39) missense probably damaging 1.00
R4900:Galc UTSW 12 98,197,731 (GRCm39) missense probably damaging 1.00
R4983:Galc UTSW 12 98,209,027 (GRCm39) nonsense probably null
R5220:Galc UTSW 12 98,197,672 (GRCm39) splice site probably null
R5273:Galc UTSW 12 98,218,330 (GRCm39) missense probably damaging 1.00
R5495:Galc UTSW 12 98,197,673 (GRCm39) critical splice donor site probably null
R5689:Galc UTSW 12 98,179,245 (GRCm39) missense possibly damaging 0.94
R5819:Galc UTSW 12 98,182,520 (GRCm39) missense probably benign 0.06
R6191:Galc UTSW 12 98,218,293 (GRCm39) missense probably damaging 1.00
R6196:Galc UTSW 12 98,225,421 (GRCm39) missense probably damaging 1.00
R6305:Galc UTSW 12 98,225,549 (GRCm39) missense possibly damaging 0.57
R6335:Galc UTSW 12 98,208,973 (GRCm39) missense probably damaging 1.00
R7255:Galc UTSW 12 98,212,514 (GRCm39) missense probably null 0.84
R7496:Galc UTSW 12 98,225,497 (GRCm39) nonsense probably null
R7704:Galc UTSW 12 98,175,102 (GRCm39) missense probably benign
R8871:Galc UTSW 12 98,212,543 (GRCm39) missense probably damaging 1.00
R9124:Galc UTSW 12 98,220,423 (GRCm39) critical splice donor site probably null
R9140:Galc UTSW 12 98,173,673 (GRCm39) missense probably null 0.55
R9211:Galc UTSW 12 98,173,699 (GRCm39) missense probably benign 0.00
R9220:Galc UTSW 12 98,220,523 (GRCm39) missense probably damaging 1.00
R9718:Galc UTSW 12 98,225,573 (GRCm39) missense
Predicted Primers PCR Primer
(F):5'- CCGAGTAAATACTGCCATAGGAG -3'
(R):5'- ATTATGCCGGACACCCAGTC -3'

Sequencing Primer
(F):5'- TACTGCCATAGGAGTGTAATCCAG -3'
(R):5'- AGTCCTCTGAGAAGCAGTGC -3'
Posted On 2015-11-11