Incidental Mutation 'R5273:Galc'
ID 403778
Institutional Source Beutler Lab
Gene Symbol Galc
Ensembl Gene ENSMUSG00000021003
Gene Name galactosylceramidase
Synonyms 2310068B06Rik, Gacy, A930008M05Rik, galactocerebrosidase
MMRRC Submission 042862-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5273 (G1)
Quality Score 225
Status Not validated
Chromosome 12
Chromosomal Location 98168553-98225718 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 98218330 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 174 (Y174C)
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 probably damaging
Transcript: ENSMUST00000021390
AA Change: Y174C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000021390
Gene: ENSMUSG00000021003
AA Change: Y174C

DomainStartEndE-ValueType
Pfam:Glyco_hydro_59 17 684 N/A PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000220501
Predicted Effect noncoding transcript
Transcript: ENSMUST00000221322
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222042
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency
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: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc4 T C 14: 118,832,233 (GRCm39) N799S possibly damaging Het
Arhgap20 A G 9: 51,759,916 (GRCm39) N589S probably damaging Het
Armc10 C T 5: 21,858,426 (GRCm39) A157V possibly damaging Het
Atp2b2 A G 6: 113,736,193 (GRCm39) L958P probably damaging Het
Bhmt2 G A 13: 93,803,086 (GRCm39) A149V possibly damaging Het
Ccdc7a CATCAGCTGATAT CAT 8: 129,788,090 (GRCm39) probably null Het
Cntnap4 A G 8: 113,460,070 (GRCm39) D141G probably damaging Het
Cplane1 T C 15: 8,273,825 (GRCm39) S2603P probably damaging Het
Cplane1 T C 15: 8,292,422 (GRCm39) S3012P unknown Het
Dis3 A G 14: 99,336,242 (GRCm39) V88A probably benign Het
Dnajc21 A T 15: 10,454,893 (GRCm39) C316S probably damaging Het
Dnhd1 A G 7: 105,363,689 (GRCm39) T4084A probably damaging Het
Dock3 A C 9: 106,777,904 (GRCm39) probably null Het
Eml5 T C 12: 98,756,947 (GRCm39) H1894R probably damaging Het
Gm4841 C T 18: 60,403,815 (GRCm39) V93I probably benign Het
Gm7995 T C 14: 42,133,413 (GRCm39) Y98H probably damaging Het
Gnrhr T A 5: 86,330,105 (GRCm39) H305L possibly damaging Het
Gpr179 A T 11: 97,238,256 (GRCm39) F323I probably damaging Het
Kdm6b G T 11: 69,295,027 (GRCm39) P1080Q unknown Het
Man2a1 C T 17: 65,040,780 (GRCm39) T126I probably damaging Het
Mdm4 G A 1: 132,922,320 (GRCm39) T274M probably benign Het
Mug1 T A 6: 121,850,748 (GRCm39) V748E probably damaging Het
Nav3 A T 10: 109,528,899 (GRCm39) probably null Het
Nhsl3 T C 4: 129,118,005 (GRCm39) T208A possibly damaging Het
Or8d6 T C 9: 39,853,853 (GRCm39) V99A probably benign Het
Or8g36 A G 9: 39,422,795 (GRCm39) S74P possibly damaging Het
Pcdhb1 T C 18: 37,398,766 (GRCm39) V239A probably benign Het
Ppic T A 18: 53,542,330 (GRCm39) H126L probably damaging Het
Sdk1 T C 5: 141,984,583 (GRCm39) F463L probably damaging Het
Shroom1 A G 11: 53,354,671 (GRCm39) E197G possibly damaging Het
Slc22a14 A G 9: 118,999,704 (GRCm39) S496P probably benign Het
Slc27a1 G A 8: 72,036,900 (GRCm39) G379S probably benign Het
Slco1a5 T C 6: 142,187,824 (GRCm39) E505G probably benign Het
Snrpe A C 1: 133,537,518 (GRCm39) probably benign Het
Sp100 G T 1: 85,636,825 (GRCm39) V299F possibly damaging Het
Stard9 A G 2: 120,535,568 (GRCm39) S3942G possibly damaging Het
Ttn A G 2: 76,644,948 (GRCm39) V12969A probably damaging Het
Txndc11 T C 16: 10,946,487 (GRCm39) Q108R probably benign Het
Wnk4 A T 11: 101,154,695 (GRCm39) I295F probably 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
R4764:Galc UTSW 12 98,209,003 (GRCm39) missense possibly damaging 0.78
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
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'- CACCCTGTTATGGTGTTATGCAAC -3'
(R):5'- TCTGTTAGAAAATGCTGTGAGGGAG -3'

Sequencing Primer
(F):5'- GCAACATGCAAAGAGTATTTCTATAC -3'
(R):5'- CATTTTCTTGAAAGGACAGTAGCAAG -3'
Posted On 2016-07-22