Incidental Mutation 'R2881:Galc'
ID 260331
Institutional Source Beutler Lab
Gene Symbol Galc
Ensembl Gene ENSMUSG00000021003
Gene Name galactosylceramidase
Synonyms 2310068B06Rik, Gacy, A930008M05Rik, galactocerebrosidase
MMRRC Submission 040469-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2881 (G1)
Quality Score 225
Status Not validated
Chromosome 12
Chromosomal Location 98168553-98225718 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 98179355 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Threonine at position 518 (M518T)
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 benign
Transcript: ENSMUST00000021390
AA Change: M518T

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000021390
Gene: ENSMUSG00000021003
AA Change: M518T

DomainStartEndE-ValueType
Pfam:Glyco_hydro_59 17 684 N/A PFAM
Predicted Effect unknown
Transcript: ENSMUST00000221063
AA Change: M324T
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222703
Coding Region Coverage
  • 1x: 99.2%
  • 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: 29 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atp4a G A 7: 30,419,650 (GRCm39) R671Q probably benign Het
Atp9a T C 2: 168,548,134 (GRCm39) Y7C probably damaging Het
Bsn C T 9: 107,990,266 (GRCm39) A1829T possibly damaging Het
Camta2 A T 11: 70,570,490 (GRCm39) probably null Het
Ces1d C A 8: 93,921,659 (GRCm39) G35W probably damaging Het
Chd3 T C 11: 69,242,946 (GRCm39) D1425G probably damaging Het
Coasy G A 11: 100,976,675 (GRCm39) V482I possibly damaging Het
Cyp2j9 A T 4: 96,462,249 (GRCm39) V344E probably damaging Het
Dhx30 A T 9: 109,927,913 (GRCm39) Y73* probably null Het
Ewsr1 C A 11: 5,028,523 (GRCm39) probably benign Het
Faap100 T C 11: 120,265,185 (GRCm39) T564A probably damaging Het
Gpatch8 A G 11: 102,370,743 (GRCm39) Y932H unknown Het
Hace1 T A 10: 45,547,230 (GRCm39) M471K probably benign Het
Irf2bpl T A 12: 86,929,551 (GRCm39) D374V probably damaging Het
Lcor A G 19: 41,571,488 (GRCm39) E227G probably damaging Het
Nbea A G 3: 55,554,779 (GRCm39) V2623A probably benign Het
Or4a47 T C 2: 89,675,328 (GRCm39) probably null Het
Or5ac24 A T 16: 59,165,215 (GRCm39) L283Q probably damaging Het
Pex5l T A 3: 33,047,152 (GRCm39) probably null Het
Pira13 T A 7: 3,828,640 (GRCm39) M1L probably null Het
Plxnb1 T A 9: 108,943,480 (GRCm39) S1908T probably damaging Het
Sgo2b T C 8: 64,380,570 (GRCm39) Y754C probably damaging Het
She T A 3: 89,739,231 (GRCm39) C141S probably benign Het
Tex15 T A 8: 34,064,935 (GRCm39) L1455* probably null Het
Tfec T A 6: 16,835,232 (GRCm39) H182L probably benign Het
Tgm6 T C 2: 129,979,359 (GRCm39) V163A probably benign Het
Vmn2r88 G T 14: 51,656,146 (GRCm39) C794F probably damaging Het
Zfp871 T C 17: 32,994,407 (GRCm39) K256R probably damaging Het
Zfp998 A T 13: 66,579,329 (GRCm39) C385S 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
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
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'- ACGGCCTATTGGAATCCCTTC -3'
(R):5'- GCTCTAGTACAGGCATCTGGTC -3'

Sequencing Primer
(F):5'- TGGAATCCCTTCACTCAGAATG -3'
(R):5'- ACAGGCATCTGGTCAATTATTTGG -3'
Posted On 2015-01-23