Incidental Mutation 'R9220:Galc'
ID 699423
Institutional Source Beutler Lab
Gene Symbol Galc
Ensembl Gene ENSMUSG00000021003
Gene Name galactosylceramidase
Synonyms 2310068B06Rik, Gacy, A930008M05Rik, galactocerebrosidase
MMRRC Submission
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9220 (G1)
Quality Score 225.009
Status Not validated
Chromosome 12
Chromosomal Location 98168553-98225718 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 98220523 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 115 (S115P)
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: S115P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000021390
Gene: ENSMUSG00000021003
AA Change: S115P

DomainStartEndE-ValueType
Pfam:Glyco_hydro_59 17 684 N/A PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.9%
  • 20x: 99.7%
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: 46 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acte1 G T 7: 143,434,902 (GRCm39) probably null Het
Afg3l2 T G 18: 67,562,266 (GRCm39) I270L probably benign Het
Akap6 A T 12: 53,187,232 (GRCm39) I1549F possibly damaging Het
Ank2 T C 3: 126,737,086 (GRCm39) T2933A unknown Het
Atp1a3 C A 7: 24,696,625 (GRCm39) E309* probably null Het
B4galt2 T C 4: 117,734,399 (GRCm39) Y250C probably damaging Het
Bcl2l13 C A 6: 120,847,735 (GRCm39) T129K possibly damaging Het
Bltp3b A T 10: 89,626,457 (GRCm39) T384S probably benign Het
Clp1 A T 2: 84,554,076 (GRCm39) H364Q probably damaging Het
Ddx27 T C 2: 166,871,433 (GRCm39) V510A probably benign Het
Dicer1 A G 12: 104,679,415 (GRCm39) C521R probably damaging Het
Dnah10 A T 5: 124,871,437 (GRCm39) I2486F probably benign Het
Eml1 C A 12: 108,480,702 (GRCm39) C389* probably null Het
Fabp6 C T 11: 43,489,572 (GRCm39) G23D probably benign Het
Fam3b A T 16: 97,302,111 (GRCm39) S38T probably benign Het
Fsd1l A T 4: 53,679,799 (GRCm39) K166* probably null Het
Gpn1 G A 5: 31,664,884 (GRCm39) A303T probably benign Het
Grid2 A T 6: 63,885,888 (GRCm39) S95C probably damaging Het
Helz T A 11: 107,560,873 (GRCm39) S1312T probably benign Het
Matn2 T C 15: 34,410,325 (GRCm39) F506L possibly damaging Het
Mcemp1 A G 8: 3,717,512 (GRCm39) S148G probably benign Het
Minar1 T A 9: 89,484,398 (GRCm39) D333V probably damaging Het
Ndrg1 A G 15: 66,805,711 (GRCm39) probably null Het
Nlrp4a A T 7: 26,149,523 (GRCm39) N377Y probably damaging Het
Nox4 C T 7: 86,970,774 (GRCm39) T217I probably benign Het
Or7g21 T C 9: 19,033,193 (GRCm39) F311S possibly damaging Het
Or8b52 A T 9: 38,576,803 (GRCm39) Y112* probably null Het
Phf8-ps T C 17: 33,286,494 (GRCm39) I103V probably benign Het
Plekhd1 T A 12: 80,768,726 (GRCm39) F403Y possibly damaging Het
Plekhg1 T C 10: 3,913,805 (GRCm39) S1231P Het
Plekhg3 T A 12: 76,618,839 (GRCm39) M497K probably benign Het
Rpap1 T C 2: 119,604,669 (GRCm39) H413R probably damaging Het
Rragd A G 4: 32,995,924 (GRCm39) T90A probably damaging Het
Septin9 T C 11: 117,242,396 (GRCm39) M286T probably benign Het
Shpk GACCTTAGCCAGAAGGAGCCTTAGTTCATCAA GA 11: 73,113,996 (GRCm39) probably null Het
Slc22a2 T A 17: 12,838,757 (GRCm39) D528E probably benign Het
Slirp G A 12: 87,494,376 (GRCm39) R47K probably benign Het
Sncg T C 14: 34,096,474 (GRCm39) T22A possibly damaging Het
Tnfrsf21 A G 17: 43,398,801 (GRCm39) S636G probably damaging Het
Unc80 T G 1: 66,546,534 (GRCm39) S535R probably damaging Het
Vmn1r149 A T 7: 22,137,378 (GRCm39) S93T probably benign Het
Vps13d A G 4: 144,783,058 (GRCm39) Y3957H Het
Wdr35 T A 12: 9,036,000 (GRCm39) V257E possibly damaging Het
Wscd1 A G 11: 71,662,750 (GRCm39) T264A probably benign Het
Zfp266 G A 9: 20,413,337 (GRCm39) Q108* probably null Het
Zfp62 T A 11: 49,106,075 (GRCm39) S55R probably benign 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
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
R9718:Galc UTSW 12 98,225,573 (GRCm39) missense
Predicted Primers PCR Primer
(F):5'- AGAGACTTCGCATGCATGATTC -3'
(R):5'- TGCACAACTTCTGAACCAGAACTAG -3'

Sequencing Primer
(F):5'- CGCATGCATGATTCCAAATTTAAGAG -3'
(R):5'- ACTTCTGAACCAGAACTAGAGTAG -3'
Posted On 2022-02-07