Incidental Mutation 'R6335:Galc'
ID 512925
Institutional Source Beutler Lab
Gene Symbol Galc
Ensembl Gene ENSMUSG00000021003
Gene Name galactosylceramidase
Synonyms 2310068B06Rik, Gacy, A930008M05Rik, galactocerebrosidase
MMRRC Submission 044489-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6335 (G1)
Quality Score 225.009
Status Validated
Chromosome 12
Chromosomal Location 98168553-98225718 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 98208973 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 227 (D227G)
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: D227G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000021390
Gene: ENSMUSG00000021003
AA Change: D227G

DomainStartEndE-ValueType
Pfam:Glyco_hydro_59 17 684 N/A PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000220501
Predicted Effect unknown
Transcript: ENSMUST00000221063
AA Change: D33G
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222042
Meta Mutation Damage Score 0.9623 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.1%
  • 20x: 94.5%
Validation Efficiency 100% (59/59)
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atp11a T C 8: 12,909,481 (GRCm39) probably null Het
Best3 G T 10: 116,838,556 (GRCm39) V205F probably benign Het
C1qtnf1 A G 11: 118,338,960 (GRCm39) H210R probably damaging Het
Camkv T C 9: 107,823,894 (GRCm39) probably null Het
Cdk5rap2 A C 4: 70,184,849 (GRCm39) D1200E possibly damaging Het
Cep192 T A 18: 67,967,784 (GRCm39) I756N probably damaging Het
Crocc2 A T 1: 93,130,560 (GRCm39) Q947L probably benign Het
Dcaf1 A G 9: 106,715,845 (GRCm39) T321A possibly damaging Het
Dgkz T C 2: 91,774,724 (GRCm39) M87V probably benign Het
Dmrt2 T A 19: 25,650,935 (GRCm39) S40R possibly damaging Het
Dpep1 T G 8: 123,927,391 (GRCm39) L315R probably damaging Het
Fam221b G T 4: 43,665,942 (GRCm39) T223N possibly damaging Het
Fasn A T 11: 120,706,185 (GRCm39) V1053E probably damaging Het
Grik1 A G 16: 87,744,794 (GRCm39) L486P probably damaging Het
Grik5 A G 7: 24,713,019 (GRCm39) S836P probably benign Het
Grpel2 T C 18: 61,852,792 (GRCm39) K70R possibly damaging Het
Ipo7 A G 7: 109,617,675 (GRCm39) D15G possibly damaging Het
Iqgap1 A G 7: 80,377,772 (GRCm39) Y1284H probably damaging Het
Lmo7 T C 14: 102,138,072 (GRCm39) S692P probably damaging Het
Mecom A G 3: 30,034,905 (GRCm39) L447P probably damaging Het
Mtor A G 4: 148,550,384 (GRCm39) D680G probably damaging Het
Muc16 T A 9: 18,572,004 (GRCm39) I172F unknown Het
Musk A G 4: 58,366,811 (GRCm39) I476M probably benign Het
Myef2 T C 2: 124,951,632 (GRCm39) T268A probably damaging Het
Naip1 A G 13: 100,563,060 (GRCm39) S702P probably damaging Het
Napa G T 7: 15,849,562 (GRCm39) S258I probably benign Het
Nfasc T A 1: 132,504,132 (GRCm39) I1039F probably damaging Het
Nlrc5 A G 8: 95,228,902 (GRCm39) S1238G probably benign Het
Or10q12 T C 19: 13,746,144 (GRCm39) V146A probably benign Het
Or1j12 A G 2: 36,342,734 (GRCm39) I46V probably benign Het
Or5w8 T A 2: 87,687,811 (GRCm39) C97* probably null Het
Pacs1 G T 19: 5,210,005 (GRCm39) N215K probably damaging Het
Parp10 A G 15: 76,126,388 (GRCm39) S267P probably benign Het
Pbrm1 G T 14: 30,806,052 (GRCm39) C995F probably damaging Het
Pcdh7 A T 5: 58,099,607 (GRCm39) probably null Het
Ppef2 T C 5: 92,383,613 (GRCm39) Y499C probably damaging Het
Pramel16 G T 4: 143,675,602 (GRCm39) T408K probably benign Het
Prex2 A C 1: 11,180,544 (GRCm39) I370L probably benign Het
Ptprd A G 4: 75,872,420 (GRCm39) Y1350H probably damaging Het
Rasgrp1 T C 2: 117,124,351 (GRCm39) K284E probably damaging Het
Rexo1 A T 10: 80,379,915 (GRCm39) Y23N probably damaging Het
Rnd2 C T 11: 101,359,825 (GRCm39) L57F probably damaging Het
Sash3 C T X: 47,248,398 (GRCm39) L307F probably damaging Homo
Scn9a T A 2: 66,398,608 (GRCm39) M1L possibly damaging Het
Serpinb6e C A 13: 34,021,805 (GRCm39) L174F probably benign Het
Siae C T 9: 37,544,277 (GRCm39) T275I probably benign Het
Sptbn5 C A 2: 119,884,900 (GRCm39) probably benign Het
Ss18l2 C T 9: 121,541,672 (GRCm39) T55I probably damaging Het
Taf1c A G 8: 120,328,518 (GRCm39) C163R probably damaging Het
Tanc2 C T 11: 105,748,382 (GRCm39) R505W probably damaging Het
Tango6 C A 8: 107,419,308 (GRCm39) P285Q possibly damaging Het
Tdrd9 G T 12: 112,008,186 (GRCm39) probably null Het
Tead3 A T 17: 28,552,299 (GRCm39) L307H probably damaging Het
Ticrr A C 7: 79,344,031 (GRCm39) probably null Het
Trpc4 T C 3: 54,224,995 (GRCm39) probably null Het
Upb1 A T 10: 75,264,135 (GRCm39) T194S probably benign Het
Vav3 A G 3: 109,470,512 (GRCm39) N566S probably benign Het
Vmn1r196 T A 13: 22,477,887 (GRCm39) S175R probably benign Het
Zscan29 T C 2: 120,991,917 (GRCm39) N589D 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
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
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'- GCCATAGGAGTGTAATCCAGG -3'
(R):5'- ATGCCTCCACTGCATTATGC -3'

Sequencing Primer
(F):5'- CATAGGAGTGTAATCCAGGGGCAG -3'
(R):5'- CTCTGAGAAGCAGTGCGGATATTATC -3'
Posted On 2018-04-27