Incidental Mutation 'R2097:Galc'
ID 230329
Institutional Source Beutler Lab
Gene Symbol Galc
Ensembl Gene ENSMUSG00000021003
Gene Name galactosylceramidase
Synonyms 2310068B06Rik, Gacy, A930008M05Rik, galactocerebrosidase
MMRRC Submission 040101-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2097 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 98168553-98225718 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 98218291 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 187 (D187G)
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: D187G

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000021390
Gene: ENSMUSG00000021003
AA Change: D187G

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
Meta Mutation Damage Score 0.1065 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.2%
Validation Efficiency 100% (43/43)
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: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actr8 T C 14: 29,709,185 (GRCm39) V263A probably damaging Het
Apol6 T A 15: 76,931,333 (GRCm39) probably null Het
Aqp3 C T 4: 41,098,004 (GRCm39) V36M possibly damaging Het
Bace1 G T 9: 45,771,520 (GRCm39) C478F probably benign Het
Bbof1 C A 12: 84,460,081 (GRCm39) A116D probably damaging Het
Casq1 A T 1: 172,037,988 (GRCm39) L381Q probably damaging Het
Ccdc138 T A 10: 58,397,759 (GRCm39) L533* probably null Het
Cdcp3 A T 7: 130,783,693 (GRCm39) R29* probably null Het
Cnga1 C T 5: 72,776,404 (GRCm39) V20I possibly damaging Het
Cntn6 A G 6: 104,838,910 (GRCm39) E988G probably damaging Het
Cts6 T A 13: 61,343,259 (GRCm39) N321Y probably damaging Het
Dnmt1 A G 9: 20,821,084 (GRCm39) S1269P probably benign Het
Dsg4 C A 18: 20,604,101 (GRCm39) P856H probably damaging Het
Fndc3a C A 14: 72,811,791 (GRCm39) probably null Het
Gfm1 T C 3: 67,357,079 (GRCm39) I384T probably damaging Het
Hacd2 A G 16: 34,869,090 (GRCm39) I92V probably benign Het
Hmcn2 T A 2: 31,270,431 (GRCm39) Y1223N probably damaging Het
Il20ra T C 10: 19,635,211 (GRCm39) I484T probably damaging Het
Map7 G T 10: 20,122,362 (GRCm39) V143F probably damaging Het
Mcm3ap T C 10: 76,348,323 (GRCm39) L1893P probably damaging Het
Msh6 A G 17: 88,292,844 (GRCm39) N533S probably benign Het
Nbea T C 3: 55,630,638 (GRCm39) D2233G probably damaging Het
Nlrp6 A T 7: 140,503,117 (GRCm39) T408S probably damaging Het
Notch3 A T 17: 32,341,728 (GRCm39) L2008Q probably damaging Het
Odad4 T A 11: 100,454,408 (GRCm39) F398I possibly damaging Het
Or52e19b T A 7: 103,032,840 (GRCm39) D123V probably damaging Het
Or8k20 A T 2: 86,106,383 (GRCm39) Y149* probably null Het
Pggt1b T C 18: 46,379,695 (GRCm39) N296D probably benign Het
Pglyrp3 T A 3: 91,935,478 (GRCm39) F243I possibly damaging Het
Phip T C 9: 82,797,392 (GRCm39) H537R possibly damaging Het
Ptch1 T G 13: 63,672,773 (GRCm39) E944A probably benign Het
Ptpdc1 T A 13: 48,746,135 (GRCm39) probably null Het
Ptprq T C 10: 107,489,354 (GRCm39) T924A probably benign Het
Pwp2 C A 10: 78,013,576 (GRCm39) probably benign Het
Slc7a4 G T 16: 17,391,319 (GRCm39) probably null Het
Tmem132b T A 5: 125,715,272 (GRCm39) I327K probably damaging Het
Trim9 T C 12: 70,393,933 (GRCm39) M4V probably damaging Het
Tspan13 T C 12: 36,071,829 (GRCm39) S128G probably benign Het
Zbtb20 A G 16: 43,429,882 (GRCm39) D131G probably null Het
Zeb2 A T 2: 44,887,168 (GRCm39) C615S probably damaging Het
Zfp777 C T 6: 48,021,176 (GRCm39) D149N probably benign Het
Zfp990 A G 4: 145,263,892 (GRCm39) K297E 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
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
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'- ACCCTGTTATGGTGTTATGCAAC -3'
(R):5'- GCTGTCAGGATTAGTAAGAAATCTTGG -3'

Sequencing Primer
(F):5'- GCAACATGCAAAGAGTATTTCTATAC -3'
(R):5'- GGGGTCTCTCCTTTCAGCCAG -3'
Posted On 2014-09-18