Incidental Mutation 'R0467:Galc'
ID 41706
Institutional Source Beutler Lab
Gene Symbol Galc
Ensembl Gene ENSMUSG00000021003
Gene Name galactosylceramidase
Synonyms 2310068B06Rik, Gacy, A930008M05Rik, galactocerebrosidase
MMRRC Submission 038667-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0467 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 98168553-98225718 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 98208904 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Arginine at position 250 (I250R)
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: I250R

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000021390
Gene: ENSMUSG00000021003
AA Change: I250R

DomainStartEndE-ValueType
Pfam:Glyco_hydro_59 17 684 N/A PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000220501
Predicted Effect unknown
Transcript: ENSMUST00000221063
AA Change: I56R
Predicted Effect noncoding transcript
Transcript: ENSMUST00000222042
Meta Mutation Damage Score 0.9004 question?
Coding Region Coverage
  • 1x: 99.6%
  • 3x: 98.8%
  • 10x: 96.7%
  • 20x: 93.3%
Validation Efficiency 98% (52/53)
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 A G 17: 24,532,151 (GRCm39) probably benign Het
Anapc1 A G 2: 128,510,963 (GRCm39) I511T probably damaging Het
Atf6 A T 1: 170,621,589 (GRCm39) H477Q probably damaging Het
C4b A G 17: 34,955,101 (GRCm39) V795A probably benign Het
Cdh26 C T 2: 178,123,425 (GRCm39) R675C possibly damaging Het
Cdk12 T C 11: 98,094,405 (GRCm39) V71A probably damaging Het
Cul3 A T 1: 80,258,580 (GRCm39) D419E probably benign Het
Ddi2 A G 4: 141,412,495 (GRCm39) I139T probably benign Het
Dnaaf1 T A 8: 120,317,471 (GRCm39) D333E probably benign Het
Dnase1 A G 16: 3,857,013 (GRCm39) D7G probably damaging Het
G3bp1 T C 11: 55,389,452 (GRCm39) F383L probably damaging Het
Garin1b G A 6: 29,326,606 (GRCm39) S241N probably damaging Het
Gcfc2 T C 6: 81,900,863 (GRCm39) V59A possibly damaging Het
Gm6133 A C 18: 78,393,305 (GRCm39) S100R probably benign Het
Iba57 T C 11: 59,054,265 (GRCm39) T85A probably benign Het
Ipo4 A T 14: 55,872,983 (GRCm39) M1K probably null Het
Ippk A G 13: 49,584,341 (GRCm39) probably null Het
Kcnk10 A T 12: 98,456,204 (GRCm39) I209N probably benign Het
Klk14 T C 7: 43,343,534 (GRCm39) L122P probably benign Het
Ltbp1 T A 17: 75,589,424 (GRCm39) probably null Het
Mab21l4 A T 1: 93,080,766 (GRCm39) I380N probably damaging Het
Mcm3 T C 1: 20,875,071 (GRCm39) D737G probably benign Het
Naip2 A C 13: 100,298,290 (GRCm39) I582S probably benign Het
Nalcn T A 14: 123,528,459 (GRCm39) T1456S probably benign Het
Nckap1l C T 15: 103,405,854 (GRCm39) P1097S probably benign Het
Ncoa1 A G 12: 4,317,687 (GRCm39) M1215T possibly damaging Het
Nomo1 T A 7: 45,721,911 (GRCm39) probably null Het
Obox5 T A 7: 15,491,932 (GRCm39) C116S possibly damaging Het
Or2ag2b T A 7: 106,417,568 (GRCm39) S93T possibly damaging Het
Or51a43 C T 7: 103,717,332 (GRCm39) R302H probably benign Het
Or5a1 C A 19: 12,097,900 (GRCm39) A59S probably benign Het
Pcdhb14 G T 18: 37,582,277 (GRCm39) R461L probably damaging Het
Pdgfra A G 5: 75,355,697 (GRCm39) D1069G probably damaging Het
Pgr C T 9: 8,900,779 (GRCm39) A104V possibly damaging Het
Pkd1l3 C G 8: 110,350,281 (GRCm39) D375E possibly damaging Het
Potegl A G 2: 23,102,832 (GRCm39) E190G possibly damaging Het
Rassf3 A G 10: 121,253,109 (GRCm39) probably benign Het
Rgs22 G T 15: 36,099,941 (GRCm39) S258* probably null Het
Rsph6a C A 7: 18,791,594 (GRCm39) D254E possibly damaging Het
Sgk1 A G 10: 21,872,257 (GRCm39) probably benign Het
Shcbp1l G A 1: 153,308,928 (GRCm39) C174Y probably damaging Het
Spata31g1 T C 4: 42,972,715 (GRCm39) S683P probably benign Het
Sulf1 T A 1: 12,867,144 (GRCm39) N109K probably damaging Het
Taf7l2 G A 10: 115,949,058 (GRCm39) A156V probably benign Het
Tas2r115 T A 6: 132,714,682 (GRCm39) I90L probably benign Het
Tmem200a T C 10: 25,870,002 (GRCm39) H89R probably benign Het
Ubxn4 G A 1: 128,190,641 (GRCm39) E256K probably benign Het
Xrn1 T C 9: 95,906,244 (GRCm39) S1212P probably damaging Het
Zfp408 T C 2: 91,475,882 (GRCm39) Y424C 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
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
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'- TGCATTGAATTGTCACAGAGCCCC -3'
(R):5'- AGATGCCTCCACTGCATTATGCC -3'

Sequencing Primer
(F):5'- TTGTCACAGAGCCCCAAATAC -3'
(R):5'- TCCAGTAGCTAAAGGCTCACTTG -3'
Posted On 2013-05-23