Incidental Mutation 'R6607:Ctbs'
ID 525729
Institutional Source Beutler Lab
Gene Symbol Ctbs
Ensembl Gene ENSMUSG00000028189
Gene Name chitobiase
Synonyms 2210401K11Rik
MMRRC Submission 044730-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6607 (G1)
Quality Score 225.009
Status Validated
Chromosome 3
Chromosomal Location 146156204-146171604 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 146163128 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 172 (D172G)
Ref Sequence ENSEMBL: ENSMUSP00000059167 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029839] [ENSMUST00000029840] [ENSMUST00000061937] [ENSMUST00000196609] [ENSMUST00000197980]
AlphaFold Q8R242
Predicted Effect probably benign
Transcript: ENSMUST00000029839
SMART Domains Protein: ENSMUSP00000029839
Gene: ENSMUSG00000028188

DomainStartEndE-ValueType
low complexity region 89 100 N/A INTRINSIC
low complexity region 215 227 N/A INTRINSIC
Pfam:SPATA1_C 279 428 1.7e-56 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000029840
AA Change: D172G

PolyPhen 2 Score 0.599 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000029840
Gene: ENSMUSG00000028189
AA Change: D172G

DomainStartEndE-ValueType
low complexity region 3 20 N/A INTRINSIC
Pfam:Glyco_hydro_18 79 257 1.6e-30 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000061937
AA Change: D172G

PolyPhen 2 Score 0.599 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000059167
Gene: ENSMUSG00000028189
AA Change: D172G

DomainStartEndE-ValueType
signal peptide 1 23 N/A INTRINSIC
Glyco_18 45 343 2.62e-21 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000196609
SMART Domains Protein: ENSMUSP00000142380
Gene: ENSMUSG00000028189

DomainStartEndE-ValueType
signal peptide 1 22 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000197166
Predicted Effect probably benign
Transcript: ENSMUST00000197980
SMART Domains Protein: ENSMUSP00000142800
Gene: ENSMUSG00000028188

DomainStartEndE-ValueType
low complexity region 89 100 N/A INTRINSIC
low complexity region 215 227 N/A INTRINSIC
SCOP:d1eq1a_ 267 365 8e-5 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000200488
Meta Mutation Damage Score 0.3781 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.2%
  • 20x: 94.8%
Validation Efficiency 96% (27/28)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Chitobiase is a lysosomal glycosidase involved in degradation of asparagine-linked oligosaccharides on glycoproteins (Aronson and Kuranda, 1989 [PubMed 2531691]).[supplied by OMIM, Nov 2010]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit accumulation of oligosaccharides. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 30 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A4galt T C 15: 83,112,507 (GRCm39) D92G possibly damaging Het
Ace A T 11: 105,863,203 (GRCm39) H326L possibly damaging Het
Adtrp A G 13: 41,931,087 (GRCm39) F167L probably benign Het
Agbl2 A G 2: 90,631,670 (GRCm39) T343A probably damaging Het
Cacna1a A T 8: 85,306,121 (GRCm39) I1290F probably damaging Het
Cdh4 G A 2: 179,515,889 (GRCm39) V356I probably benign Het
Celsr1 A G 15: 85,847,486 (GRCm39) V1417A probably benign Het
Dnah5 A G 15: 28,445,346 (GRCm39) T4161A possibly damaging Het
Dut A G 2: 125,098,787 (GRCm39) D140G probably damaging Het
Ep400 T C 5: 110,831,180 (GRCm39) D2162G unknown Het
Esyt2 G A 12: 116,332,360 (GRCm39) D781N probably benign Het
Fam174b T C 7: 73,416,312 (GRCm39) L135P probably damaging Het
Fbxo15 A T 18: 84,977,270 (GRCm39) T106S possibly damaging Het
Foxq1 A G 13: 31,743,129 (GRCm39) D77G possibly damaging Het
Gclm G A 3: 122,049,264 (GRCm39) probably null Het
Gcn1 T A 5: 115,747,537 (GRCm39) S1677T probably damaging Het
Hamp2 T A 7: 30,622,013 (GRCm39) R59* probably null Het
Herc1 C T 9: 66,325,849 (GRCm39) A1441V probably benign Het
Lrp1 G A 10: 127,396,005 (GRCm39) H2422Y probably damaging Het
Rbks C T 5: 31,805,136 (GRCm39) V243M possibly damaging Het
Rnd2 C T 11: 101,359,825 (GRCm39) L57F probably damaging Het
Rsf1 CG CGACGGCGGTG 7: 97,229,115 (GRCm39) probably benign Homo
Slc17a4 T C 13: 24,089,397 (GRCm39) probably null Het
Slc29a1 A C 17: 45,899,853 (GRCm39) probably null Het
Tenm2 A G 11: 35,954,602 (GRCm39) probably null Het
Tmem26 T A 10: 68,614,543 (GRCm39) H319Q probably benign Het
Vmn1r203 A G 13: 22,708,891 (GRCm39) Y224C probably benign Het
Vmn1r223 T C 13: 23,433,919 (GRCm39) I171T probably damaging Het
Vmn2r101 T C 17: 19,832,296 (GRCm39) L764S probably damaging Het
Vmn2r84 T C 10: 130,226,731 (GRCm39) H369R possibly damaging Het
Other mutations in Ctbs
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01618:Ctbs APN 3 146,160,867 (GRCm39) missense probably benign 0.02
R0133:Ctbs UTSW 3 146,163,223 (GRCm39) missense probably benign 0.01
R0845:Ctbs UTSW 3 146,160,862 (GRCm39) missense probably damaging 1.00
R1512:Ctbs UTSW 3 146,160,720 (GRCm39) missense probably benign 0.00
R1523:Ctbs UTSW 3 146,160,735 (GRCm39) missense probably benign 0.01
R4194:Ctbs UTSW 3 146,156,368 (GRCm39) missense probably benign 0.00
R6739:Ctbs UTSW 3 146,165,254 (GRCm39) splice site probably null
R7021:Ctbs UTSW 3 146,160,703 (GRCm39) missense probably damaging 1.00
R7361:Ctbs UTSW 3 146,164,509 (GRCm39) missense probably damaging 1.00
R7446:Ctbs UTSW 3 146,164,573 (GRCm39) missense probably damaging 1.00
R8515:Ctbs UTSW 3 146,164,568 (GRCm39) nonsense probably null
R8766:Ctbs UTSW 3 146,165,588 (GRCm39) missense possibly damaging 0.90
R8915:Ctbs UTSW 3 146,169,724 (GRCm39) missense probably benign 0.00
R9280:Ctbs UTSW 3 146,160,142 (GRCm39) missense probably damaging 1.00
R9787:Ctbs UTSW 3 146,160,109 (GRCm39) missense probably damaging 0.97
R9801:Ctbs UTSW 3 146,169,679 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TCCAGTTATAGACACAGGCCAG -3'
(R):5'- CACCTTAGTGCCTGAGGTTTTG -3'

Sequencing Primer
(F):5'- GTTATAGACACAGGCCAGTCCAATG -3'
(R):5'- GGCTGCAATACATTCTGAC -3'
Posted On 2018-06-22