Incidental Mutation 'R0105:Fam20b'
ID 17777
Institutional Source Beutler Lab
Gene Symbol Fam20b
Ensembl Gene ENSMUSG00000033557
Gene Name FAM20B, glycosaminoglycan xylosylkinase
Synonyms C530043G21Rik
MMRRC Submission 038391-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0105 (G1)
Quality Score
Status Validated
Chromosome 1
Chromosomal Location 156506102-156546656 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 156518140 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 218 (E218G)
Ref Sequence ENSEMBL: ENSMUSP00000112534 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000086153] [ENSMUST00000122424]
AlphaFold Q8VCS3
Predicted Effect probably damaging
Transcript: ENSMUST00000086153
AA Change: E218G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000083322
Gene: ENSMUSG00000033557
AA Change: E218G

DomainStartEndE-ValueType
transmembrane domain 7 25 N/A INTRINSIC
Pfam:Fam20C 188 399 3.1e-89 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000122424
AA Change: E218G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000112534
Gene: ENSMUSG00000033557
AA Change: E218G

DomainStartEndE-ValueType
transmembrane domain 7 25 N/A INTRINSIC
Pfam:DUF1193 187 402 2e-95 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000190878
Meta Mutation Damage Score 0.9274 question?
Coding Region Coverage
  • 1x: 85.3%
  • 3x: 77.7%
  • 10x: 47.9%
  • 20x: 15.1%
Validation Efficiency 96% (53/55)
MGI Phenotype PHENOTYPE: Mice homozygous for a gene trapped allele exhibit complete embryonic lethality associated with decreased embryo size, multisystem organ hypoplasia, and delayed skeleton, digestive system, eye, liver, and lung development. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A530053G22Rik T C 6: 60,379,137 (GRCm39) noncoding transcript Het
Adcy9 A G 16: 4,106,252 (GRCm39) V954A probably damaging Het
Aldh8a1 T A 10: 21,271,438 (GRCm39) M388K probably damaging Het
Cdsn A C 17: 35,867,035 (GRCm39) R521S possibly damaging Het
Cog3 A G 14: 75,959,580 (GRCm39) S591P probably damaging Het
Cplane1 T A 15: 8,216,876 (GRCm39) V698D probably benign Het
Crmp1 T A 5: 37,441,479 (GRCm39) D520E probably damaging Het
Ddhd1 T C 14: 45,848,147 (GRCm39) D507G probably benign Het
Dnah6 C T 6: 73,132,262 (GRCm39) A1147T probably damaging Het
Dsg2 T C 18: 20,735,111 (GRCm39) S1030P probably benign Het
Gab2 T C 7: 96,948,279 (GRCm39) Y290H probably damaging Het
Gm973 A G 1: 59,621,633 (GRCm39) Q591R probably null Het
Gsdmc2 T C 15: 63,700,026 (GRCm39) T249A probably benign Het
Il15ra T A 2: 11,735,459 (GRCm39) probably null Het
Isy1 G A 6: 87,796,167 (GRCm39) R257W probably damaging Het
Krt76 T C 15: 101,793,347 (GRCm39) T564A unknown Het
Lrrk1 G T 7: 65,942,089 (GRCm39) D716E probably damaging Het
Mogat1 A G 1: 78,500,307 (GRCm39) T124A probably benign Het
Mroh7 T C 4: 106,568,467 (GRCm39) T48A possibly damaging Het
Or4a71 T C 2: 89,358,707 (GRCm39) T16A probably benign Het
Pkhd1 G A 1: 20,593,956 (GRCm39) Q1386* probably null Het
Pla2r1 T C 2: 60,345,325 (GRCm39) R344G possibly damaging Het
Plekhg4 G A 8: 106,108,644 (GRCm39) V1202M possibly damaging Het
Ppil4 A G 10: 7,674,210 (GRCm39) Y118C probably damaging Het
Ptpn4 C T 1: 119,615,335 (GRCm39) probably null Het
Reln G A 5: 22,253,813 (GRCm39) R600W probably damaging Het
Sumf2 T A 5: 129,878,735 (GRCm39) probably benign Het
Tex10 C A 4: 48,468,957 (GRCm39) V73F probably damaging Het
Tgm5 C A 2: 120,907,493 (GRCm39) G77W probably damaging Het
Tnfrsf21 T A 17: 43,351,082 (GRCm39) probably null Het
Treml2 C T 17: 48,609,856 (GRCm39) T96I probably damaging Het
Zcchc17 T A 4: 130,243,099 (GRCm39) D28V probably benign Het
Zkscan6 T A 11: 65,712,811 (GRCm39) L248Q probably damaging Het
Other mutations in Fam20b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01611:Fam20b APN 1 156,530,035 (GRCm39) missense probably benign 0.13
Cancelled UTSW 1 156,533,407 (GRCm39) missense probably damaging 1.00
consequences UTSW 1 156,518,123 (GRCm39) missense probably damaging 1.00
delisted UTSW 1 156,518,215 (GRCm39) missense probably benign 0.18
Head_over_heels UTSW 1 156,518,140 (GRCm39) missense probably damaging 1.00
minuscule UTSW 1 156,533,310 (GRCm39) missense probably damaging 1.00
squirt UTSW 1 156,533,299 (GRCm39) missense probably damaging 1.00
R0105:Fam20b UTSW 1 156,518,140 (GRCm39) missense probably damaging 1.00
R0389:Fam20b UTSW 1 156,509,023 (GRCm39) missense probably benign 0.00
R0443:Fam20b UTSW 1 156,509,023 (GRCm39) missense probably benign 0.00
R0518:Fam20b UTSW 1 156,515,026 (GRCm39) missense possibly damaging 0.70
R1466:Fam20b UTSW 1 156,513,758 (GRCm39) splice site probably benign
R1584:Fam20b UTSW 1 156,513,758 (GRCm39) splice site probably benign
R2014:Fam20b UTSW 1 156,533,511 (GRCm39) missense possibly damaging 0.92
R4085:Fam20b UTSW 1 156,533,445 (GRCm39) missense probably benign 0.01
R4755:Fam20b UTSW 1 156,515,066 (GRCm39) nonsense probably null
R5254:Fam20b UTSW 1 156,533,310 (GRCm39) missense probably damaging 1.00
R5471:Fam20b UTSW 1 156,533,299 (GRCm39) missense probably damaging 1.00
R6886:Fam20b UTSW 1 156,518,081 (GRCm39) missense probably damaging 1.00
R6944:Fam20b UTSW 1 156,515,091 (GRCm39) missense probably benign 0.02
R7013:Fam20b UTSW 1 156,518,135 (GRCm39) missense probably damaging 1.00
R7205:Fam20b UTSW 1 156,529,968 (GRCm39) critical splice donor site probably null
R7215:Fam20b UTSW 1 156,518,123 (GRCm39) missense probably damaging 1.00
R7286:Fam20b UTSW 1 156,509,012 (GRCm39) missense probably benign 0.28
R7684:Fam20b UTSW 1 156,518,215 (GRCm39) missense probably benign 0.18
R8036:Fam20b UTSW 1 156,533,407 (GRCm39) missense probably damaging 1.00
R8119:Fam20b UTSW 1 156,518,072 (GRCm39) missense probably damaging 1.00
R9231:Fam20b UTSW 1 156,509,084 (GRCm39) missense probably benign 0.40
R9562:Fam20b UTSW 1 156,530,010 (GRCm39) nonsense probably null
Posted On 2013-01-31