Incidental Mutation 'R5895:Ddx23'
ID 457475
Institutional Source Beutler Lab
Gene Symbol Ddx23
Ensembl Gene ENSMUSG00000003360
Gene Name DEAD box helicase 23
Synonyms 4921506D17Rik, DEAD (Asp-Glu-Ala-Asp) box polypeptide 23, 3110082M05Rik
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5895 (G1)
Quality Score 225
Status Validated
Chromosome 15
Chromosomal Location 98543015-98560775 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 98549832 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 195 (K195E)
Ref Sequence ENSEMBL: ENSMUSP00000003450 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000003450] [ENSMUST00000162384]
AlphaFold D3Z0M9
Predicted Effect probably benign
Transcript: ENSMUST00000003450
AA Change: K195E

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000003450
Gene: ENSMUSG00000003360
AA Change: K195E

DomainStartEndE-ValueType
coiled coil region 63 93 N/A INTRINSIC
low complexity region 110 130 N/A INTRINSIC
low complexity region 143 159 N/A INTRINSIC
coiled coil region 161 200 N/A INTRINSIC
low complexity region 210 223 N/A INTRINSIC
coiled coil region 320 352 N/A INTRINSIC
DEXDc 409 641 2.95e-65 SMART
HELICc 677 758 2.43e-34 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159423
Predicted Effect noncoding transcript
Transcript: ENSMUST00000160506
Predicted Effect noncoding transcript
Transcript: ENSMUST00000161030
Predicted Effect probably benign
Transcript: ENSMUST00000162384
SMART Domains Protein: ENSMUSP00000125168
Gene: ENSMUSG00000003360

DomainStartEndE-ValueType
low complexity region 18 80 N/A INTRINSIC
Meta Mutation Damage Score 0.0587 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.4%
  • 10x: 97.3%
  • 20x: 91.7%
Validation Efficiency 98% (64/65)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the DEAD box protein family. DEAD box proteins, characterized by the conserved motif Asp-Glu-Ala-Asp (DEAD), are putative RNA helicases. They are implicated in a number of cellular processes involving alteration of RNA secondary structure, such as translation initiation, nuclear and mitochondrial splicing, and ribosome and spliceosome assembly. Based on their distribution patterns, some members of this family are believed to be involved in embryogenesis, spermatogenesis, and cellular growth and division. The protein encoded by this gene is a component of the U5 snRNP complex; it may facilitate conformational changes in the spliceosome during nuclear pre-mRNA splicing. An alternatively spliced transcript variant has been found for this gene, but its biological validity has not been determined. [provided by RefSeq, Jul 2008]
Allele List at MGI
Other mutations in this stock
Total: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb1a G A 5: 8,752,216 (GRCm39) G426S probably damaging Het
Casp4 A T 9: 5,328,573 (GRCm39) probably benign Het
Ccdc40 T A 11: 119,144,229 (GRCm39) F988Y probably damaging Het
Ccdc9b T C 2: 118,590,098 (GRCm39) T249A probably benign Het
Chd5 T A 4: 152,464,389 (GRCm39) V1516E probably benign Het
Chrnd T A 1: 87,123,389 (GRCm39) probably null Het
Col5a3 C A 9: 20,683,738 (GRCm39) G1506V unknown Het
Csgalnact2 A T 6: 118,106,215 (GRCm39) C34* probably null Het
Dhps T G 8: 85,800,880 (GRCm39) S240A probably benign Het
Dnah5 T A 15: 28,234,599 (GRCm39) probably null Het
Dock10 T C 1: 80,514,676 (GRCm39) T1414A probably benign Het
Dock4 A G 12: 40,805,812 (GRCm39) D928G probably damaging Het
Dolpp1 T C 2: 30,285,658 (GRCm39) probably benign Het
Dse T A 10: 34,028,601 (GRCm39) I830F probably damaging Het
Elmod1 C T 9: 53,843,091 (GRCm39) R29Q probably damaging Het
Ephx4 T A 5: 107,577,518 (GRCm39) probably null Het
Evi5 A T 5: 107,968,302 (GRCm39) M215K probably damaging Het
Fbxl4 T C 4: 22,390,678 (GRCm39) L287P probably damaging Het
Gbp9 G A 5: 105,230,724 (GRCm39) S400L probably damaging Het
Gm6291 T C 18: 6,371,365 (GRCm39) noncoding transcript Het
Gmcl1 A T 6: 86,688,596 (GRCm39) D301E probably benign Het
Gna14 C T 19: 16,580,692 (GRCm39) R177C possibly damaging Het
Golph3 C T 15: 12,339,756 (GRCm39) R90C probably damaging Het
Gpr142 T A 11: 114,689,785 (GRCm39) C12* probably null Het
Hat1 T A 2: 71,239,357 (GRCm39) N43K possibly damaging Het
Hivep1 A T 13: 42,310,694 (GRCm39) E978V possibly damaging Het
Hormad1 G A 3: 95,467,044 (GRCm39) probably null Het
Kalrn C T 16: 33,795,805 (GRCm39) probably benign Het
Mars1 T C 10: 127,132,418 (GRCm39) T860A probably benign Het
Mdn1 A T 4: 32,695,400 (GRCm39) L1146F probably damaging Het
Met A G 6: 17,531,581 (GRCm39) T620A probably benign Het
Mppe1 T C 18: 67,358,834 (GRCm39) E378G probably benign Het
Mybpc3 T A 2: 90,955,010 (GRCm39) V481D probably damaging Het
Myh14 A T 7: 44,256,133 (GRCm39) L1924Q probably damaging Het
Mylip G T 13: 45,562,178 (GRCm39) E327* probably null Het
Naip1 C T 13: 100,559,636 (GRCm39) G1123R probably benign Het
Naip6 A G 13: 100,452,500 (GRCm39) V187A possibly damaging Het
Ncam1 T A 9: 49,418,343 (GRCm39) T986S probably benign Het
Or13p4 T C 4: 118,547,314 (GRCm39) I112V probably damaging Het
Or4x13 T C 2: 90,231,800 (GRCm39) I265T probably benign Het
Phactr2 C T 10: 13,121,261 (GRCm39) G480S probably damaging Het
Por A G 5: 135,744,838 (GRCm39) I34V probably benign Het
Ppp2r5b C T 19: 6,284,764 (GRCm39) R33H probably damaging Het
Prkdc C A 16: 15,570,693 (GRCm39) Y2325* probably null Het
Prx A G 7: 27,214,709 (GRCm39) E73G probably damaging Het
Rbms2 C A 10: 127,981,556 (GRCm39) A126S possibly damaging Het
Rhoq C T 17: 87,302,117 (GRCm39) A111V probably damaging Het
Rpl14 T A 9: 120,403,240 (GRCm39) probably benign Het
Serbp1 A G 6: 67,249,870 (GRCm39) *75W probably null Het
Sptbn1 C A 11: 30,073,978 (GRCm39) V1351F probably damaging Het
Supt16 A G 14: 52,401,979 (GRCm39) V897A probably benign Het
Tfdp1 T A 8: 13,407,038 (GRCm39) probably null Het
Ttn T A 2: 76,780,487 (GRCm39) Y1088F probably damaging Het
Vmn2r105 G T 17: 20,448,929 (GRCm39) Q83K probably benign Het
Wdr76 A T 2: 121,359,323 (GRCm39) S221C probably damaging Het
Zfhx2 G T 14: 55,303,348 (GRCm39) F1545L probably benign Het
Zfp318 A G 17: 46,709,959 (GRCm39) I561V probably damaging Het
Other mutations in Ddx23
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01106:Ddx23 APN 15 98,548,821 (GRCm39) missense probably benign 0.02
IGL02320:Ddx23 APN 15 98,548,819 (GRCm39) missense possibly damaging 0.68
IGL02325:Ddx23 APN 15 98,545,074 (GRCm39) missense possibly damaging 0.80
IGL02456:Ddx23 APN 15 98,545,430 (GRCm39) missense probably damaging 1.00
IGL02514:Ddx23 APN 15 98,556,199 (GRCm39) missense unknown
IGL03173:Ddx23 APN 15 98,548,885 (GRCm39) missense probably benign 0.31
BB007:Ddx23 UTSW 15 98,546,504 (GRCm39) missense probably damaging 1.00
BB017:Ddx23 UTSW 15 98,546,504 (GRCm39) missense probably damaging 1.00
R0077:Ddx23 UTSW 15 98,554,481 (GRCm39) critical splice donor site probably null
R1930:Ddx23 UTSW 15 98,548,599 (GRCm39) missense possibly damaging 0.93
R1931:Ddx23 UTSW 15 98,548,599 (GRCm39) missense possibly damaging 0.93
R1932:Ddx23 UTSW 15 98,548,599 (GRCm39) missense possibly damaging 0.93
R3546:Ddx23 UTSW 15 98,548,613 (GRCm39) missense probably damaging 0.99
R4174:Ddx23 UTSW 15 98,556,132 (GRCm39) missense unknown
R4574:Ddx23 UTSW 15 98,545,505 (GRCm39) missense probably damaging 1.00
R4728:Ddx23 UTSW 15 98,548,106 (GRCm39) missense probably damaging 1.00
R4774:Ddx23 UTSW 15 98,545,116 (GRCm39) missense probably benign 0.00
R4811:Ddx23 UTSW 15 98,545,352 (GRCm39) splice site probably null
R5134:Ddx23 UTSW 15 98,548,651 (GRCm39) missense possibly damaging 0.48
R5952:Ddx23 UTSW 15 98,556,121 (GRCm39) missense unknown
R6012:Ddx23 UTSW 15 98,548,651 (GRCm39) missense possibly damaging 0.48
R6289:Ddx23 UTSW 15 98,547,765 (GRCm39) missense probably benign 0.05
R6705:Ddx23 UTSW 15 98,550,849 (GRCm39) nonsense probably null
R7289:Ddx23 UTSW 15 98,546,492 (GRCm39) missense probably damaging 0.98
R7484:Ddx23 UTSW 15 98,546,570 (GRCm39) missense probably damaging 0.99
R7543:Ddx23 UTSW 15 98,556,139 (GRCm39) missense unknown
R7740:Ddx23 UTSW 15 98,556,315 (GRCm39) start codon destroyed probably null
R7930:Ddx23 UTSW 15 98,546,504 (GRCm39) missense probably damaging 1.00
R8084:Ddx23 UTSW 15 98,556,145 (GRCm39) missense unknown
R9558:Ddx23 UTSW 15 98,545,433 (GRCm39) missense possibly damaging 0.49
Z1088:Ddx23 UTSW 15 98,545,502 (GRCm39) missense probably benign 0.14
Predicted Primers PCR Primer
(F):5'- GACCTTTCACCATTCCAAAGTC -3'
(R):5'- AGTCCATGCCAGAGTCCTAG -3'

Sequencing Primer
(F):5'- GTCTGGAACAAAAAGTCTCCATCTTC -3'
(R):5'- CAGAGTCCTAGGCCTCTATGTAG -3'
Posted On 2017-02-15