Incidental Mutation 'R6289:Ddx23'
ID 508321
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
MMRRC Submission 044459-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6289 (G1)
Quality Score 225.009
Status Validated
Chromosome 15
Chromosomal Location 98543015-98560775 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 98547765 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 463 (E463G)
Ref Sequence ENSEMBL: ENSMUSP00000003450 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000003450]
AlphaFold D3Z0M9
Predicted Effect probably benign
Transcript: ENSMUST00000003450
AA Change: E463G

PolyPhen 2 Score 0.046 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000003450
Gene: ENSMUSG00000003360
AA Change: E463G

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
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.5%
  • 20x: 95.8%
Validation Efficiency 100% (41/41)
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: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam21 A G 12: 81,607,480 (GRCm39) V94A probably damaging Het
Ankrd36 T C 11: 5,578,837 (GRCm39) S34P probably damaging Het
Arid3c G A 4: 41,724,285 (GRCm39) probably benign Het
Atg16l1 C T 1: 87,683,937 (GRCm39) R6C probably damaging Het
Bex6 A G 16: 32,005,530 (GRCm39) I113V probably benign Het
Blk T C 14: 63,613,341 (GRCm39) probably null Het
C1s1 A G 6: 124,508,135 (GRCm39) F618S probably damaging Het
Casp8ap2 C T 4: 32,639,590 (GRCm39) H215Y probably damaging Het
Casp9 T A 4: 141,534,496 (GRCm39) V302E probably damaging Het
Ccl2 A C 11: 81,927,795 (GRCm39) K80Q probably benign Het
Cit T G 5: 116,144,385 (GRCm39) *2014E probably null Het
Dclk2 A T 3: 86,739,124 (GRCm39) S292T probably benign Het
Dennd1b T C 1: 139,096,683 (GRCm39) probably benign Het
Eml2 G A 7: 18,935,088 (GRCm39) V432I probably damaging Het
Fgf10 C A 13: 118,852,028 (GRCm39) Q37K probably benign Het
Fgf22 A G 10: 79,591,041 (GRCm39) D24G probably damaging Het
Gabra1 A G 11: 42,045,846 (GRCm39) I88T probably damaging Het
Grip2 A G 6: 91,755,852 (GRCm39) I586T probably benign Het
H1f5 G T 13: 21,964,609 (GRCm39) P39Q probably damaging Het
Hpse2 T A 19: 42,777,418 (GRCm39) N583Y probably null Het
Katnal2 A G 18: 77,105,151 (GRCm39) probably null Het
Keg1 T G 19: 12,691,937 (GRCm39) C85G probably damaging Het
Kidins220 T A 12: 25,106,615 (GRCm39) L1356H probably damaging Het
Lifr A G 15: 7,196,391 (GRCm39) K192E probably benign Het
Mks1 T C 11: 87,750,485 (GRCm39) probably null Het
Or5b110-ps1 T C 19: 13,260,158 (GRCm39) K88R possibly damaging Het
Rars1 C T 11: 35,716,894 (GRCm39) M207I probably damaging Het
Rbm6 T C 9: 107,655,147 (GRCm39) Y896C probably damaging Het
Scarf1 T A 11: 75,416,242 (GRCm39) W472R possibly damaging Het
Septin8 A G 11: 53,425,305 (GRCm39) N66S probably damaging Het
Smcr8 T C 11: 60,669,424 (GRCm39) F191L probably damaging Het
Tdrd6 A G 17: 43,935,411 (GRCm39) M1879T probably benign Het
Tlr3 C T 8: 45,849,966 (GRCm39) R901Q probably benign Het
Trpc4ap T C 2: 155,505,627 (GRCm39) T203A possibly damaging Het
Tubgcp5 A G 7: 55,445,671 (GRCm39) S58G probably benign Het
Ubtd2 A G 11: 32,466,177 (GRCm39) E132G probably damaging Het
Uggt2 T A 14: 119,279,014 (GRCm39) E831V probably damaging Het
Umodl1 A G 17: 31,201,325 (GRCm39) N418S probably benign Het
Vmn2r106 C T 17: 20,488,725 (GRCm39) C558Y probably damaging Het
Wdhd1 A C 14: 47,495,953 (GRCm39) I637S possibly 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
R5895:Ddx23 UTSW 15 98,549,832 (GRCm39) missense probably benign 0.00
R5952:Ddx23 UTSW 15 98,556,121 (GRCm39) missense unknown
R6012:Ddx23 UTSW 15 98,548,651 (GRCm39) missense possibly damaging 0.48
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'- CACATGGCTGTTGTGATGCC -3'
(R):5'- AGAGAACCTTATATGCCCTGGG -3'

Sequencing Primer
(F):5'- GAGCTCATTTGAGAAACTAACCTC -3'
(R):5'- GAGAACCTTATATGCCCTGGGTTATC -3'
Posted On 2018-03-15