Incidental Mutation 'R3414:Ddx18'
ID 266709
Institutional Source Beutler Lab
Gene Symbol Ddx18
Ensembl Gene ENSMUSG00000001674
Gene Name DEAD box helicase 18
Synonyms 2310005B10Rik, DEAD (Asp-Glu-Ala-Asp) box polypeptide 18
MMRRC Submission 040632-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.967) question?
Stock # R3414 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 121481564-121495709 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 121489878 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 177 (N177S)
Ref Sequence ENSEMBL: ENSMUSP00000001724 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000001724]
AlphaFold Q8K363
Predicted Effect probably benign
Transcript: ENSMUST00000001724
AA Change: N177S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000001724
Gene: ENSMUSG00000001674
AA Change: N177S

DomainStartEndE-ValueType
coiled coil region 2 32 N/A INTRINSIC
internal_repeat_1 36 75 1.67e-5 PROSPERO
internal_repeat_1 66 105 1.67e-5 PROSPERO
low complexity region 109 117 N/A INTRINSIC
low complexity region 127 142 N/A INTRINSIC
DEXDc 188 393 1.95e-56 SMART
low complexity region 401 417 N/A INTRINSIC
HELICc 429 510 2.84e-26 SMART
DUF4217 550 613 1.65e-26 SMART
low complexity region 620 638 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131471
Predicted Effect probably benign
Transcript: ENSMUST00000134417
SMART Domains Protein: ENSMUSP00000114149
Gene: ENSMUSG00000001674

DomainStartEndE-ValueType
Blast:DEXDc 2 47 2e-22 BLAST
HELICc 65 146 2.84e-26 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000148809
Meta Mutation Damage Score 0.0596 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.1%
Validation Efficiency 98% (42/43)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] 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. This gene encodes a DEAD box protein, and it is activated by Myc protein. [provided by RefSeq, Jul 2008]
Allele List at MGI
Other mutations in this stock
Total: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
3425401B19Rik T A 14: 32,383,559 (GRCm39) Q802L probably benign Het
Atp8b4 C A 2: 126,217,677 (GRCm39) W613L probably damaging Het
AW554918 C A 18: 25,533,129 (GRCm39) T261K possibly damaging Het
Cttnbp2 A G 6: 18,389,204 (GRCm39) V1178A probably benign Het
Dhx29 A G 13: 113,083,807 (GRCm39) K621E probably damaging Het
Eef2 G T 10: 81,013,692 (GRCm39) R66L probably damaging Het
Ergic2 A G 6: 148,108,179 (GRCm39) probably benign Het
Fcna G C 2: 25,517,505 (GRCm39) P49A probably damaging Het
Hace1 T A 10: 45,524,771 (GRCm39) D234E possibly damaging Het
Ifi202b A G 1: 173,791,479 (GRCm39) S400P probably benign Het
Ighv1-23 C T 12: 114,728,087 (GRCm39) V112I probably benign Het
Il4i1 T C 7: 44,486,082 (GRCm39) L22P probably damaging Het
Il7 G T 3: 7,641,093 (GRCm39) Q67K probably benign Het
Inpp5d C A 1: 87,595,779 (GRCm39) T175N possibly damaging Het
Klk1b26 A G 7: 43,666,297 (GRCm39) I247V probably benign Het
Klrc1 A G 6: 129,654,726 (GRCm39) probably null Het
Lama1 T C 17: 68,044,598 (GRCm39) C166R probably damaging Het
Mrps5 A G 2: 127,438,832 (GRCm39) D219G probably benign Het
Mtus1 T C 8: 41,501,100 (GRCm39) T806A probably damaging Het
Naip2 G A 13: 100,325,771 (GRCm39) R46* probably null Het
Nos2 A T 11: 78,848,414 (GRCm39) Y1107F probably benign Het
Nsd3 T C 8: 26,190,047 (GRCm39) I135T probably damaging Het
Or13c7b C T 4: 43,821,258 (GRCm39) M34I probably benign Het
Or2d4 G T 7: 106,543,383 (GRCm39) S275* probably null Het
Or6c65 A G 10: 129,604,301 (GRCm39) H312R probably benign Het
Pla2g4f T C 2: 120,133,587 (GRCm39) S579G probably benign Het
Ppip5k1 A T 2: 121,158,142 (GRCm39) S252R probably damaging Het
Proc T A 18: 32,256,738 (GRCm39) T310S probably benign Het
Psg21 A T 7: 18,386,305 (GRCm39) L227Q probably damaging Het
Rusc2 T G 4: 43,415,935 (GRCm39) S414A probably damaging Het
Sec24a T A 11: 51,620,285 (GRCm39) N456Y probably damaging Het
Slc1a7 A G 4: 107,868,191 (GRCm39) E497G probably benign Het
Spag8 T A 4: 43,651,606 (GRCm39) S423C probably damaging Het
Spata13 A G 14: 60,944,172 (GRCm39) T522A probably benign Het
Top1mt T C 15: 75,529,025 (GRCm39) N573S probably benign Het
Trim69 T C 2: 122,009,125 (GRCm39) V395A probably benign Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Tusc1 C A 4: 93,223,173 (GRCm39) R162L probably damaging Het
Unc13b T A 4: 43,234,658 (GRCm39) probably benign Het
Utp25 A C 1: 192,810,810 (GRCm39) S64R possibly damaging Het
Vmn1r2 T A 4: 3,172,696 (GRCm39) M205K probably damaging Het
Zfhx4 A G 3: 5,468,883 (GRCm39) K3014E probably damaging Het
Other mutations in Ddx18
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01531:Ddx18 APN 1 121,492,315 (GRCm39) missense probably benign 0.00
IGL01999:Ddx18 APN 1 121,489,457 (GRCm39) missense probably benign 0.19
IGL03056:Ddx18 APN 1 121,492,264 (GRCm39) missense probably benign 0.00
IGL03388:Ddx18 APN 1 121,493,652 (GRCm39) missense possibly damaging 0.86
R0550:Ddx18 UTSW 1 121,483,104 (GRCm39) missense probably benign 0.40
R1883:Ddx18 UTSW 1 121,495,645 (GRCm39) start gained probably benign
R1940:Ddx18 UTSW 1 121,482,953 (GRCm39) missense probably damaging 1.00
R2169:Ddx18 UTSW 1 121,486,138 (GRCm39) critical splice donor site probably null
R3113:Ddx18 UTSW 1 121,493,877 (GRCm39) missense possibly damaging 0.65
R3763:Ddx18 UTSW 1 121,489,106 (GRCm39) missense probably damaging 0.99
R4011:Ddx18 UTSW 1 121,489,810 (GRCm39) missense probably benign 0.01
R4293:Ddx18 UTSW 1 121,489,121 (GRCm39) missense probably benign 0.10
R4333:Ddx18 UTSW 1 121,492,331 (GRCm39) missense probably benign 0.01
R4964:Ddx18 UTSW 1 121,493,823 (GRCm39) missense probably benign 0.00
R5160:Ddx18 UTSW 1 121,493,608 (GRCm39) critical splice donor site probably null
R5187:Ddx18 UTSW 1 121,489,857 (GRCm39) missense probably damaging 0.98
R5259:Ddx18 UTSW 1 121,495,518 (GRCm39) critical splice donor site probably null
R5656:Ddx18 UTSW 1 121,489,087 (GRCm39) missense probably damaging 1.00
R7949:Ddx18 UTSW 1 121,483,047 (GRCm39) missense probably damaging 1.00
R8291:Ddx18 UTSW 1 121,487,904 (GRCm39) missense probably damaging 0.99
R8318:Ddx18 UTSW 1 121,493,816 (GRCm39) missense probably benign 0.13
R9053:Ddx18 UTSW 1 121,489,135 (GRCm39) missense probably damaging 1.00
R9114:Ddx18 UTSW 1 121,489,267 (GRCm39) missense probably damaging 1.00
R9621:Ddx18 UTSW 1 121,489,132 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTCCTAGCTCACAAAGACGG -3'
(R):5'- CAGAGCTCTTGTAAGGAGTTGG -3'

Sequencing Primer
(F):5'- AGTCTTCAGTATAGCCAAACAGG -3'
(R):5'- GGTGGATTCAGGCAGCCATG -3'
Posted On 2015-02-18