Incidental Mutation 'R3763:Ddx18'
ID 270576
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 040873-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.966) question?
Stock # R3763 (G1)
Quality Score 173
Status Validated
Chromosome 1
Chromosomal Location 121481564-121495709 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 121489106 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 314 (Y314H)
Ref Sequence ENSEMBL: ENSMUSP00000001724 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000001724]
AlphaFold Q8K363
Predicted Effect probably damaging
Transcript: ENSMUST00000001724
AA Change: Y314H

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000001724
Gene: ENSMUSG00000001674
AA Change: Y314H

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 0.3892 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.5%
Validation Efficiency 100% (37/37)
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: 36 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acvr2a A G 2: 48,760,331 (GRCm39) E29G possibly damaging Het
Aff3 A G 1: 38,291,770 (GRCm39) probably benign Het
AW146154 A G 7: 41,129,794 (GRCm39) C441R probably damaging Het
Cacna1a T C 8: 85,310,271 (GRCm39) V1443A possibly damaging Het
Commd1 T A 11: 22,924,102 (GRCm39) F292Y probably benign Het
Ct45a C T X: 55,590,568 (GRCm39) V78I probably benign Het
Dna2 C T 10: 62,802,576 (GRCm39) T898I probably damaging Het
Epc1 C A 18: 6,440,091 (GRCm39) V59L possibly damaging Het
Etv6 C A 6: 134,239,975 (GRCm39) probably benign Het
Fam118a A G 15: 84,937,998 (GRCm39) D293G possibly damaging Het
Gzmn A C 14: 56,404,361 (GRCm39) S159A probably benign Het
Insc A G 7: 114,390,207 (GRCm39) D26G probably damaging Het
L1td1 A G 4: 98,626,072 (GRCm39) R756G probably damaging Het
Ltk A G 2: 119,582,318 (GRCm39) L499P probably benign Het
Mast4 A T 13: 102,923,927 (GRCm39) L291M probably damaging Het
Nefm G T 14: 68,361,797 (GRCm39) R156S probably damaging Het
Nppc T A 1: 86,597,580 (GRCm39) N63Y probably damaging Het
Or5p79 A T 7: 108,221,924 (GRCm39) I302F probably damaging Het
Or6c69 A G 10: 129,747,314 (GRCm39) S278P probably damaging Het
Pcdhb7 T C 18: 37,474,936 (GRCm39) V24A probably benign Het
Pcm1 C A 8: 41,733,114 (GRCm39) Q787K probably damaging Het
Prg3 A G 2: 84,823,334 (GRCm39) K170E possibly damaging Het
Slc25a54 T C 3: 109,019,370 (GRCm39) S325P probably damaging Het
Slc44a1 T C 4: 53,563,286 (GRCm39) V671A probably benign Het
Spock3 T A 8: 63,597,049 (GRCm39) probably null Het
Stk-ps2 G A 1: 46,069,081 (GRCm39) noncoding transcript Het
Svep1 T G 4: 58,084,833 (GRCm39) D1835A possibly damaging Het
Tmcc3 A G 10: 94,415,179 (GRCm39) T294A probably benign Het
Tsen54 A G 11: 115,711,237 (GRCm39) N62S probably benign Het
Ulk1 C T 5: 110,937,223 (GRCm39) R691Q probably benign Het
Vmn2r18 G A 5: 151,508,644 (GRCm39) A160V probably damaging Het
Wnk4 T C 11: 101,160,114 (GRCm39) V661A probably benign Het
Zfhx4 A G 3: 5,468,404 (GRCm39) Y2854C probably damaging Het
Zfp563 G T 17: 33,323,902 (GRCm39) E166* probably null Het
Zfp687 T A 3: 94,919,391 (GRCm39) N127I probably damaging Het
Zfp958 T A 8: 4,676,226 (GRCm39) probably null 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
R3414:Ddx18 UTSW 1 121,489,878 (GRCm39) missense probably benign
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'- ACAGGCCCACATTCCTCATG -3'
(R):5'- CATGCAGACCTTTGGTGTTC -3'

Sequencing Primer
(F):5'- ACATTCCTCATGTGGCCATAG -3'
(R):5'- TTCTCAAGGAGCTGATGACGC -3'
Posted On 2015-03-18