Incidental Mutation 'R7517:Ddx21'
ID 582529
Institutional Source Beutler Lab
Gene Symbol Ddx21
Ensembl Gene ENSMUSG00000020075
Gene Name DExD box helicase 21
Synonyms RH II/Gu, D10Wsu42e, RH-II/Gualpha, DEAD (Asp-Glu-Ala-Asp) box polypeptide 21, D10Ertd645e
MMRRC Submission 045590-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7517 (G1)
Quality Score 225.009
Status Validated
Chromosome 10
Chromosomal Location 62416030-62438060 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 62424569 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Leucine at position 544 (P544L)
Ref Sequence ENSEMBL: ENSMUSP00000042691 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000045866]
AlphaFold Q9JIK5
PDB Structure Gu_alpha_helicase [X-RAY DIFFRACTION]
Predicted Effect probably damaging
Transcript: ENSMUST00000045866
AA Change: P544L

PolyPhen 2 Score 0.980 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000042691
Gene: ENSMUSG00000020075
AA Change: P544L

DomainStartEndE-ValueType
low complexity region 24 45 N/A INTRINSIC
low complexity region 87 98 N/A INTRINSIC
low complexity region 107 139 N/A INTRINSIC
internal_repeat_1 140 160 2.96e-8 PROSPERO
low complexity region 162 171 N/A INTRINSIC
low complexity region 199 208 N/A INTRINSIC
internal_repeat_1 214 234 2.96e-8 PROSPERO
DEXDc 277 484 2.76e-56 SMART
HELICc 524 604 1.55e-27 SMART
low complexity region 682 688 N/A INTRINSIC
Pfam:GUCT 692 787 1.6e-33 PFAM
low complexity region 827 843 N/A INTRINSIC
Meta Mutation Damage Score 0.2362 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.8%
Validation Efficiency 100% (46/46)
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, which is an antigen recognized by autoimmune antibodies from a patient with watermelon stomach disease. This protein unwinds double-stranded RNA, folds single-stranded RNA, and may play important roles in ribosomal RNA biogenesis, RNA editing, RNA transport, and general transcription. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for an ENU-induced allele exhibit embryonic lethality. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 46 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ankrd28 A T 14: 31,437,331 (GRCm39) V578E possibly damaging Het
Arhgap35 A T 7: 16,296,132 (GRCm39) C978S probably benign Het
Asph A T 4: 9,517,697 (GRCm39) V475E probably damaging Het
Atf7ip2 T A 16: 10,059,399 (GRCm39) probably null Het
Bace1 A T 9: 45,771,559 (GRCm39) D491V probably benign Het
Birc2 A G 9: 7,819,424 (GRCm39) I496T probably benign Het
Cacna2d4 C T 6: 119,248,882 (GRCm39) R448C probably benign Het
Ccdc181 T C 1: 164,107,989 (GRCm39) F224S probably damaging Het
Cdan1 C T 2: 120,558,405 (GRCm39) R469Q probably damaging Het
Epas1 C A 17: 87,138,526 (GRCm39) T874N possibly damaging Het
Fam13b A T 18: 34,627,660 (GRCm39) D180E probably damaging Het
Fcgbp G A 7: 27,784,794 (GRCm39) V285M probably damaging Het
Gcn1 T G 5: 115,757,755 (GRCm39) L2487V probably benign Het
Gm19410 C T 8: 36,240,772 (GRCm39) A216V possibly damaging Het
Gm4871 G T 5: 144,969,430 (GRCm39) R30S probably damaging Het
Gtf2ird1 T C 5: 134,391,379 (GRCm39) D899G probably benign Het
Hipk3 T C 2: 104,265,059 (GRCm39) T674A probably benign Het
Hnrnph3 A G 10: 62,854,674 (GRCm39) L39S unknown Het
Ift122 T C 6: 115,867,543 (GRCm39) V431A probably benign Het
Il36b A G 2: 24,049,890 (GRCm39) H167R probably benign Het
Lce3e T A 3: 92,875,142 (GRCm39) C33S unknown Het
Lrrc26 T C 2: 25,180,545 (GRCm39) I182T probably benign Het
Magi1 T C 6: 93,685,189 (GRCm39) R730G probably damaging Het
Meis3 G T 7: 15,911,743 (GRCm39) V102F probably damaging Het
Mpp7 G A 18: 7,440,183 (GRCm39) Q263* probably null Het
Myo7b A T 18: 32,146,320 (GRCm39) I155N probably damaging Het
Nrip1 A T 16: 76,088,072 (GRCm39) *1162K probably null Het
Or3a1b T A 11: 74,012,335 (GRCm39) D73E probably damaging Het
Or4k50-ps1 T C 2: 111,522,444 (GRCm39) F194L unknown Het
Or8i2 A C 2: 86,852,486 (GRCm39) V134G probably benign Het
Pdik1l T A 4: 134,005,736 (GRCm39) E326V possibly damaging Het
Phrf1 T C 7: 140,836,523 (GRCm39) M265T unknown Het
Piezo2 A T 18: 63,215,996 (GRCm39) N1222K possibly damaging Het
Pkd1 G A 17: 24,799,393 (GRCm39) V2871M probably damaging Het
Pon2 T G 6: 5,268,997 (GRCm39) N226H possibly damaging Het
Rftn2 G T 1: 55,234,708 (GRCm39) D338E probably damaging Het
Rnf123 A T 9: 107,947,473 (GRCm39) Y171* probably null Het
Ror2 A T 13: 53,264,901 (GRCm39) N730K possibly damaging Het
Serpinb6c T A 13: 34,079,278 (GRCm39) N138I probably damaging Het
Smco1 A T 16: 32,092,785 (GRCm39) H152L possibly damaging Het
Tgm3 T G 2: 129,883,684 (GRCm39) S447R probably benign Het
Topbp1 A G 9: 103,209,932 (GRCm39) K860E possibly damaging Het
Uba7 C A 9: 107,853,897 (GRCm39) probably benign Het
Ucp3 A G 7: 100,131,089 (GRCm39) N181D probably damaging Het
Unc13b C A 4: 43,215,765 (GRCm39) S21R probably benign Het
Usp34 T A 11: 23,396,968 (GRCm39) S2395R Het
Other mutations in Ddx21
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00709:Ddx21 APN 10 62,434,181 (GRCm39) nonsense probably null
IGL01144:Ddx21 APN 10 62,434,329 (GRCm39) missense unknown
IGL01655:Ddx21 APN 10 62,423,270 (GRCm39) missense probably damaging 0.98
IGL01694:Ddx21 APN 10 62,434,430 (GRCm39) nonsense probably null
IGL01752:Ddx21 APN 10 62,423,286 (GRCm39) missense probably damaging 1.00
IGL02827:Ddx21 APN 10 62,434,153 (GRCm39) missense probably benign 0.04
IGL03140:Ddx21 APN 10 62,429,850 (GRCm39) missense probably damaging 1.00
IGL03248:Ddx21 APN 10 62,427,769 (GRCm39) missense possibly damaging 0.87
R0131:Ddx21 UTSW 10 62,420,531 (GRCm39) missense possibly damaging 0.96
R0555:Ddx21 UTSW 10 62,423,307 (GRCm39) missense probably damaging 1.00
R1437:Ddx21 UTSW 10 62,434,369 (GRCm39) missense unknown
R1780:Ddx21 UTSW 10 62,429,926 (GRCm39) splice site probably benign
R1875:Ddx21 UTSW 10 62,429,847 (GRCm39) missense probably damaging 1.00
R2696:Ddx21 UTSW 10 62,429,871 (GRCm39) missense possibly damaging 0.93
R4639:Ddx21 UTSW 10 62,427,616 (GRCm39) nonsense probably null
R4678:Ddx21 UTSW 10 62,429,782 (GRCm39) missense probably benign 0.06
R4767:Ddx21 UTSW 10 62,427,751 (GRCm39) missense probably damaging 1.00
R4799:Ddx21 UTSW 10 62,423,900 (GRCm39) missense probably damaging 0.98
R5145:Ddx21 UTSW 10 62,423,318 (GRCm39) critical splice acceptor site probably null
R5243:Ddx21 UTSW 10 62,437,992 (GRCm39) start codon destroyed probably null 0.02
R6085:Ddx21 UTSW 10 62,429,866 (GRCm39) missense probably damaging 1.00
R6701:Ddx21 UTSW 10 62,426,470 (GRCm39) missense probably damaging 1.00
R7134:Ddx21 UTSW 10 62,427,634 (GRCm39) missense possibly damaging 0.95
R7555:Ddx21 UTSW 10 62,434,022 (GRCm39) missense probably benign 0.03
R7577:Ddx21 UTSW 10 62,426,449 (GRCm39) missense probably benign 0.19
R7704:Ddx21 UTSW 10 62,429,865 (GRCm39) missense probably damaging 1.00
R8902:Ddx21 UTSW 10 62,434,486 (GRCm39) missense probably benign 0.01
R9126:Ddx21 UTSW 10 62,424,479 (GRCm39) missense probably damaging 1.00
R9344:Ddx21 UTSW 10 62,428,825 (GRCm39) missense possibly damaging 0.66
R9412:Ddx21 UTSW 10 62,429,881 (GRCm39) missense possibly damaging 0.94
R9480:Ddx21 UTSW 10 62,434,652 (GRCm39) missense probably benign
Z1177:Ddx21 UTSW 10 62,423,317 (GRCm39) critical splice acceptor site probably null
Predicted Primers PCR Primer
(F):5'- GCCTGAAAACTGCATAAAAGTCAG -3'
(R):5'- GTGCAAGAAGACATCTGCTCTTC -3'

Sequencing Primer
(F):5'- GTCAGTGAAAGGACTTTTAGTAACAC -3'
(R):5'- AGAGGTCTTGAGTTCCCTGCAAC -3'
Posted On 2019-10-17