Incidental Mutation 'R4728:Ddhd2'
ID 358609
Institutional Source Beutler Lab
Gene Symbol Ddhd2
Ensembl Gene ENSMUSG00000061313
Gene Name DDHD domain containing 2
Synonyms SAMWD1, 2010305K11Rik
MMRRC Submission 042020-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.165) question?
Stock # R4728 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 26215351-26244502 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 26242294 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 194 (V194I)
Ref Sequence ENSEMBL: ENSMUSP00000147859 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033975] [ENSMUST00000211009] [ENSMUST00000211688] [ENSMUST00000211751]
AlphaFold Q80Y98
Predicted Effect possibly damaging
Transcript: ENSMUST00000033975
AA Change: V82I

PolyPhen 2 Score 0.950 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000033975
Gene: ENSMUSG00000061313
AA Change: V82I

DomainStartEndE-ValueType
low complexity region 12 25 N/A INTRINSIC
Pfam:WWE 40 112 7.5e-9 PFAM
Blast:DDHD 285 357 6e-28 BLAST
SAM 382 447 1.13e-11 SMART
DDHD 484 688 6.63e-75 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000167899
SMART Domains Protein: ENSMUSP00000130277
Gene: ENSMUSG00000091514

DomainStartEndE-ValueType
low complexity region 86 99 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000209419
Predicted Effect probably benign
Transcript: ENSMUST00000210888
Predicted Effect possibly damaging
Transcript: ENSMUST00000211009
AA Change: V82I

PolyPhen 2 Score 0.622 (Sensitivity: 0.87; Specificity: 0.91)
Predicted Effect probably damaging
Transcript: ENSMUST00000211688
AA Change: V194I

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
Predicted Effect probably benign
Transcript: ENSMUST00000211751
Meta Mutation Damage Score 0.0845 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 94.3%
Validation Efficiency 94% (73/78)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a phospholipase enzyme containing sterile-alpha-motif (SAM), WWE, and DDHD domains. This protein participates in membrane trafficking between the endoplastic reticulum and the Golgi body. Mutations in this gene can cause autosomal recessive spastic paraplegia 54. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2013]
PHENOTYPE: Mice homozygous for a null mutation display impaired balance and coordination, impaired spatial learning and memory and triglyceride accumulation in neurons in the brain and spinal cord. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Bicc1 C T 10: 70,771,661 (GRCm39) probably null Het
Bpifc T A 10: 85,827,063 (GRCm39) H162L possibly damaging Het
Ccdc163 C T 4: 116,566,209 (GRCm39) probably benign Het
Cldn12 A G 5: 5,558,385 (GRCm39) F14S probably damaging Het
Cyth4 G A 15: 78,486,913 (GRCm39) G14R probably benign Het
Ddx23 A T 15: 98,548,106 (GRCm39) V433E probably damaging Het
Defb34 A G 8: 19,176,434 (GRCm39) N42D possibly damaging Het
Dennd6a A G 14: 26,348,575 (GRCm39) E313G probably null Het
Dhx30 A G 9: 109,916,718 (GRCm39) F570S probably damaging Het
Dnah3 T C 7: 119,658,589 (GRCm39) E864G probably damaging Het
Eps8 G A 6: 137,486,160 (GRCm39) Q451* probably null Het
Fmo9 A T 1: 166,490,880 (GRCm39) Y533N possibly damaging Het
Fut8 T A 12: 77,521,973 (GRCm39) D537E probably damaging Het
Gm5407 T C 16: 49,117,283 (GRCm39) noncoding transcript Het
Gm9916 A G 3: 118,228,690 (GRCm39) noncoding transcript Het
Grm5 T A 7: 87,624,496 (GRCm39) F354L probably damaging Het
Hira C T 16: 18,741,654 (GRCm39) A353V probably damaging Het
Ifna4 C A 4: 88,760,519 (GRCm39) T141K probably benign Het
Igf1r T C 7: 67,839,372 (GRCm39) L628P probably damaging Het
Kcnh5 A T 12: 75,054,555 (GRCm39) I463N probably damaging Het
Kcnh8 C A 17: 53,032,898 (GRCm39) Q62K probably damaging Het
Kif3c A T 12: 3,415,873 (GRCm39) probably benign Het
Kmo A G 1: 175,484,329 (GRCm39) D353G possibly damaging Het
Lrp1 T C 10: 127,399,606 (GRCm39) T2301A probably damaging Het
Lrrc7 GAAGTTGTTTGGAGATTCTTATCTTA GA 3: 158,024,045 (GRCm39) probably benign Het
Map3k9 C T 12: 81,769,147 (GRCm39) R967Q probably damaging Het
Mcm8 A G 2: 132,674,774 (GRCm39) H414R probably damaging Het
Mier1 A G 4: 102,997,402 (GRCm39) E145G probably damaging Het
Mlc1 A T 15: 88,862,234 (GRCm39) probably null Het
Napb T C 2: 148,551,245 (GRCm39) D96G probably damaging Het
Nbas T A 12: 13,338,740 (GRCm39) S193R probably damaging Het
Nlrp4a T C 7: 26,174,515 (GRCm39) V967A probably benign Het
Nlrp4e T A 7: 23,020,989 (GRCm39) I492K probably benign Het
Notch4 A G 17: 34,789,179 (GRCm39) T497A probably benign Het
Npdc1 G A 2: 25,298,957 (GRCm39) D284N probably damaging Het
Ogdh T A 11: 6,292,549 (GRCm39) Y417N probably damaging Het
Or5w19 T C 2: 87,698,779 (GRCm39) V148A probably benign Het
Ovol1 A T 19: 5,603,690 (GRCm39) Y70* probably null Het
P2ry1 A G 3: 60,911,641 (GRCm39) Y260C probably damaging Het
Pcx G T 19: 4,653,124 (GRCm39) R263L probably damaging Het
Pla2g4f T A 2: 120,131,402 (GRCm39) T774S probably benign Het
Prdm15 T G 16: 97,622,986 (GRCm39) K289Q probably benign Het
Prl7c1 A T 13: 27,960,268 (GRCm39) H91Q probably benign Het
Prmt5 C T 14: 54,745,364 (GRCm39) R601H probably benign Het
Prrc2b T A 2: 32,120,637 (GRCm39) D2192E probably damaging Het
Ptdss2 A G 7: 140,734,372 (GRCm39) I299V probably benign Het
Rbm28 A G 6: 29,143,591 (GRCm39) V354A probably damaging Het
Rps6kb1 G C 11: 86,435,484 (GRCm39) probably null Het
Sema3f A G 9: 107,582,639 (GRCm39) S35P probably benign Het
Serpina3n A T 12: 104,375,422 (GRCm39) T165S probably benign Het
Serpinb13 C T 1: 106,910,574 (GRCm39) S66L probably damaging Het
Sh2d4b T A 14: 40,564,389 (GRCm39) R267* probably null Het
Slc5a12 A T 2: 110,474,769 (GRCm39) K554* probably null Het
Snrnp200 T C 2: 127,059,334 (GRCm39) L409P probably damaging Het
Snrnp200 T A 2: 127,069,798 (GRCm39) V981E possibly damaging Het
Spon2 T A 5: 33,374,682 (GRCm39) R41S probably benign Het
Sptb A T 12: 76,630,153 (GRCm39) M2279K probably benign Het
Srcap T G 7: 127,140,096 (GRCm39) probably null Het
Tctn3 A G 19: 40,594,186 (GRCm39) V409A probably damaging Het
Tg A C 15: 66,554,676 (GRCm39) Q697P probably damaging Het
Tmem181a A G 17: 6,340,874 (GRCm39) D141G probably benign Het
Tmem82 A G 4: 141,341,963 (GRCm39) S334P probably benign Het
Ubr4 A G 4: 139,151,190 (GRCm39) Y1875C probably damaging Het
Vmn1r63 C A 7: 5,806,362 (GRCm39) R90L probably damaging Het
Zfp330 A C 8: 83,497,475 (GRCm39) Y56D probably damaging Het
Other mutations in Ddhd2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01501:Ddhd2 APN 8 26,225,857 (GRCm39) missense probably damaging 1.00
IGL01629:Ddhd2 APN 8 26,225,855 (GRCm39) missense possibly damaging 0.91
IGL01656:Ddhd2 APN 8 26,217,739 (GRCm39) missense probably benign 0.34
IGL01723:Ddhd2 APN 8 26,225,038 (GRCm39) nonsense probably null
IGL01820:Ddhd2 APN 8 26,239,781 (GRCm39) missense possibly damaging 0.87
IGL01901:Ddhd2 APN 8 26,238,621 (GRCm39) missense probably damaging 0.96
IGL02619:Ddhd2 APN 8 26,236,981 (GRCm39) critical splice acceptor site probably null
PIT4362001:Ddhd2 UTSW 8 26,225,779 (GRCm39) missense probably damaging 1.00
R0240:Ddhd2 UTSW 8 26,229,617 (GRCm39) splice site probably null
R0240:Ddhd2 UTSW 8 26,229,617 (GRCm39) splice site probably null
R0408:Ddhd2 UTSW 8 26,229,614 (GRCm39) critical splice acceptor site probably null
R0732:Ddhd2 UTSW 8 26,231,348 (GRCm39) missense probably damaging 1.00
R1483:Ddhd2 UTSW 8 26,243,155 (GRCm39) missense probably benign 0.01
R1597:Ddhd2 UTSW 8 26,239,768 (GRCm39) missense probably benign 0.09
R1881:Ddhd2 UTSW 8 26,217,727 (GRCm39) missense probably damaging 0.99
R1927:Ddhd2 UTSW 8 26,231,688 (GRCm39) missense possibly damaging 0.92
R2044:Ddhd2 UTSW 8 26,242,192 (GRCm39) missense probably damaging 1.00
R4494:Ddhd2 UTSW 8 26,228,261 (GRCm39) missense probably benign 0.01
R5044:Ddhd2 UTSW 8 26,242,164 (GRCm39) missense probably damaging 1.00
R5138:Ddhd2 UTSW 8 26,217,726 (GRCm39) missense probably damaging 1.00
R5529:Ddhd2 UTSW 8 26,229,587 (GRCm39) missense probably benign 0.00
R5761:Ddhd2 UTSW 8 26,231,726 (GRCm39) missense probably benign 0.19
R5799:Ddhd2 UTSW 8 26,238,629 (GRCm39) missense probably damaging 1.00
R5934:Ddhd2 UTSW 8 26,243,140 (GRCm39) missense probably damaging 1.00
R5965:Ddhd2 UTSW 8 26,225,804 (GRCm39) missense probably damaging 1.00
R5988:Ddhd2 UTSW 8 26,238,589 (GRCm39) missense probably damaging 1.00
R6260:Ddhd2 UTSW 8 26,242,144 (GRCm39) missense probably benign 0.00
R6791:Ddhd2 UTSW 8 26,242,242 (GRCm39) missense probably benign 0.04
R7386:Ddhd2 UTSW 8 26,244,318 (GRCm39) missense possibly damaging 0.53
R7470:Ddhd2 UTSW 8 26,225,087 (GRCm39) missense probably benign 0.06
R7911:Ddhd2 UTSW 8 26,238,563 (GRCm39) critical splice donor site probably null
R8153:Ddhd2 UTSW 8 26,240,816 (GRCm39) missense probably benign 0.16
R8385:Ddhd2 UTSW 8 26,225,041 (GRCm39) missense probably damaging 0.99
R9190:Ddhd2 UTSW 8 26,244,495 (GRCm39) missense probably benign 0.18
R9381:Ddhd2 UTSW 8 26,239,849 (GRCm39) missense probably benign 0.17
R9497:Ddhd2 UTSW 8 26,217,731 (GRCm39) missense possibly damaging 0.92
Z1176:Ddhd2 UTSW 8 26,225,856 (GRCm39) missense possibly damaging 0.61
Z1177:Ddhd2 UTSW 8 26,244,413 (GRCm39) missense unknown
Z1177:Ddhd2 UTSW 8 26,244,402 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- CACGGTCTGTTAGAATTGGGAC -3'
(R):5'- AGAGGCATTATTGTCTTAGAAGAGG -3'

Sequencing Primer
(F):5'- CCGGACGCAGAGGAATACC -3'
(R):5'- TCTTAGAAGAGGAAAAATGTTCAGC -3'
Posted On 2015-11-11