Incidental Mutation 'IGL02332:Dhcr7'
ID 288737
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Dhcr7
Ensembl Gene ENSMUSG00000058454
Gene Name 7-dehydrocholesterol reductase
Synonyms
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL02332
Quality Score
Status
Chromosome 7
Chromosomal Location 143376882-143402147 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 143396865 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Isoleucine at position 119 (N119I)
Ref Sequence ENSEMBL: ENSMUSP00000118957 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073878] [ENSMUST00000124340] [ENSMUST00000141916] [ENSMUST00000143338] [ENSMUST00000144034] [ENSMUST00000145471] [ENSMUST00000207143]
AlphaFold O88455
Predicted Effect probably damaging
Transcript: ENSMUST00000073878
AA Change: N210I

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000073541
Gene: ENSMUSG00000058454
AA Change: N210I

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000124340
AA Change: N210I

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000117659
Gene: ENSMUSG00000058454
AA Change: N210I

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000128610
Predicted Effect probably damaging
Transcript: ENSMUST00000141916
AA Change: N210I

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000121782
Gene: ENSMUSG00000058454
AA Change: N210I

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000143338
AA Change: N210I

PolyPhen 2 Score 0.982 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000119984
Gene: ENSMUSG00000058454
AA Change: N210I

DomainStartEndE-ValueType
transmembrane domain 33 55 N/A INTRINSIC
transmembrane domain 147 169 N/A INTRINSIC
transmembrane domain 174 196 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000144034
AA Change: N119I

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000118957
Gene: ENSMUSG00000058454
AA Change: N119I

DomainStartEndE-ValueType
transmembrane domain 33 55 N/A INTRINSIC
Pfam:ERG4_ERG24 75 225 1.3e-35 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000145471
AA Change: Q14H
Predicted Effect probably damaging
Transcript: ENSMUST00000207143
AA Change: N213I

PolyPhen 2 Score 0.984 (Sensitivity: 0.74; Specificity: 0.96)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000208631
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an enzyme that removes the C(7-8) double bond in the B ring of sterols and catalyzes the conversion of 7-dehydrocholesterol to cholesterol. This gene is ubiquitously expressed and its transmembrane protein localizes to the endoplasmic reticulum membrane and nuclear outer membrane. Mutations in this gene cause Smith-Lemli-Opitz syndrome (SLOS); a syndrome that is metabolically characterized by reduced serum cholesterol levels and elevated serum 7-dehydrocholesterol levels and phenotypically characterized by mental retardation, facial dysmorphism, syndactyly of second and third toes, and holoprosencephaly in severe cases to minimal physical abnormalities and near-normal intelligence in mild cases. Alternative splicing results in multiple transcript variants that encode the same protein.[provided by RefSeq, Aug 2009]
PHENOTYPE: Mice homozygous for disruptions in this gene die within one day of birth due to respiratory and suckling problems. They exhibit abnormal cholesterol homeostasis with reduced tissue cholesterol levels and total sterol levels, enlarged bladders and sometimes cleft palate. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700018B24Rik A G 3: 48,563,323 (GRCm39) noncoding transcript Het
Abca13 A T 11: 9,241,482 (GRCm39) Y1115F probably damaging Het
Adam29 T A 8: 56,324,775 (GRCm39) I560F probably damaging Het
Bivm T C 1: 44,167,880 (GRCm39) probably benign Het
Brinp1 C A 4: 68,823,121 (GRCm39) R24L probably benign Het
Cnga1 A G 5: 72,761,829 (GRCm39) Y562H probably damaging Het
Cr2 C A 1: 194,842,630 (GRCm39) Q256H probably benign Het
Dio1 A T 4: 107,150,978 (GRCm39) Y169N probably damaging Het
Dmbt1 C T 7: 130,668,343 (GRCm39) probably benign Het
Eogt T G 6: 97,102,566 (GRCm39) H249P probably damaging Het
Ermard A C 17: 15,210,807 (GRCm39) probably null Het
Exoc4 T C 6: 33,226,175 (GRCm39) probably null Het
Fxr2 G T 11: 69,540,664 (GRCm39) probably null Het
Glyr1 G T 16: 4,836,817 (GRCm39) T443N probably damaging Het
Gm14137 T G 2: 119,005,807 (GRCm39) L122R probably damaging Het
Gm4845 C A 1: 141,184,335 (GRCm39) noncoding transcript Het
Gm8258 A G 5: 104,923,768 (GRCm39) noncoding transcript Het
Gmps G A 3: 63,897,990 (GRCm39) R258H probably benign Het
Itga6 T G 2: 71,668,717 (GRCm39) L552R possibly damaging Het
Itgam T A 7: 127,684,846 (GRCm39) probably null Het
Itgb5 G T 16: 33,740,500 (GRCm39) E224* probably null Het
Itih4 C A 14: 30,609,817 (GRCm39) A49D probably damaging Het
Itpr2 A T 6: 146,328,040 (GRCm39) N64K probably damaging Het
Moap1 T C 12: 102,709,066 (GRCm39) Y161C probably benign Het
Mst1r G T 9: 107,785,025 (GRCm39) G228* probably null Het
Myo1g T C 11: 6,470,766 (GRCm39) D30G possibly damaging Het
Ndn T A 7: 61,998,573 (GRCm39) C140S probably damaging Het
Nek5 G T 8: 22,585,277 (GRCm39) Q367K probably benign Het
Nrdc A T 4: 108,858,185 (GRCm39) R52S probably damaging Het
Nup133 A T 8: 124,634,571 (GRCm39) L1007Q probably damaging Het
Or51k2 T C 7: 103,596,127 (GRCm39) M118T probably damaging Het
Or5be3 T C 2: 86,864,556 (GRCm39) D3G probably benign Het
Or5d47 A T 2: 87,804,409 (GRCm39) L200Q probably damaging Het
P2rx2 T C 5: 110,489,671 (GRCm39) S116G probably benign Het
Pcdhb13 G A 18: 37,576,635 (GRCm39) V338M probably benign Het
Pdcl2 A T 5: 76,466,982 (GRCm39) Y70* probably null Het
Ppm1e T C 11: 87,122,568 (GRCm39) H463R probably benign Het
Ppm1f T A 16: 16,731,951 (GRCm39) C134S possibly damaging Het
Ppp2r3d A G 9: 101,057,602 (GRCm39) F180L possibly damaging Het
Pxn A G 5: 115,682,985 (GRCm39) S96G probably benign Het
Rasa4 G T 5: 136,124,453 (GRCm39) Q167H probably benign Het
Rfx8 T C 1: 39,757,640 (GRCm39) I43V possibly damaging Het
Sez6 C T 11: 77,845,568 (GRCm39) probably benign Het
Slc39a6 A T 18: 24,722,880 (GRCm39) D473E probably benign Het
Spocd1 A G 4: 129,842,885 (GRCm39) D68G probably damaging Het
Syt13 T C 2: 92,771,149 (GRCm39) F79L probably benign Het
Tas2r103 A T 6: 133,013,475 (GRCm39) M197K probably benign Het
Tbrg4 A G 11: 6,568,492 (GRCm39) V429A probably damaging Het
Tuft1 A C 3: 94,523,075 (GRCm39) probably null Het
Uqcrc1 A G 9: 108,776,937 (GRCm39) T80A probably damaging Het
Vps18 A G 2: 119,124,291 (GRCm39) N406S probably benign Het
Xrn2 T A 2: 146,868,510 (GRCm39) W188R probably damaging Het
Zzef1 T G 11: 72,807,335 (GRCm39) S2738A probably benign Het
Other mutations in Dhcr7
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00505:Dhcr7 APN 7 143,400,805 (GRCm39) missense probably damaging 0.99
IGL01398:Dhcr7 APN 7 143,395,056 (GRCm39) missense probably damaging 0.99
IGL01668:Dhcr7 APN 7 143,397,048 (GRCm39) missense probably damaging 1.00
IGL01822:Dhcr7 APN 7 143,399,236 (GRCm39) missense probably damaging 1.00
IGL03136:Dhcr7 APN 7 143,401,103 (GRCm39) missense probably damaging 1.00
IGL03334:Dhcr7 APN 7 143,394,234 (GRCm39) missense possibly damaging 0.80
R0350:Dhcr7 UTSW 7 143,391,507 (GRCm39) missense probably damaging 1.00
R0433:Dhcr7 UTSW 7 143,394,200 (GRCm39) missense possibly damaging 0.92
R0834:Dhcr7 UTSW 7 143,394,964 (GRCm39) missense probably benign 0.19
R1473:Dhcr7 UTSW 7 143,400,805 (GRCm39) missense probably damaging 0.99
R1473:Dhcr7 UTSW 7 143,395,105 (GRCm39) missense probably damaging 1.00
R1769:Dhcr7 UTSW 7 143,401,250 (GRCm39) missense probably damaging 1.00
R1773:Dhcr7 UTSW 7 143,401,195 (GRCm39) missense possibly damaging 0.87
R1997:Dhcr7 UTSW 7 143,401,167 (GRCm39) missense probably damaging 0.99
R2302:Dhcr7 UTSW 7 143,391,629 (GRCm39) missense probably benign 0.00
R4177:Dhcr7 UTSW 7 143,394,910 (GRCm39) missense probably damaging 1.00
R4275:Dhcr7 UTSW 7 143,396,964 (GRCm39) missense probably damaging 1.00
R4829:Dhcr7 UTSW 7 143,391,654 (GRCm39) missense probably damaging 1.00
R4860:Dhcr7 UTSW 7 143,394,237 (GRCm39) missense probably benign 0.05
R4860:Dhcr7 UTSW 7 143,394,237 (GRCm39) missense probably benign 0.05
R4944:Dhcr7 UTSW 7 143,391,528 (GRCm39) missense probably damaging 0.96
R5000:Dhcr7 UTSW 7 143,395,060 (GRCm39) missense possibly damaging 0.94
R5454:Dhcr7 UTSW 7 143,391,576 (GRCm39) missense probably damaging 1.00
R5633:Dhcr7 UTSW 7 143,401,160 (GRCm39) missense probably damaging 0.99
R6337:Dhcr7 UTSW 7 143,390,468 (GRCm39) critical splice donor site probably null
R6683:Dhcr7 UTSW 7 143,397,048 (GRCm39) missense probably damaging 0.99
R7175:Dhcr7 UTSW 7 143,399,227 (GRCm39) missense probably damaging 1.00
R7785:Dhcr7 UTSW 7 143,399,209 (GRCm39) missense probably damaging 1.00
R8947:Dhcr7 UTSW 7 143,400,959 (GRCm39) missense probably damaging 1.00
R9006:Dhcr7 UTSW 7 143,394,978 (GRCm39) missense probably benign
R9052:Dhcr7 UTSW 7 143,395,060 (GRCm39) missense possibly damaging 0.79
R9629:Dhcr7 UTSW 7 143,401,212 (GRCm39) nonsense probably null
Posted On 2015-04-16