Incidental Mutation 'R5633:Dhcr7'
ID 439980
Institutional Source Beutler Lab
Gene Symbol Dhcr7
Ensembl Gene ENSMUSG00000058454
Gene Name 7-dehydrocholesterol reductase
Synonyms
MMRRC Submission 043284-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5633 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 143376882-143402147 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 143401160 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 441 (L441P)
Ref Sequence ENSEMBL: ENSMUSP00000121782 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073878] [ENSMUST00000124340] [ENSMUST00000141916] [ENSMUST00000143338] [ENSMUST00000144034] [ENSMUST00000207143] [ENSMUST00000145471]
AlphaFold O88455
Predicted Effect probably damaging
Transcript: ENSMUST00000073878
AA Change: L441P

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000073541
Gene: ENSMUSG00000058454
AA Change: L441P

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000124340
AA Change: L441P

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000117659
Gene: ENSMUSG00000058454
AA Change: L441P

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: L441P

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000121782
Gene: ENSMUSG00000058454
AA Change: L441P

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000143338
SMART Domains Protein: ENSMUSP00000119984
Gene: ENSMUSG00000058454

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 benign
Transcript: ENSMUST00000144034
SMART Domains Protein: ENSMUSP00000118957
Gene: ENSMUSG00000058454

DomainStartEndE-ValueType
transmembrane domain 33 55 N/A INTRINSIC
Pfam:ERG4_ERG24 75 225 1.3e-35 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000207143
AA Change: L444P

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
Predicted Effect probably benign
Transcript: ENSMUST00000145471
Meta Mutation Damage Score 0.9199 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 96.0%
Validation Efficiency 98% (55/56)
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl4 T A 4: 144,344,598 (GRCm39) C125S probably benign Het
Abcb8 T C 5: 24,608,107 (GRCm39) L382P probably damaging Het
Acot3 A G 12: 84,105,724 (GRCm39) probably null Het
Acsl6 A T 11: 54,228,015 (GRCm39) Q345L probably benign Het
Adcy8 A G 15: 64,571,134 (GRCm39) S1170P probably damaging Het
Ankrd28 T G 14: 31,457,022 (GRCm39) D182A probably damaging Het
B3galt5 A T 16: 96,116,709 (GRCm39) H114L probably benign Het
Bcas2 T A 3: 103,085,740 (GRCm39) Y207* probably null Het
Best1 A G 19: 9,969,467 (GRCm39) L197P probably benign Het
Chil6 C A 3: 106,296,068 (GRCm39) C389F probably damaging Het
Chrna4 T C 2: 180,671,253 (GRCm39) T168A probably damaging Het
Ckmt1 C G 2: 121,194,110 (GRCm39) probably benign Het
Dmtn T C 14: 70,842,419 (GRCm39) M365V probably benign Het
Dmxl1 T A 18: 50,010,764 (GRCm39) S974T probably damaging Het
Dnajb13 T C 7: 100,156,626 (GRCm39) D150G probably benign Het
Eef2k C A 7: 120,472,513 (GRCm39) probably benign Het
Elp2 T A 18: 24,748,267 (GRCm39) V213E probably damaging Het
Fbxo43 A T 15: 36,162,241 (GRCm39) probably null Het
Gm11559 C A 11: 99,755,412 (GRCm39) C20* probably null Het
Gnb2 T C 5: 137,527,454 (GRCm39) I213V probably benign Het
Gnb5 C T 9: 75,251,796 (GRCm39) T306I probably damaging Het
Ica1 A T 6: 8,667,257 (GRCm39) I303N possibly damaging Het
Idh1 A G 1: 65,204,295 (GRCm39) Y272H probably damaging Het
Ikzf2 G A 1: 69,578,256 (GRCm39) Q273* probably null Het
Itpkb A T 1: 180,154,790 (GRCm39) ⇒1 probably benign Het
Kntc1 C T 5: 123,957,120 (GRCm39) T2143I probably damaging Het
Lin9 T A 1: 180,496,763 (GRCm39) L351I probably benign Het
Lmbrd1 C A 1: 24,787,943 (GRCm39) D464E possibly damaging Het
Med13 A G 11: 86,169,757 (GRCm39) probably benign Het
Mn1 T C 5: 111,568,192 (GRCm39) F721L possibly damaging Het
Myo9a T A 9: 59,775,467 (GRCm39) L1026Q possibly damaging Het
Or6c204 A T 10: 129,022,718 (GRCm39) F191I probably benign Het
P4htm A C 9: 108,456,922 (GRCm39) D428E probably damaging Het
Parp8 C T 13: 117,013,116 (GRCm39) R602H probably damaging Het
Pkd2 T A 5: 104,646,372 (GRCm39) S726R probably damaging Het
Pla2g6 A T 15: 79,183,342 (GRCm39) I495N possibly damaging Het
Psmd5 A G 2: 34,746,500 (GRCm39) I359T probably benign Het
Rassf6 T C 5: 90,751,977 (GRCm39) H292R possibly damaging Het
Rnf145 T C 11: 44,450,915 (GRCm39) I413T probably damaging Het
Rpn2 T A 2: 157,125,516 (GRCm39) V9D possibly damaging Het
Rpp30 T C 19: 36,064,390 (GRCm39) L57P probably damaging Het
Slc41a1 A G 1: 131,774,325 (GRCm39) H464R possibly damaging Het
Slc47a1 G T 11: 61,260,087 (GRCm39) P163Q probably damaging Het
Smc4 T A 3: 68,915,443 (GRCm39) I165K probably damaging Het
Stra6l T A 4: 45,881,455 (GRCm39) I439K probably benign Het
Syt9 C T 7: 107,024,503 (GRCm39) T132I probably damaging Het
Timd6 C T 11: 46,465,433 (GRCm39) S9L unknown Het
Trpm2 T C 10: 77,774,187 (GRCm39) I471V possibly damaging Het
Uap1l1 A G 2: 25,253,361 (GRCm39) M358T probably benign Het
Vmn1r91 A T 7: 19,835,870 (GRCm39) H263L possibly damaging Het
Zfp407 T C 18: 84,579,169 (GRCm39) D648G probably benign Het
Zpbp2 T C 11: 98,445,584 (GRCm39) I150T probably damaging 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
IGL02332:Dhcr7 APN 7 143,396,865 (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
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
Predicted Primers PCR Primer
(F):5'- GAGTGCTCCTACACATCAGC -3'
(R):5'- TCCAGATGAGCAAACTGAGG -3'

Sequencing Primer
(F):5'- CTGATGGGCTGAAGCACCAC -3'
(R):5'- ACTGAGGAGGCAGTTTGC -3'
Posted On 2016-11-08