Incidental Mutation 'R5454:Dhcr7'
ID 432671
Institutional Source Beutler Lab
Gene Symbol Dhcr7
Ensembl Gene ENSMUSG00000058454
Gene Name 7-dehydrocholesterol reductase
Synonyms
MMRRC Submission 043018-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5454 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 143376882-143402147 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 143391576 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Arginine at position 55 (M55R)
Ref Sequence ENSEMBL: ENSMUSP00000146636 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073878] [ENSMUST00000124340] [ENSMUST00000125564] [ENSMUST00000128454] [ENSMUST00000141916] [ENSMUST00000143338] [ENSMUST00000144034] [ENSMUST00000207143] [ENSMUST00000145471]
AlphaFold O88455
Predicted Effect probably damaging
Transcript: ENSMUST00000073878
AA Change: M55R

PolyPhen 2 Score 0.976 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000073541
Gene: ENSMUSG00000058454
AA Change: M55R

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000124340
AA Change: M55R

PolyPhen 2 Score 0.976 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000117659
Gene: ENSMUSG00000058454
AA Change: M55R

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000125564
AA Change: M55R

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
Predicted Effect probably benign
Transcript: ENSMUST00000128454
Predicted Effect noncoding transcript
Transcript: ENSMUST00000128610
Predicted Effect probably damaging
Transcript: ENSMUST00000141916
AA Change: M55R

PolyPhen 2 Score 0.976 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000121782
Gene: ENSMUSG00000058454
AA Change: M55R

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000143338
AA Change: M55R

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000119984
Gene: ENSMUSG00000058454
AA Change: M55R

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 unknown
Transcript: ENSMUST00000144034
AA Change: M55R
SMART Domains Protein: ENSMUSP00000118957
Gene: ENSMUSG00000058454
AA Change: M55R

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: M58R

PolyPhen 2 Score 0.976 (Sensitivity: 0.76; Specificity: 0.96)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000208631
Predicted Effect probably benign
Transcript: ENSMUST00000145471
Meta Mutation Damage Score 0.7518 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 100% (60/60)
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: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930579C12Rik T C 9: 89,051,041 (GRCm39) noncoding transcript Het
Ankfy1 A T 11: 72,637,757 (GRCm39) H483L probably benign Het
Ankrd46 C T 15: 36,479,447 (GRCm39) G215R probably damaging Het
Apobec1 T C 6: 122,558,327 (GRCm39) I143V probably benign Het
Atp2b4 C A 1: 133,657,610 (GRCm39) V627F probably damaging Het
Ccdc80 T A 16: 44,947,588 (GRCm39) Y855* probably null Het
Cd209b T C 8: 3,975,396 (GRCm39) E88G probably damaging Het
Ceacam14 T G 7: 17,548,110 (GRCm39) W67G probably damaging Het
Cope T C 8: 70,757,306 (GRCm39) V50A probably benign Het
Dcaf13 C A 15: 38,987,759 (GRCm39) D168E probably benign Het
Enpp7 A T 11: 118,879,634 (GRCm39) Y96F probably benign Het
Esco1 T C 18: 10,584,327 (GRCm39) D60G probably benign Het
Fgfr3 G A 5: 33,880,642 (GRCm39) probably benign Het
Frzb T C 2: 80,248,259 (GRCm39) D280G probably damaging Het
Gcat A G 15: 78,920,610 (GRCm39) I317V probably benign Het
Gm13030 A T 4: 138,600,820 (GRCm39) probably benign Het
Gmds A G 13: 32,312,024 (GRCm39) L135P probably damaging Het
Htra2 G A 6: 83,030,995 (GRCm39) P138L probably damaging Het
Il5 A G 11: 53,614,626 (GRCm39) N89S probably damaging Het
Ints3 G A 3: 90,315,834 (GRCm39) T310M possibly damaging Het
Itih2 T C 2: 10,102,804 (GRCm39) I777V probably null Het
Kctd9 T C 14: 67,977,836 (GRCm39) L382S probably damaging Het
Loricrin A G 3: 91,988,789 (GRCm39) S166P unknown Het
Mga T A 2: 119,733,810 (GRCm39) N219K probably damaging Het
Mtmr4 A T 11: 87,501,868 (GRCm39) R641* probably null Het
Muc6 C T 7: 141,235,078 (GRCm39) A611T possibly damaging Het
Obox3-ps8 A T 17: 36,763,903 (GRCm39) noncoding transcript Het
Or5p54 A T 7: 107,554,096 (GRCm39) M83L probably benign Het
Otud4 C T 8: 80,377,671 (GRCm39) L111F possibly damaging Het
Pcdhga12 T A 18: 37,899,314 (GRCm39) S49T possibly damaging Het
Pcdhgc3 A G 18: 37,941,549 (GRCm39) D650G probably damaging Het
Pcmt1 A G 10: 7,516,509 (GRCm39) V167A probably damaging Het
Pcnt A T 10: 76,225,381 (GRCm39) probably null Het
Pcx G T 19: 4,652,504 (GRCm39) V164F probably damaging Het
Plekhg4 T C 8: 106,102,745 (GRCm39) probably null Het
Pmch A G 10: 87,927,707 (GRCm39) E136G probably damaging Het
Prkar1a A G 11: 109,550,886 (GRCm39) D80G probably benign Het
Ryr3 T C 2: 112,560,647 (GRCm39) probably null Het
Slc10a7 T C 8: 79,413,253 (GRCm39) S171P possibly damaging Het
Sox6 A T 7: 115,301,008 (GRCm39) M153K possibly damaging Het
Srgap2 T C 1: 131,217,475 (GRCm39) I946V probably benign Het
Strbp T C 2: 37,535,495 (GRCm39) E71G probably benign Het
Synpo2l C A 14: 20,712,360 (GRCm39) A87S probably damaging Het
Tnrc18 T C 5: 142,757,446 (GRCm39) D1025G unknown Het
Tnxb A G 17: 34,928,599 (GRCm39) H2671R possibly damaging Het
Tor1b GGACG GG 2: 30,846,957 (GRCm39) probably benign Het
Umodl1 A T 17: 31,205,439 (GRCm39) D649V possibly damaging Het
Usp13 G T 3: 32,959,585 (GRCm39) A559S probably damaging Het
Vps45 G A 3: 95,926,969 (GRCm39) P526L probably benign Het
Zfp687 A G 3: 94,916,457 (GRCm39) V855A probably damaging Het
Zfp771 T A 7: 126,853,448 (GRCm39) C205S 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
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
Predicted Primers PCR Primer
(F):5'- TTCTGTCCAAGGAACAGAAGAG -3'
(R):5'- CTGCACCCTGACTTGAACATC -3'

Sequencing Primer
(F):5'- CAGAAGAGGGTCTCTAAGTCCC -3'
(R):5'- GACTTGAACATCACTCTGGGTCAG -3'
Posted On 2016-10-06